./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/float-benchs/zonotope_2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43d76f68-e2c9-43c7-b75d-ce0b47a6440f/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43d76f68-e2c9-43c7-b75d-ce0b47a6440f/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_43d76f68-e2c9-43c7-b75d-ce0b47a6440f/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43d76f68-e2c9-43c7-b75d-ce0b47a6440f/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/zonotope_2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43d76f68-e2c9-43c7-b75d-ce0b47a6440f/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43d76f68-e2c9-43c7-b75d-ce0b47a6440f/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 32bit --witnessprinter.graph.data.programhash 194855cc593aace8a0b3bff26f13c89f126df5a7be0755153ae044c8b9c94359 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:57:17,002 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:57:17,094 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43d76f68-e2c9-43c7-b75d-ce0b47a6440f/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-11-09 00:57:17,098 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 00:57:17,099 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-09 00:57:17,133 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:57:17,133 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:57:17,136 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:57:17,137 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:57:17,138 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:57:17,138 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:57:17,138 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:57:17,139 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 00:57:17,139 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 00:57:17,139 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 00:57:17,140 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:57:17,142 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:57:17,143 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:57:17,143 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:57:17,143 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:57:17,144 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 00:57:17,148 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 00:57:17,148 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 00:57:17,149 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:57:17,149 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:57:17,149 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:57:17,149 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:57:17,150 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:57:17,150 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:57:17,150 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:57:17,150 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:57:17,151 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:57:17,151 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:57:17,164 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-09 00:57:17,165 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 00:57:17,165 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_43d76f68-e2c9-43c7-b75d-ce0b47a6440f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43d76f68-e2c9-43c7-b75d-ce0b47a6440f/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 194855cc593aace8a0b3bff26f13c89f126df5a7be0755153ae044c8b9c94359 [2024-11-09 00:57:17,417 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:57:17,454 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:57:17,456 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:57:17,458 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:57:17,458 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:57:17,460 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43d76f68-e2c9-43c7-b75d-ce0b47a6440f/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/float-benchs/zonotope_2.c Unable to find full path for "g++" [2024-11-09 00:57:19,580 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:57:19,745 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:57:19,746 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43d76f68-e2c9-43c7-b75d-ce0b47a6440f/sv-benchmarks/c/float-benchs/zonotope_2.c [2024-11-09 00:57:19,754 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43d76f68-e2c9-43c7-b75d-ce0b47a6440f/bin/ukojak-verify-ImItNfHLgk/data/f12e82efa/5875c950b72445e9ab0e7bc2e49e5f73/FLAG4fbfaf298 [2024-11-09 00:57:19,766 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43d76f68-e2c9-43c7-b75d-ce0b47a6440f/bin/ukojak-verify-ImItNfHLgk/data/f12e82efa/5875c950b72445e9ab0e7bc2e49e5f73 [2024-11-09 00:57:19,769 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:57:19,771 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:57:19,773 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:57:19,773 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:57:19,782 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:57:19,783 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:57:19" (1/1) ... [2024-11-09 00:57:19,786 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@305d4dfc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:57:19, skipping insertion in model container [2024-11-09 00:57:19,786 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:57:19" (1/1) ... [2024-11-09 00:57:19,807 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:57:20,068 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:57:20,079 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:57:20,098 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:57:20,116 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:57:20,116 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:57:20 WrapperNode [2024-11-09 00:57:20,116 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:57:20,118 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:57:20,118 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:57:20,118 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:57:20,125 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:57:20" (1/1) ... [2024-11-09 00:57:20,130 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:57:20" (1/1) ... [2024-11-09 00:57:20,144 INFO L138 Inliner]: procedures = 12, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 39 [2024-11-09 00:57:20,144 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:57:20,145 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:57:20,145 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:57:20,145 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:57:20,154 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:57:20" (1/1) ... [2024-11-09 00:57:20,155 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:57:20" (1/1) ... [2024-11-09 00:57:20,156 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:57:20" (1/1) ... [2024-11-09 00:57:20,156 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:57:20" (1/1) ... [2024-11-09 00:57:20,160 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:57:20" (1/1) ... [2024-11-09 00:57:20,163 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:57:20" (1/1) ... [2024-11-09 00:57:20,164 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:57:20" (1/1) ... [2024-11-09 00:57:20,165 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:57:20" (1/1) ... [2024-11-09 00:57:20,167 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:57:20,168 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:57:20,168 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:57:20,168 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:57:20,169 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:57:20" (1/1) ... [2024-11-09 00:57:20,175 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:57:20,188 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43d76f68-e2c9-43c7-b75d-ce0b47a6440f/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:57:20,203 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43d76f68-e2c9-43c7-b75d-ce0b47a6440f/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:57:20,207 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43d76f68-e2c9-43c7-b75d-ce0b47a6440f/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:57:20,233 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:57:20,233 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:57:20,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:57:20,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 00:57:20,234 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 00:57:20,234 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 00:57:20,291 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:57:20,293 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:57:20,421 INFO L? ?]: Removed 13 outVars from TransFormulas that were not future-live. [2024-11-09 00:57:20,421 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:57:20,453 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:57:20,453 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 00:57:20,453 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:57:20 BoogieIcfgContainer [2024-11-09 00:57:20,453 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:57:20,454 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:57:20,454 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:57:20,465 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:57:20,466 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:57:20" (1/1) ... [2024-11-09 00:57:20,475 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:57:20,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:57:20,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2024-11-09 00:57:20,535 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2024-11-09 00:57:20,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-09 00:57:20,540 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:57:20,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:57:20,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:57:20,832 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-09 00:57:20,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:57:20,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 21 states and 27 transitions. [2024-11-09 00:57:20,959 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 27 transitions. [2024-11-09 00:57:20,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-09 00:57:20,959 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:57:20,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:57:20,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:57:21,085 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-09 00:57:21,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:57:21,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 22 states and 28 transitions. [2024-11-09 00:57:21,113 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 28 transitions. [2024-11-09 00:57:21,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-09 00:57:21,114 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:57:21,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:57:21,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:57:21,274 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 00:57:21,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:57:21,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 28 states and 37 transitions. [2024-11-09 00:57:21,455 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 37 transitions. [2024-11-09 00:57:21,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:57:21,456 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:57:21,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:57:21,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:57:21,574 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-09 00:57:21,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:57:21,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 27 states and 35 transitions. [2024-11-09 00:57:21,794 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 35 transitions. [2024-11-09 00:57:21,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-09 00:57:21,797 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:57:21,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:57:21,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:57:21,999 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 6 proven. 13 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-09 00:57:22,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:57:22,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 20 states and 24 transitions. [2024-11-09 00:57:22,099 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2024-11-09 00:57:22,099 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-09 00:57:22,100 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2024-11-09 00:57:22,111 INFO L729 CodeCheckObserver]: All specifications hold 2 specifications checked. All of them hold [2024-11-09 00:57:22,173 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 19) the Hoare annotation is: true [2024-11-09 00:57:22,173 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-09 00:57:22,173 INFO L77 FloydHoareUtils]: At program point L29(line 29) the Hoare annotation is: true [2024-11-09 00:57:22,174 INFO L77 FloydHoareUtils]: At program point L25(line 25) the Hoare annotation is: (<= |ULTIMATE.start_main_~i~0#1| 99999) [2024-11-09 00:57:22,174 INFO L77 FloydHoareUtils]: At program point L25-1(line 25) the Hoare annotation is: true [2024-11-09 00:57:22,174 INFO L77 FloydHoareUtils]: At program point L19-1(lines 19 27) the Hoare annotation is: (<= |ULTIMATE.start_main_~i~0#1| 99999) [2024-11-09 00:57:22,174 INFO L77 FloydHoareUtils]: At program point L19-3(line 19) the Hoare annotation is: true [2024-11-09 00:57:22,174 INFO L77 FloydHoareUtils]: At program point L19-4(line 19) the Hoare annotation is: true [2024-11-09 00:57:22,175 INFO L77 FloydHoareUtils]: At program point L19-5(lines 19 27) the Hoare annotation is: true [2024-11-09 00:57:22,175 INFO L77 FloydHoareUtils]: At program point L19-6(lines 19 27) the Hoare annotation is: true [2024-11-09 00:57:22,175 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-09 00:57:22,175 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 19) the Hoare annotation is: true [2024-11-09 00:57:22,175 INFO L77 FloydHoareUtils]: At program point L26(line 26) the Hoare annotation is: true [2024-11-09 00:57:22,176 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertEXIT(line 10) the Hoare annotation is: true [2024-11-09 00:57:22,177 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line 10) the Hoare annotation is: true [2024-11-09 00:57:22,196 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 12:57:22 ImpRootNode [2024-11-09 00:57:22,196 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-09 00:57:22,196 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 00:57:22,196 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 00:57:22,197 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 00:57:22,198 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:57:20" (3/4) ... [2024-11-09 00:57:22,200 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-09 00:57:22,204 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-11-09 00:57:22,210 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-11-09 00:57:22,210 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-09 00:57:22,210 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-09 00:57:22,210 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-09 00:57:22,309 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43d76f68-e2c9-43c7-b75d-ce0b47a6440f/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-09 00:57:22,310 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43d76f68-e2c9-43c7-b75d-ce0b47a6440f/bin/ukojak-verify-ImItNfHLgk/witness.yml [2024-11-09 00:57:22,310 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 00:57:22,311 INFO L158 Benchmark]: Toolchain (without parser) took 2540.23ms. Allocated memory is still 132.1MB. Free memory was 96.7MB in the beginning and 84.3MB in the end (delta: 12.5MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. [2024-11-09 00:57:22,311 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 132.1MB. Free memory is still 103.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:57:22,312 INFO L158 Benchmark]: CACSL2BoogieTranslator took 344.07ms. Allocated memory is still 132.1MB. Free memory was 96.4MB in the beginning and 84.5MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-09 00:57:22,315 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.13ms. Allocated memory is still 132.1MB. Free memory was 84.1MB in the beginning and 82.9MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:57:22,315 INFO L158 Benchmark]: Boogie Preprocessor took 21.99ms. Allocated memory is still 132.1MB. Free memory was 82.9MB in the beginning and 81.6MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:57:22,316 INFO L158 Benchmark]: RCFGBuilder took 285.91ms. Allocated memory is still 132.1MB. Free memory was 81.6MB in the beginning and 70.4MB in the end (delta: 11.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-09 00:57:22,316 INFO L158 Benchmark]: CodeCheck took 1741.56ms. Allocated memory is still 132.1MB. Free memory was 70.4MB in the beginning and 89.2MB in the end (delta: -18.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:57:22,316 INFO L158 Benchmark]: Witness Printer took 113.86ms. Allocated memory is still 132.1MB. Free memory was 89.2MB in the beginning and 84.3MB in the end (delta: 5.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 00:57:22,320 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 2 procedures, 15 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.6s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 139 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 50 mSDsluCounter, 80 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 95 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 290 IncrementalHoareTripleChecker+Invalid, 385 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 95 mSolverCounterUnsat, 80 mSDtfsCounter, 290 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 665 GetRequests, 625 SyntacticMatches, 14 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 221 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 101 NumberOfCodeBlocks, 101 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 96 ConstructedInterpolants, 0 QuantifiedInterpolants, 200 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 3 PerfectInterpolantSequences, 71/90 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: 19]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 19]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 132.1MB. Free memory is still 103.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 344.07ms. Allocated memory is still 132.1MB. Free memory was 96.4MB in the beginning and 84.5MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.13ms. Allocated memory is still 132.1MB. Free memory was 84.1MB in the beginning and 82.9MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 21.99ms. Allocated memory is still 132.1MB. Free memory was 82.9MB in the beginning and 81.6MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 285.91ms. Allocated memory is still 132.1MB. Free memory was 81.6MB in the beginning and 70.4MB in the end (delta: 11.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 1741.56ms. Allocated memory is still 132.1MB. Free memory was 70.4MB in the beginning and 89.2MB in the end (delta: -18.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 113.86ms. Allocated memory is still 132.1MB. Free memory was 89.2MB in the beginning and 84.3MB in the end (delta: 5.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-09 00:57:22,354 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43d76f68-e2c9-43c7-b75d-ce0b47a6440f/bin/ukojak-verify-ImItNfHLgk/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