./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/array-memsafety/mult_array-alloca-1.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_12df7e41-9bf4-4735-936c-e425abe6fbd2/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12df7e41-9bf4-4735-936c-e425abe6fbd2/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12df7e41-9bf4-4735-936c-e425abe6fbd2/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12df7e41-9bf4-4735-936c-e425abe6fbd2/bin/ukojak-verify-CZk0znPC7b/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/mult_array-alloca-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12df7e41-9bf4-4735-936c-e425abe6fbd2/bin/ukojak-verify-CZk0znPC7b/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12df7e41-9bf4-4735-936c-e425abe6fbd2/bin/ukojak-verify-CZk0znPC7b --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 516828c2d0e4e4ea6fd7a5826d09ca378c2c75a9f8159cf96c4b4e28ff76714b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 02:39:38,938 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 02:39:38,991 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12df7e41-9bf4-4735-936c-e425abe6fbd2/bin/ukojak-verify-CZk0znPC7b/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2024-12-06 02:39:38,994 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 02:39:38,995 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 02:39:39,012 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 02:39:39,013 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 02:39:39,014 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 02:39:39,014 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 02:39:39,014 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 02:39:39,014 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 02:39:39,014 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 02:39:39,014 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 02:39:39,014 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-12-06 02:39:39,014 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-12-06 02:39:39,015 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-12-06 02:39:39,015 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 02:39:39,015 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 02:39:39,015 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 02:39:39,015 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 02:39:39,015 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 02:39:39,015 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 02:39:39,015 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 02:39:39,015 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 02:39:39,015 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 02:39:39,016 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:39:39,016 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 02:39:39,016 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 02:39:39,016 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 02:39:39,016 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 02:39:39,016 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_12df7e41-9bf4-4735-936c-e425abe6fbd2/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G 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 -> 516828c2d0e4e4ea6fd7a5826d09ca378c2c75a9f8159cf96c4b4e28ff76714b [2024-12-06 02:39:39,263 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 02:39:39,272 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 02:39:39,274 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 02:39:39,275 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 02:39:39,276 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 02:39:39,277 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12df7e41-9bf4-4735-936c-e425abe6fbd2/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/array-memsafety/mult_array-alloca-1.i [2024-12-06 02:39:41,948 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12df7e41-9bf4-4735-936c-e425abe6fbd2/bin/ukojak-verify-CZk0znPC7b/data/0568dbf29/cf473e14de984e768f482d248951fe83/FLAG61e6ce0d5 [2024-12-06 02:39:42,196 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 02:39:42,197 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12df7e41-9bf4-4735-936c-e425abe6fbd2/sv-benchmarks/c/array-memsafety/mult_array-alloca-1.i [2024-12-06 02:39:42,208 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12df7e41-9bf4-4735-936c-e425abe6fbd2/bin/ukojak-verify-CZk0znPC7b/data/0568dbf29/cf473e14de984e768f482d248951fe83/FLAG61e6ce0d5 [2024-12-06 02:39:42,224 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12df7e41-9bf4-4735-936c-e425abe6fbd2/bin/ukojak-verify-CZk0znPC7b/data/0568dbf29/cf473e14de984e768f482d248951fe83 [2024-12-06 02:39:42,226 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 02:39:42,228 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 02:39:42,229 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 02:39:42,230 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 02:39:42,234 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 02:39:42,235 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:39:42" (1/1) ... [2024-12-06 02:39:42,235 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e02459d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:39:42, skipping insertion in model container [2024-12-06 02:39:42,236 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:39:42" (1/1) ... [2024-12-06 02:39:42,261 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 02:39:42,491 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:39:42,501 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 02:39:42,534 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:39:42,556 INFO L204 MainTranslator]: Completed translation [2024-12-06 02:39:42,557 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:39:42 WrapperNode [2024-12-06 02:39:42,557 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 02:39:42,558 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 02:39:42,558 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 02:39:42,558 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 02:39:42,564 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:39:42" (1/1) ... [2024-12-06 02:39:42,572 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:39:42" (1/1) ... [2024-12-06 02:39:42,588 INFO L138 Inliner]: procedures = 115, calls = 13, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 60 [2024-12-06 02:39:42,589 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 02:39:42,589 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 02:39:42,589 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 02:39:42,589 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 02:39:42,596 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:39:42" (1/1) ... [2024-12-06 02:39:42,597 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:39:42" (1/1) ... [2024-12-06 02:39:42,599 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:39:42" (1/1) ... [2024-12-06 02:39:42,599 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:39:42" (1/1) ... [2024-12-06 02:39:42,603 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:39:42" (1/1) ... [2024-12-06 02:39:42,604 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:39:42" (1/1) ... [2024-12-06 02:39:42,607 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:39:42" (1/1) ... [2024-12-06 02:39:42,608 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:39:42" (1/1) ... [2024-12-06 02:39:42,609 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:39:42" (1/1) ... [2024-12-06 02:39:42,610 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 02:39:42,611 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 02:39:42,611 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 02:39:42,611 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 02:39:42,612 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:39:42" (1/1) ... [2024-12-06 02:39:42,617 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:39:42,629 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12df7e41-9bf4-4735-936c-e425abe6fbd2/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 02:39:42,641 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12df7e41-9bf4-4735-936c-e425abe6fbd2/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 02:39:42,644 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12df7e41-9bf4-4735-936c-e425abe6fbd2/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 02:39:42,671 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-06 02:39:42,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-06 02:39:42,672 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-06 02:39:42,672 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-06 02:39:42,672 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 02:39:42,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 02:39:42,757 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 02:39:42,759 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 02:39:42,911 INFO L? ?]: Removed 28 outVars from TransFormulas that were not future-live. [2024-12-06 02:39:42,911 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 02:39:42,979 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 02:39:42,979 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-06 02:39:42,980 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:39:42 BoogieIcfgContainer [2024-12-06 02:39:42,980 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 02:39:42,980 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 02:39:42,980 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 02:39:42,990 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 02:39:42,990 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:39:42" (1/1) ... [2024-12-06 02:39:42,998 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 02:39:43,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:39:43,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2024-12-06 02:39:43,044 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2024-12-06 02:39:43,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-06 02:39:43,046 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:39:43,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:39:43,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:39:43,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:39:43,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:39:43,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 16 states and 17 transitions. [2024-12-06 02:39:43,328 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2024-12-06 02:39:43,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 02:39:43,328 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:39:43,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:39:43,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:39:43,500 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:39:43,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:39:43,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 15 states and 16 transitions. [2024-12-06 02:39:43,616 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2024-12-06 02:39:43,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 02:39:43,617 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:39:43,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:39:43,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:39:43,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:39:44,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:39:44,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2024-12-06 02:39:44,365 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2024-12-06 02:39:44,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 02:39:44,365 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:39:44,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:39:44,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:39:44,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:39:44,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:39:44,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 17 states and 19 transitions. [2024-12-06 02:39:44,898 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2024-12-06 02:39:44,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 02:39:44,898 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:39:44,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:39:44,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:39:45,354 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:39:46,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:39:46,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 20 states and 26 transitions. [2024-12-06 02:39:46,269 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 26 transitions. [2024-12-06 02:39:46,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 02:39:46,271 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:39:46,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:39:46,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:39:46,448 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 02:39:47,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:39:47,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 23 states and 35 transitions. [2024-12-06 02:39:47,575 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 35 transitions. [2024-12-06 02:39:47,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 02:39:47,575 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:39:47,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:39:47,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:39:47,593 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:39:47,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:39:47,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 25 states and 40 transitions. [2024-12-06 02:39:47,768 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 40 transitions. [2024-12-06 02:39:47,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 02:39:47,768 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:39:47,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:39:47,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:39:48,321 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:39:49,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:39:49,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 28 states and 50 transitions. [2024-12-06 02:39:49,928 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 50 transitions. [2024-12-06 02:39:49,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 02:39:49,929 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:39:49,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:39:49,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:39:50,689 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:39:51,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:39:51,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 30 states and 61 transitions. [2024-12-06 02:39:51,857 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 61 transitions. [2024-12-06 02:39:51,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 02:39:51,858 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:39:51,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:39:51,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:39:51,960 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 02:39:53,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:39:53,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 34 states and 73 transitions. [2024-12-06 02:39:53,670 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 73 transitions. [2024-12-06 02:39:53,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 02:39:53,670 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:39:53,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:39:53,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:39:53,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:39:53,727 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-12-06 02:39:53,732 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:39:53,820 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2024-12-06 02:39:54,952 INFO L224 Elim1Store]: Index analysis took 1086 ms [2024-12-06 02:39:54,955 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 21 [2024-12-06 02:40:01,968 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:40:38,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:40:38,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 38 states and 85 transitions. [2024-12-06 02:40:38,415 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 85 transitions. [2024-12-06 02:40:38,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 02:40:38,416 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:40:38,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:40:38,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:40:38,587 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:40:39,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:40:39,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 39 states and 88 transitions. [2024-12-06 02:40:39,966 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 88 transitions. [2024-12-06 02:40:39,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 02:40:39,966 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:40:39,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:40:39,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:40:41,404 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:40:44,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:40:44,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 40 states and 91 transitions. [2024-12-06 02:40:44,442 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 91 transitions. [2024-12-06 02:40:44,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 02:40:44,443 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:40:44,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:40:44,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:40:44,522 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:40:45,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:40:45,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 41 states and 94 transitions. [2024-12-06 02:40:45,211 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 94 transitions. [2024-12-06 02:40:45,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 02:40:45,212 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:40:45,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:40:45,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:40:45,342 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:40:46,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:40:46,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 42 states and 100 transitions. [2024-12-06 02:40:46,391 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 100 transitions. [2024-12-06 02:40:46,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-06 02:40:46,391 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:40:46,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:40:46,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:40:46,417 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:40:47,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:40:47,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 43 states and 103 transitions. [2024-12-06 02:40:47,523 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 103 transitions. [2024-12-06 02:40:47,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-06 02:40:47,523 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:40:47,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:40:47,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:40:47,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:40:47,580 INFO L256 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-12-06 02:40:47,582 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:40:47,622 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2024-12-06 02:40:47,626 WARN L560 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2024-12-06 02:40:47,633 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2024-12-06 02:40:58,556 WARN L286 SmtUtils]: Spent 10.32s on a formula simplification that was a NOOP. DAG size: 13 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-06 02:41:08,562 WARN L286 SmtUtils]: Spent 10.01s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-06 02:41:19,186 WARN L286 SmtUtils]: Spent 10.62s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-06 02:41:29,206 WARN L286 SmtUtils]: Spent 10.02s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-06 02:41:39,238 WARN L286 SmtUtils]: Spent 10.03s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-06 02:43:02,217 WARN L286 SmtUtils]: Spent 10.07s on a formula simplification that was a NOOP. DAG size: 42 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 02:43:13,035 WARN L286 SmtUtils]: Spent 10.77s on a formula simplification that was a NOOP. DAG size: 13 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-06 02:43:23,048 WARN L286 SmtUtils]: Spent 10.01s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-06 02:43:33,083 WARN L286 SmtUtils]: Spent 10.03s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-06 02:43:43,095 WARN L286 SmtUtils]: Spent 10.01s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-06 02:43:53,109 WARN L286 SmtUtils]: Spent 10.01s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-06 02:44:34,583 WARN L286 SmtUtils]: Spent 10.09s on a formula simplification that was a NOOP. DAG size: 44 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 02:44:44,658 WARN L286 SmtUtils]: Spent 10.02s on a formula simplification that was a NOOP. DAG size: 13 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-06 02:44:54,670 WARN L286 SmtUtils]: Spent 10.01s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-06 02:45:04,712 WARN L286 SmtUtils]: Spent 10.04s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-06 02:45:14,726 WARN L286 SmtUtils]: Spent 10.01s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-06 02:45:24,746 WARN L286 SmtUtils]: Spent 10.02s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-06 02:45:34,830 WARN L286 SmtUtils]: Spent 10.01s on a formula simplification that was a NOOP. DAG size: 13 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-06 02:45:44,878 WARN L286 SmtUtils]: Spent 10.05s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-06 02:45:54,911 WARN L286 SmtUtils]: Spent 10.03s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-06 02:46:04,955 WARN L286 SmtUtils]: Spent 10.04s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-06 02:46:14,967 WARN L286 SmtUtils]: Spent 10.01s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-06 02:46:37,278 WARN L286 SmtUtils]: Spent 10.16s on a formula simplification that was a NOOP. DAG size: 46 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 02:46:47,401 WARN L286 SmtUtils]: Spent 10.06s on a formula simplification that was a NOOP. DAG size: 13 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-06 02:46:57,413 WARN L286 SmtUtils]: Spent 10.01s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-06 02:47:07,430 WARN L286 SmtUtils]: Spent 10.02s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-06 02:47:17,463 WARN L286 SmtUtils]: Spent 10.03s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-06 02:47:27,509 WARN L286 SmtUtils]: Spent 10.05s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-06 02:47:39,771 WARN L286 SmtUtils]: Spent 10.25s on a formula simplification that was a NOOP. DAG size: 48 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 02:47:49,869 WARN L286 SmtUtils]: Spent 10.03s on a formula simplification that was a NOOP. DAG size: 13 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-06 02:47:59,882 WARN L286 SmtUtils]: Spent 10.01s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-06 02:48:09,948 WARN L286 SmtUtils]: Spent 10.07s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-06 02:48:19,958 WARN L286 SmtUtils]: Spent 10.01s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-06 02:48:30,023 WARN L286 SmtUtils]: Spent 10.06s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-06 02:48:42,045 WARN L286 SmtUtils]: Spent 10.09s on a formula simplification that was a NOOP. DAG size: 48 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 02:48:59,452 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:50:17,440 WARN L286 SmtUtils]: Spent 10.08s on a formula simplification that was a NOOP. DAG size: 43 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 02:50:27,620 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse3 (* (mod |c_ULTIMATE.start_main_~length~0#1| 1073741824) 4))) (let ((.cse1 (= |c_ULTIMATE.start_main_~arr2~0#1.offset| 0)) (.cse0 (mod (div 2147483647 .cse3) 4294967296)) (.cse4 (select |c_#length| |c_ULTIMATE.start_main_~arr2~0#1.base|)) (.cse5 (not (= |c_ULTIMATE.start_main_~arr2~0#1.base| |c_ULTIMATE.start_main_~arr~0#1.base|))) (.cse2 (select |c_#length| |c_ULTIMATE.start_main_~arr~0#1.base|))) (and (or (= |c_ULTIMATE.start_main_~fac~0#1| 1) (and (<= |c_ULTIMATE.start_main_~fac~0#1| 2147483647) (<= 1 |c_ULTIMATE.start_main_~fac~0#1|) (<= (+ (mod |c_ULTIMATE.start_main_~fac~0#1| 4294967296) 1) .cse0))) .cse1 (= (store (store |c_#valid| |c_ULTIMATE.start_main_#t~malloc5#1.base| 0) |c_ULTIMATE.start_main_#t~malloc4#1.base| 0) |c_ULTIMATE.start_main_old_#valid#1|) (= (select |c_#valid| |c_ULTIMATE.start_main_~arr2~0#1.base|) 1) (not (= |c_ULTIMATE.start_main_~arr2~0#1.base| 0)) (= .cse2 .cse3) (= (* (mod (* |c_ULTIMATE.start_main_~fac~0#1| |c_ULTIMATE.start_main_~length~0#1|) 1073741824) 4) .cse4) (<= 1 |c_ULTIMATE.start_main_~length~0#1|) (not (= |c_ULTIMATE.start_main_#t~malloc4#1.base| |c_ULTIMATE.start_main_#t~malloc5#1.base|)) .cse5 (not (= |c_ULTIMATE.start_main_~arr~0#1.base| 0)) (not (and .cse1 (or (exists ((v_z_5 Int) (v_y_5 Int)) (let ((.cse6 (+ v_z_5 (* v_y_5 4294967296)))) (and (<= 1 .cse6) (<= 0 v_z_5) (<= (* (mod (* v_z_5 |c_ULTIMATE.start_main_~length~0#1|) 1073741824) 4) .cse4) (<= (+ v_z_5 1) .cse0) (<= .cse6 2147483647)))) (< .cse3 (+ .cse4 1))) .cse5 (<= 0 |c_ULTIMATE.start_main_~arr~0#1.offset|) (<= .cse2 .cse3))) (= (select |c_#valid| |c_ULTIMATE.start_main_~arr~0#1.base|) 1) (<= (div |c_ULTIMATE.start_main_~length~0#1| 1073741824) 0) (= |c_ULTIMATE.start_main_~arr~0#1.offset| 0)))) is different from false [2024-12-06 02:51:12,104 WARN L286 SmtUtils]: Spent 10.10s on a formula simplification that was a NOOP. DAG size: 45 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 02:51:22,117 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse4 (* (mod |c_ULTIMATE.start_main_~length~0#1| 1073741824) 4))) (let ((.cse1 (= |c_ULTIMATE.start_main_~arr2~0#1.offset| 0)) (.cse2 (= |c_ULTIMATE.start_main_~i~0#1| 0)) (.cse0 (mod (div 2147483647 .cse4) 4294967296)) (.cse5 (select |c_#length| |c_ULTIMATE.start_main_~arr2~0#1.base|)) (.cse6 (not (= |c_ULTIMATE.start_main_~arr2~0#1.base| |c_ULTIMATE.start_main_~arr~0#1.base|))) (.cse3 (select |c_#length| |c_ULTIMATE.start_main_~arr~0#1.base|))) (and (or (= |c_ULTIMATE.start_main_~fac~0#1| 1) (and (<= |c_ULTIMATE.start_main_~fac~0#1| 2147483647) (<= 1 |c_ULTIMATE.start_main_~fac~0#1|) (<= (+ (mod |c_ULTIMATE.start_main_~fac~0#1| 4294967296) 1) .cse0))) .cse1 (= (store (store |c_#valid| |c_ULTIMATE.start_main_#t~malloc5#1.base| 0) |c_ULTIMATE.start_main_#t~malloc4#1.base| 0) |c_ULTIMATE.start_main_old_#valid#1|) (= (select |c_#valid| |c_ULTIMATE.start_main_~arr2~0#1.base|) 1) .cse2 (= .cse3 .cse4) (= (* (mod (* |c_ULTIMATE.start_main_~fac~0#1| |c_ULTIMATE.start_main_~length~0#1|) 1073741824) 4) .cse5) (<= 1 |c_ULTIMATE.start_main_~length~0#1|) (not (= |c_ULTIMATE.start_main_#t~malloc4#1.base| |c_ULTIMATE.start_main_#t~malloc5#1.base|)) .cse6 (not (and .cse1 .cse2 (or (exists ((v_z_5 Int) (v_y_5 Int)) (let ((.cse7 (+ v_z_5 (* v_y_5 4294967296)))) (and (<= 1 .cse7) (<= 0 v_z_5) (<= (* (mod (* v_z_5 |c_ULTIMATE.start_main_~length~0#1|) 1073741824) 4) .cse5) (<= (+ v_z_5 1) .cse0) (<= .cse7 2147483647)))) (< .cse4 (+ .cse5 1))) .cse6 (<= 0 |c_ULTIMATE.start_main_~arr~0#1.offset|) (<= .cse3 .cse4))) (= (select |c_#valid| |c_ULTIMATE.start_main_~arr~0#1.base|) 1) (<= (div |c_ULTIMATE.start_main_~length~0#1| 1073741824) 0) (= |c_ULTIMATE.start_main_~arr~0#1.offset| 0)))) is different from false [2024-12-06 02:51:32,143 WARN L873 $PredicateComparison]: unable to prove that (not (let ((.cse4 (* (mod |c_ULTIMATE.start_main_~length~0#1| 1073741824) 4))) (let ((.cse1 (= |c_ULTIMATE.start_main_~arr2~0#1.offset| 0)) (.cse2 (= |c_ULTIMATE.start_main_~i~0#1| 0)) (.cse0 (mod (div 2147483647 .cse4) 4294967296)) (.cse5 (select |c_#length| |c_ULTIMATE.start_main_~arr2~0#1.base|)) (.cse6 (not (= |c_ULTIMATE.start_main_~arr2~0#1.base| |c_ULTIMATE.start_main_~arr~0#1.base|))) (.cse3 (select |c_#length| |c_ULTIMATE.start_main_~arr~0#1.base|))) (and (or (= |c_ULTIMATE.start_main_~fac~0#1| 1) (and (<= |c_ULTIMATE.start_main_~fac~0#1| 2147483647) (<= 1 |c_ULTIMATE.start_main_~fac~0#1|) (<= (+ (mod |c_ULTIMATE.start_main_~fac~0#1| 4294967296) 1) .cse0))) .cse1 (= (store (store |c_#valid| |c_ULTIMATE.start_main_#t~malloc5#1.base| 0) |c_ULTIMATE.start_main_#t~malloc4#1.base| 0) |c_ULTIMATE.start_main_old_#valid#1|) (= (select |c_#valid| |c_ULTIMATE.start_main_~arr2~0#1.base|) 1) .cse2 (= .cse3 .cse4) (= (* (mod (* |c_ULTIMATE.start_main_~fac~0#1| |c_ULTIMATE.start_main_~length~0#1|) 1073741824) 4) .cse5) (<= 1 |c_ULTIMATE.start_main_~length~0#1|) (not (= |c_ULTIMATE.start_main_#t~malloc4#1.base| |c_ULTIMATE.start_main_#t~malloc5#1.base|)) .cse6 (not (and .cse1 .cse2 (or (exists ((v_z_5 Int) (v_y_5 Int)) (let ((.cse7 (+ v_z_5 (* v_y_5 4294967296)))) (and (<= 1 .cse7) (<= 0 v_z_5) (<= (* (mod (* v_z_5 |c_ULTIMATE.start_main_~length~0#1|) 1073741824) 4) .cse5) (<= (+ v_z_5 1) .cse0) (<= .cse7 2147483647)))) (< .cse4 (+ .cse5 1))) .cse6 (<= 0 |c_ULTIMATE.start_main_~arr~0#1.offset|) (<= .cse3 .cse4))) (= (select |c_#valid| |c_ULTIMATE.start_main_~arr~0#1.base|) 1) (<= (div |c_ULTIMATE.start_main_~length~0#1| 1073741824) 0) (= |c_ULTIMATE.start_main_~arr~0#1.offset| 0))))) is different from true [2024-12-06 02:51:55,969 WARN L286 SmtUtils]: Spent 10.15s on a formula simplification that was a NOOP. DAG size: 47 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 02:52:05,980 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse3 (* (mod |c_ULTIMATE.start_main_~length~0#1| 1073741824) 4))) (let ((.cse1 (= |c_ULTIMATE.start_main_~arr2~0#1.offset| 0)) (.cse0 (mod (div 2147483647 .cse3) 4294967296)) (.cse4 (select |c_#length| |c_ULTIMATE.start_main_~arr2~0#1.base|)) (.cse5 (not (= |c_ULTIMATE.start_main_~arr2~0#1.base| |c_ULTIMATE.start_main_~arr~0#1.base|))) (.cse2 (select |c_#length| |c_ULTIMATE.start_main_~arr~0#1.base|)) (.cse7 (<= 0 |c_ULTIMATE.start_main_~arr~0#1.offset|)) (.cse8 (= |c_ULTIMATE.start_main_~i~0#1| 1))) (and (or (= |c_ULTIMATE.start_main_~fac~0#1| 1) (and (<= |c_ULTIMATE.start_main_~fac~0#1| 2147483647) (<= 1 |c_ULTIMATE.start_main_~fac~0#1|) (<= (+ (mod |c_ULTIMATE.start_main_~fac~0#1| 4294967296) 1) .cse0))) (<= |c_ULTIMATE.start_main_~arr~0#1.offset| 0) .cse1 (= (store (store |c_#valid| |c_ULTIMATE.start_main_#t~malloc5#1.base| 0) |c_ULTIMATE.start_main_#t~malloc4#1.base| 0) |c_ULTIMATE.start_main_old_#valid#1|) (= (select |c_#valid| |c_ULTIMATE.start_main_~arr2~0#1.base|) 1) (= .cse2 .cse3) (= (* (mod (* |c_ULTIMATE.start_main_~fac~0#1| |c_ULTIMATE.start_main_~length~0#1|) 1073741824) 4) .cse4) (<= 1 |c_ULTIMATE.start_main_~length~0#1|) (not (= |c_ULTIMATE.start_main_#t~malloc4#1.base| |c_ULTIMATE.start_main_#t~malloc5#1.base|)) .cse5 (not (and .cse1 (or (exists ((v_z_5 Int) (v_y_5 Int)) (let ((.cse6 (+ v_z_5 (* v_y_5 4294967296)))) (and (<= 1 .cse6) (<= 0 v_z_5) (<= (* (mod (* v_z_5 |c_ULTIMATE.start_main_~length~0#1|) 1073741824) 4) .cse4) (<= (+ v_z_5 1) .cse0) (<= .cse6 2147483647)))) (< .cse3 (+ .cse4 1))) .cse5 (<= (+ |c_ULTIMATE.start_main_~arr~0#1.offset| 4) .cse2) .cse7 (<= .cse2 .cse3) .cse8)) .cse7 (= (select |c_#valid| |c_ULTIMATE.start_main_~arr~0#1.base|) 1) (<= (div |c_ULTIMATE.start_main_~length~0#1| 1073741824) 0) .cse8))) is different from false [2024-12-06 02:52:16,009 WARN L873 $PredicateComparison]: unable to prove that (not (let ((.cse3 (* (mod |c_ULTIMATE.start_main_~length~0#1| 1073741824) 4))) (let ((.cse1 (= |c_ULTIMATE.start_main_~arr2~0#1.offset| 0)) (.cse0 (mod (div 2147483647 .cse3) 4294967296)) (.cse4 (select |c_#length| |c_ULTIMATE.start_main_~arr2~0#1.base|)) (.cse5 (not (= |c_ULTIMATE.start_main_~arr2~0#1.base| |c_ULTIMATE.start_main_~arr~0#1.base|))) (.cse2 (select |c_#length| |c_ULTIMATE.start_main_~arr~0#1.base|)) (.cse7 (<= 0 |c_ULTIMATE.start_main_~arr~0#1.offset|)) (.cse8 (= |c_ULTIMATE.start_main_~i~0#1| 1))) (and (or (= |c_ULTIMATE.start_main_~fac~0#1| 1) (and (<= |c_ULTIMATE.start_main_~fac~0#1| 2147483647) (<= 1 |c_ULTIMATE.start_main_~fac~0#1|) (<= (+ (mod |c_ULTIMATE.start_main_~fac~0#1| 4294967296) 1) .cse0))) (<= |c_ULTIMATE.start_main_~arr~0#1.offset| 0) .cse1 (= (store (store |c_#valid| |c_ULTIMATE.start_main_#t~malloc5#1.base| 0) |c_ULTIMATE.start_main_#t~malloc4#1.base| 0) |c_ULTIMATE.start_main_old_#valid#1|) (= (select |c_#valid| |c_ULTIMATE.start_main_~arr2~0#1.base|) 1) (= .cse2 .cse3) (= (* (mod (* |c_ULTIMATE.start_main_~fac~0#1| |c_ULTIMATE.start_main_~length~0#1|) 1073741824) 4) .cse4) (<= 1 |c_ULTIMATE.start_main_~length~0#1|) (not (= |c_ULTIMATE.start_main_#t~malloc4#1.base| |c_ULTIMATE.start_main_#t~malloc5#1.base|)) .cse5 (not (and .cse1 (or (exists ((v_z_5 Int) (v_y_5 Int)) (let ((.cse6 (+ v_z_5 (* v_y_5 4294967296)))) (and (<= 1 .cse6) (<= 0 v_z_5) (<= (* (mod (* v_z_5 |c_ULTIMATE.start_main_~length~0#1|) 1073741824) 4) .cse4) (<= (+ v_z_5 1) .cse0) (<= .cse6 2147483647)))) (< .cse3 (+ .cse4 1))) .cse5 (<= (+ |c_ULTIMATE.start_main_~arr~0#1.offset| 4) .cse2) .cse7 (<= .cse2 .cse3) .cse8)) .cse7 (= (select |c_#valid| |c_ULTIMATE.start_main_~arr~0#1.base|) 1) (<= (div |c_ULTIMATE.start_main_~length~0#1| 1073741824) 0) .cse8)))) is different from true [2024-12-06 02:52:29,828 WARN L286 SmtUtils]: Spent 10.09s on a formula simplification that was a NOOP. DAG size: 49 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 02:52:51,108 WARN L286 SmtUtils]: Spent 10.08s on a formula simplification that was a NOOP. DAG size: 49 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 02:53:03,589 WARN L286 SmtUtils]: Spent 11.37s on a formula simplification. DAG size of input: 93 DAG size of output: 73 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 02:53:58,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:53:58,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 51 states and 134 transitions. [2024-12-06 02:53:58,062 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 134 transitions. [2024-12-06 02:53:58,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-06 02:53:58,062 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:53:58,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:53:58,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:53:58,083 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 02:54:14,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:54:14,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 51 states and 133 transitions. [2024-12-06 02:54:14,317 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 133 transitions. [2024-12-06 02:54:14,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-06 02:54:14,318 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:54:14,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:54:14,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:54:21,389 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:54:45,815 WARN L249 Executor]: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12df7e41-9bf4-4735-936c-e425abe6fbd2/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1) with exit command (exit)) stderr output: (error "out of memory") [2024-12-06 02:54:45,816 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12df7e41-9bf4-4735-936c-e425abe6fbd2/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 101 [2024-12-06 02:54:45,816 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12df7e41-9bf4-4735-936c-e425abe6fbd2/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:281) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:155) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.checkSat(ManagedScript.java:148) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.MonolithicImplicationChecker.checkImplication(MonolithicImplicationChecker.java:85) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.compare(PredicateUnifier.java:842) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.(PredicateUnifier.java:786) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:374) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicateForConjunction(PredicateUnifier.java:244) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeChecker.conjugatePredicates(CodeChecker.java:89) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.kojak.UltimateChecker.splitNode(UltimateChecker.java:105) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.kojak.UltimateChecker.codeCheck(UltimateChecker.java:95) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:469) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$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) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1518) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:701) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:258) ... 27 more [2024-12-06 02:54:45,819 INFO L158 Benchmark]: Toolchain (without parser) took 903591.78ms. Allocated memory was 142.6MB in the beginning and 302.0MB in the end (delta: 159.4MB). Free memory was 115.9MB in the beginning and 96.5MB in the end (delta: 19.5MB). Peak memory consumption was 175.5MB. Max. memory is 16.1GB. [2024-12-06 02:54:45,819 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 142.6MB. Free memory is still 83.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:54:45,820 INFO L158 Benchmark]: CACSL2BoogieTranslator took 327.89ms. Allocated memory is still 142.6MB. Free memory was 115.9MB in the beginning and 99.6MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 02:54:45,820 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.93ms. Allocated memory is still 142.6MB. Free memory was 99.3MB in the beginning and 98.0MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:54:45,820 INFO L158 Benchmark]: Boogie Preprocessor took 21.37ms. Allocated memory is still 142.6MB. Free memory was 98.0MB in the beginning and 96.9MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:54:45,820 INFO L158 Benchmark]: RCFGBuilder took 368.70ms. Allocated memory is still 142.6MB. Free memory was 96.9MB in the beginning and 79.2MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 02:54:45,820 INFO L158 Benchmark]: CodeCheck took 902838.47ms. Allocated memory was 142.6MB in the beginning and 302.0MB in the end (delta: 159.4MB). Free memory was 79.2MB in the beginning and 96.5MB in the end (delta: -17.3MB). Peak memory consumption was 141.9MB. Max. memory is 16.1GB. [2024-12-06 02:54:45,822 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12df7e41-9bf4-4735-936c-e425abe6fbd2/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12df7e41-9bf4-4735-936c-e425abe6fbd2/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 142.6MB. Free memory is still 83.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 327.89ms. Allocated memory is still 142.6MB. Free memory was 115.9MB in the beginning and 99.6MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.93ms. Allocated memory is still 142.6MB. Free memory was 99.3MB in the beginning and 98.0MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 21.37ms. Allocated memory is still 142.6MB. Free memory was 98.0MB in the beginning and 96.9MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 368.70ms. Allocated memory is still 142.6MB. Free memory was 96.9MB in the beginning and 79.2MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 902838.47ms. Allocated memory was 142.6MB in the beginning and 302.0MB in the end (delta: 159.4MB). Free memory was 79.2MB in the beginning and 96.5MB in the end (delta: -17.3MB). Peak memory consumption was 141.9MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. 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_12df7e41-9bf4-4735-936c-e425abe6fbd2/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12df7e41-9bf4-4735-936c-e425abe6fbd2/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12df7e41-9bf4-4735-936c-e425abe6fbd2/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12df7e41-9bf4-4735-936c-e425abe6fbd2/bin/ukojak-verify-CZk0znPC7b/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/mult_array-alloca-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12df7e41-9bf4-4735-936c-e425abe6fbd2/bin/ukojak-verify-CZk0znPC7b/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12df7e41-9bf4-4735-936c-e425abe6fbd2/bin/ukojak-verify-CZk0znPC7b --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 516828c2d0e4e4ea6fd7a5826d09ca378c2c75a9f8159cf96c4b4e28ff76714b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 02:54:47,533 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 02:54:47,611 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12df7e41-9bf4-4735-936c-e425abe6fbd2/bin/ukojak-verify-CZk0znPC7b/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2024-12-06 02:54:47,635 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 02:54:47,636 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 02:54:47,636 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 02:54:47,637 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 02:54:47,637 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 02:54:47,637 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 02:54:47,637 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 02:54:47,637 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 02:54:47,637 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-12-06 02:54:47,637 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-12-06 02:54:47,638 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-12-06 02:54:47,638 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 02:54:47,638 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 02:54:47,638 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 02:54:47,638 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 02:54:47,638 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 02:54:47,638 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 02:54:47,638 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 02:54:47,638 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 02:54:47,638 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 02:54:47,639 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 02:54:47,639 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 02:54:47,639 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 02:54:47,639 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 02:54:47,639 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 02:54:47,639 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:54:47,639 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 02:54:47,639 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 02:54:47,640 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 02:54:47,640 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 02:54:47,640 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 02:54:47,640 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_12df7e41-9bf4-4735-936c-e425abe6fbd2/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G 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 -> 516828c2d0e4e4ea6fd7a5826d09ca378c2c75a9f8159cf96c4b4e28ff76714b [2024-12-06 02:54:47,857 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 02:54:47,864 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 02:54:47,865 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 02:54:47,866 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 02:54:47,867 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 02:54:47,868 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12df7e41-9bf4-4735-936c-e425abe6fbd2/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/array-memsafety/mult_array-alloca-1.i [2024-12-06 02:54:50,527 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12df7e41-9bf4-4735-936c-e425abe6fbd2/bin/ukojak-verify-CZk0znPC7b/data/391df011d/7ff63aebd4c9446495716c523446a74b/FLAG33b9419e7 [2024-12-06 02:54:50,759 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 02:54:50,760 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12df7e41-9bf4-4735-936c-e425abe6fbd2/sv-benchmarks/c/array-memsafety/mult_array-alloca-1.i [2024-12-06 02:54:50,772 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12df7e41-9bf4-4735-936c-e425abe6fbd2/bin/ukojak-verify-CZk0znPC7b/data/391df011d/7ff63aebd4c9446495716c523446a74b/FLAG33b9419e7 [2024-12-06 02:54:50,787 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12df7e41-9bf4-4735-936c-e425abe6fbd2/bin/ukojak-verify-CZk0znPC7b/data/391df011d/7ff63aebd4c9446495716c523446a74b [2024-12-06 02:54:50,790 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 02:54:50,791 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 02:54:50,793 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 02:54:50,793 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 02:54:50,797 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 02:54:50,798 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:54:50" (1/1) ... [2024-12-06 02:54:50,799 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c79dd60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:54:50, skipping insertion in model container [2024-12-06 02:54:50,799 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:54:50" (1/1) ... [2024-12-06 02:54:50,824 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 02:54:51,049 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:54:51,060 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 02:54:51,094 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:54:51,122 INFO L204 MainTranslator]: Completed translation [2024-12-06 02:54:51,122 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:54:51 WrapperNode [2024-12-06 02:54:51,122 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 02:54:51,123 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 02:54:51,123 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 02:54:51,123 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 02:54:51,130 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:54:51" (1/1) ... [2024-12-06 02:54:51,141 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:54:51" (1/1) ... [2024-12-06 02:54:51,158 INFO L138 Inliner]: procedures = 116, calls = 13, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 58 [2024-12-06 02:54:51,158 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 02:54:51,158 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 02:54:51,159 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 02:54:51,159 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 02:54:51,166 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:54:51" (1/1) ... [2024-12-06 02:54:51,166 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:54:51" (1/1) ... [2024-12-06 02:54:51,168 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:54:51" (1/1) ... [2024-12-06 02:54:51,168 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:54:51" (1/1) ... [2024-12-06 02:54:51,173 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:54:51" (1/1) ... [2024-12-06 02:54:51,173 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:54:51" (1/1) ... [2024-12-06 02:54:51,176 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:54:51" (1/1) ... [2024-12-06 02:54:51,178 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:54:51" (1/1) ... [2024-12-06 02:54:51,178 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:54:51" (1/1) ... [2024-12-06 02:54:51,180 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 02:54:51,181 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 02:54:51,181 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 02:54:51,182 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 02:54:51,183 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:54:51" (1/1) ... [2024-12-06 02:54:51,188 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:54:51,200 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12df7e41-9bf4-4735-936c-e425abe6fbd2/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 02:54:51,212 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12df7e41-9bf4-4735-936c-e425abe6fbd2/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 02:54:51,214 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12df7e41-9bf4-4735-936c-e425abe6fbd2/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 02:54:51,238 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-12-06 02:54:51,238 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-06 02:54:51,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-12-06 02:54:51,238 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-06 02:54:51,238 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 02:54:51,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 02:54:51,312 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 02:54:51,313 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 02:54:51,564 INFO L? ?]: Removed 28 outVars from TransFormulas that were not future-live. [2024-12-06 02:54:51,564 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 02:54:51,615 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 02:54:51,615 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-06 02:54:51,615 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:54:51 BoogieIcfgContainer [2024-12-06 02:54:51,615 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 02:54:51,616 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 02:54:51,616 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 02:54:51,625 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 02:54:51,625 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:54:51" (1/1) ... [2024-12-06 02:54:51,633 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 02:54:51,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:54:51,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2024-12-06 02:54:51,668 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2024-12-06 02:54:51,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-06 02:54:51,669 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:54:51,670 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:54:51,670 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12df7e41-9bf4-4735-936c-e425abe6fbd2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:54:51,672 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12df7e41-9bf4-4735-936c-e425abe6fbd2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:54:51,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12df7e41-9bf4-4735-936c-e425abe6fbd2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 02:54:51,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:54:51,834 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:54:51,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:54:51,878 INFO L256 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 02:54:51,881 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:54:51,938 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:54:51,941 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12df7e41-9bf4-4735-936c-e425abe6fbd2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 02:54:52,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:54:52,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 16 states and 17 transitions. [2024-12-06 02:54:52,066 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2024-12-06 02:54:52,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 02:54:52,066 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:54:52,067 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:54:52,067 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12df7e41-9bf4-4735-936c-e425abe6fbd2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:54:52,069 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12df7e41-9bf4-4735-936c-e425abe6fbd2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:54:52,071 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12df7e41-9bf4-4735-936c-e425abe6fbd2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 02:54:52,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:54:52,197 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:54:52,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:54:52,225 INFO L256 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 02:54:52,227 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:54:52,273 INFO L349 Elim1Store]: treesize reduction 19, result has 26.9 percent of original size [2024-12-06 02:54:52,274 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 15 [2024-12-06 02:54:52,298 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:54:52,301 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12df7e41-9bf4-4735-936c-e425abe6fbd2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-06 02:54:52,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:54:52,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 15 states and 16 transitions. [2024-12-06 02:54:52,526 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2024-12-06 02:54:52,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 02:54:52,527 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:54:52,527 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:54:52,527 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12df7e41-9bf4-4735-936c-e425abe6fbd2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:54:52,529 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12df7e41-9bf4-4735-936c-e425abe6fbd2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:54:52,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12df7e41-9bf4-4735-936c-e425abe6fbd2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-06 02:54:52,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:54:52,709 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported