./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-15.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability 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_3c5006fa-a141-4b7f-bdf7-c1bbc731fb1c/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c5006fa-a141-4b7f-bdf7-c1bbc731fb1c/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c5006fa-a141-4b7f-bdf7-c1bbc731fb1c/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c5006fa-a141-4b7f-bdf7-c1bbc731fb1c/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-15.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c5006fa-a141-4b7f-bdf7-c1bbc731fb1c/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c5006fa-a141-4b7f-bdf7-c1bbc731fb1c/bin/uautomizer-verify-uCwYo4JHxu --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 16ad83f9637e102c4cb7f07e80bc5a2852579b651b6bdeed800384bf5e7921a8 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:50:42,673 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:50:42,764 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c5006fa-a141-4b7f-bdf7-c1bbc731fb1c/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-19 07:50:42,770 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:50:42,770 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:50:42,819 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:50:42,821 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:50:42,822 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:50:42,823 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:50:42,828 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:50:42,830 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:50:42,830 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:50:42,831 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:50:42,833 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:50:42,833 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:50:42,834 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:50:42,834 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:50:42,835 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:50:42,835 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:50:42,836 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:50:42,836 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:50:42,837 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:50:42,838 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:50:42,838 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:50:42,839 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:50:42,839 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:50:42,840 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:50:42,840 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:50:42,841 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:50:42,841 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:50:42,842 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:50:42,842 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:50:42,842 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:50:42,843 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:50:42,843 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:50:42,843 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:50:42,843 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:50:42,844 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:50:42,844 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:50:42,844 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_3c5006fa-a141-4b7f-bdf7-c1bbc731fb1c/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c5006fa-a141-4b7f-bdf7-c1bbc731fb1c/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 16ad83f9637e102c4cb7f07e80bc5a2852579b651b6bdeed800384bf5e7921a8 [2023-11-19 07:50:43,149 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:50:43,181 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:50:43,184 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:50:43,185 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:50:43,186 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:50:43,187 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c5006fa-a141-4b7f-bdf7-c1bbc731fb1c/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-15.i [2023-11-19 07:50:46,371 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:50:46,622 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:50:46,623 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c5006fa-a141-4b7f-bdf7-c1bbc731fb1c/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-15.i [2023-11-19 07:50:46,633 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c5006fa-a141-4b7f-bdf7-c1bbc731fb1c/bin/uautomizer-verify-uCwYo4JHxu/data/672d3b889/02ec8b2278c14bfd95ac526ac80b388b/FLAG0d41816ae [2023-11-19 07:50:46,647 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c5006fa-a141-4b7f-bdf7-c1bbc731fb1c/bin/uautomizer-verify-uCwYo4JHxu/data/672d3b889/02ec8b2278c14bfd95ac526ac80b388b [2023-11-19 07:50:46,649 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:50:46,651 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:50:46,653 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:50:46,653 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:50:46,659 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:50:46,660 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:50:46" (1/1) ... [2023-11-19 07:50:46,662 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@913296f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:46, skipping insertion in model container [2023-11-19 07:50:46,662 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:50:46" (1/1) ... [2023-11-19 07:50:46,696 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:50:46,881 WARN L240 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_3c5006fa-a141-4b7f-bdf7-c1bbc731fb1c/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-15.i[917,930] [2023-11-19 07:50:46,925 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:50:46,937 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:50:46,948 WARN L240 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_3c5006fa-a141-4b7f-bdf7-c1bbc731fb1c/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-15.i[917,930] [2023-11-19 07:50:46,983 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:50:47,002 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:50:47,003 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:47 WrapperNode [2023-11-19 07:50:47,003 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:50:47,005 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:50:47,005 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:50:47,005 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:50:47,028 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:47" (1/1) ... [2023-11-19 07:50:47,039 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:47" (1/1) ... [2023-11-19 07:50:47,069 INFO L138 Inliner]: procedures = 26, calls = 25, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 101 [2023-11-19 07:50:47,069 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:50:47,070 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:50:47,070 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:50:47,070 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:50:47,084 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:47" (1/1) ... [2023-11-19 07:50:47,085 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:47" (1/1) ... [2023-11-19 07:50:47,087 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:47" (1/1) ... [2023-11-19 07:50:47,088 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:47" (1/1) ... [2023-11-19 07:50:47,094 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:47" (1/1) ... [2023-11-19 07:50:47,098 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:47" (1/1) ... [2023-11-19 07:50:47,100 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:47" (1/1) ... [2023-11-19 07:50:47,102 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:47" (1/1) ... [2023-11-19 07:50:47,104 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:50:47,106 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:50:47,106 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:50:47,106 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:50:47,107 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:47" (1/1) ... [2023-11-19 07:50:47,113 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:50:47,130 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c5006fa-a141-4b7f-bdf7-c1bbc731fb1c/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:50:47,144 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c5006fa-a141-4b7f-bdf7-c1bbc731fb1c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:50:47,168 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c5006fa-a141-4b7f-bdf7-c1bbc731fb1c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:50:47,196 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:50:47,196 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 07:50:47,197 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 07:50:47,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:50:47,197 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:50:47,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:50:47,299 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:50:47,302 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:50:47,572 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:50:47,580 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:50:47,581 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 07:50:47,584 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:50:47 BoogieIcfgContainer [2023-11-19 07:50:47,585 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:50:47,587 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:50:47,587 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:50:47,591 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:50:47,591 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:50:46" (1/3) ... [2023-11-19 07:50:47,592 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e73220f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:50:47, skipping insertion in model container [2023-11-19 07:50:47,592 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:47" (2/3) ... [2023-11-19 07:50:47,592 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e73220f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:50:47, skipping insertion in model container [2023-11-19 07:50:47,593 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:50:47" (3/3) ... [2023-11-19 07:50:47,594 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-15.i [2023-11-19 07:50:47,609 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:50:47,610 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 07:50:47,659 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:50:47,666 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4bb41a78, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:50:47,666 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 07:50:47,671 INFO L276 IsEmpty]: Start isEmpty. Operand has 46 states, 31 states have (on average 1.3548387096774193) internal successors, (42), 32 states have internal predecessors, (42), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-19 07:50:47,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-11-19 07:50:47,681 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:50:47,681 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:50:47,682 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:50:47,687 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:50:47,687 INFO L85 PathProgramCache]: Analyzing trace with hash -1601258831, now seen corresponding path program 1 times [2023-11-19 07:50:47,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:50:47,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1671847557] [2023-11-19 07:50:47,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:50:47,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:50:47,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:50:47,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-19 07:50:47,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:50:47,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-19 07:50:47,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:50:47,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-19 07:50:47,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:50:47,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-19 07:50:47,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:50:48,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-11-19 07:50:48,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:50:48,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-19 07:50:48,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:50:48,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-19 07:50:48,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:50:48,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-19 07:50:48,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:50:48,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-19 07:50:48,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:50:48,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-11-19 07:50:48,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:50:48,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-19 07:50:48,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:50:48,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-11-19 07:50:48,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:50:48,103 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-19 07:50:48,104 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:50:48,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1671847557] [2023-11-19 07:50:48,105 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1671847557] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:50:48,106 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:50:48,106 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:50:48,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [707464934] [2023-11-19 07:50:48,109 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:50:48,121 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 07:50:48,121 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:50:48,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 07:50:48,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 07:50:48,175 INFO L87 Difference]: Start difference. First operand has 46 states, 31 states have (on average 1.3548387096774193) internal successors, (42), 32 states have internal predecessors, (42), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-19 07:50:48,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:50:48,232 INFO L93 Difference]: Finished difference Result 85 states and 138 transitions. [2023-11-19 07:50:48,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 07:50:48,235 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) Word has length 82 [2023-11-19 07:50:48,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:50:48,246 INFO L225 Difference]: With dead ends: 85 [2023-11-19 07:50:48,246 INFO L226 Difference]: Without dead ends: 42 [2023-11-19 07:50:48,251 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 07:50:48,257 INFO L413 NwaCegarLoop]: 58 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:50:48,258 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:50:48,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2023-11-19 07:50:48,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2023-11-19 07:50:48,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 28 states have (on average 1.2142857142857142) internal successors, (34), 28 states have internal predecessors, (34), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-19 07:50:48,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 58 transitions. [2023-11-19 07:50:48,316 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 58 transitions. Word has length 82 [2023-11-19 07:50:48,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:50:48,321 INFO L495 AbstractCegarLoop]: Abstraction has 42 states and 58 transitions. [2023-11-19 07:50:48,322 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-19 07:50:48,322 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 58 transitions. [2023-11-19 07:50:48,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-11-19 07:50:48,333 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:50:48,333 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:50:48,334 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 07:50:48,334 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:50:48,335 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:50:48,335 INFO L85 PathProgramCache]: Analyzing trace with hash 109782457, now seen corresponding path program 1 times [2023-11-19 07:50:48,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:50:48,336 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [352739871] [2023-11-19 07:50:48,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:50:48,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:50:48,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:50:48,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-19 07:50:48,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:50:48,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-19 07:50:48,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:50:48,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-19 07:50:48,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:50:48,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-19 07:50:48,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:50:48,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-11-19 07:50:48,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:50:48,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-19 07:50:48,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:50:48,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-19 07:50:49,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:50:49,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-19 07:50:49,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:50:49,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-19 07:50:49,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:50:49,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-11-19 07:50:49,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:50:49,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-19 07:50:49,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:50:49,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-11-19 07:50:49,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:50:49,028 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-19 07:50:49,029 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:50:49,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [352739871] [2023-11-19 07:50:49,029 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [352739871] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:50:49,029 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:50:49,029 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 07:50:49,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [34666678] [2023-11-19 07:50:49,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:50:49,031 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 07:50:49,032 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:50:49,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 07:50:49,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:50:49,033 INFO L87 Difference]: Start difference. First operand 42 states and 58 transitions. Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-19 07:50:49,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:50:49,112 INFO L93 Difference]: Finished difference Result 95 states and 131 transitions. [2023-11-19 07:50:49,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 07:50:49,113 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 82 [2023-11-19 07:50:49,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:50:49,115 INFO L225 Difference]: With dead ends: 95 [2023-11-19 07:50:49,116 INFO L226 Difference]: Without dead ends: 56 [2023-11-19 07:50:49,117 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:50:49,118 INFO L413 NwaCegarLoop]: 61 mSDtfsCounter, 15 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 159 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 07:50:49,119 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 159 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 07:50:49,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2023-11-19 07:50:49,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 45. [2023-11-19 07:50:49,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 31 states have (on average 1.1935483870967742) internal successors, (37), 31 states have internal predecessors, (37), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-19 07:50:49,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 61 transitions. [2023-11-19 07:50:49,133 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 61 transitions. Word has length 82 [2023-11-19 07:50:49,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:50:49,135 INFO L495 AbstractCegarLoop]: Abstraction has 45 states and 61 transitions. [2023-11-19 07:50:49,135 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-19 07:50:49,135 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 61 transitions. [2023-11-19 07:50:49,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-11-19 07:50:49,144 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:50:49,145 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:50:49,145 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 07:50:49,145 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:50:49,146 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:50:49,146 INFO L85 PathProgramCache]: Analyzing trace with hash -19505799, now seen corresponding path program 1 times [2023-11-19 07:50:49,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:50:49,147 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1827581242] [2023-11-19 07:50:49,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:50:49,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:50:49,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:50:49,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-19 07:50:49,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:50:49,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-19 07:50:49,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:50:49,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-19 07:50:49,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:50:49,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-19 07:50:49,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:50:49,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-11-19 07:50:49,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:50:49,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-19 07:50:49,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:50:49,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-19 07:50:49,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:50:49,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-19 07:50:49,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:50:49,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-19 07:50:49,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:50:49,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-11-19 07:50:49,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:50:49,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-19 07:50:49,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:50:49,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-11-19 07:50:49,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:50:49,463 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-19 07:50:49,463 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:50:49,463 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1827581242] [2023-11-19 07:50:49,464 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1827581242] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:50:49,465 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:50:49,466 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 07:50:49,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [581810324] [2023-11-19 07:50:49,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:50:49,467 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:50:49,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:50:49,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:50:49,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:50:49,470 INFO L87 Difference]: Start difference. First operand 45 states and 61 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-19 07:50:49,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:50:49,532 INFO L93 Difference]: Finished difference Result 127 states and 175 transitions. [2023-11-19 07:50:49,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:50:49,532 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 82 [2023-11-19 07:50:49,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:50:49,539 INFO L225 Difference]: With dead ends: 127 [2023-11-19 07:50:49,539 INFO L226 Difference]: Without dead ends: 85 [2023-11-19 07:50:49,543 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:50:49,544 INFO L413 NwaCegarLoop]: 67 mSDtfsCounter, 28 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 116 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:50:49,545 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 116 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:50:49,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2023-11-19 07:50:49,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 82. [2023-11-19 07:50:49,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 55 states have (on average 1.2) internal successors, (66), 55 states have internal predecessors, (66), 24 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-19 07:50:49,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 114 transitions. [2023-11-19 07:50:49,571 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 114 transitions. Word has length 82 [2023-11-19 07:50:49,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:50:49,572 INFO L495 AbstractCegarLoop]: Abstraction has 82 states and 114 transitions. [2023-11-19 07:50:49,573 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-19 07:50:49,573 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 114 transitions. [2023-11-19 07:50:49,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-11-19 07:50:49,577 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:50:49,579 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:50:49,579 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-19 07:50:49,580 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:50:49,580 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:50:49,581 INFO L85 PathProgramCache]: Analyzing trace with hash -636021362, now seen corresponding path program 1 times [2023-11-19 07:50:49,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:50:49,581 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [218208323] [2023-11-19 07:50:49,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:50:49,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:50:49,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:50:49,809 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:50:49,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:50:50,045 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:50:50,045 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 07:50:50,046 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 07:50:50,048 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-19 07:50:50,055 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-11-19 07:50:50,060 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 07:50:50,176 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:50:50 BoogieIcfgContainer [2023-11-19 07:50:50,176 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 07:50:50,177 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 07:50:50,177 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 07:50:50,177 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 07:50:50,178 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:50:47" (3/4) ... [2023-11-19 07:50:50,180 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 07:50:50,181 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 07:50:50,182 INFO L158 Benchmark]: Toolchain (without parser) took 3530.69ms. Allocated memory was 117.4MB in the beginning and 184.5MB in the end (delta: 67.1MB). Free memory was 50.2MB in the beginning and 129.3MB in the end (delta: -79.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:50:50,182 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 117.4MB. Free memory was 90.5MB in the beginning and 90.4MB in the end (delta: 160.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:50:50,187 INFO L158 Benchmark]: CACSL2BoogieTranslator took 351.12ms. Allocated memory was 117.4MB in the beginning and 153.1MB in the end (delta: 35.7MB). Free memory was 50.1MB in the beginning and 119.7MB in the end (delta: -69.7MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. [2023-11-19 07:50:50,187 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.69ms. Allocated memory is still 153.1MB. Free memory was 119.7MB in the beginning and 117.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:50:50,190 INFO L158 Benchmark]: Boogie Preprocessor took 34.64ms. Allocated memory is still 153.1MB. Free memory was 117.6MB in the beginning and 116.3MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:50:50,190 INFO L158 Benchmark]: RCFGBuilder took 479.14ms. Allocated memory is still 153.1MB. Free memory was 116.3MB in the beginning and 114.9MB in the end (delta: 1.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-19 07:50:50,190 INFO L158 Benchmark]: TraceAbstraction took 2589.06ms. Allocated memory was 153.1MB in the beginning and 184.5MB in the end (delta: 31.5MB). Free memory was 114.0MB in the beginning and 130.3MB in the end (delta: -16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 07:50:50,191 INFO L158 Benchmark]: Witness Printer took 4.49ms. Allocated memory is still 184.5MB. Free memory was 130.3MB in the beginning and 129.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:50:50,194 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 117.4MB. Free memory was 90.5MB in the beginning and 90.4MB in the end (delta: 160.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 351.12ms. Allocated memory was 117.4MB in the beginning and 153.1MB in the end (delta: 35.7MB). Free memory was 50.1MB in the beginning and 119.7MB in the end (delta: -69.7MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.69ms. Allocated memory is still 153.1MB. Free memory was 119.7MB in the beginning and 117.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.64ms. Allocated memory is still 153.1MB. Free memory was 117.6MB in the beginning and 116.3MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 479.14ms. Allocated memory is still 153.1MB. Free memory was 116.3MB in the beginning and 114.9MB in the end (delta: 1.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * TraceAbstraction took 2589.06ms. Allocated memory was 153.1MB in the beginning and 184.5MB in the end (delta: 31.5MB). Free memory was 114.0MB in the beginning and 130.3MB in the end (delta: -16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 4.49ms. Allocated memory is still 184.5MB. Free memory was 130.3MB in the beginning and 129.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: 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 someBinaryDOUBLEComparisonOperation at line 91, overapproximation of someBinaryArithmeticDOUBLEoperation at line 60. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed char var_1_1 = -128; [L23] unsigned char var_1_2 = 1; [L24] unsigned char var_1_6 = 1; [L25] signed char var_1_7 = 8; [L26] unsigned long int var_1_8 = 1; [L27] unsigned long int var_1_9 = 1885310857; [L28] signed long int var_1_10 = -10; [L29] double var_1_11 = 32.6; [L30] double var_1_12 = 9.75; [L31] double var_1_13 = 5.1; [L32] double var_1_14 = 128.1; [L33] double var_1_15 = 63.9; [L34] signed long int last_1_var_1_10 = -10; VAL [isInitial=0, last_1_var_1_10=-10, var_1_10=-10, var_1_11=163/5, var_1_12=39/4, var_1_13=51/10, var_1_14=1281/10, var_1_15=639/10, var_1_1=-128, var_1_2=1, var_1_6=1, var_1_7=8, var_1_8=1, var_1_9=1885310857] [L95] isInitial = 1 [L96] FCALL initially() [L97] COND TRUE 1 [L98] CALL updateLastVariables() [L88] last_1_var_1_10 = var_1_10 VAL [isInitial=1, last_1_var_1_10=-10, var_1_10=-10, var_1_11=163/5, var_1_12=39/4, var_1_13=51/10, var_1_14=1281/10, var_1_15=639/10, var_1_1=-128, var_1_2=1, var_1_6=1, var_1_7=8, var_1_8=1, var_1_9=1885310857] [L98] RET updateLastVariables() [L99] CALL updateVariables() [L66] var_1_2 = __VERIFIER_nondet_uchar() [L67] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-10, var_1_10=-10, var_1_11=163/5, var_1_12=39/4, var_1_13=51/10, var_1_14=1281/10, var_1_15=639/10, var_1_1=-128, var_1_6=1, var_1_7=8, var_1_8=1, var_1_9=1885310857] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=-10, var_1_10=-10, var_1_11=163/5, var_1_12=39/4, var_1_13=51/10, var_1_14=1281/10, var_1_15=639/10, var_1_1=-128, var_1_6=1, var_1_7=8, var_1_8=1, var_1_9=1885310857] [L67] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, last_1_var_1_10=-10, var_1_10=-10, var_1_11=163/5, var_1_12=39/4, var_1_13=51/10, var_1_14=1281/10, var_1_15=639/10, var_1_1=-128, var_1_6=1, var_1_7=8, var_1_8=1, var_1_9=1885310857] [L68] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-10, var_1_10=-10, var_1_11=163/5, var_1_12=39/4, var_1_13=51/10, var_1_14=1281/10, var_1_15=639/10, var_1_1=-128, var_1_2=1, var_1_6=1, var_1_7=8, var_1_8=1, var_1_9=1885310857] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=-10, var_1_10=-10, var_1_11=163/5, var_1_12=39/4, var_1_13=51/10, var_1_14=1281/10, var_1_15=639/10, var_1_1=-128, var_1_2=1, var_1_6=1, var_1_7=8, var_1_8=1, var_1_9=1885310857] [L68] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, last_1_var_1_10=-10, var_1_10=-10, var_1_11=163/5, var_1_12=39/4, var_1_13=51/10, var_1_14=1281/10, var_1_15=639/10, var_1_1=-128, var_1_2=1, var_1_6=1, var_1_7=8, var_1_8=1, var_1_9=1885310857] [L69] var_1_6 = __VERIFIER_nondet_uchar() [L70] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-10, var_1_10=-10, var_1_11=163/5, var_1_12=39/4, var_1_13=51/10, var_1_14=1281/10, var_1_15=639/10, var_1_1=-128, var_1_2=1, var_1_6=0, var_1_7=8, var_1_8=1, var_1_9=1885310857] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=-10, var_1_10=-10, var_1_11=163/5, var_1_12=39/4, var_1_13=51/10, var_1_14=1281/10, var_1_15=639/10, var_1_1=-128, var_1_2=1, var_1_6=0, var_1_7=8, var_1_8=1, var_1_9=1885310857] [L70] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_10=-10, var_1_10=-10, var_1_11=163/5, var_1_12=39/4, var_1_13=51/10, var_1_14=1281/10, var_1_15=639/10, var_1_1=-128, var_1_2=1, var_1_6=0, var_1_7=8, var_1_8=1, var_1_9=1885310857] [L71] CALL assume_abort_if_not(var_1_6 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-10, var_1_10=-10, var_1_11=163/5, var_1_12=39/4, var_1_13=51/10, var_1_14=1281/10, var_1_15=639/10, var_1_1=-128, var_1_2=1, var_1_6=0, var_1_7=8, var_1_8=1, var_1_9=1885310857] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=-10, var_1_10=-10, var_1_11=163/5, var_1_12=39/4, var_1_13=51/10, var_1_14=1281/10, var_1_15=639/10, var_1_1=-128, var_1_2=1, var_1_6=0, var_1_7=8, var_1_8=1, var_1_9=1885310857] [L71] RET assume_abort_if_not(var_1_6 <= 1) VAL [isInitial=1, last_1_var_1_10=-10, var_1_10=-10, var_1_11=163/5, var_1_12=39/4, var_1_13=51/10, var_1_14=1281/10, var_1_15=639/10, var_1_1=-128, var_1_2=1, var_1_6=0, var_1_7=8, var_1_8=1, var_1_9=1885310857] [L72] var_1_7 = __VERIFIER_nondet_char() [L73] CALL assume_abort_if_not(var_1_7 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-10, var_1_10=-10, var_1_11=163/5, var_1_12=39/4, var_1_13=51/10, var_1_14=1281/10, var_1_15=639/10, var_1_1=-128, var_1_2=1, var_1_6=0, var_1_7=4, var_1_8=1, var_1_9=1885310857] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=-10, var_1_10=-10, var_1_11=163/5, var_1_12=39/4, var_1_13=51/10, var_1_14=1281/10, var_1_15=639/10, var_1_1=-128, var_1_2=1, var_1_6=0, var_1_7=4, var_1_8=1, var_1_9=1885310857] [L73] RET assume_abort_if_not(var_1_7 >= -127) VAL [isInitial=1, last_1_var_1_10=-10, var_1_10=-10, var_1_11=163/5, var_1_12=39/4, var_1_13=51/10, var_1_14=1281/10, var_1_15=639/10, var_1_1=-128, var_1_2=1, var_1_6=0, var_1_7=4, var_1_8=1, var_1_9=1885310857] [L74] CALL assume_abort_if_not(var_1_7 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-10, var_1_10=-10, var_1_11=163/5, var_1_12=39/4, var_1_13=51/10, var_1_14=1281/10, var_1_15=639/10, var_1_1=-128, var_1_2=1, var_1_6=0, var_1_7=4, var_1_8=1, var_1_9=1885310857] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=-10, var_1_10=-10, var_1_11=163/5, var_1_12=39/4, var_1_13=51/10, var_1_14=1281/10, var_1_15=639/10, var_1_1=-128, var_1_2=1, var_1_6=0, var_1_7=4, var_1_8=1, var_1_9=1885310857] [L74] RET assume_abort_if_not(var_1_7 <= 126) VAL [isInitial=1, last_1_var_1_10=-10, var_1_10=-10, var_1_11=163/5, var_1_12=39/4, var_1_13=51/10, var_1_14=1281/10, var_1_15=639/10, var_1_1=-128, var_1_2=1, var_1_6=0, var_1_7=4, var_1_8=1, var_1_9=1885310857] [L75] var_1_9 = __VERIFIER_nondet_ulong() [L76] CALL assume_abort_if_not(var_1_9 >= 1073741824) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-10, var_1_10=-10, var_1_11=163/5, var_1_12=39/4, var_1_13=51/10, var_1_14=1281/10, var_1_15=639/10, var_1_1=-128, var_1_2=1, var_1_6=0, var_1_7=4, var_1_8=1, var_1_9=1073741824] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=-10, var_1_10=-10, var_1_11=163/5, var_1_12=39/4, var_1_13=51/10, var_1_14=1281/10, var_1_15=639/10, var_1_1=-128, var_1_2=1, var_1_6=0, var_1_7=4, var_1_8=1, var_1_9=1073741824] [L76] RET assume_abort_if_not(var_1_9 >= 1073741824) VAL [isInitial=1, last_1_var_1_10=-10, var_1_10=-10, var_1_11=163/5, var_1_12=39/4, var_1_13=51/10, var_1_14=1281/10, var_1_15=639/10, var_1_1=-128, var_1_2=1, var_1_6=0, var_1_7=4, var_1_8=1, var_1_9=1073741824] [L77] CALL assume_abort_if_not(var_1_9 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-10, var_1_10=-10, var_1_11=163/5, var_1_12=39/4, var_1_13=51/10, var_1_14=1281/10, var_1_15=639/10, var_1_1=-128, var_1_2=1, var_1_6=0, var_1_7=4, var_1_8=1, var_1_9=1073741824] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=-10, var_1_10=-10, var_1_11=163/5, var_1_12=39/4, var_1_13=51/10, var_1_14=1281/10, var_1_15=639/10, var_1_1=-128, var_1_2=1, var_1_6=0, var_1_7=4, var_1_8=1, var_1_9=1073741824] [L77] RET assume_abort_if_not(var_1_9 <= 2147483647) VAL [isInitial=1, last_1_var_1_10=-10, var_1_10=-10, var_1_11=163/5, var_1_12=39/4, var_1_13=51/10, var_1_14=1281/10, var_1_15=639/10, var_1_1=-128, var_1_2=1, var_1_6=0, var_1_7=4, var_1_8=1, var_1_9=1073741824] [L78] var_1_12 = __VERIFIER_nondet_double() [L79] CALL assume_abort_if_not((var_1_12 >= 0.0F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-10, var_1_10=-10, var_1_11=163/5, var_1_12=1885310862, var_1_13=51/10, var_1_14=1281/10, var_1_15=639/10, var_1_1=-128, var_1_2=1, var_1_6=0, var_1_7=4, var_1_8=1, var_1_9=1073741824] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=-10, var_1_10=-10, var_1_11=163/5, var_1_12=1885310862, var_1_13=51/10, var_1_14=1281/10, var_1_15=639/10, var_1_1=-128, var_1_2=1, var_1_6=0, var_1_7=4, var_1_8=1, var_1_9=1073741824] [L79] RET assume_abort_if_not((var_1_12 >= 0.0F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=-10, var_1_10=-10, var_1_11=163/5, var_1_12=1885310862, var_1_13=51/10, var_1_14=1281/10, var_1_15=639/10, var_1_1=-128, var_1_2=1, var_1_6=0, var_1_7=4, var_1_8=1, var_1_9=1073741824] [L80] var_1_13 = __VERIFIER_nondet_double() [L81] CALL assume_abort_if_not((var_1_13 >= 0.0F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 4611686.018427382800e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-10, var_1_10=-10, var_1_11=163/5, var_1_12=1885310862, var_1_13=1885310864, var_1_14=1281/10, var_1_15=639/10, var_1_1=-128, var_1_2=1, var_1_6=0, var_1_7=4, var_1_8=1, var_1_9=1073741824] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=-10, var_1_10=-10, var_1_11=163/5, var_1_12=1885310862, var_1_13=1885310864, var_1_14=1281/10, var_1_15=639/10, var_1_1=-128, var_1_2=1, var_1_6=0, var_1_7=4, var_1_8=1, var_1_9=1073741824] [L81] RET assume_abort_if_not((var_1_13 >= 0.0F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 4611686.018427382800e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=-10, var_1_10=-10, var_1_11=163/5, var_1_12=1885310862, var_1_13=1885310864, var_1_14=1281/10, var_1_15=639/10, var_1_1=-128, var_1_2=1, var_1_6=0, var_1_7=4, var_1_8=1, var_1_9=1073741824] [L82] var_1_14 = __VERIFIER_nondet_double() [L83] CALL assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 4611686.018427382800e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-10, var_1_10=-10, var_1_11=163/5, var_1_12=1885310862, var_1_13=1885310864, var_1_14=1885310865, var_1_15=639/10, var_1_1=-128, var_1_2=1, var_1_6=0, var_1_7=4, var_1_8=1, var_1_9=1073741824] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=-10, var_1_10=-10, var_1_11=163/5, var_1_12=1885310862, var_1_13=1885310864, var_1_14=1885310865, var_1_15=639/10, var_1_1=-128, var_1_2=1, var_1_6=0, var_1_7=4, var_1_8=1, var_1_9=1073741824] [L83] RET assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 4611686.018427382800e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=-10, var_1_10=-10, var_1_11=163/5, var_1_12=1885310862, var_1_13=1885310864, var_1_14=1885310865, var_1_15=639/10, var_1_1=-128, var_1_2=1, var_1_6=0, var_1_7=4, var_1_8=1, var_1_9=1073741824] [L84] var_1_15 = __VERIFIER_nondet_double() [L85] CALL assume_abort_if_not((var_1_15 >= 0.0F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-10, var_1_10=-10, var_1_11=163/5, var_1_12=1885310862, var_1_13=1885310864, var_1_14=1885310865, var_1_15=1885310863, var_1_1=-128, var_1_2=1, var_1_6=0, var_1_7=4, var_1_8=1, var_1_9=1073741824] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=-10, var_1_10=-10, var_1_11=163/5, var_1_12=1885310862, var_1_13=1885310864, var_1_14=1885310865, var_1_15=1885310863, var_1_1=-128, var_1_2=1, var_1_6=0, var_1_7=4, var_1_8=1, var_1_9=1073741824] [L85] RET assume_abort_if_not((var_1_15 >= 0.0F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=-10, var_1_10=-10, var_1_11=163/5, var_1_12=1885310862, var_1_13=1885310864, var_1_14=1885310865, var_1_15=1885310863, var_1_1=-128, var_1_2=1, var_1_6=0, var_1_7=4, var_1_8=1, var_1_9=1073741824] [L99] RET updateVariables() [L100] CALL step() [L38] COND TRUE \read(var_1_2) [L39] var_1_8 = ((1514707036u + ((((var_1_9) < 0 ) ? -(var_1_9) : (var_1_9)))) - last_1_var_1_10) VAL [isInitial=1, last_1_var_1_10=-10, var_1_10=-10, var_1_11=163/5, var_1_12=1885310862, var_1_13=1885310864, var_1_14=1885310865, var_1_15=1885310863, var_1_1=-128, var_1_2=1, var_1_6=0, var_1_7=4, var_1_8=2588448870, var_1_9=1073741824] [L43] COND TRUE \read(var_1_2) [L44] var_1_10 = (var_1_8 + ((((var_1_7) < 0 ) ? -(var_1_7) : (var_1_7)))) VAL [isInitial=1, last_1_var_1_10=-10, var_1_10=-1706518422, var_1_11=163/5, var_1_12=1885310862, var_1_13=1885310864, var_1_14=1885310865, var_1_15=1885310863, var_1_1=-128, var_1_2=1, var_1_6=0, var_1_7=4, var_1_8=2588448870, var_1_9=1073741824] [L46] unsigned char stepLocal_1 = var_1_2; [L47] signed long int stepLocal_0 = var_1_10; VAL [isInitial=1, last_1_var_1_10=-10, stepLocal_0=-1706518422, stepLocal_1=1, var_1_10=-1706518422, var_1_11=163/5, var_1_12=1885310862, var_1_13=1885310864, var_1_14=1885310865, var_1_15=1885310863, var_1_1=-128, var_1_2=1, var_1_6=0, var_1_7=4, var_1_8=2588448870, var_1_9=1073741824] [L48] COND TRUE stepLocal_1 || ((~ var_1_10) >= var_1_10) VAL [isInitial=1, last_1_var_1_10=-10, stepLocal_0=-1706518422, stepLocal_1=1, var_1_10=-1706518422, var_1_11=163/5, var_1_12=1885310862, var_1_13=1885310864, var_1_14=1885310865, var_1_15=1885310863, var_1_1=-128, var_1_2=1, var_1_6=0, var_1_7=4, var_1_8=2588448870, var_1_9=1073741824] [L49] COND FALSE !(stepLocal_0 < var_1_8) [L54] var_1_1 = 2 VAL [isInitial=1, last_1_var_1_10=-10, stepLocal_0=-1706518422, stepLocal_1=1, var_1_10=-1706518422, var_1_11=163/5, var_1_12=1885310862, var_1_13=1885310864, var_1_14=1885310865, var_1_15=1885310863, var_1_1=2, var_1_2=1, var_1_6=0, var_1_7=4, var_1_8=2588448870, var_1_9=1073741824] [L59] COND TRUE var_1_1 >= var_1_1 [L60] var_1_11 = (var_1_12 - (((((var_1_13 + var_1_14)) > (var_1_15)) ? ((var_1_13 + var_1_14)) : (var_1_15)))) VAL [isInitial=1, last_1_var_1_10=-10, stepLocal_0=-1706518422, stepLocal_1=1, var_1_10=-1706518422, var_1_12=1885310862, var_1_13=1885310864, var_1_14=1885310865, var_1_15=1885310863, var_1_1=2, var_1_2=1, var_1_6=0, var_1_7=4, var_1_8=2588448870, var_1_9=1073741824] [L100] RET step() [L101] CALL, EXPR property() [L91-L92] return ((((var_1_2 || ((~ var_1_10) >= var_1_10)) ? ((var_1_10 < var_1_8) ? ((! var_1_6) ? (var_1_1 == ((signed char) var_1_7)) : 1) : (var_1_1 == ((signed char) 2))) : (var_1_1 == ((signed char) var_1_7))) && (var_1_2 ? (var_1_8 == ((unsigned long int) ((1514707036u + ((((var_1_9) < 0 ) ? -(var_1_9) : (var_1_9)))) - last_1_var_1_10))) : (var_1_8 == ((unsigned long int) ((((last_1_var_1_10) > (var_1_9)) ? (last_1_var_1_10) : (var_1_9))))))) && (var_1_2 ? (var_1_10 == ((signed long int) (var_1_8 + ((((var_1_7) < 0 ) ? -(var_1_7) : (var_1_7)))))) : 1)) && ((var_1_1 >= var_1_1) ? (var_1_11 == ((double) (var_1_12 - (((((var_1_13 + var_1_14)) > (var_1_15)) ? ((var_1_13 + var_1_14)) : (var_1_15)))))) : (var_1_11 == ((double) ((((var_1_14) > (var_1_13)) ? (var_1_14) : (var_1_13)))))) ; VAL [\result=0, isInitial=1, last_1_var_1_10=-10, var_1_10=-1706518422, var_1_12=1885310862, var_1_13=1885310864, var_1_14=1885310865, var_1_15=1885310863, var_1_1=2, var_1_2=1, var_1_6=0, var_1_7=4, var_1_8=2588448870, var_1_9=1073741824] [L101] RET, EXPR property() [L101] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_10=-10, var_1_10=-1706518422, var_1_12=1885310862, var_1_13=1885310864, var_1_14=1885310865, var_1_15=1885310863, var_1_1=2, var_1_2=1, var_1_6=0, var_1_7=4, var_1_8=2588448870, var_1_9=1073741824] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_10=-10, var_1_10=-1706518422, var_1_12=1885310862, var_1_13=1885310864, var_1_14=1885310865, var_1_15=1885310863, var_1_1=2, var_1_2=1, var_1_6=0, var_1_7=4, var_1_8=2588448870, var_1_9=1073741824] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 46 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.4s, OverallIterations: 4, TraceHistogramMax: 12, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 43 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 43 mSDsluCounter, 333 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 147 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 33 IncrementalHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 186 mSDtfsCounter, 33 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 94 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=82occurred in iteration=3, InterpolantAutomatonStates: 9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 14 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 329 NumberOfCodeBlocks, 329 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 243 ConstructedInterpolants, 0 QuantifiedInterpolants, 392 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 792/792 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-19 07:50:50,242 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c5006fa-a141-4b7f-bdf7-c1bbc731fb1c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, 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/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c5006fa-a141-4b7f-bdf7-c1bbc731fb1c/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c5006fa-a141-4b7f-bdf7-c1bbc731fb1c/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c5006fa-a141-4b7f-bdf7-c1bbc731fb1c/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c5006fa-a141-4b7f-bdf7-c1bbc731fb1c/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-15.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c5006fa-a141-4b7f-bdf7-c1bbc731fb1c/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c5006fa-a141-4b7f-bdf7-c1bbc731fb1c/bin/uautomizer-verify-uCwYo4JHxu --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 16ad83f9637e102c4cb7f07e80bc5a2852579b651b6bdeed800384bf5e7921a8 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:50:52,998 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:50:53,142 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c5006fa-a141-4b7f-bdf7-c1bbc731fb1c/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-19 07:50:53,152 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:50:53,153 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:50:53,197 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:50:53,198 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:50:53,199 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:50:53,200 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:50:53,205 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:50:53,206 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:50:53,207 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:50:53,207 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:50:53,210 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:50:53,211 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:50:53,211 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:50:53,212 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:50:53,212 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:50:53,213 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:50:53,214 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:50:53,214 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:50:53,215 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 07:50:53,216 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 07:50:53,216 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 07:50:53,217 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:50:53,217 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:50:53,218 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:50:53,218 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:50:53,219 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:50:53,219 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:50:53,221 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:50:53,221 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:50:53,222 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:50:53,222 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:50:53,223 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-19 07:50:53,223 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 07:50:53,223 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:50:53,224 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:50:53,224 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:50:53,225 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:50:53,226 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-19 07:50:53,226 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:50:53,226 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_3c5006fa-a141-4b7f-bdf7-c1bbc731fb1c/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c5006fa-a141-4b7f-bdf7-c1bbc731fb1c/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 16ad83f9637e102c4cb7f07e80bc5a2852579b651b6bdeed800384bf5e7921a8 [2023-11-19 07:50:53,675 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:50:53,708 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:50:53,714 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:50:53,715 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:50:53,716 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:50:53,717 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c5006fa-a141-4b7f-bdf7-c1bbc731fb1c/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-15.i [2023-11-19 07:50:57,108 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:50:57,420 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:50:57,422 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c5006fa-a141-4b7f-bdf7-c1bbc731fb1c/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-15.i [2023-11-19 07:50:57,434 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c5006fa-a141-4b7f-bdf7-c1bbc731fb1c/bin/uautomizer-verify-uCwYo4JHxu/data/c2f67c289/4afd0446843f4f95bd8c7eecf52098e1/FLAGd965af480 [2023-11-19 07:50:57,453 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c5006fa-a141-4b7f-bdf7-c1bbc731fb1c/bin/uautomizer-verify-uCwYo4JHxu/data/c2f67c289/4afd0446843f4f95bd8c7eecf52098e1 [2023-11-19 07:50:57,459 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:50:57,461 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:50:57,464 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:50:57,465 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:50:57,470 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:50:57,471 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:50:57" (1/1) ... [2023-11-19 07:50:57,472 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72ea27dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:57, skipping insertion in model container [2023-11-19 07:50:57,472 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:50:57" (1/1) ... [2023-11-19 07:50:57,510 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:50:57,676 WARN L240 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_3c5006fa-a141-4b7f-bdf7-c1bbc731fb1c/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-15.i[917,930] [2023-11-19 07:50:57,735 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:50:57,757 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:50:57,770 WARN L240 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_3c5006fa-a141-4b7f-bdf7-c1bbc731fb1c/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-15.i[917,930] [2023-11-19 07:50:57,804 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:50:57,829 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:50:57,829 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:57 WrapperNode [2023-11-19 07:50:57,829 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:50:57,830 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:50:57,831 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:50:57,831 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:50:57,839 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:57" (1/1) ... [2023-11-19 07:50:57,853 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:57" (1/1) ... [2023-11-19 07:50:57,894 INFO L138 Inliner]: procedures = 27, calls = 25, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 100 [2023-11-19 07:50:57,894 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:50:57,896 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:50:57,896 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:50:57,897 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:50:57,907 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:57" (1/1) ... [2023-11-19 07:50:57,907 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:57" (1/1) ... [2023-11-19 07:50:57,912 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:57" (1/1) ... [2023-11-19 07:50:57,912 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:57" (1/1) ... [2023-11-19 07:50:57,946 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:57" (1/1) ... [2023-11-19 07:50:57,970 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:57" (1/1) ... [2023-11-19 07:50:57,973 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:57" (1/1) ... [2023-11-19 07:50:57,975 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:57" (1/1) ... [2023-11-19 07:50:57,982 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:50:57,996 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:50:57,996 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:50:57,996 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:50:57,997 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:57" (1/1) ... [2023-11-19 07:50:58,005 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:50:58,023 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c5006fa-a141-4b7f-bdf7-c1bbc731fb1c/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:50:58,038 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c5006fa-a141-4b7f-bdf7-c1bbc731fb1c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:50:58,041 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c5006fa-a141-4b7f-bdf7-c1bbc731fb1c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:50:58,072 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:50:58,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 07:50:58,072 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 07:50:58,073 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 07:50:58,073 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:50:58,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:50:58,158 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:50:58,160 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:50:59,398 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:50:59,410 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:50:59,411 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 07:50:59,415 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:50:59 BoogieIcfgContainer [2023-11-19 07:50:59,416 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:50:59,419 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:50:59,419 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:50:59,422 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:50:59,423 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:50:57" (1/3) ... [2023-11-19 07:50:59,424 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a8187a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:50:59, skipping insertion in model container [2023-11-19 07:50:59,424 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:57" (2/3) ... [2023-11-19 07:50:59,424 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a8187a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:50:59, skipping insertion in model container [2023-11-19 07:50:59,425 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:50:59" (3/3) ... [2023-11-19 07:50:59,426 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-15.i [2023-11-19 07:50:59,442 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:50:59,442 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 07:50:59,506 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:50:59,514 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@447e8860, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:50:59,514 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 07:50:59,521 INFO L276 IsEmpty]: Start isEmpty. Operand has 46 states, 31 states have (on average 1.3548387096774193) internal successors, (42), 32 states have internal predecessors, (42), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-19 07:50:59,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-11-19 07:50:59,536 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:50:59,538 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:50:59,541 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:50:59,549 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:50:59,550 INFO L85 PathProgramCache]: Analyzing trace with hash -1601258831, now seen corresponding path program 1 times [2023-11-19 07:50:59,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 07:50:59,568 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1165792737] [2023-11-19 07:50:59,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:50:59,569 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 07:50:59,569 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c5006fa-a141-4b7f-bdf7-c1bbc731fb1c/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 07:50:59,572 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c5006fa-a141-4b7f-bdf7-c1bbc731fb1c/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 07:50:59,612 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c5006fa-a141-4b7f-bdf7-c1bbc731fb1c/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-19 07:51:00,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:00,046 INFO L262 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 07:51:00,055 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:51:00,118 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 134 proven. 0 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2023-11-19 07:51:00,119 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:51:00,120 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 07:51:00,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1165792737] [2023-11-19 07:51:00,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1165792737] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:51:00,121 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:51:00,122 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:51:00,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686279319] [2023-11-19 07:51:00,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:51:00,133 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 07:51:00,133 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 07:51:00,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 07:51:00,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 07:51:00,184 INFO L87 Difference]: Start difference. First operand has 46 states, 31 states have (on average 1.3548387096774193) internal successors, (42), 32 states have internal predecessors, (42), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-19 07:51:00,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:51:00,224 INFO L93 Difference]: Finished difference Result 85 states and 138 transitions. [2023-11-19 07:51:00,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 07:51:00,226 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 82 [2023-11-19 07:51:00,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:51:00,233 INFO L225 Difference]: With dead ends: 85 [2023-11-19 07:51:00,233 INFO L226 Difference]: Without dead ends: 42 [2023-11-19 07:51:00,236 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 07:51:00,240 INFO L413 NwaCegarLoop]: 58 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:51:00,242 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:51:00,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2023-11-19 07:51:00,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2023-11-19 07:51:00,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 28 states have (on average 1.2142857142857142) internal successors, (34), 28 states have internal predecessors, (34), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-19 07:51:00,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 58 transitions. [2023-11-19 07:51:00,299 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 58 transitions. Word has length 82 [2023-11-19 07:51:00,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:51:00,300 INFO L495 AbstractCegarLoop]: Abstraction has 42 states and 58 transitions. [2023-11-19 07:51:00,302 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-19 07:51:00,302 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 58 transitions. [2023-11-19 07:51:00,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-11-19 07:51:00,310 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:51:00,310 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:51:00,325 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c5006fa-a141-4b7f-bdf7-c1bbc731fb1c/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-19 07:51:00,519 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c5006fa-a141-4b7f-bdf7-c1bbc731fb1c/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 07:51:00,519 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:51:00,520 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:51:00,520 INFO L85 PathProgramCache]: Analyzing trace with hash 109782457, now seen corresponding path program 1 times [2023-11-19 07:51:00,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 07:51:00,521 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [102634233] [2023-11-19 07:51:00,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:51:00,522 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 07:51:00,522 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c5006fa-a141-4b7f-bdf7-c1bbc731fb1c/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 07:51:00,523 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c5006fa-a141-4b7f-bdf7-c1bbc731fb1c/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 07:51:00,525 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c5006fa-a141-4b7f-bdf7-c1bbc731fb1c/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-19 07:51:00,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:00,919 INFO L262 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 07:51:00,926 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:51:01,439 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 53 proven. 30 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2023-11-19 07:51:01,439 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 07:51:01,622 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-19 07:51:01,622 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 07:51:01,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [102634233] [2023-11-19 07:51:01,623 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [102634233] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-19 07:51:01,623 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-19 07:51:01,623 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 9 [2023-11-19 07:51:01,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1357085048] [2023-11-19 07:51:01,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:51:01,625 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 07:51:01,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 07:51:01,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 07:51:01,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2023-11-19 07:51:01,627 INFO L87 Difference]: Start difference. First operand 42 states and 58 transitions. Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-19 07:51:02,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:51:02,240 INFO L93 Difference]: Finished difference Result 95 states and 131 transitions. [2023-11-19 07:51:02,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 07:51:02,255 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 82 [2023-11-19 07:51:02,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:51:02,258 INFO L225 Difference]: With dead ends: 95 [2023-11-19 07:51:02,258 INFO L226 Difference]: Without dead ends: 56 [2023-11-19 07:51:02,259 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2023-11-19 07:51:02,261 INFO L413 NwaCegarLoop]: 61 mSDtfsCounter, 22 mSDsluCounter, 103 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 164 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-19 07:51:02,262 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 164 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-19 07:51:02,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2023-11-19 07:51:02,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 45. [2023-11-19 07:51:02,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 31 states have (on average 1.1935483870967742) internal successors, (37), 31 states have internal predecessors, (37), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-19 07:51:02,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 61 transitions. [2023-11-19 07:51:02,277 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 61 transitions. Word has length 82 [2023-11-19 07:51:02,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:51:02,279 INFO L495 AbstractCegarLoop]: Abstraction has 45 states and 61 transitions. [2023-11-19 07:51:02,280 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-19 07:51:02,280 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 61 transitions. [2023-11-19 07:51:02,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-11-19 07:51:02,282 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:51:02,283 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:51:02,297 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c5006fa-a141-4b7f-bdf7-c1bbc731fb1c/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-19 07:51:02,492 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c5006fa-a141-4b7f-bdf7-c1bbc731fb1c/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 07:51:02,492 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:51:02,493 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:51:02,493 INFO L85 PathProgramCache]: Analyzing trace with hash -19505799, now seen corresponding path program 1 times [2023-11-19 07:51:02,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 07:51:02,494 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1990659093] [2023-11-19 07:51:02,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:51:02,494 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 07:51:02,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c5006fa-a141-4b7f-bdf7-c1bbc731fb1c/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 07:51:02,496 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c5006fa-a141-4b7f-bdf7-c1bbc731fb1c/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 07:51:02,504 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c5006fa-a141-4b7f-bdf7-c1bbc731fb1c/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-19 07:51:02,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:02,785 INFO L262 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 07:51:02,790 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:51:03,229 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-19 07:51:03,229 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:51:03,229 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 07:51:03,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1990659093] [2023-11-19 07:51:03,230 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1990659093] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:51:03,230 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:51:03,230 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:51:03,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1742768330] [2023-11-19 07:51:03,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:51:03,231 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:51:03,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 07:51:03,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:51:03,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:51:03,233 INFO L87 Difference]: Start difference. First operand 45 states and 61 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-19 07:51:03,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:51:03,954 INFO L93 Difference]: Finished difference Result 127 states and 175 transitions. [2023-11-19 07:51:03,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:51:03,955 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 82 [2023-11-19 07:51:03,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:51:03,958 INFO L225 Difference]: With dead ends: 127 [2023-11-19 07:51:03,958 INFO L226 Difference]: Without dead ends: 85 [2023-11-19 07:51:03,959 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:51:03,961 INFO L413 NwaCegarLoop]: 67 mSDtfsCounter, 13 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 116 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-19 07:51:03,962 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 116 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-19 07:51:03,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2023-11-19 07:51:03,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 82. [2023-11-19 07:51:03,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 55 states have (on average 1.2) internal successors, (66), 55 states have internal predecessors, (66), 24 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-19 07:51:03,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 114 transitions. [2023-11-19 07:51:03,987 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 114 transitions. Word has length 82 [2023-11-19 07:51:03,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:51:03,988 INFO L495 AbstractCegarLoop]: Abstraction has 82 states and 114 transitions. [2023-11-19 07:51:03,988 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-19 07:51:03,988 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 114 transitions. [2023-11-19 07:51:03,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-11-19 07:51:03,990 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:51:03,991 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:51:04,003 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c5006fa-a141-4b7f-bdf7-c1bbc731fb1c/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2023-11-19 07:51:04,198 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c5006fa-a141-4b7f-bdf7-c1bbc731fb1c/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 07:51:04,198 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:51:04,199 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:51:04,199 INFO L85 PathProgramCache]: Analyzing trace with hash -636021362, now seen corresponding path program 1 times [2023-11-19 07:51:04,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 07:51:04,200 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1812405383] [2023-11-19 07:51:04,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:51:04,200 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 07:51:04,200 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c5006fa-a141-4b7f-bdf7-c1bbc731fb1c/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 07:51:04,203 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c5006fa-a141-4b7f-bdf7-c1bbc731fb1c/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 07:51:04,206 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c5006fa-a141-4b7f-bdf7-c1bbc731fb1c/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-11-19 07:51:04,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:04,526 INFO L262 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-19 07:51:04,542 INFO L285 TraceCheckSpWp]: Computing forward predicates...