./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/float-benchs/filter2_reinit.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b78e8c21-ba30-4efb-a5fc-032ce96be139/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b78e8c21-ba30-4efb-a5fc-032ce96be139/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b78e8c21-ba30-4efb-a5fc-032ce96be139/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b78e8c21-ba30-4efb-a5fc-032ce96be139/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/filter2_reinit.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b78e8c21-ba30-4efb-a5fc-032ce96be139/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b78e8c21-ba30-4efb-a5fc-032ce96be139/bin/ukojak-verify-ImItNfHLgk --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 77348271d6b3efbe553fb980482d4643f648de35ae877e068f35f88b7419ce44 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:52:45,391 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:52:45,499 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b78e8c21-ba30-4efb-a5fc-032ce96be139/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-11-08 22:52:45,505 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:52:45,506 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 22:52:45,549 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:52:45,551 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:52:45,551 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:52:45,552 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:52:45,554 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:52:45,556 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:52:45,557 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:52:45,557 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 22:52:45,560 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:52:45,561 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 22:52:45,561 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:52:45,562 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:52:45,562 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:52:45,563 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:52:45,563 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:52:45,563 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 22:52:45,567 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 22:52:45,568 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 22:52:45,568 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:52:45,568 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:52:45,569 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:52:45,569 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:52:45,569 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:52:45,570 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:52:45,570 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:52:45,571 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:52:45,571 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:52:45,572 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:52:45,572 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 22:52:45,572 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:52:45,573 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_b78e8c21-ba30-4efb-a5fc-032ce96be139/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b78e8c21-ba30-4efb-a5fc-032ce96be139/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 77348271d6b3efbe553fb980482d4643f648de35ae877e068f35f88b7419ce44 [2024-11-08 22:52:45,871 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:52:45,900 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:52:45,903 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:52:45,906 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:52:45,906 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:52:45,908 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b78e8c21-ba30-4efb-a5fc-032ce96be139/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/float-benchs/filter2_reinit.c Unable to find full path for "g++" [2024-11-08 22:52:48,098 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:52:48,332 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:52:48,333 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b78e8c21-ba30-4efb-a5fc-032ce96be139/sv-benchmarks/c/float-benchs/filter2_reinit.c [2024-11-08 22:52:48,344 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b78e8c21-ba30-4efb-a5fc-032ce96be139/bin/ukojak-verify-ImItNfHLgk/data/13698e75b/7d5cabb9d3a2450ba176cb95cc07bc91/FLAG3d8979b15 [2024-11-08 22:52:48,378 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b78e8c21-ba30-4efb-a5fc-032ce96be139/bin/ukojak-verify-ImItNfHLgk/data/13698e75b/7d5cabb9d3a2450ba176cb95cc07bc91 [2024-11-08 22:52:48,382 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:52:48,384 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:52:48,388 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:52:48,389 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:52:48,396 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:52:48,397 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:52:48" (1/1) ... [2024-11-08 22:52:48,399 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40400757 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:52:48, skipping insertion in model container [2024-11-08 22:52:48,399 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:52:48" (1/1) ... [2024-11-08 22:52:48,436 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:52:48,717 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:52:48,731 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:52:48,750 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:52:48,768 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:52:48,769 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:52:48 WrapperNode [2024-11-08 22:52:48,769 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:52:48,770 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:52:48,770 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:52:48,770 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:52:48,779 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:52:48" (1/1) ... [2024-11-08 22:52:48,787 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:52:48" (1/1) ... [2024-11-08 22:52:48,808 INFO L138 Inliner]: procedures = 15, calls = 12, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 63 [2024-11-08 22:52:48,809 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:52:48,810 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:52:48,810 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:52:48,810 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:52:48,821 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:52:48" (1/1) ... [2024-11-08 22:52:48,821 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:52:48" (1/1) ... [2024-11-08 22:52:48,823 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:52:48" (1/1) ... [2024-11-08 22:52:48,823 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:52:48" (1/1) ... [2024-11-08 22:52:48,828 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:52:48" (1/1) ... [2024-11-08 22:52:48,832 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:52:48" (1/1) ... [2024-11-08 22:52:48,834 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:52:48" (1/1) ... [2024-11-08 22:52:48,835 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:52:48" (1/1) ... [2024-11-08 22:52:48,837 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:52:48,838 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:52:48,838 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:52:48,839 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:52:48,840 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:52:48" (1/1) ... [2024-11-08 22:52:48,847 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:52:48,862 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b78e8c21-ba30-4efb-a5fc-032ce96be139/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:52:48,884 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b78e8c21-ba30-4efb-a5fc-032ce96be139/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:52:48,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b78e8c21-ba30-4efb-a5fc-032ce96be139/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:52:48,926 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:52:48,926 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 22:52:48,926 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 22:52:48,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 22:52:48,927 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:52:48,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:52:48,999 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:52:49,001 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:52:49,188 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-08 22:52:49,189 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:52:49,255 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:52:49,255 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 22:52:49,256 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:52:49 BoogieIcfgContainer [2024-11-08 22:52:49,256 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:52:49,257 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:52:49,257 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:52:49,270 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:52:49,270 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:52:49" (1/1) ... [2024-11-08 22:52:49,281 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:52:49,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:49,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 16 states and 19 transitions. [2024-11-08 22:52:49,378 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2024-11-08 22:52:49,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-08 22:52:49,383 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:49,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:52:49,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:49,766 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-08 22:52:49,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:49,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 21 states and 26 transitions. [2024-11-08 22:52:49,945 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 26 transitions. [2024-11-08 22:52:49,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-08 22:52:49,945 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:49,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:52:49,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:50,126 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-08 22:52:50,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:50,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 22 states and 27 transitions. [2024-11-08 22:52:50,161 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2024-11-08 22:52:50,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-08 22:52:50,162 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:50,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:52:50,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:50,418 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-08 22:52:50,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:50,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 27 states and 34 transitions. [2024-11-08 22:52:50,617 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 34 transitions. [2024-11-08 22:52:50,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-08 22:52:50,619 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:50,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:52:50,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:50,748 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-08 22:52:51,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:51,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 26 states and 32 transitions. [2024-11-08 22:52:51,021 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 32 transitions. [2024-11-08 22:52:51,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 22:52:51,022 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:51,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:52:51,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:51,199 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 5 proven. 11 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-08 22:52:51,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:51,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 20 states and 23 transitions. [2024-11-08 22:52:51,302 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2024-11-08 22:52:51,303 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-08 22:52:51,303 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2024-11-08 22:52:51,316 INFO L729 CodeCheckObserver]: All specifications hold 2 specifications checked. All of them hold [2024-11-08 22:52:51,391 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 34) the Hoare annotation is: true [2024-11-08 22:52:51,392 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-08 22:52:51,392 INFO L77 FloydHoareUtils]: At program point L29(line 29) the Hoare annotation is: true [2024-11-08 22:52:51,392 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-08 22:52:51,392 INFO L77 FloydHoareUtils]: At program point L40(line 40) the Hoare annotation is: (<= |ULTIMATE.start_main_~i~0#1| 1000000) [2024-11-08 22:52:51,393 INFO L77 FloydHoareUtils]: At program point L40-1(line 40) the Hoare annotation is: true [2024-11-08 22:52:51,393 INFO L77 FloydHoareUtils]: At program point L34-1(lines 34 54) the Hoare annotation is: (<= |ULTIMATE.start_main_~i~0#1| 1000000) [2024-11-08 22:52:51,393 INFO L77 FloydHoareUtils]: At program point L34-3(line 34) the Hoare annotation is: true [2024-11-08 22:52:51,393 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 34) the Hoare annotation is: true [2024-11-08 22:52:51,393 INFO L77 FloydHoareUtils]: At program point L34-4(line 34) the Hoare annotation is: true [2024-11-08 22:52:51,394 INFO L77 FloydHoareUtils]: At program point L34-5(lines 34 54) the Hoare annotation is: true [2024-11-08 22:52:51,394 INFO L77 FloydHoareUtils]: At program point L28(line 28) the Hoare annotation is: true [2024-11-08 22:52:51,394 INFO L77 FloydHoareUtils]: At program point L34-6(lines 34 54) the Hoare annotation is: true [2024-11-08 22:52:51,394 INFO L77 FloydHoareUtils]: At program point L28-1(line 28) the Hoare annotation is: true [2024-11-08 22:52:51,394 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 15 17) the Hoare annotation is: true [2024-11-08 22:52:51,395 INFO L77 FloydHoareUtils]: At program point assume_abort_if_notEXIT(lines 15 17) the Hoare annotation is: true [2024-11-08 22:52:51,413 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:52:51 ImpRootNode [2024-11-08 22:52:51,414 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:52:51,414 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:52:51,415 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:52:51,415 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:52:51,416 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:52:49" (3/4) ... [2024-11-08 22:52:51,419 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-08 22:52:51,424 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-11-08 22:52:51,430 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2024-11-08 22:52:51,431 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2024-11-08 22:52:51,432 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-08 22:52:51,432 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-08 22:52:51,558 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b78e8c21-ba30-4efb-a5fc-032ce96be139/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-08 22:52:51,558 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b78e8c21-ba30-4efb-a5fc-032ce96be139/bin/ukojak-verify-ImItNfHLgk/witness.yml [2024-11-08 22:52:51,558 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:52:51,559 INFO L158 Benchmark]: Toolchain (without parser) took 3175.02ms. Allocated memory was 132.1MB in the beginning and 174.1MB in the end (delta: 41.9MB). Free memory was 94.1MB in the beginning and 110.5MB in the end (delta: -16.4MB). Peak memory consumption was 28.6MB. Max. memory is 16.1GB. [2024-11-08 22:52:51,560 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 132.1MB. Free memory is still 74.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:52:51,560 INFO L158 Benchmark]: CACSL2BoogieTranslator took 380.98ms. Allocated memory is still 132.1MB. Free memory was 93.8MB in the beginning and 81.5MB in the end (delta: 12.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-08 22:52:51,565 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.87ms. Allocated memory is still 132.1MB. Free memory was 81.2MB in the beginning and 79.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:52:51,565 INFO L158 Benchmark]: Boogie Preprocessor took 27.68ms. Allocated memory is still 132.1MB. Free memory was 79.9MB in the beginning and 78.6MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:52:51,566 INFO L158 Benchmark]: RCFGBuilder took 418.17ms. Allocated memory is still 132.1MB. Free memory was 78.6MB in the beginning and 65.5MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 22:52:51,566 INFO L158 Benchmark]: CodeCheck took 2156.77ms. Allocated memory was 132.1MB in the beginning and 174.1MB in the end (delta: 41.9MB). Free memory was 65.3MB in the beginning and 115.8MB in the end (delta: -50.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:52:51,567 INFO L158 Benchmark]: Witness Printer took 143.99ms. Allocated memory is still 174.1MB. Free memory was 115.8MB in the beginning and 110.5MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-08 22:52:51,569 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 16 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 2.0s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 155 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 50 mSDsluCounter, 65 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 85 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 265 IncrementalHoareTripleChecker+Invalid, 350 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 85 mSolverCounterUnsat, 65 mSDtfsCounter, 265 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 654 GetRequests, 616 SyntacticMatches, 12 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 221 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 109 NumberOfCodeBlocks, 109 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 104 ConstructedInterpolants, 0 QuantifiedInterpolants, 192 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 3 PerfectInterpolantSequences, 67/83 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 132.1MB. Free memory is still 74.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 380.98ms. Allocated memory is still 132.1MB. Free memory was 93.8MB in the beginning and 81.5MB in the end (delta: 12.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.87ms. Allocated memory is still 132.1MB. Free memory was 81.2MB in the beginning and 79.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 27.68ms. Allocated memory is still 132.1MB. Free memory was 79.9MB in the beginning and 78.6MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 418.17ms. Allocated memory is still 132.1MB. Free memory was 78.6MB in the beginning and 65.5MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 2156.77ms. Allocated memory was 132.1MB in the beginning and 174.1MB in the end (delta: 41.9MB). Free memory was 65.3MB in the beginning and 115.8MB in the end (delta: -50.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 143.99ms. Allocated memory is still 174.1MB. Free memory was 115.8MB in the beginning and 110.5MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-08 22:52:51,605 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b78e8c21-ba30-4efb-a5fc-032ce96be139/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE