./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/psyco/psyco_accelerometer_1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5af3faf9-d13a-4aa0-bae0-0678142f7707/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5af3faf9-d13a-4aa0-bae0-0678142f7707/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5af3faf9-d13a-4aa0-bae0-0678142f7707/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5af3faf9-d13a-4aa0-bae0-0678142f7707/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/psyco/psyco_accelerometer_1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5af3faf9-d13a-4aa0-bae0-0678142f7707/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5af3faf9-d13a-4aa0-bae0-0678142f7707/bin/ukojak-verify-afCqCEvfdi --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 9a4dd7b0485056d1e9470afeda0ab37136e1bca9c47a740d3a29feb318846c30 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:10:09,882 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:10:09,974 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5af3faf9-d13a-4aa0-bae0-0678142f7707/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-24 23:10:09,980 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:10:09,980 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:10:10,011 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:10:10,012 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:10:10,013 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:10:10,013 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:10:10,014 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:10:10,015 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:10:10,015 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:10:10,016 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:10:10,017 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:10:10,017 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:10:10,018 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:10:10,018 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:10:10,019 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:10:10,020 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:10:10,020 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 23:10:10,021 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:10:10,022 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:10:10,022 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:10:10,023 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:10:10,023 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:10:10,024 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:10:10,025 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:10:10,025 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:10:10,026 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:10:10,026 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:10:10,027 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:10:10,027 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:10:10,028 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:10:10,028 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:10:10,031 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:10:10,032 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_5af3faf9-d13a-4aa0-bae0-0678142f7707/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5af3faf9-d13a-4aa0-bae0-0678142f7707/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9a4dd7b0485056d1e9470afeda0ab37136e1bca9c47a740d3a29feb318846c30 [2023-11-24 23:10:10,344 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:10:10,371 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:10:10,374 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:10:10,376 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:10:10,392 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:10:10,394 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5af3faf9-d13a-4aa0-bae0-0678142f7707/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/psyco/psyco_accelerometer_1.c [2023-11-24 23:10:13,832 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:10:14,502 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:10:14,503 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5af3faf9-d13a-4aa0-bae0-0678142f7707/sv-benchmarks/c/psyco/psyco_accelerometer_1.c [2023-11-24 23:10:14,556 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5af3faf9-d13a-4aa0-bae0-0678142f7707/bin/ukojak-verify-afCqCEvfdi/data/3454a253f/5cf6bf860c9d4bb8a66b40cf758d763c/FLAGb05127fbe [2023-11-24 23:10:14,575 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5af3faf9-d13a-4aa0-bae0-0678142f7707/bin/ukojak-verify-afCqCEvfdi/data/3454a253f/5cf6bf860c9d4bb8a66b40cf758d763c [2023-11-24 23:10:14,583 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:10:14,585 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:10:14,589 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:10:14,589 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:10:14,596 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:10:14,599 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:10:14" (1/1) ... [2023-11-24 23:10:14,601 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@638c0070 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:14, skipping insertion in model container [2023-11-24 23:10:14,601 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:10:14" (1/1) ... [2023-11-24 23:10:14,748 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:10:15,642 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:10:15,658 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:10:15,965 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:10:15,979 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:10:15,980 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:15 WrapperNode [2023-11-24 23:10:15,980 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:10:15,982 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:10:15,982 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:10:15,982 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:10:15,990 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:15" (1/1) ... [2023-11-24 23:10:16,062 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:15" (1/1) ... [2023-11-24 23:10:16,313 INFO L138 Inliner]: procedures = 12, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 9404 [2023-11-24 23:10:16,313 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:10:16,314 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:10:16,314 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:10:16,315 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:10:16,325 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:15" (1/1) ... [2023-11-24 23:10:16,325 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:15" (1/1) ... [2023-11-24 23:10:16,350 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:15" (1/1) ... [2023-11-24 23:10:16,350 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:15" (1/1) ... [2023-11-24 23:10:16,434 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:15" (1/1) ... [2023-11-24 23:10:16,499 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:15" (1/1) ... [2023-11-24 23:10:16,520 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:15" (1/1) ... [2023-11-24 23:10:16,547 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:15" (1/1) ... [2023-11-24 23:10:16,709 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:10:16,710 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:10:16,710 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:10:16,710 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:10:16,711 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:15" (1/1) ... [2023-11-24 23:10:16,717 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:10:16,728 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5af3faf9-d13a-4aa0-bae0-0678142f7707/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:10:16,743 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5af3faf9-d13a-4aa0-bae0-0678142f7707/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:10:16,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5af3faf9-d13a-4aa0-bae0-0678142f7707/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:10:16,788 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:10:16,788 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:10:16,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:10:16,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:10:17,161 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:10:17,164 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:10:26,220 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:10:26,417 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:10:26,418 INFO L309 CfgBuilder]: Removed 21 assume(true) statements. [2023-11-24 23:10:26,424 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:10:26 BoogieIcfgContainer [2023-11-24 23:10:26,424 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:10:26,425 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:10:26,425 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:10:26,437 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:10:26,437 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:10:26" (1/1) ... [2023-11-24 23:10:26,449 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:10:26,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:26,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9820 states to 8652 states and 9820 transitions. [2023-11-24 23:10:26,668 INFO L276 IsEmpty]: Start isEmpty. Operand 8652 states and 9820 transitions. [2023-11-24 23:10:26,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 23:10:26,672 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:26,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:26,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:26,927 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:10:27,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:27,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9880 states to 8655 states and 9880 transitions. [2023-11-24 23:10:27,217 INFO L276 IsEmpty]: Start isEmpty. Operand 8655 states and 9880 transitions. [2023-11-24 23:10:27,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 23:10:27,219 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:27,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:27,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:27,356 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:10:27,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:27,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9879 states to 8655 states and 9879 transitions. [2023-11-24 23:10:27,453 INFO L276 IsEmpty]: Start isEmpty. Operand 8655 states and 9879 transitions. [2023-11-24 23:10:27,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 23:10:27,455 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:27,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:27,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:27,590 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:10:27,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:27,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9960 states to 8658 states and 9960 transitions. [2023-11-24 23:10:27,854 INFO L276 IsEmpty]: Start isEmpty. Operand 8658 states and 9960 transitions. [2023-11-24 23:10:27,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-24 23:10:27,866 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:27,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:27,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:27,978 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 23:10:28,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:28,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9981 states to 8669 states and 9981 transitions. [2023-11-24 23:10:28,120 INFO L276 IsEmpty]: Start isEmpty. Operand 8669 states and 9981 transitions. [2023-11-24 23:10:28,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-24 23:10:28,122 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:28,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:28,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:28,192 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:10:28,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:28,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9981 states to 8670 states and 9981 transitions. [2023-11-24 23:10:28,286 INFO L276 IsEmpty]: Start isEmpty. Operand 8670 states and 9981 transitions. [2023-11-24 23:10:28,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-24 23:10:28,286 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:28,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:28,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:10:28,336 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:10:28,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:10:28,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:10:28,530 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:10:28,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:10:28,739 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 6 iterations. [2023-11-24 23:10:28,833 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short71 could not be translated [2023-11-24 23:10:28,834 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short71 could not be translated [2023-11-24 23:10:28,838 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 11:10:28 ImpRootNode [2023-11-24 23:10:28,839 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 23:10:28,839 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:10:28,839 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:10:28,840 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:10:28,840 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:10:26" (3/4) ... [2023-11-24 23:10:28,843 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-24 23:10:28,865 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short71 could not be translated [2023-11-24 23:10:28,865 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short71 could not be translated [2023-11-24 23:10:28,912 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5af3faf9-d13a-4aa0-bae0-0678142f7707/bin/ukojak-verify-afCqCEvfdi/witness.graphml [2023-11-24 23:10:28,913 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:10:28,913 INFO L158 Benchmark]: Toolchain (without parser) took 14328.04ms. Allocated memory was 174.1MB in the beginning and 520.1MB in the end (delta: 346.0MB). Free memory was 138.6MB in the beginning and 178.8MB in the end (delta: -40.2MB). Peak memory consumption was 306.4MB. Max. memory is 16.1GB. [2023-11-24 23:10:28,914 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 138.4MB. Free memory is still 112.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:10:28,914 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1392.21ms. Allocated memory is still 174.1MB. Free memory was 138.6MB in the beginning and 68.3MB in the end (delta: 70.4MB). Peak memory consumption was 81.8MB. Max. memory is 16.1GB. [2023-11-24 23:10:28,915 INFO L158 Benchmark]: Boogie Procedure Inliner took 331.87ms. Allocated memory is still 174.1MB. Free memory was 67.9MB in the beginning and 82.8MB in the end (delta: -14.9MB). Peak memory consumption was 14.5MB. Max. memory is 16.1GB. [2023-11-24 23:10:28,915 INFO L158 Benchmark]: Boogie Preprocessor took 394.75ms. Allocated memory is still 174.1MB. Free memory was 82.8MB in the beginning and 92.8MB in the end (delta: -10.0MB). Peak memory consumption was 55.2MB. Max. memory is 16.1GB. [2023-11-24 23:10:28,916 INFO L158 Benchmark]: RCFGBuilder took 9714.32ms. Allocated memory was 174.1MB in the beginning and 520.1MB in the end (delta: 346.0MB). Free memory was 92.8MB in the beginning and 398.0MB in the end (delta: -305.1MB). Peak memory consumption was 203.2MB. Max. memory is 16.1GB. [2023-11-24 23:10:28,916 INFO L158 Benchmark]: CodeCheck took 2413.70ms. Allocated memory is still 520.1MB. Free memory was 398.0MB in the beginning and 183.0MB in the end (delta: 215.0MB). Peak memory consumption was 213.9MB. Max. memory is 16.1GB. [2023-11-24 23:10:28,917 INFO L158 Benchmark]: Witness Printer took 73.58ms. Allocated memory is still 520.1MB. Free memory was 183.0MB in the beginning and 178.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 23:10:28,919 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, 8652 locations, 3288 error locations. Started 1 CEGAR loops. OverallTime: 2.2s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 824 SdHoareTripleChecker+Valid, 1.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 94 mSDsluCounter, 1551 SdHoareTripleChecker+Invalid, 1.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1346 mSDsCounter, 384 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 450 IncrementalHoareTripleChecker+Invalid, 834 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 384 mSolverCounterUnsat, 205 mSDtfsCounter, 450 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2385 GetRequests, 2371 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 85 ConstructedInterpolants, 0 QuantifiedInterpolants, 143 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 8/8 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: 253]: integer overflow possible integer overflow possible We found a FailurePath: [L7] int m_init = 1; [L8] int m_disconnect = 2; [L9] int m_getValueX = 3; [L10] int m_getValueY = 4; [L11] int m_Accelerometer = 5; [L12] int m_update = 6; [L13] int m_dataReceived = 7; [L14] int m_connect_1 = 8; [L15] int m_connect_2 = 9; [L20] int q = 0; [L21] int method_id; [L24] int this_m_conn = 0; [L25] int this_m_sensitivity = 100; [L26] int this_m_samples = 200; [L27] int this_m_delta = 1; [L28] int this_m_accX = 0; [L29] int this_m_sensorInfo = 0; [L30] int this_m_conn_data_listener = 0; [L31] int this_m_accY = 0; VAL [m_Accelerometer=5, m_connect_1=8, m_connect_2=9, m_dataReceived=7, m_disconnect=2, m_getValueX=3, m_getValueY=4, m_init=1, m_update=6, q=0, this_m_accX=0, this_m_accY=0, this_m_conn=0, this_m_conn_data_listener=0, this_m_delta=1, this_m_samples=200, this_m_sensitivity=100, this_m_sensorInfo=0] [L34] COND TRUE 1 [L37] int P1=__VERIFIER_nondet_int(); [L38] int P2=__VERIFIER_nondet_int(); [L39] int P3=__VERIFIER_nondet_int(); [L40] _Bool P4=__VERIFIER_nondet_int(); [L41] _Bool P5=__VERIFIER_nondet_int(); [L42] _Bool P6=__VERIFIER_nondet_int(); [L46] COND TRUE q == 0 [L47] COND TRUE __VERIFIER_nondet_int() [L51] method_id = 5 VAL [P1=0, P2=0, P3=0, P4=0, P5=0, P6=0, m_Accelerometer=5, m_connect_1=8, m_connect_2=9, m_dataReceived=7, m_disconnect=2, m_getValueX=3, m_getValueY=4, m_init=1, m_update=6, method_id=5, q=0, this_m_accX=0, this_m_accY=0, this_m_conn=0, this_m_conn_data_listener=0, this_m_delta=1, this_m_samples=200, this_m_sensitivity=100, this_m_sensorInfo=0] [L53] COND FALSE !(0) [L57] q = 2 [L59] this_m_conn=0 [L59] this_m_samples=200 [L59] this_m_sensitivity=100 [L59] this_m_accX=0 [L59] this_m_accY=0 [L59] this_m_delta=1 [L59] this_m_sensorInfo=0 [L59] this_m_conn_data_listener=0 VAL [P1=0, P2=0, P3=0, P4=0, P5=0, P6=0, m_Accelerometer=5, m_connect_1=8, m_connect_2=9, m_dataReceived=7, m_disconnect=2, m_getValueX=3, m_getValueY=4, m_init=1, m_update=6, method_id=5, q=2, this_m_accX=0, this_m_accY=0, this_m_conn=0, this_m_conn_data_listener=0, this_m_delta=1, this_m_samples=200, this_m_sensitivity=100, this_m_sensorInfo=0] [L34] COND TRUE 1 [L37] int P1=__VERIFIER_nondet_int(); [L38] int P2=__VERIFIER_nondet_int(); [L39] int P3=__VERIFIER_nondet_int(); [L40] _Bool P4=__VERIFIER_nondet_int(); [L41] _Bool P5=__VERIFIER_nondet_int(); [L42] _Bool P6=__VERIFIER_nondet_int(); [L46] COND FALSE !(q == 0) VAL [P1=0, P2=0, P3=-2147483648, P4=0, P5=0, P6=0, m_Accelerometer=5, m_connect_1=8, m_connect_2=9, m_dataReceived=7, m_disconnect=2, m_getValueX=3, m_getValueY=4, m_init=1, m_update=6, method_id=5, q=2, this_m_accX=0, this_m_accY=0, this_m_conn=0, this_m_conn_data_listener=0, this_m_delta=1, this_m_samples=200, this_m_sensitivity=100, this_m_sensorInfo=0] [L66] COND FALSE !(q == 1) VAL [P1=0, P2=0, P3=-2147483648, P4=0, P5=0, P6=0, m_Accelerometer=5, m_connect_1=8, m_connect_2=9, m_dataReceived=7, m_disconnect=2, m_getValueX=3, m_getValueY=4, m_init=1, m_update=6, method_id=5, q=2, this_m_accX=0, this_m_accY=0, this_m_conn=0, this_m_conn_data_listener=0, this_m_delta=1, this_m_samples=200, this_m_sensitivity=100, this_m_sensorInfo=0] [L150] COND TRUE q == 2 [L151] COND FALSE !(__VERIFIER_nondet_int()) [L167] COND FALSE !(__VERIFIER_nondet_int()) [L183] COND FALSE !(__VERIFIER_nondet_int()) [L199] COND FALSE !(__VERIFIER_nondet_int()) [L215] COND FALSE !(__VERIFIER_nondet_int()) [L231] COND FALSE !(__VERIFIER_nondet_int()) [L247] COND TRUE __VERIFIER_nondet_int() [L251] method_id = 7 [L253] ((-1000 >= P3) && ((P3 < 0) && ((-1000 >= P2) && ((P2 < 0) && (this_m_conn_data_listener != 0))))) || (((-(P3) - 50) <= 0) && ((-1000 < P3) && ((P3 < 0) && ((-1000 >= P2) && ((P2 < 0) && (this_m_conn_data_listener != 0)))))) VAL [P1=0, P2=0, P3=-2147483648, P4=0, P5=0, P6=0, m_Accelerometer=5, m_connect_1=8, m_connect_2=9, m_dataReceived=7, m_disconnect=2, m_getValueX=3, m_getValueY=4, m_init=1, m_update=6, method_id=7, q=2, this_m_accX=0, this_m_accY=0, this_m_conn=0, this_m_conn_data_listener=0, this_m_delta=1, this_m_samples=200, this_m_sensitivity=100, this_m_sensorInfo=0] [L253] -(P3) VAL [P1=0, P2=0, P3=-2147483648, P4=0, P5=0, P6=0, m_Accelerometer=5, m_connect_1=8, m_connect_2=9, m_dataReceived=7, m_disconnect=2, m_getValueX=3, m_getValueY=4, m_init=1, m_update=6, method_id=7, q=2, this_m_accX=0, this_m_accY=0, this_m_conn=0, this_m_conn_data_listener=0, this_m_delta=1, this_m_samples=200, this_m_sensitivity=100, this_m_sensorInfo=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 138.4MB. Free memory is still 112.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1392.21ms. Allocated memory is still 174.1MB. Free memory was 138.6MB in the beginning and 68.3MB in the end (delta: 70.4MB). Peak memory consumption was 81.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 331.87ms. Allocated memory is still 174.1MB. Free memory was 67.9MB in the beginning and 82.8MB in the end (delta: -14.9MB). Peak memory consumption was 14.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 394.75ms. Allocated memory is still 174.1MB. Free memory was 82.8MB in the beginning and 92.8MB in the end (delta: -10.0MB). Peak memory consumption was 55.2MB. Max. memory is 16.1GB. * RCFGBuilder took 9714.32ms. Allocated memory was 174.1MB in the beginning and 520.1MB in the end (delta: 346.0MB). Free memory was 92.8MB in the beginning and 398.0MB in the end (delta: -305.1MB). Peak memory consumption was 203.2MB. Max. memory is 16.1GB. * CodeCheck took 2413.70ms. Allocated memory is still 520.1MB. Free memory was 398.0MB in the beginning and 183.0MB in the end (delta: 215.0MB). Peak memory consumption was 213.9MB. Max. memory is 16.1GB. * Witness Printer took 73.58ms. Allocated memory is still 520.1MB. Free memory was 183.0MB in the beginning and 178.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short71 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short71 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short71 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short71 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate proved your program to be incorrect! [2023-11-24 23:10:28,948 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5af3faf9-d13a-4aa0-bae0-0678142f7707/bin/ukojak-verify-afCqCEvfdi/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)