./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-15/array20_alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 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_9699ac57-8287-49d9-9590-aa9b3ad811e7/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9699ac57-8287-49d9-9590-aa9b3ad811e7/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9699ac57-8287-49d9-9590-aa9b3ad811e7/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9699ac57-8287-49d9-9590-aa9b3ad811e7/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-15/array20_alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9699ac57-8287-49d9-9590-aa9b3ad811e7/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9699ac57-8287-49d9-9590-aa9b3ad811e7/bin/ukojak-verify-ImItNfHLgk --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash ea5bfa8a156bc44b081b7e322054bf4f8b50233fa79918ee2b9ae09354893d3a --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:41:35,620 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:41:35,706 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9699ac57-8287-49d9-9590-aa9b3ad811e7/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-09 00:41:35,713 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 00:41:35,713 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-09 00:41:35,753 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:41:35,754 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:41:35,754 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:41:35,755 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:41:35,755 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:41:35,755 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:41:35,757 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:41:35,758 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 00:41:35,758 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:41:35,758 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:41:35,761 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:41:35,761 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:41:35,762 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:41:35,762 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 00:41:35,763 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 00:41:35,763 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:41:35,767 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:41:35,767 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:41:35,767 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:41:35,768 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:41:35,768 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:41:35,768 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:41:35,768 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:41:35,769 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:41:35,769 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:41:35,769 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-09 00:41:35,769 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 00:41:35,771 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_9699ac57-8287-49d9-9590-aa9b3ad811e7/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9699ac57-8287-49d9-9590-aa9b3ad811e7/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ea5bfa8a156bc44b081b7e322054bf4f8b50233fa79918ee2b9ae09354893d3a [2024-11-09 00:41:36,023 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:41:36,073 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:41:36,076 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:41:36,082 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:41:36,083 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:41:36,084 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9699ac57-8287-49d9-9590-aa9b3ad811e7/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/termination-15/array20_alloca.i Unable to find full path for "g++" [2024-11-09 00:41:38,106 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:41:38,321 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:41:38,326 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9699ac57-8287-49d9-9590-aa9b3ad811e7/sv-benchmarks/c/termination-15/array20_alloca.i [2024-11-09 00:41:38,337 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9699ac57-8287-49d9-9590-aa9b3ad811e7/bin/ukojak-verify-ImItNfHLgk/data/edf94b06c/97b0fd3ca074499dbdaa8fc2fb29141a/FLAG0b64d2e01 [2024-11-09 00:41:38,353 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9699ac57-8287-49d9-9590-aa9b3ad811e7/bin/ukojak-verify-ImItNfHLgk/data/edf94b06c/97b0fd3ca074499dbdaa8fc2fb29141a [2024-11-09 00:41:38,356 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:41:38,357 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:41:38,361 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:41:38,361 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:41:38,367 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:41:38,368 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:41:38" (1/1) ... [2024-11-09 00:41:38,371 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c72b078 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:41:38, skipping insertion in model container [2024-11-09 00:41:38,372 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:41:38" (1/1) ... [2024-11-09 00:41:38,421 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:41:38,910 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:41:38,920 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:41:38,986 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:41:39,019 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:41:39,019 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:41:39 WrapperNode [2024-11-09 00:41:39,019 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:41:39,021 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:41:39,021 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:41:39,021 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:41:39,029 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:41:39" (1/1) ... [2024-11-09 00:41:39,042 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:41:39" (1/1) ... [2024-11-09 00:41:39,060 INFO L138 Inliner]: procedures = 151, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 52 [2024-11-09 00:41:39,061 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:41:39,062 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:41:39,062 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:41:39,062 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:41:39,069 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:41:39" (1/1) ... [2024-11-09 00:41:39,070 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:41:39" (1/1) ... [2024-11-09 00:41:39,071 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:41:39" (1/1) ... [2024-11-09 00:41:39,072 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:41:39" (1/1) ... [2024-11-09 00:41:39,076 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:41:39" (1/1) ... [2024-11-09 00:41:39,080 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:41:39" (1/1) ... [2024-11-09 00:41:39,081 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:41:39" (1/1) ... [2024-11-09 00:41:39,082 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:41:39" (1/1) ... [2024-11-09 00:41:39,083 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:41:39,084 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:41:39,085 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:41:39,085 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:41:39,086 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:41:39" (1/1) ... [2024-11-09 00:41:39,093 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:41:39,110 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9699ac57-8287-49d9-9590-aa9b3ad811e7/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:41:39,125 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9699ac57-8287-49d9-9590-aa9b3ad811e7/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:41:39,128 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9699ac57-8287-49d9-9590-aa9b3ad811e7/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:41:39,163 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 00:41:39,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-09 00:41:39,164 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 00:41:39,164 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 00:41:39,164 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:41:39,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:41:39,253 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:41:39,255 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:41:39,430 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-11-09 00:41:39,430 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:41:39,502 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:41:39,502 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 00:41:39,502 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:41:39 BoogieIcfgContainer [2024-11-09 00:41:39,502 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:41:39,503 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:41:39,503 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:41:39,517 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:41:39,517 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:41:39" (1/1) ... [2024-11-09 00:41:39,527 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:41:39,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:41:39,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2024-11-09 00:41:39,586 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2024-11-09 00:41:39,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-09 00:41:39,588 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:41:39,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:41:39,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:41:39,964 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:41:40,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:41:40,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 21 states and 28 transitions. [2024-11-09 00:41:40,048 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2024-11-09 00:41:40,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-09 00:41:40,049 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:41:40,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:41:40,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:41:40,184 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:41:40,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:41:40,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 22 states and 29 transitions. [2024-11-09 00:41:40,213 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 29 transitions. [2024-11-09 00:41:40,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-09 00:41:40,213 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:41:40,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:41:40,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:41:40,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:41:40,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:41:40,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 24 states and 34 transitions. [2024-11-09 00:41:40,482 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 34 transitions. [2024-11-09 00:41:40,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-09 00:41:40,484 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:41:40,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:41:40,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:41:40,614 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:41:40,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:41:40,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 27 states and 40 transitions. [2024-11-09 00:41:40,793 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 40 transitions. [2024-11-09 00:41:40,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-09 00:41:40,795 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:41:40,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:41:40,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:41:40,931 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:41:41,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:41:41,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 31 states and 48 transitions. [2024-11-09 00:41:41,158 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 48 transitions. [2024-11-09 00:41:41,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-09 00:41:41,159 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:41:41,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:41:41,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:41:41,342 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:41:41,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:41:41,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 33 states and 53 transitions. [2024-11-09 00:41:41,566 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 53 transitions. [2024-11-09 00:41:41,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 00:41:41,568 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:41:41,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:41:41,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:41:41,714 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:41:41,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:41:41,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 29 states and 45 transitions. [2024-11-09 00:41:41,758 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 45 transitions. [2024-11-09 00:41:41,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-09 00:41:41,759 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:41:41,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:41:41,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:41:41,895 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:41:42,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:41:42,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 33 states and 55 transitions. [2024-11-09 00:41:42,132 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 55 transitions. [2024-11-09 00:41:42,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-09 00:41:42,133 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:41:42,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:41:42,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:41:42,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:41:42,210 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-09 00:41:42,219 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:41:42,551 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 38 [2024-11-09 00:41:42,627 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 00:41:42,629 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2024-11-09 00:41:42,645 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 16 treesize of output 5 [2024-11-09 00:41:42,826 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 15 treesize of output 7 [2024-11-09 00:41:42,873 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:41:44,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:41:44,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 37 states and 65 transitions. [2024-11-09 00:41:44,341 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 65 transitions. [2024-11-09 00:41:44,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-09 00:41:44,341 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:41:44,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:41:44,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:41:44,443 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-09 00:41:44,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:41:44,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 37 states and 61 transitions. [2024-11-09 00:41:44,694 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 61 transitions. [2024-11-09 00:41:44,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-09 00:41:44,694 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:41:44,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:41:44,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:41:44,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:41:44,745 INFO L255 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-09 00:41:44,747 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:41:44,820 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 38 [2024-11-09 00:41:44,829 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 00:41:44,830 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2024-11-09 00:41:44,851 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 16 treesize of output 5 [2024-11-09 00:41:45,074 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 22 treesize of output 10 [2024-11-09 00:41:45,146 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:41:46,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:41:46,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-09 00:41:46,885 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-09 00:41:46,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-09 00:41:46,886 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:41:46,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:41:46,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:41:47,098 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:41:47,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:41:47,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 46 states and 90 transitions. [2024-11-09 00:41:47,558 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 90 transitions. [2024-11-09 00:41:47,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-09 00:41:47,559 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:41:47,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:41:47,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:41:47,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:41:47,631 INFO L255 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-09 00:41:47,634 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:41:47,698 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-09 00:41:47,706 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 15 treesize of output 1 [2024-11-09 00:41:47,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 00:41:47,942 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 59 [2024-11-09 00:41:47,969 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 29 treesize of output 17 [2024-11-09 00:41:47,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 00:41:47,980 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2024-11-09 00:41:48,007 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 00:41:48,008 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2024-11-09 00:41:48,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 00:41:48,014 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 14 [2024-11-09 00:41:48,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 00:41:48,575 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 00:41:48,576 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 10 [2024-11-09 00:41:48,583 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:41:50,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:41:50,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 46 states and 89 transitions. [2024-11-09 00:41:50,401 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 89 transitions. [2024-11-09 00:41:50,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-09 00:41:50,402 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:41:50,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:41:50,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:41:50,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:41:50,455 INFO L255 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-09 00:41:50,458 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:41:50,503 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-09 00:41:50,511 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 15 treesize of output 1 [2024-11-09 00:41:51,258 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 15 treesize of output 7 [2024-11-09 00:41:51,263 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:41:54,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:41:54,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 52 states and 106 transitions. [2024-11-09 00:41:54,148 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 106 transitions. [2024-11-09 00:41:54,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-09 00:41:54,149 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:41:54,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:41:54,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:41:54,178 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-09 00:41:54,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:41:54,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 52 states and 100 transitions. [2024-11-09 00:41:54,498 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 100 transitions. [2024-11-09 00:41:54,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-09 00:41:54,499 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:41:54,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:41:54,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:41:54,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:41:54,539 INFO L255 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-09 00:41:54,542 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:41:54,587 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 38 [2024-11-09 00:41:54,607 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 00:41:54,608 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2024-11-09 00:41:54,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 00:41:54,931 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 62 [2024-11-09 00:41:54,958 WARN L214 Elim1Store]: Array PQE input equivalent to false [2024-11-09 00:41:54,961 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 00:41:54,962 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2024-11-09 00:41:54,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 00:41:54,968 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 17 [2024-11-09 00:41:55,026 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 22 treesize of output 10 [2024-11-09 00:41:55,034 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:41:56,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:41:56,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 52 states and 99 transitions. [2024-11-09 00:41:56,655 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 99 transitions. [2024-11-09 00:41:56,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-09 00:41:56,656 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:41:56,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:41:56,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:41:56,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:41:56,701 INFO L255 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-09 00:41:56,703 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:41:56,851 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-09 00:41:56,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 00:41:56,857 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 11 treesize of output 1 [2024-11-09 00:41:57,947 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:42:01,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:42:01,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 53 states and 96 transitions. [2024-11-09 00:42:01,122 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 96 transitions. [2024-11-09 00:42:01,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-09 00:42:01,125 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:42:01,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:42:01,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:01,498 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:42:02,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:42:02,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 57 states and 112 transitions. [2024-11-09 00:42:02,084 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 112 transitions. [2024-11-09 00:42:02,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:42:02,085 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:42:02,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:42:02,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:42:02,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:02,146 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-09 00:42:02,149 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:42:02,193 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 38 [2024-11-09 00:42:02,211 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 00:42:02,212 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2024-11-09 00:42:02,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 00:42:02,261 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 59 [2024-11-09 00:42:02,279 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 29 treesize of output 17 [2024-11-09 00:42:02,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 00:42:02,286 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2024-11-09 00:42:02,304 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 00:42:02,305 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2024-11-09 00:42:02,310 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 15 treesize of output 11 [2024-11-09 00:42:02,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 00:42:02,685 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 59 [2024-11-09 00:42:02,703 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 00:42:02,704 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2024-11-09 00:42:02,709 WARN L214 Elim1Store]: Array PQE input equivalent to false [2024-11-09 00:42:02,716 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 36 treesize of output 22 [2024-11-09 00:42:02,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 00:42:02,723 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 14 [2024-11-09 00:42:03,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 00:42:03,434 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 00:42:03,435 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 10 [2024-11-09 00:42:03,440 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 4 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:42:06,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:42:06,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 57 states and 111 transitions. [2024-11-09 00:42:06,755 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 111 transitions. [2024-11-09 00:42:06,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:42:06,755 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:42:06,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:42:06,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:42:06,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:06,806 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-09 00:42:06,809 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:42:07,129 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 42 [2024-11-09 00:42:07,147 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 18 treesize of output 7 [2024-11-09 00:42:07,171 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 7 treesize of output 3 [2024-11-09 00:42:08,922 INFO L349 Elim1Store]: treesize reduction 8, result has 68.0 percent of original size [2024-11-09 00:42:08,922 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 26 treesize of output 26 [2024-11-09 00:42:09,158 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:42:19,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:42:19,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 65 states and 132 transitions. [2024-11-09 00:42:19,119 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 132 transitions. [2024-11-09 00:42:19,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-09 00:42:19,120 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:42:19,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:42:19,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:19,182 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-09 00:42:19,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:42:19,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 65 states and 125 transitions. [2024-11-09 00:42:19,710 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 125 transitions. [2024-11-09 00:42:19,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-09 00:42:19,710 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:42:19,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:42:19,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:42:19,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:19,763 INFO L255 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-09 00:42:19,766 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:42:19,806 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 38 [2024-11-09 00:42:19,827 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 16 treesize of output 5 [2024-11-09 00:42:19,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 00:42:19,880 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 62 [2024-11-09 00:42:19,915 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 29 treesize of output 17 [2024-11-09 00:42:19,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 00:42:19,921 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2024-11-09 00:42:19,938 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 00:42:19,939 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2024-11-09 00:42:19,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 00:42:19,949 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 17 [2024-11-09 00:42:20,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 00:42:20,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 00:42:20,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 00:42:20,615 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 00:42:20,616 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 59 treesize of output 83 [2024-11-09 00:42:20,688 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 00:42:20,689 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2024-11-09 00:42:20,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 00:42:20,696 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 26 [2024-11-09 00:42:20,713 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 44 treesize of output 30 [2024-11-09 00:42:20,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 00:42:20,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 00:42:20,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 00:42:20,727 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 20 [2024-11-09 00:42:21,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 00:42:21,443 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 00:42:21,444 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 13 [2024-11-09 00:42:21,454 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 4 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:42:25,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:42:25,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 65 states and 124 transitions. [2024-11-09 00:42:25,234 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 124 transitions. [2024-11-09 00:42:25,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-09 00:42:25,235 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:42:25,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:42:25,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:42:25,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:42:25,295 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:42:25,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:42:25,344 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 23 iterations. [2024-11-09 00:42:25,404 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 12:42:25 ImpRootNode [2024-11-09 00:42:25,404 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-09 00:42:25,404 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 00:42:25,405 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 00:42:25,405 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 00:42:25,405 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:41:39" (3/4) ... [2024-11-09 00:42:25,406 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-09 00:42:25,474 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9699ac57-8287-49d9-9590-aa9b3ad811e7/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-09 00:42:25,474 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 00:42:25,475 INFO L158 Benchmark]: Toolchain (without parser) took 47117.72ms. Allocated memory was 142.6MB in the beginning and 264.2MB in the end (delta: 121.6MB). Free memory was 80.6MB in the beginning and 139.9MB in the end (delta: -59.3MB). Peak memory consumption was 63.5MB. Max. memory is 16.1GB. [2024-11-09 00:42:25,478 INFO L158 Benchmark]: CDTParser took 0.94ms. Allocated memory is still 142.6MB. Free memory is still 118.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:42:25,478 INFO L158 Benchmark]: CACSL2BoogieTranslator took 659.18ms. Allocated memory is still 142.6MB. Free memory was 80.5MB in the beginning and 102.2MB in the end (delta: -21.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-09 00:42:25,479 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.65ms. Allocated memory is still 142.6MB. Free memory was 102.2MB in the beginning and 100.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:42:25,479 INFO L158 Benchmark]: Boogie Preprocessor took 21.87ms. Allocated memory is still 142.6MB. Free memory was 100.6MB in the beginning and 99.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:42:25,479 INFO L158 Benchmark]: RCFGBuilder took 418.20ms. Allocated memory is still 142.6MB. Free memory was 99.0MB in the beginning and 85.4MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-09 00:42:25,480 INFO L158 Benchmark]: CodeCheck took 45900.75ms. Allocated memory was 142.6MB in the beginning and 264.2MB in the end (delta: 121.6MB). Free memory was 85.4MB in the beginning and 142.0MB in the end (delta: -56.6MB). Peak memory consumption was 66.1MB. Max. memory is 16.1GB. [2024-11-09 00:42:25,480 INFO L158 Benchmark]: Witness Printer took 69.59ms. Allocated memory is still 264.2MB. Free memory was 142.0MB in the beginning and 139.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:42:25,481 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 1 procedures, 18 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 45.8s, OverallIterations: 23, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 8 mSolverCounterUnknown, 1516 SdHoareTripleChecker+Valid, 14.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1147 mSDsluCounter, 164 SdHoareTripleChecker+Invalid, 12.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 1384 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6735 IncrementalHoareTripleChecker+Invalid, 8127 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1384 mSolverCounterUnsat, 164 mSDtfsCounter, 6735 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3440 GetRequests, 2966 SyntacticMatches, 138 SemanticMatches, 336 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53142 ImplicationChecksByTransitivity, 38.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 11.7s InterpolantComputationTime, 378 NumberOfCodeBlocks, 378 NumberOfCodeBlocksAsserted, 23 NumberOfCheckSat, 332 ConstructedInterpolants, 32 QuantifiedInterpolants, 2800 SizeOfPredicates, 30 NumberOfNonLiveVariables, 774 ConjunctsInSsa, 199 ConjunctsInUnsatCore, 22 InterpolantComputations, 6 PerfectInterpolantSequences, 69/287 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 - CounterExampleResult [Line: 378]: integer overflow possible integer overflow possible We found a FailurePath: [L365] int i, j; [L366] int length = __VERIFIER_nondet_int(); [L367] COND FALSE !(length < 1) [L368] int *arr = __builtin_alloca(length*sizeof(int)); VAL [arr={2:0}, length=3] [L369] COND FALSE !(!arr) [L370] i=0 VAL [arr={2:0}, i=0, length=3] [L370] COND FALSE !(i