./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outb.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba252160-7148-4344-b70f-533c8b4818a1/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba252160-7148-4344-b70f-533c8b4818a1/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_ba252160-7148-4344-b70f-533c8b4818a1/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba252160-7148-4344-b70f-533c8b4818a1/bin/ukojak-verify-ENZ3QT5qd3/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outb.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba252160-7148-4344-b70f-533c8b4818a1/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba252160-7148-4344-b70f-533c8b4818a1/bin/ukojak-verify-ENZ3QT5qd3 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b9ba053a0d2bb5cff65ef20f502acdb8ce89a9e82653cf0711701cf2b8f86a02 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:56:50,058 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:56:50,150 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba252160-7148-4344-b70f-533c8b4818a1/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2024-11-25 04:56:50,154 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 04:56:50,155 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 04:56:50,192 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:56:50,194 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:56:50,195 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:56:50,195 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:56:50,196 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 04:56:50,196 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 04:56:50,196 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 04:56:50,196 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:56:50,196 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-25 04:56:50,196 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-25 04:56:50,196 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-25 04:56:50,197 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:56:50,197 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 04:56:50,198 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 04:56:50,198 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:56:50,198 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:56:50,199 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:56:50,199 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:56:50,199 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:56:50,199 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:56:50,199 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:56:50,199 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:56:50,199 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:56:50,200 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 04:56:50,200 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 04:56:50,200 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_ba252160-7148-4344-b70f-533c8b4818a1/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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b9ba053a0d2bb5cff65ef20f502acdb8ce89a9e82653cf0711701cf2b8f86a02 [2024-11-25 04:56:50,516 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:56:50,528 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:56:50,532 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:56:50,534 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:56:50,534 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:56:50,536 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba252160-7148-4344-b70f-533c8b4818a1/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outb.i [2024-11-25 04:56:53,593 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba252160-7148-4344-b70f-533c8b4818a1/bin/ukojak-verify-ENZ3QT5qd3/data/592aeaf7a/a1f1435dd7e1452fa08dfcd682fa36fb/FLAGa4deed2fc [2024-11-25 04:56:54,136 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:56:54,136 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba252160-7148-4344-b70f-533c8b4818a1/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outb.i [2024-11-25 04:56:54,170 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba252160-7148-4344-b70f-533c8b4818a1/bin/ukojak-verify-ENZ3QT5qd3/data/592aeaf7a/a1f1435dd7e1452fa08dfcd682fa36fb/FLAGa4deed2fc [2024-11-25 04:56:54,675 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba252160-7148-4344-b70f-533c8b4818a1/bin/ukojak-verify-ENZ3QT5qd3/data/592aeaf7a/a1f1435dd7e1452fa08dfcd682fa36fb [2024-11-25 04:56:54,677 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:56:54,679 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:56:54,680 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:56:54,680 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:56:54,685 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:56:54,685 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:56:54" (1/1) ... [2024-11-25 04:56:54,686 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c9689e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:56:54, skipping insertion in model container [2024-11-25 04:56:54,686 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:56:54" (1/1) ... [2024-11-25 04:56:54,750 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:56:56,137 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:56:56,217 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:56:56,518 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:56:56,784 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:56:56,785 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:56:56 WrapperNode [2024-11-25 04:56:56,785 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:56:56,786 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:56:56,786 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:56:56,786 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:56:56,795 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:56:56" (1/1) ... [2024-11-25 04:56:56,888 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:56:56" (1/1) ... [2024-11-25 04:56:57,144 INFO L138 Inliner]: procedures = 473, calls = 2667, calls flagged for inlining = 202, calls inlined = 324, statements flattened = 4655 [2024-11-25 04:56:57,144 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:56:57,145 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:56:57,145 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:56:57,145 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:56:57,154 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:56:56" (1/1) ... [2024-11-25 04:56:57,155 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:56:56" (1/1) ... [2024-11-25 04:56:57,181 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:56:56" (1/1) ... [2024-11-25 04:56:57,181 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:56:56" (1/1) ... [2024-11-25 04:56:57,321 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:56:56" (1/1) ... [2024-11-25 04:56:57,332 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:56:56" (1/1) ... [2024-11-25 04:56:57,362 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:56:56" (1/1) ... [2024-11-25 04:56:57,377 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:56:56" (1/1) ... [2024-11-25 04:56:57,390 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:56:56" (1/1) ... [2024-11-25 04:56:57,411 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:56:57,412 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:56:57,412 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:56:57,412 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:56:57,413 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:56:56" (1/1) ... [2024-11-25 04:56:57,418 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:56:57,431 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba252160-7148-4344-b70f-533c8b4818a1/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:56:57,446 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba252160-7148-4344-b70f-533c8b4818a1/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:56:57,451 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba252160-7148-4344-b70f-533c8b4818a1/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:56:57,482 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-25 04:56:57,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-25 04:56:57,482 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-25 04:56:57,482 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-25 04:56:57,483 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:56:57,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-25 04:56:57,483 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:56:57,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:56:57,483 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-25 04:56:57,483 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-25 04:56:57,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-25 04:56:57,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-25 04:56:57,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 04:56:57,862 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:56:57,864 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:57:06,789 INFO L? ?]: Removed 1848 outVars from TransFormulas that were not future-live. [2024-11-25 04:57:06,789 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:57:07,946 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 04:57:07,946 INFO L312 CfgBuilder]: Removed 5 assume(true) statements. [2024-11-25 04:57:07,946 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:57:07 BoogieIcfgContainer [2024-11-25 04:57:07,947 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 04:57:07,947 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 04:57:07,947 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 04:57:07,956 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 04:57:07,957 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:57:07" (1/1) ... [2024-11-25 04:57:07,964 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 04:57:08,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:57:08,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 812 states to 700 states and 812 transitions. [2024-11-25 04:57:08,043 INFO L276 IsEmpty]: Start isEmpty. Operand 700 states and 812 transitions. [2024-11-25 04:57:08,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-11-25 04:57:08,045 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:57:08,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:57:11,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:57:13,246 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:57:15,228 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.95s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-25 04:57:15,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:57:15,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 811 states to 699 states and 811 transitions. [2024-11-25 04:57:15,287 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 811 transitions. [2024-11-25 04:57:15,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-11-25 04:57:15,287 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:57:15,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:57:18,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:57:19,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:57:22,050 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.97s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-25 04:57:22,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:57:22,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 810 states to 698 states and 810 transitions. [2024-11-25 04:57:22,213 INFO L276 IsEmpty]: Start isEmpty. Operand 698 states and 810 transitions. [2024-11-25 04:57:22,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-25 04:57:22,213 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:57:22,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:57:24,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:57:25,156 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:57:25,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:57:25,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 809 states to 697 states and 809 transitions. [2024-11-25 04:57:25,207 INFO L276 IsEmpty]: Start isEmpty. Operand 697 states and 809 transitions. [2024-11-25 04:57:25,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-25 04:57:25,207 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:57:25,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:57:28,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:57:29,398 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:57:29,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:57:29,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 808 states to 696 states and 808 transitions. [2024-11-25 04:57:29,547 INFO L276 IsEmpty]: Start isEmpty. Operand 696 states and 808 transitions. [2024-11-25 04:57:29,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-25 04:57:29,548 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:57:29,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:57:31,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:57:32,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:57:34,434 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.88s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-25 04:57:34,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:57:34,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 807 states to 695 states and 807 transitions. [2024-11-25 04:57:34,787 INFO L276 IsEmpty]: Start isEmpty. Operand 695 states and 807 transitions. [2024-11-25 04:57:34,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-25 04:57:34,787 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:57:34,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:57:37,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:57:38,237 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:57:39,934 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-25 04:57:40,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:57:40,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 809 states to 697 states and 809 transitions. [2024-11-25 04:57:40,505 INFO L276 IsEmpty]: Start isEmpty. Operand 697 states and 809 transitions. [2024-11-25 04:57:40,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 04:57:40,505 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:57:40,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:57:42,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:57:43,559 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:57:44,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:57:44,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 815 states to 699 states and 815 transitions. [2024-11-25 04:57:44,280 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 815 transitions. [2024-11-25 04:57:44,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-25 04:57:44,281 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:57:44,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:57:46,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:57:46,892 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:57:47,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:57:47,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 816 states to 700 states and 816 transitions. [2024-11-25 04:57:47,236 INFO L276 IsEmpty]: Start isEmpty. Operand 700 states and 816 transitions. [2024-11-25 04:57:47,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-25 04:57:47,237 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:57:47,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:57:49,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:57:50,213 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:57:50,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:57:50,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 809 states to 697 states and 809 transitions. [2024-11-25 04:57:50,701 INFO L276 IsEmpty]: Start isEmpty. Operand 697 states and 809 transitions. [2024-11-25 04:57:50,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-25 04:57:50,702 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:57:50,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:57:53,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:57:53,439 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-25 04:57:56,492 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.80s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-25 04:57:58,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:57:58,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 814 states to 699 states and 814 transitions. [2024-11-25 04:57:58,295 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 814 transitions. [2024-11-25 04:57:58,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-25 04:57:58,297 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:57:58,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:58:00,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:58:00,756 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:58:01,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:58:01,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 816 states to 701 states and 816 transitions. [2024-11-25 04:58:01,443 INFO L276 IsEmpty]: Start isEmpty. Operand 701 states and 816 transitions. [2024-11-25 04:58:01,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-25 04:58:01,444 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:58:01,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:58:03,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:58:03,951 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:58:04,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:58:04,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 818 states to 703 states and 818 transitions. [2024-11-25 04:58:04,694 INFO L276 IsEmpty]: Start isEmpty. Operand 703 states and 818 transitions. [2024-11-25 04:58:04,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-25 04:58:04,695 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:58:04,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:58:06,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:58:07,624 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-25 04:58:10,286 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-25 04:58:14,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:58:14,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 820 states to 705 states and 820 transitions. [2024-11-25 04:58:14,331 INFO L276 IsEmpty]: Start isEmpty. Operand 705 states and 820 transitions. [2024-11-25 04:58:14,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-25 04:58:14,332 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:58:14,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:58:16,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:58:16,818 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-25 04:58:16,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:58:16,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 819 states to 704 states and 819 transitions. [2024-11-25 04:58:16,939 INFO L276 IsEmpty]: Start isEmpty. Operand 704 states and 819 transitions. [2024-11-25 04:58:16,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-25 04:58:16,940 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:58:16,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:58:19,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:58:19,692 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-25 04:58:20,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:58:20,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 822 states to 705 states and 822 transitions. [2024-11-25 04:58:20,074 INFO L276 IsEmpty]: Start isEmpty. Operand 705 states and 822 transitions. [2024-11-25 04:58:20,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-25 04:58:20,075 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:58:20,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:58:22,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:58:22,588 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-25 04:58:22,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:58:22,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 821 states to 704 states and 821 transitions. [2024-11-25 04:58:22,780 INFO L276 IsEmpty]: Start isEmpty. Operand 704 states and 821 transitions. [2024-11-25 04:58:22,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-25 04:58:22,780 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:58:22,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:58:24,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:58:25,224 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-25 04:58:25,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:58:25,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 822 states to 705 states and 822 transitions. [2024-11-25 04:58:25,768 INFO L276 IsEmpty]: Start isEmpty. Operand 705 states and 822 transitions. [2024-11-25 04:58:25,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-25 04:58:25,770 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:58:25,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:58:27,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:58:28,122 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-25 04:58:28,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:58:28,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 811 states to 699 states and 811 transitions. [2024-11-25 04:58:28,437 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 811 transitions. [2024-11-25 04:58:28,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-25 04:58:28,438 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:58:28,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:58:30,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:58:31,460 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-25 04:58:32,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:58:32,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 812 states to 701 states and 812 transitions. [2024-11-25 04:58:32,681 INFO L276 IsEmpty]: Start isEmpty. Operand 701 states and 812 transitions. [2024-11-25 04:58:32,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-25 04:58:32,681 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:58:32,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:58:34,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:58:35,561 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-25 04:58:36,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:58:36,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 814 states to 703 states and 814 transitions. [2024-11-25 04:58:36,689 INFO L276 IsEmpty]: Start isEmpty. Operand 703 states and 814 transitions. [2024-11-25 04:58:36,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-25 04:58:36,689 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:58:36,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:58:38,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:58:39,569 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-25 04:58:40,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:58:40,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 816 states to 705 states and 816 transitions. [2024-11-25 04:58:40,749 INFO L276 IsEmpty]: Start isEmpty. Operand 705 states and 816 transitions. [2024-11-25 04:58:40,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-25 04:58:40,749 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:58:40,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:58:42,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:58:43,508 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-25 04:58:44,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:58:44,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 818 states to 707 states and 818 transitions. [2024-11-25 04:58:44,698 INFO L276 IsEmpty]: Start isEmpty. Operand 707 states and 818 transitions. [2024-11-25 04:58:44,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-25 04:58:44,699 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:58:44,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:58:46,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:58:47,798 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-25 04:58:49,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:58:49,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 820 states to 709 states and 820 transitions. [2024-11-25 04:58:49,049 INFO L276 IsEmpty]: Start isEmpty. Operand 709 states and 820 transitions. [2024-11-25 04:58:49,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-25 04:58:49,049 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:58:49,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:58:51,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:58:52,054 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-25 04:58:53,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:58:53,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 821 states to 711 states and 821 transitions. [2024-11-25 04:58:53,329 INFO L276 IsEmpty]: Start isEmpty. Operand 711 states and 821 transitions. [2024-11-25 04:58:53,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-25 04:58:53,329 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:58:53,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:58:55,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:58:55,768 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:58:56,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:59:09,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:59:09,803 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-25 04:59:09,808 INFO L158 Benchmark]: Toolchain (without parser) took 135129.13ms. Allocated memory was 117.4MB in the beginning and 796.9MB in the end (delta: 679.5MB). Free memory was 89.7MB in the beginning and 587.2MB in the end (delta: -497.5MB). Peak memory consumption was 561.6MB. Max. memory is 16.1GB. [2024-11-25 04:59:09,808 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 167.8MB. Free memory is still 104.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:59:09,809 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2104.99ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 89.7MB in the beginning and 294.2MB in the end (delta: -204.5MB). Peak memory consumption was 80.1MB. Max. memory is 16.1GB. [2024-11-25 04:59:09,810 INFO L158 Benchmark]: Boogie Procedure Inliner took 358.89ms. Allocated memory is still 352.3MB. Free memory was 293.6MB in the beginning and 261.8MB in the end (delta: 31.8MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-25 04:59:09,810 INFO L158 Benchmark]: Boogie Preprocessor took 265.73ms. Allocated memory is still 352.3MB. Free memory was 261.8MB in the beginning and 238.3MB in the end (delta: 23.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-25 04:59:09,811 INFO L158 Benchmark]: RCFGBuilder took 10535.08ms. Allocated memory was 352.3MB in the beginning and 545.3MB in the end (delta: 192.9MB). Free memory was 238.3MB in the beginning and 409.3MB in the end (delta: -171.1MB). Peak memory consumption was 301.9MB. Max. memory is 16.1GB. [2024-11-25 04:59:09,811 INFO L158 Benchmark]: CodeCheck took 121859.92ms. Allocated memory was 545.3MB in the beginning and 796.9MB in the end (delta: 251.7MB). Free memory was 409.3MB in the beginning and 587.2MB in the end (delta: -177.9MB). Peak memory consumption was 455.3MB. Max. memory is 16.1GB. [2024-11-25 04:59:09,813 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 0.33ms. Allocated memory is still 167.8MB. Free memory is still 104.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2104.99ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 89.7MB in the beginning and 294.2MB in the end (delta: -204.5MB). Peak memory consumption was 80.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 358.89ms. Allocated memory is still 352.3MB. Free memory was 293.6MB in the beginning and 261.8MB in the end (delta: 31.8MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 265.73ms. Allocated memory is still 352.3MB. Free memory was 261.8MB in the beginning and 238.3MB in the end (delta: 23.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * RCFGBuilder took 10535.08ms. Allocated memory was 352.3MB in the beginning and 545.3MB in the end (delta: 192.9MB). Free memory was 238.3MB in the beginning and 409.3MB in the end (delta: -171.1MB). Peak memory consumption was 301.9MB. Max. memory is 16.1GB. * CodeCheck took 121859.92ms. Allocated memory was 545.3MB in the beginning and 796.9MB in the end (delta: 251.7MB). Free memory was 409.3MB in the beginning and 587.2MB in the end (delta: -177.9MB). Peak memory consumption was 455.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-25 04:59:09,851 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba252160-7148-4344-b70f-533c8b4818a1/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_ba252160-7148-4344-b70f-533c8b4818a1/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba252160-7148-4344-b70f-533c8b4818a1/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_ba252160-7148-4344-b70f-533c8b4818a1/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba252160-7148-4344-b70f-533c8b4818a1/bin/ukojak-verify-ENZ3QT5qd3/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outb.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba252160-7148-4344-b70f-533c8b4818a1/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba252160-7148-4344-b70f-533c8b4818a1/bin/ukojak-verify-ENZ3QT5qd3 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b9ba053a0d2bb5cff65ef20f502acdb8ce89a9e82653cf0711701cf2b8f86a02 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:59:12,407 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:59:12,554 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba252160-7148-4344-b70f-533c8b4818a1/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2024-11-25 04:59:12,624 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:59:12,625 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:59:12,626 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:59:12,626 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:59:12,627 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 04:59:12,627 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 04:59:12,627 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 04:59:12,627 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:59:12,628 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-25 04:59:12,629 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-25 04:59:12,629 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-25 04:59:12,629 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:59:12,629 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 04:59:12,629 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 04:59:12,629 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 04:59:12,630 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 04:59:12,630 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 04:59:12,630 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:59:12,630 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:59:12,630 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:59:12,630 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:59:12,630 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:59:12,630 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 04:59:12,630 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 04:59:12,630 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:59:12,630 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:59:12,631 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:59:12,631 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:59:12,631 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 04:59:12,631 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 04:59:12,631 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 04:59:12,631 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_ba252160-7148-4344-b70f-533c8b4818a1/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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b9ba053a0d2bb5cff65ef20f502acdb8ce89a9e82653cf0711701cf2b8f86a02 [2024-11-25 04:59:12,920 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:59:12,935 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:59:12,937 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:59:12,941 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:59:12,941 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:59:12,942 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba252160-7148-4344-b70f-533c8b4818a1/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outb.i [2024-11-25 04:59:15,958 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba252160-7148-4344-b70f-533c8b4818a1/bin/ukojak-verify-ENZ3QT5qd3/data/8bdf9faa5/9ec7a09a06024d33979fa42824d397e5/FLAG91479be12 [2024-11-25 04:59:16,425 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:59:16,426 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba252160-7148-4344-b70f-533c8b4818a1/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outb.i [2024-11-25 04:59:16,465 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba252160-7148-4344-b70f-533c8b4818a1/bin/ukojak-verify-ENZ3QT5qd3/data/8bdf9faa5/9ec7a09a06024d33979fa42824d397e5/FLAG91479be12 [2024-11-25 04:59:16,488 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba252160-7148-4344-b70f-533c8b4818a1/bin/ukojak-verify-ENZ3QT5qd3/data/8bdf9faa5/9ec7a09a06024d33979fa42824d397e5 [2024-11-25 04:59:16,492 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:59:16,494 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:59:16,496 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:59:16,496 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:59:16,501 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:59:16,501 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:59:16" (1/1) ... [2024-11-25 04:59:16,503 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@cd0631 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:59:16, skipping insertion in model container [2024-11-25 04:59:16,505 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:59:16" (1/1) ... [2024-11-25 04:59:16,604 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:59:17,726 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-25 04:59:17,756 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-25 04:59:17,781 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-25 04:59:17,873 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-25 04:59:17,903 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-25 04:59:17,904 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:59:17,995 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:59:18,214 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:59:18,475 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:59:18,476 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:59:18 WrapperNode [2024-11-25 04:59:18,476 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:59:18,477 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:59:18,477 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:59:18,477 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:59:18,484 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:59:18" (1/1) ... [2024-11-25 04:59:18,549 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:59:18" (1/1) ... [2024-11-25 04:59:18,790 INFO L138 Inliner]: procedures = 483, calls = 2667, calls flagged for inlining = 202, calls inlined = 324, statements flattened = 4442 [2024-11-25 04:59:18,791 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:59:18,792 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:59:18,792 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:59:18,792 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:59:18,801 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:59:18" (1/1) ... [2024-11-25 04:59:18,801 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:59:18" (1/1) ... [2024-11-25 04:59:18,842 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:59:18" (1/1) ... [2024-11-25 04:59:18,843 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:59:18" (1/1) ... [2024-11-25 04:59:18,971 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:59:18" (1/1) ... [2024-11-25 04:59:18,980 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:59:18" (1/1) ... [2024-11-25 04:59:19,045 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:59:18" (1/1) ... [2024-11-25 04:59:19,058 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:59:18" (1/1) ... [2024-11-25 04:59:19,071 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:59:18" (1/1) ... [2024-11-25 04:59:19,095 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:59:19,096 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:59:19,096 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:59:19,096 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:59:19,097 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:59:18" (1/1) ... [2024-11-25 04:59:19,103 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:59:19,115 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba252160-7148-4344-b70f-533c8b4818a1/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:59:19,127 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba252160-7148-4344-b70f-533c8b4818a1/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:59:19,180 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba252160-7148-4344-b70f-533c8b4818a1/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:59:19,209 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-25 04:59:19,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2024-11-25 04:59:19,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 04:59:19,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2024-11-25 04:59:19,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2024-11-25 04:59:19,210 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-25 04:59:19,210 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:59:19,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-25 04:59:19,211 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:59:19,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:59:19,211 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2024-11-25 04:59:19,211 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-25 04:59:19,211 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2024-11-25 04:59:19,212 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-25 04:59:19,212 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-25 04:59:19,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2024-11-25 04:59:19,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-11-25 04:59:19,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2024-11-25 04:59:19,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-25 04:59:19,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-25 04:59:19,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2024-11-25 04:59:19,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2024-11-25 04:59:19,631 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:59:19,633 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:59:46,366 INFO L? ?]: Removed 1801 outVars from TransFormulas that were not future-live. [2024-11-25 04:59:46,366 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:59:47,166 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 04:59:47,166 INFO L312 CfgBuilder]: Removed 5 assume(true) statements. [2024-11-25 04:59:47,167 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:59:47 BoogieIcfgContainer [2024-11-25 04:59:47,167 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 04:59:47,167 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 04:59:47,168 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 04:59:47,178 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 04:59:47,178 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:59:47" (1/1) ... [2024-11-25 04:59:47,186 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 04:59:47,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:59:47,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 812 states to 700 states and 812 transitions. [2024-11-25 04:59:47,245 INFO L276 IsEmpty]: Start isEmpty. Operand 700 states and 812 transitions. [2024-11-25 04:59:47,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-11-25 04:59:47,247 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:59:47,248 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:59:47,248 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba252160-7148-4344-b70f-533c8b4818a1/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:59:47,251 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba252160-7148-4344-b70f-533c8b4818a1/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:59:47,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba252160-7148-4344-b70f-533c8b4818a1/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 04:59:55,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:59:55,674 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:00:01,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:00:01,831 INFO L256 TraceCheckSpWp]: Trace formula consists of 2838 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-25 05:00:01,835 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:00:02,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:00:02,058 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba252160-7148-4344-b70f-533c8b4818a1/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-25 05:00:14,737 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 12.53s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-25 05:00:15,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:00:15,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 811 states to 699 states and 811 transitions. [2024-11-25 05:00:15,757 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 811 transitions. [2024-11-25 05:00:15,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-11-25 05:00:15,757 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:00:15,757 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:00:15,757 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba252160-7148-4344-b70f-533c8b4818a1/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:00:15,762 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba252160-7148-4344-b70f-533c8b4818a1/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:00:15,764 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba252160-7148-4344-b70f-533c8b4818a1/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-25 05:00:28,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:00:28,812 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:00:34,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:00:34,450 INFO L256 TraceCheckSpWp]: Trace formula consists of 2838 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-25 05:00:34,452 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:00:34,761 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:00:34,776 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba252160-7148-4344-b70f-533c8b4818a1/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-25 05:00:48,557 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 12.56s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-25 05:00:52,537 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.67s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-25 05:00:52,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:00:52,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 810 states to 698 states and 810 transitions. [2024-11-25 05:00:52,990 INFO L276 IsEmpty]: Start isEmpty. Operand 698 states and 810 transitions. [2024-11-25 05:00:52,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-25 05:00:52,990 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:00:52,990 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:00:52,991 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba252160-7148-4344-b70f-533c8b4818a1/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:00:52,995 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba252160-7148-4344-b70f-533c8b4818a1/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:00:52,998 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba252160-7148-4344-b70f-533c8b4818a1/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-25 05:00:56,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:00:56,237 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:01:00,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:01:00,737 INFO L256 TraceCheckSpWp]: Trace formula consists of 2851 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 05:01:00,738 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:01:00,991 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:01:00,999 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba252160-7148-4344-b70f-533c8b4818a1/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2024-11-25 05:01:01,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:01:01,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 809 states to 697 states and 809 transitions. [2024-11-25 05:01:01,401 INFO L276 IsEmpty]: Start isEmpty. Operand 697 states and 809 transitions. [2024-11-25 05:01:01,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-25 05:01:01,402 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:01:01,402 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:01:01,402 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba252160-7148-4344-b70f-533c8b4818a1/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:01:01,405 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba252160-7148-4344-b70f-533c8b4818a1/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:01:01,407 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba252160-7148-4344-b70f-533c8b4818a1/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-25 05:01:15,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:01:15,289 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:01:20,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:01:20,688 INFO L256 TraceCheckSpWp]: Trace formula consists of 2851 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-25 05:01:20,690 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:01:20,955 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:01:20,972 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba252160-7148-4344-b70f-533c8b4818a1/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2024-11-25 05:01:21,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:01:21,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 808 states to 696 states and 808 transitions. [2024-11-25 05:01:21,931 INFO L276 IsEmpty]: Start isEmpty. Operand 696 states and 808 transitions. [2024-11-25 05:01:21,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-25 05:01:21,931 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:01:21,931 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:01:21,931 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba252160-7148-4344-b70f-533c8b4818a1/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:01:21,933 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba252160-7148-4344-b70f-533c8b4818a1/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:01:21,935 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba252160-7148-4344-b70f-533c8b4818a1/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-25 05:01:31,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:01:31,038 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:01:36,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:01:37,043 INFO L256 TraceCheckSpWp]: Trace formula consists of 2866 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-25 05:01:37,044 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:01:37,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:01:37,725 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba252160-7148-4344-b70f-533c8b4818a1/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-25 05:01:52,114 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 12.72s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-25 05:01:56,575 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.77s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-25 05:01:57,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:01:57,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 807 states to 695 states and 807 transitions. [2024-11-25 05:01:57,298 INFO L276 IsEmpty]: Start isEmpty. Operand 695 states and 807 transitions. [2024-11-25 05:01:57,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-25 05:01:57,298 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:01:57,298 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:01:57,298 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba252160-7148-4344-b70f-533c8b4818a1/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:01:57,302 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba252160-7148-4344-b70f-533c8b4818a1/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:01:57,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba252160-7148-4344-b70f-533c8b4818a1/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-25 05:02:12,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:02:12,091 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:02:17,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:02:17,817 INFO L256 TraceCheckSpWp]: Trace formula consists of 2866 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-25 05:02:17,821 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:02:19,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:02:19,619 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba252160-7148-4344-b70f-533c8b4818a1/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-25 05:02:35,111 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 12.75s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-25 05:02:40,068 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.03s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-25 05:02:44,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:02:44,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 809 states to 697 states and 809 transitions. [2024-11-25 05:02:44,816 INFO L276 IsEmpty]: Start isEmpty. Operand 697 states and 809 transitions. [2024-11-25 05:02:44,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 05:02:44,816 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:02:44,816 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:02:44,816 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba252160-7148-4344-b70f-533c8b4818a1/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:02:44,819 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba252160-7148-4344-b70f-533c8b4818a1/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:02:44,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba252160-7148-4344-b70f-533c8b4818a1/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-25 05:02:59,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:02:59,093 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:03:03,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:03:04,313 INFO L256 TraceCheckSpWp]: Trace formula consists of 2881 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-25 05:03:04,315 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:03:05,925 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:03:05,945 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba252160-7148-4344-b70f-533c8b4818a1/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2024-11-25 05:03:10,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:03:10,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 811 states to 699 states and 811 transitions. [2024-11-25 05:03:10,731 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 811 transitions. [2024-11-25 05:03:10,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-25 05:03:10,732 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:03:10,732 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:03:10,732 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba252160-7148-4344-b70f-533c8b4818a1/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:03:10,734 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba252160-7148-4344-b70f-533c8b4818a1/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:03:10,736 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba252160-7148-4344-b70f-533c8b4818a1/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-25 05:03:24,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:03:24,519 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:03:31,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:03:31,632 INFO L256 TraceCheckSpWp]: Trace formula consists of 2896 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-25 05:03:31,633 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:03:33,584 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:03:33,607 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba252160-7148-4344-b70f-533c8b4818a1/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-11-25 05:03:39,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:03:39,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 813 states to 701 states and 813 transitions. [2024-11-25 05:03:39,276 INFO L276 IsEmpty]: Start isEmpty. Operand 701 states and 813 transitions. [2024-11-25 05:03:39,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-25 05:03:39,276 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:03:39,276 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:03:39,276 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba252160-7148-4344-b70f-533c8b4818a1/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:03:39,280 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba252160-7148-4344-b70f-533c8b4818a1/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:03:39,282 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba252160-7148-4344-b70f-533c8b4818a1/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-25 05:03:53,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:03:53,845 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:04:01,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:04:01,871 INFO L256 TraceCheckSpWp]: Trace formula consists of 2911 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:04:01,873 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:04:04,327 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:04:04,352 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba252160-7148-4344-b70f-533c8b4818a1/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-11-25 05:04:10,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:04:10,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 815 states to 703 states and 815 transitions. [2024-11-25 05:04:10,876 INFO L276 IsEmpty]: Start isEmpty. Operand 703 states and 815 transitions. [2024-11-25 05:04:10,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-25 05:04:10,878 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:04:10,878 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:04:10,878 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba252160-7148-4344-b70f-533c8b4818a1/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:04:10,880 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba252160-7148-4344-b70f-533c8b4818a1/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:04:10,884 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba252160-7148-4344-b70f-533c8b4818a1/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-25 05:04:26,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:04:26,158 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:04:33,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:04:33,623 INFO L256 TraceCheckSpWp]: Trace formula consists of 2926 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 05:04:33,625 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:04:36,431 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:04:36,456 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba252160-7148-4344-b70f-533c8b4818a1/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-11-25 05:04:43,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:04:43,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 817 states to 705 states and 817 transitions. [2024-11-25 05:04:43,501 INFO L276 IsEmpty]: Start isEmpty. Operand 705 states and 817 transitions. [2024-11-25 05:04:43,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-25 05:04:43,502 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:04:43,502 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:04:43,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba252160-7148-4344-b70f-533c8b4818a1/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:04:43,505 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba252160-7148-4344-b70f-533c8b4818a1/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:04:43,508 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba252160-7148-4344-b70f-533c8b4818a1/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-25 05:04:59,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:04:59,101 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:05:06,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:05:06,420 INFO L256 TraceCheckSpWp]: Trace formula consists of 2941 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-25 05:05:06,422 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:05:09,634 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:05:09,663 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba252160-7148-4344-b70f-533c8b4818a1/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-11-25 05:05:17,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:05:17,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 819 states to 707 states and 819 transitions. [2024-11-25 05:05:17,814 INFO L276 IsEmpty]: Start isEmpty. Operand 707 states and 819 transitions. [2024-11-25 05:05:17,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-25 05:05:17,815 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:05:17,815 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:05:17,815 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba252160-7148-4344-b70f-533c8b4818a1/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:05:17,817 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba252160-7148-4344-b70f-533c8b4818a1/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:05:17,818 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba252160-7148-4344-b70f-533c8b4818a1/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-25 05:05:33,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:05:33,793 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:05:41,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:05:41,461 INFO L256 TraceCheckSpWp]: Trace formula consists of 2956 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-25 05:05:41,463 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:05:45,012 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:05:45,042 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba252160-7148-4344-b70f-533c8b4818a1/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (13)] Forceful destruction successful, exit code 0 [2024-11-25 05:05:53,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:05:53,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 821 states to 709 states and 821 transitions. [2024-11-25 05:05:53,879 INFO L276 IsEmpty]: Start isEmpty. Operand 709 states and 821 transitions. [2024-11-25 05:05:53,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 05:05:53,880 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:05:53,880 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:05:53,880 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba252160-7148-4344-b70f-533c8b4818a1/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:05:53,882 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba252160-7148-4344-b70f-533c8b4818a1/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:05:53,883 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba252160-7148-4344-b70f-533c8b4818a1/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-25 05:06:10,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:06:10,787 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:06:18,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:06:18,804 INFO L256 TraceCheckSpWp]: Trace formula consists of 2971 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-25 05:06:18,807 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:06:22,480 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:06:22,514 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba252160-7148-4344-b70f-533c8b4818a1/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-11-25 05:06:32,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:06:32,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 823 states to 711 states and 823 transitions. [2024-11-25 05:06:32,918 INFO L276 IsEmpty]: Start isEmpty. Operand 711 states and 823 transitions. [2024-11-25 05:06:32,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-25 05:06:32,919 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:06:32,919 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:06:32,919 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba252160-7148-4344-b70f-533c8b4818a1/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:06:32,921 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba252160-7148-4344-b70f-533c8b4818a1/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:06:32,925 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba252160-7148-4344-b70f-533c8b4818a1/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-11-25 05:06:50,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:06:50,469 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:06:58,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:06:59,384 INFO L256 TraceCheckSpWp]: Trace formula consists of 2986 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 05:06:59,387 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:07:04,834 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:07:04,867 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba252160-7148-4344-b70f-533c8b4818a1/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-11-25 05:07:16,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:07:16,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 825 states to 713 states and 825 transitions. [2024-11-25 05:07:16,286 INFO L276 IsEmpty]: Start isEmpty. Operand 713 states and 825 transitions. [2024-11-25 05:07:16,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:07:16,287 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:07:16,287 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:07:16,287 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba252160-7148-4344-b70f-533c8b4818a1/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:07:16,289 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba252160-7148-4344-b70f-533c8b4818a1/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:07:16,291 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba252160-7148-4344-b70f-533c8b4818a1/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-11-25 05:07:34,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:07:34,933 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:07:43,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:07:43,527 INFO L256 TraceCheckSpWp]: Trace formula consists of 3001 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 05:07:43,528 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:07:48,957 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:07:48,997 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba252160-7148-4344-b70f-533c8b4818a1/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-11-25 05:08:01,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:08:01,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 827 states to 715 states and 827 transitions. [2024-11-25 05:08:01,070 INFO L276 IsEmpty]: Start isEmpty. Operand 715 states and 827 transitions. [2024-11-25 05:08:01,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 05:08:01,070 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:08:01,070 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:08:01,070 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba252160-7148-4344-b70f-533c8b4818a1/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:08:01,072 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba252160-7148-4344-b70f-533c8b4818a1/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:08:01,074 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba252160-7148-4344-b70f-533c8b4818a1/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-11-25 05:08:11,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:08:11,316 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:08:20,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:08:20,744 INFO L256 TraceCheckSpWp]: Trace formula consists of 3016 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-25 05:08:20,746 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:08:26,695 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 10 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:08:26,729 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba252160-7148-4344-b70f-533c8b4818a1/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-11-25 05:08:36,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:08:36,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 824 states to 713 states and 824 transitions. [2024-11-25 05:08:36,359 INFO L276 IsEmpty]: Start isEmpty. Operand 713 states and 824 transitions. [2024-11-25 05:08:36,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-25 05:08:36,359 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:08:36,360 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:08:36,360 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba252160-7148-4344-b70f-533c8b4818a1/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:08:36,362 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba252160-7148-4344-b70f-533c8b4818a1/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:08:36,364 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba252160-7148-4344-b70f-533c8b4818a1/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-11-25 05:08:47,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:08:47,368 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:08:52,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:08:53,482 INFO L256 TraceCheckSpWp]: Trace formula consists of 3018 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-25 05:08:53,484 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:08:57,193 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-11-25 05:08:57,228 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba252160-7148-4344-b70f-533c8b4818a1/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2024-11-25 05:09:16,387 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 12.97s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-25 05:09:22,321 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.94s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-25 05:10:18,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:10:18,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 829 states to 715 states and 829 transitions. [2024-11-25 05:10:18,650 INFO L276 IsEmpty]: Start isEmpty. Operand 715 states and 829 transitions. [2024-11-25 05:10:18,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-25 05:10:18,652 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:10:18,652 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:10:18,653 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba252160-7148-4344-b70f-533c8b4818a1/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:10:18,657 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba252160-7148-4344-b70f-533c8b4818a1/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:10:18,659 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba252160-7148-4344-b70f-533c8b4818a1/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-11-25 05:10:34,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:10:34,386 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:10:39,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:10:39,971 INFO L256 TraceCheckSpWp]: Trace formula consists of 3018 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-25 05:10:39,972 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:10:46,861 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-11-25 05:10:46,892 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba252160-7148-4344-b70f-533c8b4818a1/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2024-11-25 05:11:08,354 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 12.71s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-25 05:11:15,086 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.84s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []