./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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c5d7ec-595b-4a44-b52e-c960eeb77966/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c5d7ec-595b-4a44-b52e-c960eeb77966/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c5d7ec-595b-4a44-b52e-c960eeb77966/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c5d7ec-595b-4a44-b52e-c960eeb77966/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/psyco/psyco_accelerometer_1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c5d7ec-595b-4a44-b52e-c960eeb77966/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c5d7ec-595b-4a44-b52e-c960eeb77966/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9a4dd7b0485056d1e9470afeda0ab37136e1bca9c47a740d3a29feb318846c30 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 21:15:52,207 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 21:15:52,273 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c5d7ec-595b-4a44-b52e-c960eeb77966/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-12-02 21:15:52,278 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 21:15:52,278 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 21:15:52,300 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 21:15:52,301 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 21:15:52,302 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 21:15:52,302 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 21:15:52,303 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 21:15:52,304 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 21:15:52,304 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 21:15:52,305 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 21:15:52,306 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 21:15:52,306 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 21:15:52,307 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 21:15:52,307 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 21:15:52,308 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 21:15:52,309 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 21:15:52,309 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 21:15:52,310 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 21:15:52,312 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 21:15:52,313 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 21:15:52,313 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 21:15:52,314 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 21:15:52,314 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 21:15:52,314 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 21:15:52,315 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 21:15:52,315 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:15:52,316 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 21:15:52,316 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 21:15:52,317 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 21:15:52,317 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 21:15:52,317 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 21:15:52,317 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 21:15:52,318 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_26c5d7ec-595b-4a44-b52e-c960eeb77966/bin/ukojak-verify-Qdu7aM0XO9/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c5d7ec-595b-4a44-b52e-c960eeb77966/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9a4dd7b0485056d1e9470afeda0ab37136e1bca9c47a740d3a29feb318846c30 [2023-12-02 21:15:52,540 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 21:15:52,560 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 21:15:52,562 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 21:15:52,564 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 21:15:52,564 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 21:15:52,565 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c5d7ec-595b-4a44-b52e-c960eeb77966/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/psyco/psyco_accelerometer_1.c [2023-12-02 21:15:55,311 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 21:15:55,743 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 21:15:55,744 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c5d7ec-595b-4a44-b52e-c960eeb77966/sv-benchmarks/c/psyco/psyco_accelerometer_1.c [2023-12-02 21:15:55,772 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c5d7ec-595b-4a44-b52e-c960eeb77966/bin/ukojak-verify-Qdu7aM0XO9/data/405ff9208/d5c148995a8b4db6b4106539d23fa74e/FLAG0b8f60ae4 [2023-12-02 21:15:55,788 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c5d7ec-595b-4a44-b52e-c960eeb77966/bin/ukojak-verify-Qdu7aM0XO9/data/405ff9208/d5c148995a8b4db6b4106539d23fa74e [2023-12-02 21:15:55,791 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 21:15:55,793 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 21:15:55,794 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 21:15:55,794 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 21:15:55,800 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 21:15:55,801 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:15:55" (1/1) ... [2023-12-02 21:15:55,802 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8d8eefe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:15:55, skipping insertion in model container [2023-12-02 21:15:55,802 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:15:55" (1/1) ... [2023-12-02 21:15:55,903 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 21:15:56,488 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:15:56,499 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 21:15:56,800 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:15:56,811 INFO L206 MainTranslator]: Completed translation [2023-12-02 21:15:56,811 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:15:56 WrapperNode [2023-12-02 21:15:56,811 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 21:15:56,812 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 21:15:56,812 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 21:15:56,812 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 21:15:56,819 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:15:56" (1/1) ... [2023-12-02 21:15:56,865 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:15:56" (1/1) ... [2023-12-02 21:15:57,051 INFO L138 Inliner]: procedures = 12, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 9404 [2023-12-02 21:15:57,051 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 21:15:57,052 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 21:15:57,052 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 21:15:57,052 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 21:15:57,059 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:15:56" (1/1) ... [2023-12-02 21:15:57,059 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:15:56" (1/1) ... [2023-12-02 21:15:57,082 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:15:56" (1/1) ... [2023-12-02 21:15:57,083 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:15:56" (1/1) ... [2023-12-02 21:15:57,155 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:15:56" (1/1) ... [2023-12-02 21:15:57,197 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:15:56" (1/1) ... [2023-12-02 21:15:57,220 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:15:56" (1/1) ... [2023-12-02 21:15:57,285 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:15:56" (1/1) ... [2023-12-02 21:15:57,319 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 21:15:57,320 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 21:15:57,320 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 21:15:57,320 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 21:15:57,321 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:15:56" (1/1) ... [2023-12-02 21:15:57,325 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:15:57,334 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c5d7ec-595b-4a44-b52e-c960eeb77966/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 21:15:57,346 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c5d7ec-595b-4a44-b52e-c960eeb77966/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 21:15:57,357 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c5d7ec-595b-4a44-b52e-c960eeb77966/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 21:15:57,385 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 21:15:57,385 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 21:15:57,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 21:15:57,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 21:15:57,646 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 21:15:57,648 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 21:16:05,287 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 21:16:05,393 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 21:16:05,393 INFO L309 CfgBuilder]: Removed 21 assume(true) statements. [2023-12-02 21:16:05,397 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:16:05 BoogieIcfgContainer [2023-12-02 21:16:05,398 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 21:16:05,399 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 21:16:05,399 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 21:16:05,406 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 21:16:05,407 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:16:05" (1/1) ... [2023-12-02 21:16:05,414 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 21:16:05,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:16:05,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9820 states to 8652 states and 9820 transitions. [2023-12-02 21:16:05,555 INFO L276 IsEmpty]: Start isEmpty. Operand 8652 states and 9820 transitions. [2023-12-02 21:16:05,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-02 21:16:05,557 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:16:05,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:16:05,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:16:05,741 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:16:05,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:16:05,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9880 states to 8655 states and 9880 transitions. [2023-12-02 21:16:05,918 INFO L276 IsEmpty]: Start isEmpty. Operand 8655 states and 9880 transitions. [2023-12-02 21:16:05,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-02 21:16:05,919 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:16:05,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:16:05,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:16:05,991 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 21:16:06,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:16:06,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9879 states to 8655 states and 9879 transitions. [2023-12-02 21:16:06,049 INFO L276 IsEmpty]: Start isEmpty. Operand 8655 states and 9879 transitions. [2023-12-02 21:16:06,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-02 21:16:06,050 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:16:06,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:16:06,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:16:06,137 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:16:06,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:16:06,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9960 states to 8658 states and 9960 transitions. [2023-12-02 21:16:06,310 INFO L276 IsEmpty]: Start isEmpty. Operand 8658 states and 9960 transitions. [2023-12-02 21:16:06,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-02 21:16:06,313 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:16:06,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:16:06,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:16:06,376 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 21:16:06,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:16:06,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9981 states to 8669 states and 9981 transitions. [2023-12-02 21:16:06,478 INFO L276 IsEmpty]: Start isEmpty. Operand 8669 states and 9981 transitions. [2023-12-02 21:16:06,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-02 21:16:06,480 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:16:06,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:16:06,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:16:06,518 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:16:06,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:16:06,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9981 states to 8670 states and 9981 transitions. [2023-12-02 21:16:06,578 INFO L276 IsEmpty]: Start isEmpty. Operand 8670 states and 9981 transitions. [2023-12-02 21:16:06,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-02 21:16:06,579 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:16:06,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:16:06,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:16:06,604 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 21:16:06,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:16:06,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:16:06,760 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 21:16:06,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:16:07,005 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 6 iterations. [2023-12-02 21:16:07,070 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short71 could not be translated [2023-12-02 21:16:07,072 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short71 could not be translated [2023-12-02 21:16:07,077 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 09:16:07 ImpRootNode [2023-12-02 21:16:07,077 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 21:16:07,078 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 21:16:07,078 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 21:16:07,078 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 21:16:07,079 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:16:05" (3/4) ... [2023-12-02 21:16:07,079 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-12-02 21:16:07,089 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short71 could not be translated [2023-12-02 21:16:07,090 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short71 could not be translated [2023-12-02 21:16:07,140 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c5d7ec-595b-4a44-b52e-c960eeb77966/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-02 21:16:07,140 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 21:16:07,141 INFO L158 Benchmark]: Toolchain (without parser) took 11348.33ms. Allocated memory was 159.4MB in the beginning and 562.0MB in the end (delta: 402.7MB). Free memory was 123.4MB in the beginning and 182.8MB in the end (delta: -59.4MB). Peak memory consumption was 342.0MB. Max. memory is 16.1GB. [2023-12-02 21:16:07,141 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 125.8MB. Free memory is still 98.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:16:07,142 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1017.54ms. Allocated memory is still 159.4MB. Free memory was 123.4MB in the beginning and 82.5MB in the end (delta: 40.9MB). Peak memory consumption was 74.4MB. Max. memory is 16.1GB. [2023-12-02 21:16:07,143 INFO L158 Benchmark]: Boogie Procedure Inliner took 238.91ms. Allocated memory was 159.4MB in the beginning and 241.2MB in the end (delta: 81.8MB). Free memory was 82.5MB in the beginning and 147.2MB in the end (delta: -64.6MB). Peak memory consumption was 48.5MB. Max. memory is 16.1GB. [2023-12-02 21:16:07,143 INFO L158 Benchmark]: Boogie Preprocessor took 267.60ms. Allocated memory is still 241.2MB. Free memory was 147.2MB in the beginning and 141.3MB in the end (delta: 5.8MB). Peak memory consumption was 45.7MB. Max. memory is 16.1GB. [2023-12-02 21:16:07,144 INFO L158 Benchmark]: RCFGBuilder took 8077.89ms. Allocated memory was 241.2MB in the beginning and 562.0MB in the end (delta: 320.9MB). Free memory was 141.3MB in the beginning and 398.8MB in the end (delta: -257.5MB). Peak memory consumption was 259.3MB. Max. memory is 16.1GB. [2023-12-02 21:16:07,144 INFO L158 Benchmark]: CodeCheck took 1678.56ms. Allocated memory is still 562.0MB. Free memory was 398.8MB in the beginning and 186.0MB in the end (delta: 212.9MB). Peak memory consumption was 213.9MB. Max. memory is 16.1GB. [2023-12-02 21:16:07,145 INFO L158 Benchmark]: Witness Printer took 62.72ms. Allocated memory is still 562.0MB. Free memory was 186.0MB in the beginning and 182.8MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 21:16:07,147 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: 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, 824 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 94 mSDsluCounter, 1551 SdHoareTripleChecker+Invalid, 0.7s 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, 0.0s 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, 0.2s 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 0.25ms. Allocated memory is still 125.8MB. Free memory is still 98.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1017.54ms. Allocated memory is still 159.4MB. Free memory was 123.4MB in the beginning and 82.5MB in the end (delta: 40.9MB). Peak memory consumption was 74.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 238.91ms. Allocated memory was 159.4MB in the beginning and 241.2MB in the end (delta: 81.8MB). Free memory was 82.5MB in the beginning and 147.2MB in the end (delta: -64.6MB). Peak memory consumption was 48.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 267.60ms. Allocated memory is still 241.2MB. Free memory was 147.2MB in the beginning and 141.3MB in the end (delta: 5.8MB). Peak memory consumption was 45.7MB. Max. memory is 16.1GB. * RCFGBuilder took 8077.89ms. Allocated memory was 241.2MB in the beginning and 562.0MB in the end (delta: 320.9MB). Free memory was 141.3MB in the beginning and 398.8MB in the end (delta: -257.5MB). Peak memory consumption was 259.3MB. Max. memory is 16.1GB. * CodeCheck took 1678.56ms. Allocated memory is still 562.0MB. Free memory was 398.8MB in the beginning and 186.0MB in the end (delta: 212.9MB). Peak memory consumption was 213.9MB. Max. memory is 16.1GB. * Witness Printer took 62.72ms. Allocated memory is still 562.0MB. Free memory was 186.0MB in the beginning and 182.8MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. 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! [2023-12-02 21:16:07,173 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c5d7ec-595b-4a44-b52e-c960eeb77966/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)