./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test22_1-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f639264-7bb0-4014-b4c8-123a442b6f91/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f639264-7bb0-4014-b4c8-123a442b6f91/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f639264-7bb0-4014-b4c8-123a442b6f91/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f639264-7bb0-4014-b4c8-123a442b6f91/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test22_1-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f639264-7bb0-4014-b4c8-123a442b6f91/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f639264-7bb0-4014-b4c8-123a442b6f91/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash aa61daf361995635005a262e43d385a4b2c55dcce46079a14f1db13e5b0af9cd --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 22:20:18,877 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 22:20:18,943 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f639264-7bb0-4014-b4c8-123a442b6f91/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-12-02 22:20:18,948 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 22:20:18,948 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 22:20:18,972 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 22:20:18,973 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 22:20:18,973 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 22:20:18,974 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 22:20:18,974 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 22:20:18,975 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 22:20:18,976 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 22:20:18,976 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 22:20:18,976 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 22:20:18,977 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 22:20:18,977 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 22:20:18,978 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 22:20:18,978 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 22:20:18,979 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 22:20:18,979 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 22:20:18,980 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 22:20:18,981 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 22:20:18,981 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 22:20:18,981 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 22:20:18,982 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 22:20:18,982 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 22:20:18,983 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 22:20:18,983 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 22:20:18,984 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:20:18,984 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 22:20:18,984 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 22:20:18,985 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 22:20:18,985 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 22:20:18,985 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 22:20:18,986 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 22:20:18,986 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f639264-7bb0-4014-b4c8-123a442b6f91/bin/ukojak-verify-Qdu7aM0XO9/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f639264-7bb0-4014-b4c8-123a442b6f91/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aa61daf361995635005a262e43d385a4b2c55dcce46079a14f1db13e5b0af9cd [2023-12-02 22:20:19,193 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 22:20:19,212 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 22:20:19,215 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 22:20:19,216 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 22:20:19,217 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 22:20:19,218 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f639264-7bb0-4014-b4c8-123a442b6f91/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/ldv-memsafety/memleaks_test22_1-1.i [2023-12-02 22:20:22,006 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 22:20:22,221 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 22:20:22,222 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f639264-7bb0-4014-b4c8-123a442b6f91/sv-benchmarks/c/ldv-memsafety/memleaks_test22_1-1.i [2023-12-02 22:20:22,238 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f639264-7bb0-4014-b4c8-123a442b6f91/bin/ukojak-verify-Qdu7aM0XO9/data/6e9e842cb/9cc56a1a806f42b0880ba96e68f6271d/FLAG4dfc08a9e [2023-12-02 22:20:22,254 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f639264-7bb0-4014-b4c8-123a442b6f91/bin/ukojak-verify-Qdu7aM0XO9/data/6e9e842cb/9cc56a1a806f42b0880ba96e68f6271d [2023-12-02 22:20:22,257 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 22:20:22,258 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 22:20:22,260 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 22:20:22,260 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 22:20:22,265 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 22:20:22,266 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:20:22" (1/1) ... [2023-12-02 22:20:22,268 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f743c01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:20:22, skipping insertion in model container [2023-12-02 22:20:22,268 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:20:22" (1/1) ... [2023-12-02 22:20:22,320 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 22:20:22,653 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:20:22,672 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 22:20:22,723 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:20:22,760 WARN L675 CHandler]: The function release is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:20:22,767 INFO L206 MainTranslator]: Completed translation [2023-12-02 22:20:22,768 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:20:22 WrapperNode [2023-12-02 22:20:22,768 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 22:20:22,769 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 22:20:22,769 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 22:20:22,770 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 22:20:22,777 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:20:22" (1/1) ... [2023-12-02 22:20:22,795 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:20:22" (1/1) ... [2023-12-02 22:20:22,822 INFO L138 Inliner]: procedures = 164, calls = 70, calls flagged for inlining = 24, calls inlined = 18, statements flattened = 122 [2023-12-02 22:20:22,823 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 22:20:22,823 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 22:20:22,824 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 22:20:22,824 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 22:20:22,833 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:20:22" (1/1) ... [2023-12-02 22:20:22,834 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:20:22" (1/1) ... [2023-12-02 22:20:22,838 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:20:22" (1/1) ... [2023-12-02 22:20:22,838 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:20:22" (1/1) ... [2023-12-02 22:20:22,848 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:20:22" (1/1) ... [2023-12-02 22:20:22,851 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:20:22" (1/1) ... [2023-12-02 22:20:22,853 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:20:22" (1/1) ... [2023-12-02 22:20:22,855 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:20:22" (1/1) ... [2023-12-02 22:20:22,859 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 22:20:22,860 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 22:20:22,860 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 22:20:22,860 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 22:20:22,861 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:20:22" (1/1) ... [2023-12-02 22:20:22,866 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:20:22,877 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f639264-7bb0-4014-b4c8-123a442b6f91/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 22:20:22,894 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f639264-7bb0-4014-b4c8-123a442b6f91/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 22:20:22,896 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f639264-7bb0-4014-b4c8-123a442b6f91/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 22:20:22,924 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 22:20:22,925 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2023-12-02 22:20:22,925 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2023-12-02 22:20:22,925 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-12-02 22:20:22,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-12-02 22:20:22,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 22:20:22,925 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-02 22:20:22,926 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 22:20:22,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-02 22:20:22,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-02 22:20:22,926 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 22:20:22,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-12-02 22:20:22,926 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 22:20:22,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 22:20:23,071 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 22:20:23,073 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 22:20:23,308 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 22:20:23,393 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 22:20:23,394 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 22:20:23,395 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:20:23 BoogieIcfgContainer [2023-12-02 22:20:23,396 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 22:20:23,397 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 22:20:23,397 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 22:20:23,407 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 22:20:23,407 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:20:23" (1/1) ... [2023-12-02 22:20:23,416 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 22:20:23,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:20:23,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 28 states and 33 transitions. [2023-12-02 22:20:23,466 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 33 transitions. [2023-12-02 22:20:23,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-02 22:20:23,468 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:20:23,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:20:23,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:20:23,788 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:20:23,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:20:23,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 30 states and 35 transitions. [2023-12-02 22:20:23,844 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 35 transitions. [2023-12-02 22:20:23,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-02 22:20:23,845 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:20:23,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:20:23,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:20:24,018 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:20:24,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:20:24,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 32 states and 37 transitions. [2023-12-02 22:20:24,155 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 37 transitions. [2023-12-02 22:20:24,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-02 22:20:24,156 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:20:24,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:20:24,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:20:24,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:20:24,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:20:24,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 33 states and 38 transitions. [2023-12-02 22:20:24,401 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 38 transitions. [2023-12-02 22:20:24,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-02 22:20:24,402 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:20:24,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:20:24,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:20:24,552 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:20:24,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:20:24,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 33 states and 36 transitions. [2023-12-02 22:20:24,734 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 36 transitions. [2023-12-02 22:20:24,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-02 22:20:24,734 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:20:24,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:20:24,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:20:24,863 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:20:25,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:20:25,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 34 states and 37 transitions. [2023-12-02 22:20:25,072 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 37 transitions. [2023-12-02 22:20:25,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-02 22:20:25,072 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:20:25,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:20:25,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:20:25,268 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:20:25,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:20:25,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 35 states and 39 transitions. [2023-12-02 22:20:25,787 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 39 transitions. [2023-12-02 22:20:25,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-02 22:20:25,788 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:20:25,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:20:25,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:20:26,016 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:20:26,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:20:26,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 36 states and 40 transitions. [2023-12-02 22:20:26,628 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 40 transitions. [2023-12-02 22:20:26,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-02 22:20:26,629 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:20:26,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:20:26,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:20:26,873 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:20:27,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:20:27,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 37 states and 41 transitions. [2023-12-02 22:20:27,526 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 41 transitions. [2023-12-02 22:20:27,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-02 22:20:27,527 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:20:27,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:20:27,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:20:27,814 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:20:28,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:20:28,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 38 states and 42 transitions. [2023-12-02 22:20:28,520 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 42 transitions. [2023-12-02 22:20:28,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-02 22:20:28,521 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:20:28,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:20:28,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:20:28,887 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:20:29,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:20:29,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 39 states and 43 transitions. [2023-12-02 22:20:29,528 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 43 transitions. [2023-12-02 22:20:29,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-02 22:20:29,529 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:20:29,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:20:29,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:20:29,871 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:20:30,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:20:30,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 40 states and 44 transitions. [2023-12-02 22:20:30,650 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 44 transitions. [2023-12-02 22:20:30,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-02 22:20:30,651 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:20:30,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:20:30,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:20:31,061 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:20:31,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:20:31,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 41 states and 45 transitions. [2023-12-02 22:20:31,844 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 45 transitions. [2023-12-02 22:20:31,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-02 22:20:31,844 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:20:31,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:20:31,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:20:32,298 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:20:33,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:20:33,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 42 states and 46 transitions. [2023-12-02 22:20:33,142 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 46 transitions. [2023-12-02 22:20:33,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-02 22:20:33,143 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:20:33,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:20:33,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:20:33,604 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:20:34,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:20:34,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 43 states and 47 transitions. [2023-12-02 22:20:34,485 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 47 transitions. [2023-12-02 22:20:34,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-02 22:20:34,486 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:20:34,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:20:34,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:20:34,923 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:20:35,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:20:35,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 44 states and 48 transitions. [2023-12-02 22:20:35,873 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 48 transitions. [2023-12-02 22:20:35,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-02 22:20:35,874 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:20:35,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:20:35,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:20:36,335 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:20:37,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:20:37,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 45 states and 49 transitions. [2023-12-02 22:20:37,347 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 49 transitions. [2023-12-02 22:20:37,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-02 22:20:37,348 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:20:37,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:20:37,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:20:37,956 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:20:39,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:20:39,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 46 states and 50 transitions. [2023-12-02 22:20:39,014 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 50 transitions. [2023-12-02 22:20:39,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-02 22:20:39,014 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:20:39,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:20:39,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:20:39,581 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:20:40,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:20:40,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 47 states and 51 transitions. [2023-12-02 22:20:40,570 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 51 transitions. [2023-12-02 22:20:40,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-02 22:20:40,571 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:20:40,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:20:40,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:20:41,156 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:20:42,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:20:42,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 48 states and 52 transitions. [2023-12-02 22:20:42,300 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 52 transitions. [2023-12-02 22:20:42,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 22:20:42,300 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:20:42,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:20:42,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:20:44,665 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:20:47,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:20:47,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 49 states and 53 transitions. [2023-12-02 22:20:47,184 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 53 transitions. [2023-12-02 22:20:47,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-12-02 22:20:47,184 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:20:47,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:20:47,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:20:51,586 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 130 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 22:21:06,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:21:06,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 64 states and 71 transitions. [2023-12-02 22:21:06,202 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 71 transitions. [2023-12-02 22:21:06,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-12-02 22:21:06,202 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:21:06,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:21:06,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:21:07,283 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 130 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 22:21:07,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:21:07,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 63 states and 70 transitions. [2023-12-02 22:21:07,330 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 70 transitions. [2023-12-02 22:21:07,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-12-02 22:21:07,330 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:21:07,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:21:07,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:21:10,172 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 130 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 22:21:14,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:21:14,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 62 states and 69 transitions. [2023-12-02 22:21:14,113 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 69 transitions. [2023-12-02 22:21:14,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-12-02 22:21:14,113 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:21:14,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:21:14,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:21:16,151 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 130 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 22:21:18,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:21:18,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 61 states and 68 transitions. [2023-12-02 22:21:18,950 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 68 transitions. [2023-12-02 22:21:18,950 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-02 22:21:18,950 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 25 iterations. [2023-12-02 22:21:18,957 INFO L751 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2023-12-02 22:21:19,740 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-02 22:21:19,744 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-02 22:21:19,744 INFO L560 CodeCheckObserver]: Invariant with dag size 17 [2023-12-02 22:21:19,746 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Expression ~v!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-12-02 22:21:19,747 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Expression ~v!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-12-02 22:21:19,747 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~kobj~2 [2023-12-02 22:21:19,748 INFO L560 CodeCheckObserver]: Invariant with dag size 89 [2023-12-02 22:21:19,752 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~kobj~1 [2023-12-02 22:21:19,752 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~kobj~1 [2023-12-02 22:21:19,753 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~kobj~1 [2023-12-02 22:21:19,753 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~kobj~1 [2023-12-02 22:21:19,754 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~kobj~1 [2023-12-02 22:21:19,754 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~kobj~1 [2023-12-02 22:21:19,755 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~kobj~1 [2023-12-02 22:21:19,755 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~kobj~1 [2023-12-02 22:21:19,756 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~kobj~1 [2023-12-02 22:21:19,756 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~kobj~1 [2023-12-02 22:21:19,757 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~kobj~1 [2023-12-02 22:21:19,757 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~kobj~1 [2023-12-02 22:21:19,757 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~kobj~1 [2023-12-02 22:21:19,758 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~kobj~1 [2023-12-02 22:21:19,758 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~kobj~1 [2023-12-02 22:21:19,759 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~kobj~1 [2023-12-02 22:21:19,759 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-02 22:21:19,759 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-02 22:21:19,759 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-02 22:21:19,760 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 10:21:19 ImpRootNode [2023-12-02 22:21:19,760 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 22:21:19,760 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 22:21:19,760 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 22:21:19,761 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 22:21:19,761 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:20:23" (3/4) ... [2023-12-02 22:21:19,763 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-02 22:21:19,765 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2023-12-02 22:21:19,765 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure LDV_INIT_LIST_HEAD [2023-12-02 22:21:19,771 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 39 nodes and edges [2023-12-02 22:21:19,772 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2023-12-02 22:21:19,772 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-12-02 22:21:19,772 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-02 22:21:19,861 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f639264-7bb0-4014-b4c8-123a442b6f91/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-02 22:21:19,862 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f639264-7bb0-4014-b4c8-123a442b6f91/bin/ukojak-verify-Qdu7aM0XO9/witness.yml [2023-12-02 22:21:19,862 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 22:21:19,863 INFO L158 Benchmark]: Toolchain (without parser) took 57604.33ms. Allocated memory was 161.5MB in the beginning and 599.8MB in the end (delta: 438.3MB). Free memory was 117.0MB in the beginning and 406.0MB in the end (delta: -289.0MB). Peak memory consumption was 150.2MB. Max. memory is 16.1GB. [2023-12-02 22:21:19,863 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 111.1MB. Free memory was 63.2MB in the beginning and 63.0MB in the end (delta: 134.3kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:21:19,864 INFO L158 Benchmark]: CACSL2BoogieTranslator took 508.53ms. Allocated memory is still 161.5MB. Free memory was 116.5MB in the beginning and 95.1MB in the end (delta: 21.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-12-02 22:21:19,864 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.67ms. Allocated memory is still 161.5MB. Free memory was 94.8MB in the beginning and 92.3MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 22:21:19,864 INFO L158 Benchmark]: Boogie Preprocessor took 35.67ms. Allocated memory is still 161.5MB. Free memory was 92.3MB in the beginning and 90.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 22:21:19,865 INFO L158 Benchmark]: RCFGBuilder took 535.89ms. Allocated memory was 161.5MB in the beginning and 239.1MB in the end (delta: 77.6MB). Free memory was 90.2MB in the beginning and 193.5MB in the end (delta: -103.3MB). Peak memory consumption was 19.8MB. Max. memory is 16.1GB. [2023-12-02 22:21:19,865 INFO L158 Benchmark]: CodeCheck took 56363.27ms. Allocated memory was 239.1MB in the beginning and 599.8MB in the end (delta: 360.7MB). Free memory was 192.5MB in the beginning and 412.3MB in the end (delta: -219.8MB). Peak memory consumption was 140.9MB. Max. memory is 16.1GB. [2023-12-02 22:21:19,865 INFO L158 Benchmark]: Witness Printer took 101.86ms. Allocated memory is still 599.8MB. Free memory was 412.3MB in the beginning and 406.0MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-12-02 22:21:19,867 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 3 procedures, 28 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 55.5s, OverallIterations: 25, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 962 SdHoareTripleChecker+Valid, 8.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 175 mSDsluCounter, 403 SdHoareTripleChecker+Invalid, 7.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 110 mSDsCounter, 2021 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3328 IncrementalHoareTripleChecker+Invalid, 5349 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2021 mSolverCounterUnsat, 293 mSDtfsCounter, 3328 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4165 GetRequests, 3599 SyntacticMatches, 166 SemanticMatches, 400 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68219 ImplicationChecksByTransitivity, 44.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 18.4s InterpolantComputationTime, 580 NumberOfCodeBlocks, 580 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 556 ConstructedInterpolants, 0 QuantifiedInterpolants, 3655 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 24 InterpolantComputations, 5 PerfectInterpolantSequences, 24/1224 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 659]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 659]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 667]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 667]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 721]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 728]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 659]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 738]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 717]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 667]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 111.1MB. Free memory was 63.2MB in the beginning and 63.0MB in the end (delta: 134.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 508.53ms. Allocated memory is still 161.5MB. Free memory was 116.5MB in the beginning and 95.1MB in the end (delta: 21.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.67ms. Allocated memory is still 161.5MB. Free memory was 94.8MB in the beginning and 92.3MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.67ms. Allocated memory is still 161.5MB. Free memory was 92.3MB in the beginning and 90.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 535.89ms. Allocated memory was 161.5MB in the beginning and 239.1MB in the end (delta: 77.6MB). Free memory was 90.2MB in the beginning and 193.5MB in the end (delta: -103.3MB). Peak memory consumption was 19.8MB. Max. memory is 16.1GB. * CodeCheck took 56363.27ms. Allocated memory was 239.1MB in the beginning and 599.8MB in the end (delta: 360.7MB). Free memory was 192.5MB in the beginning and 412.3MB in the end (delta: -219.8MB). Peak memory consumption was 140.9MB. Max. memory is 16.1GB. * Witness Printer took 101.86ms. Allocated memory is still 599.8MB. Free memory was 412.3MB in the beginning and 406.0MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression ~v!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression ~v!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~kobj~2 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~kobj~1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~kobj~1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~kobj~1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~kobj~1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~kobj~1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~kobj~1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~kobj~1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~kobj~1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~kobj~1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~kobj~1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~kobj~1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~kobj~1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~kobj~1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~kobj~1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~kobj~1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~kobj~1 RESULT: Ultimate proved your program to be correct! [2023-12-02 22:21:19,886 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f639264-7bb0-4014-b4c8-123a442b6f91/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE