./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cdfpl/newton_3_2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c175385c-4945-4f97-bc94-761efe593532/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c175385c-4945-4f97-bc94-761efe593532/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c175385c-4945-4f97-bc94-761efe593532/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c175385c-4945-4f97-bc94-761efe593532/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/newton_3_2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c175385c-4945-4f97-bc94-761efe593532/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c175385c-4945-4f97-bc94-761efe593532/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c1d4d49264539a089c5128bd7fc98307efecaf11cb51350b8359b7fe239beab3 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 06:21:33,066 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 06:21:33,119 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c175385c-4945-4f97-bc94-761efe593532/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 06:21:33,123 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 06:21:33,123 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 06:21:33,141 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 06:21:33,142 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 06:21:33,142 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 06:21:33,142 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 06:21:33,142 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 06:21:33,142 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 06:21:33,142 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 06:21:33,143 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 06:21:33,143 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 06:21:33,143 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 06:21:33,143 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 06:21:33,143 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 06:21:33,143 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 06:21:33,143 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 06:21:33,143 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 06:21:33,143 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 06:21:33,143 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 06:21:33,143 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 06:21:33,144 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 06:21:33,144 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 06:21:33,144 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 06:21:33,144 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 06:21:33,144 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 06:21:33,144 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 06:21:33,144 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 06:21:33,144 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 06:21:33,144 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 06:21:33,144 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 06:21:33,144 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_c175385c-4945-4f97-bc94-761efe593532/bin/ukojak-verify-CZk0znPC7b 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 ! call(reach_error())) ) 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 -> c1d4d49264539a089c5128bd7fc98307efecaf11cb51350b8359b7fe239beab3 [2024-12-06 06:21:33,375 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 06:21:33,383 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 06:21:33,385 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 06:21:33,386 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 06:21:33,387 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 06:21:33,388 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c175385c-4945-4f97-bc94-761efe593532/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/floats-cdfpl/newton_3_2.i [2024-12-06 06:21:36,058 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c175385c-4945-4f97-bc94-761efe593532/bin/ukojak-verify-CZk0znPC7b/data/9467eb9a2/7159c87c17f245faa2eea4f5628d3abc/FLAGcdc5d699e [2024-12-06 06:21:36,232 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 06:21:36,232 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c175385c-4945-4f97-bc94-761efe593532/sv-benchmarks/c/floats-cdfpl/newton_3_2.i [2024-12-06 06:21:36,240 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c175385c-4945-4f97-bc94-761efe593532/bin/ukojak-verify-CZk0znPC7b/data/9467eb9a2/7159c87c17f245faa2eea4f5628d3abc/FLAGcdc5d699e [2024-12-06 06:21:36,606 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c175385c-4945-4f97-bc94-761efe593532/bin/ukojak-verify-CZk0znPC7b/data/9467eb9a2/7159c87c17f245faa2eea4f5628d3abc [2024-12-06 06:21:36,608 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 06:21:36,609 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 06:21:36,610 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 06:21:36,610 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 06:21:36,614 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 06:21:36,615 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:21:36" (1/1) ... [2024-12-06 06:21:36,615 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2cdcbce4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:21:36, skipping insertion in model container [2024-12-06 06:21:36,616 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:21:36" (1/1) ... [2024-12-06 06:21:36,628 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 06:21:36,768 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c175385c-4945-4f97-bc94-761efe593532/sv-benchmarks/c/floats-cdfpl/newton_3_2.i[1764,1777] [2024-12-06 06:21:36,772 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 06:21:36,781 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 06:21:36,796 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c175385c-4945-4f97-bc94-761efe593532/sv-benchmarks/c/floats-cdfpl/newton_3_2.i[1764,1777] [2024-12-06 06:21:36,797 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 06:21:36,811 INFO L204 MainTranslator]: Completed translation [2024-12-06 06:21:36,811 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:21:36 WrapperNode [2024-12-06 06:21:36,811 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 06:21:36,812 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 06:21:36,812 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 06:21:36,813 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 06:21:36,819 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:21:36" (1/1) ... [2024-12-06 06:21:36,825 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:21:36" (1/1) ... [2024-12-06 06:21:36,840 INFO L138 Inliner]: procedures = 17, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 34 [2024-12-06 06:21:36,840 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 06:21:36,841 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 06:21:36,841 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 06:21:36,841 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 06:21:36,847 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:21:36" (1/1) ... [2024-12-06 06:21:36,847 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:21:36" (1/1) ... [2024-12-06 06:21:36,849 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:21:36" (1/1) ... [2024-12-06 06:21:36,849 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:21:36" (1/1) ... [2024-12-06 06:21:36,853 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:21:36" (1/1) ... [2024-12-06 06:21:36,853 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:21:36" (1/1) ... [2024-12-06 06:21:36,855 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:21:36" (1/1) ... [2024-12-06 06:21:36,856 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:21:36" (1/1) ... [2024-12-06 06:21:36,857 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:21:36" (1/1) ... [2024-12-06 06:21:36,858 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 06:21:36,859 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 06:21:36,859 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 06:21:36,859 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 06:21:36,860 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:21:36" (1/1) ... [2024-12-06 06:21:36,865 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 06:21:36,878 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c175385c-4945-4f97-bc94-761efe593532/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 06:21:36,890 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c175385c-4945-4f97-bc94-761efe593532/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 06:21:36,895 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c175385c-4945-4f97-bc94-761efe593532/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 06:21:36,919 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 06:21:36,919 INFO L130 BoogieDeclarations]: Found specification of procedure f [2024-12-06 06:21:36,919 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2024-12-06 06:21:36,919 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2024-12-06 06:21:36,919 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2024-12-06 06:21:36,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 06:21:36,919 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 06:21:36,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 06:21:36,974 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 06:21:36,976 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 06:21:37,083 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-12-06 06:21:37,084 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 06:21:37,119 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 06:21:37,119 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 06:21:37,120 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:21:37 BoogieIcfgContainer [2024-12-06 06:21:37,120 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 06:21:37,120 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 06:21:37,120 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 06:21:37,131 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 06:21:37,131 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:21:37" (1/1) ... [2024-12-06 06:21:37,139 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 06:21:37,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:21:37,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 19 states and 23 transitions. [2024-12-06 06:21:37,190 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2024-12-06 06:21:37,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-06 06:21:37,194 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:21:37,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:21:37,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 06:21:37,267 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 06:21:37,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 06:21:37,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 06:21:37,321 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 06:21:37,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 06:21:37,350 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-06 06:21:37,372 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 06:21:37 ImpRootNode [2024-12-06 06:21:37,372 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 06:21:37,372 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 06:21:37,372 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 06:21:37,373 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 06:21:37,373 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:21:37" (3/4) ... [2024-12-06 06:21:37,376 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 06:21:37,376 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 06:21:37,377 INFO L158 Benchmark]: Toolchain (without parser) took 768.57ms. Allocated memory is still 117.4MB. Free memory was 92.1MB in the beginning and 53.8MB in the end (delta: 38.3MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-12-06 06:21:37,378 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 117.4MB. Free memory is still 72.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 06:21:37,378 INFO L158 Benchmark]: CACSL2BoogieTranslator took 202.28ms. Allocated memory is still 117.4MB. Free memory was 91.9MB in the beginning and 80.7MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 06:21:37,378 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.07ms. Allocated memory is still 117.4MB. Free memory was 80.7MB in the beginning and 79.6MB in the end (delta: 1.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 06:21:37,379 INFO L158 Benchmark]: Boogie Preprocessor took 17.16ms. Allocated memory is still 117.4MB. Free memory was 79.6MB in the beginning and 78.8MB in the end (delta: 769.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 06:21:37,379 INFO L158 Benchmark]: RCFGBuilder took 261.09ms. Allocated memory is still 117.4MB. Free memory was 78.8MB in the beginning and 67.0MB in the end (delta: 11.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 06:21:37,380 INFO L158 Benchmark]: CodeCheck took 251.65ms. Allocated memory is still 117.4MB. Free memory was 66.8MB in the beginning and 54.0MB in the end (delta: 12.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 06:21:37,380 INFO L158 Benchmark]: Witness Printer took 4.05ms. Allocated memory is still 117.4MB. Free memory was 54.0MB in the beginning and 53.8MB in the end (delta: 188.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 06:21:37,382 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 3 procedures, 19 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 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, ConComCheckerStatistics: No data available - UnprovableResult [Line: 51]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 40, overapproximation of someBinaryDOUBLEComparisonOperation at line 50, overapproximation of someBinaryArithmeticFLOAToperation at line 46, overapproximation of someBinaryArithmeticFLOAToperation at line 44, overapproximation of someBinaryArithmeticFLOAToperation at line 42, overapproximation of someBinaryArithmeticFLOAToperation at line 34, overapproximation of someBinaryArithmeticFLOAToperation at line 29. Possible FailurePath: [L39] float IN = __VERIFIER_nondet_float(); [L40] CALL assume_abort_if_not(IN > -0.4f && IN < 0.4f) [L24] COND FALSE !(!cond) [L40] RET assume_abort_if_not(IN > -0.4f && IN < 0.4f) [L42] CALL, EXPR f(IN) VAL [\old(x)=2] [L29] return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; [L42] RET, EXPR f(IN) VAL [IN=2] [L42] CALL, EXPR fp(IN) VAL [\old(x)=2] [L34] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; [L42] RET, EXPR fp(IN) VAL [IN=2] [L42] float x = IN - f(IN)/fp(IN); [L44] CALL, EXPR f(x) VAL [\old(x)=3] [L29] return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; [L44] RET, EXPR f(x) VAL [IN=2, x=3] [L44] CALL, EXPR fp(x) VAL [\old(x)=3] [L34] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; [L44] RET, EXPR fp(x) VAL [IN=2, x=3] [L44] x = x - f(x)/fp(x) [L46] CALL, EXPR f(x) VAL [\old(x)=4] [L29] return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; [L46] RET, EXPR f(x) VAL [IN=2, x=4] [L46] CALL, EXPR fp(x) VAL [\old(x)=4] [L34] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; [L46] RET, EXPR fp(x) VAL [IN=2, x=4] [L46] x = x - f(x)/fp(x) [L50] COND TRUE !(x < 0.1) VAL [IN=2] [L51] reach_error() VAL [IN=2] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 117.4MB. Free memory is still 72.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 202.28ms. Allocated memory is still 117.4MB. Free memory was 91.9MB in the beginning and 80.7MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.07ms. Allocated memory is still 117.4MB. Free memory was 80.7MB in the beginning and 79.6MB in the end (delta: 1.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 17.16ms. Allocated memory is still 117.4MB. Free memory was 79.6MB in the beginning and 78.8MB in the end (delta: 769.6kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 261.09ms. Allocated memory is still 117.4MB. Free memory was 78.8MB in the beginning and 67.0MB in the end (delta: 11.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 251.65ms. Allocated memory is still 117.4MB. Free memory was 66.8MB in the beginning and 54.0MB in the end (delta: 12.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 4.05ms. Allocated memory is still 117.4MB. Free memory was 54.0MB in the beginning and 53.8MB in the end (delta: 188.6kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-06 06:21:37,396 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c175385c-4945-4f97-bc94-761efe593532/bin/ukojak-verify-CZk0znPC7b/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c175385c-4945-4f97-bc94-761efe593532/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c175385c-4945-4f97-bc94-761efe593532/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c175385c-4945-4f97-bc94-761efe593532/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c175385c-4945-4f97-bc94-761efe593532/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/newton_3_2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c175385c-4945-4f97-bc94-761efe593532/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c175385c-4945-4f97-bc94-761efe593532/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c1d4d49264539a089c5128bd7fc98307efecaf11cb51350b8359b7fe239beab3 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 06:21:39,327 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 06:21:39,403 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c175385c-4945-4f97-bc94-761efe593532/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-06 06:21:39,429 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 06:21:39,429 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 06:21:39,430 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 06:21:39,430 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 06:21:39,430 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 06:21:39,430 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 06:21:39,430 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 06:21:39,430 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 06:21:39,430 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 06:21:39,431 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 06:21:39,431 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 06:21:39,431 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 06:21:39,431 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 06:21:39,431 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 06:21:39,431 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 06:21:39,431 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 06:21:39,431 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 06:21:39,431 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 06:21:39,431 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 06:21:39,431 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 06:21:39,432 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 06:21:39,432 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 06:21:39,432 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 06:21:39,432 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 06:21:39,432 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 06:21:39,432 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 06:21:39,432 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 06:21:39,432 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 06:21:39,432 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 06:21:39,432 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 06:21:39,432 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 06:21:39,432 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 06:21:39,433 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 06:21:39,433 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_c175385c-4945-4f97-bc94-761efe593532/bin/ukojak-verify-CZk0znPC7b 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 ! call(reach_error())) ) 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 -> c1d4d49264539a089c5128bd7fc98307efecaf11cb51350b8359b7fe239beab3 [2024-12-06 06:21:39,652 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 06:21:39,659 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 06:21:39,661 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 06:21:39,662 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 06:21:39,662 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 06:21:39,663 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c175385c-4945-4f97-bc94-761efe593532/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/floats-cdfpl/newton_3_2.i [2024-12-06 06:21:42,266 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c175385c-4945-4f97-bc94-761efe593532/bin/ukojak-verify-CZk0znPC7b/data/d70270439/77dec0944d724c6ab6cd7d92a343a1b5/FLAGf46136025 [2024-12-06 06:21:42,480 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 06:21:42,481 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c175385c-4945-4f97-bc94-761efe593532/sv-benchmarks/c/floats-cdfpl/newton_3_2.i [2024-12-06 06:21:42,489 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c175385c-4945-4f97-bc94-761efe593532/bin/ukojak-verify-CZk0znPC7b/data/d70270439/77dec0944d724c6ab6cd7d92a343a1b5/FLAGf46136025 [2024-12-06 06:21:42,859 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c175385c-4945-4f97-bc94-761efe593532/bin/ukojak-verify-CZk0znPC7b/data/d70270439/77dec0944d724c6ab6cd7d92a343a1b5 [2024-12-06 06:21:42,860 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 06:21:42,862 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 06:21:42,863 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 06:21:42,863 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 06:21:42,867 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 06:21:42,868 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:21:42" (1/1) ... [2024-12-06 06:21:42,868 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2aac7c6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:21:42, skipping insertion in model container [2024-12-06 06:21:42,869 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:21:42" (1/1) ... [2024-12-06 06:21:42,882 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 06:21:43,015 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c175385c-4945-4f97-bc94-761efe593532/sv-benchmarks/c/floats-cdfpl/newton_3_2.i[1764,1777] [2024-12-06 06:21:43,018 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 06:21:43,031 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 06:21:43,046 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c175385c-4945-4f97-bc94-761efe593532/sv-benchmarks/c/floats-cdfpl/newton_3_2.i[1764,1777] [2024-12-06 06:21:43,047 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 06:21:43,058 INFO L204 MainTranslator]: Completed translation [2024-12-06 06:21:43,059 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:21:43 WrapperNode [2024-12-06 06:21:43,059 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 06:21:43,060 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 06:21:43,060 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 06:21:43,060 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 06:21:43,065 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:21:43" (1/1) ... [2024-12-06 06:21:43,072 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:21:43" (1/1) ... [2024-12-06 06:21:43,083 INFO L138 Inliner]: procedures = 18, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 35 [2024-12-06 06:21:43,084 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 06:21:43,084 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 06:21:43,084 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 06:21:43,084 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 06:21:43,089 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:21:43" (1/1) ... [2024-12-06 06:21:43,089 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:21:43" (1/1) ... [2024-12-06 06:21:43,091 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:21:43" (1/1) ... [2024-12-06 06:21:43,091 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:21:43" (1/1) ... [2024-12-06 06:21:43,097 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:21:43" (1/1) ... [2024-12-06 06:21:43,098 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:21:43" (1/1) ... [2024-12-06 06:21:43,100 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:21:43" (1/1) ... [2024-12-06 06:21:43,101 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:21:43" (1/1) ... [2024-12-06 06:21:43,102 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:21:43" (1/1) ... [2024-12-06 06:21:43,104 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 06:21:43,105 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 06:21:43,105 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 06:21:43,105 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 06:21:43,106 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:21:43" (1/1) ... [2024-12-06 06:21:43,111 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 06:21:43,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c175385c-4945-4f97-bc94-761efe593532/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 06:21:43,134 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c175385c-4945-4f97-bc94-761efe593532/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 06:21:43,136 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c175385c-4945-4f97-bc94-761efe593532/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 06:21:43,160 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 06:21:43,160 INFO L130 BoogieDeclarations]: Found specification of procedure f [2024-12-06 06:21:43,161 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2024-12-06 06:21:43,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 06:21:43,161 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2024-12-06 06:21:43,161 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2024-12-06 06:21:43,161 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 06:21:43,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 06:21:43,219 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 06:21:43,221 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 06:22:08,960 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2024-12-06 06:22:08,960 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 06:22:09,006 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 06:22:09,006 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 06:22:09,006 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:22:09 BoogieIcfgContainer [2024-12-06 06:22:09,007 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 06:22:09,007 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 06:22:09,007 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 06:22:09,014 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 06:22:09,014 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:22:09" (1/1) ... [2024-12-06 06:22:09,020 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 06:22:09,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:22:09,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 19 states and 23 transitions. [2024-12-06 06:22:09,064 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2024-12-06 06:22:09,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-06 06:22:09,068 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:22:09,069 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:22:09,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c175385c-4945-4f97-bc94-761efe593532/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:22:09,071 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c175385c-4945-4f97-bc94-761efe593532/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:22:09,072 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c175385c-4945-4f97-bc94-761efe593532/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process