./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 9bd2c7ff 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_9c03c3b5-d66e-4561-9370-ded3153830f6/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c03c3b5-d66e-4561-9370-ded3153830f6/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c03c3b5-d66e-4561-9370-ded3153830f6/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c03c3b5-d66e-4561-9370-ded3153830f6/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/psyco/psyco_accelerometer_1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c03c3b5-d66e-4561-9370-ded3153830f6/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c03c3b5-d66e-4561-9370-ded3153830f6/bin/ukojak-verify-G8NBE6pJGL --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 0.2.3-dev-9bd2c7f [2023-11-19 03:37:39,378 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:37:39,523 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c03c3b5-d66e-4561-9370-ded3153830f6/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 03:37:39,533 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:37:39,534 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:37:39,584 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:37:39,585 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:37:39,586 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:37:39,587 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:37:39,593 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:37:39,594 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:37:39,594 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:37:39,595 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:37:39,597 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:37:39,598 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:37:39,598 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:37:39,599 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:37:39,599 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:37:39,600 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:37:39,600 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:37:39,600 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:37:39,601 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:37:39,602 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:37:39,602 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:37:39,603 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:37:39,603 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:37:39,604 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:37:39,605 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:37:39,605 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:37:39,606 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:37:39,607 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:37:39,607 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:37:39,608 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:37:39,608 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:37:39,608 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:37:39,608 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_9c03c3b5-d66e-4561-9370-ded3153830f6/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c03c3b5-d66e-4561-9370-ded3153830f6/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9a4dd7b0485056d1e9470afeda0ab37136e1bca9c47a740d3a29feb318846c30 [2023-11-19 03:37:40,013 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:37:40,056 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:37:40,059 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:37:40,061 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:37:40,061 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:37:40,064 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c03c3b5-d66e-4561-9370-ded3153830f6/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/psyco/psyco_accelerometer_1.c [2023-11-19 03:37:43,737 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:37:44,394 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:37:44,395 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c03c3b5-d66e-4561-9370-ded3153830f6/sv-benchmarks/c/psyco/psyco_accelerometer_1.c [2023-11-19 03:37:44,454 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c03c3b5-d66e-4561-9370-ded3153830f6/bin/ukojak-verify-G8NBE6pJGL/data/f84a68a6c/b5a5c32f35c9408da7ff907032a72677/FLAG982447fff [2023-11-19 03:37:44,475 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c03c3b5-d66e-4561-9370-ded3153830f6/bin/ukojak-verify-G8NBE6pJGL/data/f84a68a6c/b5a5c32f35c9408da7ff907032a72677 [2023-11-19 03:37:44,485 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:37:44,488 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:37:44,490 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:37:44,490 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:37:44,497 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:37:44,498 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:37:44" (1/1) ... [2023-11-19 03:37:44,499 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18b086c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:37:44, skipping insertion in model container [2023-11-19 03:37:44,499 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:37:44" (1/1) ... [2023-11-19 03:37:44,665 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:37:45,657 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:37:45,672 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:37:46,141 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:37:46,158 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:37:46,159 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:37:46 WrapperNode [2023-11-19 03:37:46,160 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:37:46,161 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:37:46,162 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:37:46,162 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:37:46,171 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:37:46" (1/1) ... [2023-11-19 03:37:46,261 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:37:46" (1/1) ... [2023-11-19 03:37:46,610 INFO L138 Inliner]: procedures = 12, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 9404 [2023-11-19 03:37:46,611 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:37:46,612 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:37:46,612 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:37:46,613 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:37:46,623 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:37:46" (1/1) ... [2023-11-19 03:37:46,623 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:37:46" (1/1) ... [2023-11-19 03:37:46,665 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:37:46" (1/1) ... [2023-11-19 03:37:46,665 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:37:46" (1/1) ... [2023-11-19 03:37:46,898 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:37:46" (1/1) ... [2023-11-19 03:37:46,967 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:37:46" (1/1) ... [2023-11-19 03:37:46,982 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:37:46" (1/1) ... [2023-11-19 03:37:47,005 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:37:46" (1/1) ... [2023-11-19 03:37:47,068 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:37:47,069 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:37:47,069 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:37:47,070 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:37:47,071 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:37:46" (1/1) ... [2023-11-19 03:37:47,078 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:37:47,091 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c03c3b5-d66e-4561-9370-ded3153830f6/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:37:47,109 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c03c3b5-d66e-4561-9370-ded3153830f6/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:37:47,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c03c3b5-d66e-4561-9370-ded3153830f6/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:37:47,250 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:37:47,251 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:37:47,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:37:47,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:37:47,661 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:37:47,663 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:37:58,113 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:37:58,241 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:37:58,242 INFO L302 CfgBuilder]: Removed 21 assume(true) statements. [2023-11-19 03:37:58,282 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:37:58 BoogieIcfgContainer [2023-11-19 03:37:58,282 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:37:58,283 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:37:58,283 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:37:58,295 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:37:58,296 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:37:58" (1/1) ... [2023-11-19 03:37:58,308 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:37:58,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:37:58,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9820 states to 8652 states and 9820 transitions. [2023-11-19 03:37:58,644 INFO L276 IsEmpty]: Start isEmpty. Operand 8652 states and 9820 transitions. [2023-11-19 03:37:58,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:37:58,649 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:37:58,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:37:58,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:37:58,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:37:59,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:37:59,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9880 states to 8655 states and 9880 transitions. [2023-11-19 03:37:59,260 INFO L276 IsEmpty]: Start isEmpty. Operand 8655 states and 9880 transitions. [2023-11-19 03:37:59,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 03:37:59,263 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:37:59,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:37:59,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:37:59,363 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:37:59,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:37:59,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9879 states to 8655 states and 9879 transitions. [2023-11-19 03:37:59,444 INFO L276 IsEmpty]: Start isEmpty. Operand 8655 states and 9879 transitions. [2023-11-19 03:37:59,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:37:59,446 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:37:59,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:37:59,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:37:59,574 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:37:59,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:37:59,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9960 states to 8658 states and 9960 transitions. [2023-11-19 03:37:59,801 INFO L276 IsEmpty]: Start isEmpty. Operand 8658 states and 9960 transitions. [2023-11-19 03:37:59,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 03:37:59,806 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:37:59,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:37:59,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:37:59,989 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:38:00,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:38:00,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9981 states to 8669 states and 9981 transitions. [2023-11-19 03:38:00,154 INFO L276 IsEmpty]: Start isEmpty. Operand 8669 states and 9981 transitions. [2023-11-19 03:38:00,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 03:38:00,156 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:38:00,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:38:00,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:38:00,211 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:38:00,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:38:00,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9981 states to 8670 states and 9981 transitions. [2023-11-19 03:38:00,300 INFO L276 IsEmpty]: Start isEmpty. Operand 8670 states and 9981 transitions. [2023-11-19 03:38:00,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 03:38:00,302 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:38:00,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:38:00,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:38:00,334 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:38:00,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:38:00,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:38:00,552 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:38:00,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:38:00,844 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 6 iterations. [2023-11-19 03:38:00,949 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short71 could not be translated [2023-11-19 03:38:00,952 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short71 could not be translated [2023-11-19 03:38:00,962 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:38:00 ImpRootNode [2023-11-19 03:38:00,962 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:38:00,963 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:38:00,963 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:38:00,964 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:38:00,965 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:37:58" (3/4) ... [2023-11-19 03:38:00,966 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-19 03:38:00,992 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short71 could not be translated [2023-11-19 03:38:00,998 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short71 could not be translated [2023-11-19 03:38:01,089 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c03c3b5-d66e-4561-9370-ded3153830f6/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 03:38:01,090 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:38:01,091 INFO L158 Benchmark]: Toolchain (without parser) took 16602.86ms. Allocated memory was 165.7MB in the beginning and 601.9MB in the end (delta: 436.2MB). Free memory was 118.0MB in the beginning and 269.7MB in the end (delta: -151.7MB). Peak memory consumption was 286.3MB. Max. memory is 16.1GB. [2023-11-19 03:38:01,091 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 117.4MB. Free memory is still 65.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:38:01,092 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1670.31ms. Allocated memory is still 165.7MB. Free memory was 117.7MB in the beginning and 79.4MB in the end (delta: 38.3MB). Peak memory consumption was 61.3MB. Max. memory is 16.1GB. [2023-11-19 03:38:01,093 INFO L158 Benchmark]: Boogie Procedure Inliner took 450.12ms. Allocated memory was 165.7MB in the beginning and 218.1MB in the end (delta: 52.4MB). Free memory was 79.4MB in the beginning and 124.3MB in the end (delta: -44.9MB). Peak memory consumption was 36.9MB. Max. memory is 16.1GB. [2023-11-19 03:38:01,095 INFO L158 Benchmark]: Boogie Preprocessor took 456.03ms. Allocated memory is still 218.1MB. Free memory was 124.3MB in the beginning and 117.8MB in the end (delta: 6.6MB). Peak memory consumption was 40.2MB. Max. memory is 16.1GB. [2023-11-19 03:38:01,095 INFO L158 Benchmark]: RCFGBuilder took 11213.07ms. Allocated memory was 218.1MB in the beginning and 601.9MB in the end (delta: 383.8MB). Free memory was 117.8MB in the beginning and 280.0MB in the end (delta: -162.3MB). Peak memory consumption was 222.5MB. Max. memory is 16.1GB. [2023-11-19 03:38:01,096 INFO L158 Benchmark]: CodeCheck took 2679.04ms. Allocated memory is still 601.9MB. Free memory was 280.0MB in the beginning and 272.8MB in the end (delta: 7.2MB). Peak memory consumption was 7.3MB. Max. memory is 16.1GB. [2023-11-19 03:38:01,096 INFO L158 Benchmark]: Witness Printer took 126.94ms. Allocated memory is still 601.9MB. Free memory was 272.8MB in the beginning and 269.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:38:01,100 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: 2.5s, 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, 1.2s 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: 0.2s SsaConstructionTime, 0.2s 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 0.36ms. Allocated memory is still 117.4MB. Free memory is still 65.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1670.31ms. Allocated memory is still 165.7MB. Free memory was 117.7MB in the beginning and 79.4MB in the end (delta: 38.3MB). Peak memory consumption was 61.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 450.12ms. Allocated memory was 165.7MB in the beginning and 218.1MB in the end (delta: 52.4MB). Free memory was 79.4MB in the beginning and 124.3MB in the end (delta: -44.9MB). Peak memory consumption was 36.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 456.03ms. Allocated memory is still 218.1MB. Free memory was 124.3MB in the beginning and 117.8MB in the end (delta: 6.6MB). Peak memory consumption was 40.2MB. Max. memory is 16.1GB. * RCFGBuilder took 11213.07ms. Allocated memory was 218.1MB in the beginning and 601.9MB in the end (delta: 383.8MB). Free memory was 117.8MB in the beginning and 280.0MB in the end (delta: -162.3MB). Peak memory consumption was 222.5MB. Max. memory is 16.1GB. * CodeCheck took 2679.04ms. Allocated memory is still 601.9MB. Free memory was 280.0MB in the beginning and 272.8MB in the end (delta: 7.2MB). Peak memory consumption was 7.3MB. Max. memory is 16.1GB. * Witness Printer took 126.94ms. Allocated memory is still 601.9MB. Free memory was 272.8MB in the beginning and 269.7MB 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! [2023-11-19 03:38:01,152 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c03c3b5-d66e-4561-9370-ded3153830f6/bin/ukojak-verify-G8NBE6pJGL/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)