./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-4.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e7bb482b 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_0d1c9153-16c5-47c1-8094-4d0b307cd026/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d1c9153-16c5-47c1-8094-4d0b307cd026/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d1c9153-16c5-47c1-8094-4d0b307cd026/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d1c9153-16c5-47c1-8094-4d0b307cd026/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-4.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d1c9153-16c5-47c1-8094-4d0b307cd026/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d1c9153-16c5-47c1-8094-4d0b307cd026/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --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 d641f0fce6003e45544d7b313fe1ff9fa273efb3a1cdf3caa63db5b3b8db2e1d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 23:02:20,138 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 23:02:20,258 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d1c9153-16c5-47c1-8094-4d0b307cd026/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-06 23:02:20,264 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 23:02:20,265 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 23:02:20,316 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 23:02:20,317 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 23:02:20,317 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 23:02:20,318 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 23:02:20,323 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 23:02:20,324 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 23:02:20,325 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 23:02:20,325 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 23:02:20,327 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 23:02:20,327 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 23:02:20,327 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 23:02:20,328 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 23:02:20,328 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 23:02:20,329 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 23:02:20,329 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 23:02:20,329 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 23:02:20,330 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 23:02:20,330 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 23:02:20,331 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 23:02:20,331 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 23:02:20,332 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 23:02:20,332 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 23:02:20,332 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 23:02:20,333 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 23:02:20,333 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 23:02:20,334 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 23:02:20,335 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 23:02:20,335 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 23:02:20,349 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 23:02:20,349 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 23:02:20,350 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 23:02:20,350 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 23:02:20,350 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 23:02:20,350 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 23:02:20,350 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_0d1c9153-16c5-47c1-8094-4d0b307cd026/bin/uautomizer-verify-WvqO1wxjHP/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d1c9153-16c5-47c1-8094-4d0b307cd026/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d641f0fce6003e45544d7b313fe1ff9fa273efb3a1cdf3caa63db5b3b8db2e1d [2023-11-06 23:02:20,673 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 23:02:20,698 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 23:02:20,700 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 23:02:20,702 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 23:02:20,702 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 23:02:20,704 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d1c9153-16c5-47c1-8094-4d0b307cd026/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-4.i [2023-11-06 23:02:23,664 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 23:02:23,912 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 23:02:23,913 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d1c9153-16c5-47c1-8094-4d0b307cd026/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-4.i [2023-11-06 23:02:23,922 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d1c9153-16c5-47c1-8094-4d0b307cd026/bin/uautomizer-verify-WvqO1wxjHP/data/f85d3285f/e42ba900057341f09cebc6124212cfea/FLAGe914c8321 [2023-11-06 23:02:23,938 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d1c9153-16c5-47c1-8094-4d0b307cd026/bin/uautomizer-verify-WvqO1wxjHP/data/f85d3285f/e42ba900057341f09cebc6124212cfea [2023-11-06 23:02:23,941 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 23:02:23,943 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 23:02:23,944 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 23:02:23,944 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 23:02:23,954 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 23:02:23,966 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:02:23" (1/1) ... [2023-11-06 23:02:23,967 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6405ad94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:02:23, skipping insertion in model container [2023-11-06 23:02:23,967 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:02:23" (1/1) ... [2023-11-06 23:02:24,007 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 23:02:24,145 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_0d1c9153-16c5-47c1-8094-4d0b307cd026/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-4.i[915,928] [2023-11-06 23:02:24,191 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 23:02:24,204 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 23:02:24,227 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_0d1c9153-16c5-47c1-8094-4d0b307cd026/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-4.i[915,928] [2023-11-06 23:02:24,276 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 23:02:24,294 INFO L206 MainTranslator]: Completed translation [2023-11-06 23:02:24,294 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:02:24 WrapperNode [2023-11-06 23:02:24,294 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 23:02:24,295 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 23:02:24,296 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 23:02:24,296 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 23:02:24,305 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:02:24" (1/1) ... [2023-11-06 23:02:24,315 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:02:24" (1/1) ... [2023-11-06 23:02:24,357 INFO L138 Inliner]: procedures = 26, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 113 [2023-11-06 23:02:24,358 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 23:02:24,359 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 23:02:24,359 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 23:02:24,359 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 23:02:24,369 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:02:24" (1/1) ... [2023-11-06 23:02:24,369 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:02:24" (1/1) ... [2023-11-06 23:02:24,373 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:02:24" (1/1) ... [2023-11-06 23:02:24,373 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:02:24" (1/1) ... [2023-11-06 23:02:24,383 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:02:24" (1/1) ... [2023-11-06 23:02:24,387 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:02:24" (1/1) ... [2023-11-06 23:02:24,389 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:02:24" (1/1) ... [2023-11-06 23:02:24,392 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:02:24" (1/1) ... [2023-11-06 23:02:24,396 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 23:02:24,397 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 23:02:24,397 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 23:02:24,397 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 23:02:24,421 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:02:24" (1/1) ... [2023-11-06 23:02:24,443 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 23:02:24,475 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d1c9153-16c5-47c1-8094-4d0b307cd026/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:02:24,509 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d1c9153-16c5-47c1-8094-4d0b307cd026/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 23:02:24,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d1c9153-16c5-47c1-8094-4d0b307cd026/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 23:02:24,559 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 23:02:24,559 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 23:02:24,559 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 23:02:24,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 23:02:24,560 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 23:02:24,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 23:02:24,663 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 23:02:24,666 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 23:02:25,006 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 23:02:25,013 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 23:02:25,016 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 23:02:25,019 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:02:25 BoogieIcfgContainer [2023-11-06 23:02:25,019 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 23:02:25,025 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 23:02:25,026 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 23:02:25,030 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 23:02:25,031 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 11:02:23" (1/3) ... [2023-11-06 23:02:25,032 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b07551f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:02:25, skipping insertion in model container [2023-11-06 23:02:25,032 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:02:24" (2/3) ... [2023-11-06 23:02:25,033 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b07551f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:02:25, skipping insertion in model container [2023-11-06 23:02:25,033 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:02:25" (3/3) ... [2023-11-06 23:02:25,035 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-4.i [2023-11-06 23:02:25,056 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 23:02:25,057 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 23:02:25,113 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 23:02:25,124 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=LoopsAndPotentialCycles, 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;@57029985, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 23:02:25,125 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 23:02:25,130 INFO L276 IsEmpty]: Start isEmpty. Operand has 51 states, 29 states have (on average 1.3103448275862069) internal successors, (38), 30 states have internal predecessors, (38), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-06 23:02:25,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-11-06 23:02:25,152 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:02:25,154 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:02:25,155 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:02:25,164 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:02:25,164 INFO L85 PathProgramCache]: Analyzing trace with hash 1605082745, now seen corresponding path program 1 times [2023-11-06 23:02:25,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:02:25,176 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [590455284] [2023-11-06 23:02:25,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:02:25,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:02:25,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:02:25,472 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:02:25,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [590455284] [2023-11-06 23:02:25,476 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-06 23:02:25,477 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1420322134] [2023-11-06 23:02:25,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:02:25,478 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:02:25,478 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d1c9153-16c5-47c1-8094-4d0b307cd026/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:02:25,481 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d1c9153-16c5-47c1-8094-4d0b307cd026/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:02:25,488 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d1c9153-16c5-47c1-8094-4d0b307cd026/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-06 23:02:25,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:02:25,649 INFO L262 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-06 23:02:25,661 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:02:25,706 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 648 trivial. 0 not checked. [2023-11-06 23:02:25,707 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:02:25,708 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1420322134] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:02:25,708 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:02:25,708 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 23:02:25,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1552540802] [2023-11-06 23:02:25,712 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:02:25,717 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 23:02:25,718 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:02:25,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 23:02:25,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 23:02:25,754 INFO L87 Difference]: Start difference. First operand has 51 states, 29 states have (on average 1.3103448275862069) internal successors, (38), 30 states have internal predecessors, (38), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-06 23:02:25,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:02:25,787 INFO L93 Difference]: Finished difference Result 95 states and 165 transitions. [2023-11-06 23:02:25,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 23:02:25,789 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) Word has length 116 [2023-11-06 23:02:25,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:02:25,798 INFO L225 Difference]: With dead ends: 95 [2023-11-06 23:02:25,798 INFO L226 Difference]: Without dead ends: 47 [2023-11-06 23:02:25,802 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 23:02:25,806 INFO L413 NwaCegarLoop]: 69 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, 69 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 [2023-11-06 23:02:25,808 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 23:02:25,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2023-11-06 23:02:25,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2023-11-06 23:02:25,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 26 states have (on average 1.1923076923076923) internal successors, (31), 26 states have internal predecessors, (31), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-06 23:02:25,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 69 transitions. [2023-11-06 23:02:25,863 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 69 transitions. Word has length 116 [2023-11-06 23:02:25,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:02:25,863 INFO L495 AbstractCegarLoop]: Abstraction has 47 states and 69 transitions. [2023-11-06 23:02:25,864 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-06 23:02:25,864 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 69 transitions. [2023-11-06 23:02:25,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-11-06 23:02:25,868 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:02:25,868 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:02:25,882 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d1c9153-16c5-47c1-8094-4d0b307cd026/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-06 23:02:26,075 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d1c9153-16c5-47c1-8094-4d0b307cd026/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-06 23:02:26,075 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:02:26,076 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:02:26,077 INFO L85 PathProgramCache]: Analyzing trace with hash -741041665, now seen corresponding path program 1 times [2023-11-06 23:02:26,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:02:26,077 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [571111778] [2023-11-06 23:02:26,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:02:26,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:02:26,158 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 23:02:26,158 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1531141366] [2023-11-06 23:02:26,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:02:26,158 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:02:26,159 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d1c9153-16c5-47c1-8094-4d0b307cd026/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:02:26,160 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d1c9153-16c5-47c1-8094-4d0b307cd026/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:02:26,167 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d1c9153-16c5-47c1-8094-4d0b307cd026/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-06 23:02:26,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:02:26,716 INFO L262 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-06 23:02:26,739 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:02:28,592 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 150 proven. 48 refuted. 0 times theorem prover too weak. 486 trivial. 0 not checked. [2023-11-06 23:02:28,593 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 23:02:29,881 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 6 proven. 48 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2023-11-06 23:02:29,882 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:02:29,882 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [571111778] [2023-11-06 23:02:29,882 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 23:02:29,882 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1531141366] [2023-11-06 23:02:29,882 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1531141366] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 23:02:29,883 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-06 23:02:29,883 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9] total 16 [2023-11-06 23:02:29,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1149549118] [2023-11-06 23:02:29,883 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-06 23:02:29,888 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-11-06 23:02:29,888 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:02:29,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-11-06 23:02:29,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=183, Unknown=0, NotChecked=0, Total=240 [2023-11-06 23:02:29,892 INFO L87 Difference]: Start difference. First operand 47 states and 69 transitions. Second operand has 16 states, 15 states have (on average 3.3333333333333335) internal successors, (50), 16 states have internal predecessors, (50), 4 states have call successors, (38), 3 states have call predecessors, (38), 5 states have return successors, (38), 4 states have call predecessors, (38), 4 states have call successors, (38) [2023-11-06 23:02:41,955 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2023-11-06 23:02:43,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:02:43,578 INFO L93 Difference]: Finished difference Result 153 states and 221 transitions. [2023-11-06 23:02:43,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-06 23:02:43,580 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 3.3333333333333335) internal successors, (50), 16 states have internal predecessors, (50), 4 states have call successors, (38), 3 states have call predecessors, (38), 5 states have return successors, (38), 4 states have call predecessors, (38), 4 states have call successors, (38) Word has length 116 [2023-11-06 23:02:43,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:02:43,583 INFO L225 Difference]: With dead ends: 153 [2023-11-06 23:02:43,583 INFO L226 Difference]: Without dead ends: 109 [2023-11-06 23:02:43,585 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 244 GetRequests, 218 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 112 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=221, Invalid=535, Unknown=0, NotChecked=0, Total=756 [2023-11-06 23:02:43,587 INFO L413 NwaCegarLoop]: 43 mSDtfsCounter, 157 mSDsluCounter, 227 mSDsCounter, 0 mSdLazyCounter, 464 mSolverCounterSat, 96 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 270 SdHoareTripleChecker+Invalid, 560 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 96 IncrementalHoareTripleChecker+Valid, 464 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.8s IncrementalHoareTripleChecker+Time [2023-11-06 23:02:43,587 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [173 Valid, 270 Invalid, 560 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [96 Valid, 464 Invalid, 0 Unknown, 0 Unchecked, 11.8s Time] [2023-11-06 23:02:43,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2023-11-06 23:02:43,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 85. [2023-11-06 23:02:43,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 43 states have (on average 1.1162790697674418) internal successors, (48), 43 states have internal predecessors, (48), 38 states have call successors, (38), 3 states have call predecessors, (38), 3 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2023-11-06 23:02:43,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 124 transitions. [2023-11-06 23:02:43,625 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 124 transitions. Word has length 116 [2023-11-06 23:02:43,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:02:43,626 INFO L495 AbstractCegarLoop]: Abstraction has 85 states and 124 transitions. [2023-11-06 23:02:43,626 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 3.3333333333333335) internal successors, (50), 16 states have internal predecessors, (50), 4 states have call successors, (38), 3 states have call predecessors, (38), 5 states have return successors, (38), 4 states have call predecessors, (38), 4 states have call successors, (38) [2023-11-06 23:02:43,627 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 124 transitions. [2023-11-06 23:02:43,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-11-06 23:02:43,629 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:02:43,629 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:02:43,642 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d1c9153-16c5-47c1-8094-4d0b307cd026/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-06 23:02:43,836 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d1c9153-16c5-47c1-8094-4d0b307cd026/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:02:43,836 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:02:43,837 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:02:43,837 INFO L85 PathProgramCache]: Analyzing trace with hash 68304961, now seen corresponding path program 1 times [2023-11-06 23:02:43,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:02:43,837 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1036830952] [2023-11-06 23:02:43,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:02:43,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:02:43,881 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 23:02:43,882 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1936851661] [2023-11-06 23:02:43,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:02:43,882 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:02:43,882 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d1c9153-16c5-47c1-8094-4d0b307cd026/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:02:43,884 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d1c9153-16c5-47c1-8094-4d0b307cd026/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:02:43,897 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d1c9153-16c5-47c1-8094-4d0b307cd026/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-06 23:02:44,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 23:02:44,456 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 23:02:44,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 23:02:44,620 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 23:02:44,620 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-06 23:02:44,621 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-06 23:02:44,639 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d1c9153-16c5-47c1-8094-4d0b307cd026/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-06 23:02:44,829 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d1c9153-16c5-47c1-8094-4d0b307cd026/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:02:44,833 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-11-06 23:02:44,838 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 23:02:44,968 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 11:02:44 BoogieIcfgContainer [2023-11-06 23:02:44,968 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 23:02:44,969 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 23:02:44,969 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 23:02:44,969 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 23:02:44,970 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:02:25" (3/4) ... [2023-11-06 23:02:44,972 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-06 23:02:44,973 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 23:02:44,974 INFO L158 Benchmark]: Toolchain (without parser) took 21031.14ms. Allocated memory was 174.1MB in the beginning and 209.7MB in the end (delta: 35.7MB). Free memory was 142.2MB in the beginning and 110.2MB in the end (delta: 31.9MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. [2023-11-06 23:02:44,974 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 125.8MB. Free memory was 97.8MB in the beginning and 97.6MB in the end (delta: 160.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 23:02:44,975 INFO L158 Benchmark]: CACSL2BoogieTranslator took 350.73ms. Allocated memory is still 174.1MB. Free memory was 142.0MB in the beginning and 133.1MB in the end (delta: 8.9MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB. [2023-11-06 23:02:44,976 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.60ms. Allocated memory is still 174.1MB. Free memory was 133.1MB in the beginning and 129.9MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-06 23:02:44,976 INFO L158 Benchmark]: Boogie Preprocessor took 37.38ms. Allocated memory is still 174.1MB. Free memory was 129.9MB in the beginning and 128.1MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 23:02:44,977 INFO L158 Benchmark]: RCFGBuilder took 625.94ms. Allocated memory is still 174.1MB. Free memory was 128.1MB in the beginning and 125.6MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 23:02:44,977 INFO L158 Benchmark]: TraceAbstraction took 19943.37ms. Allocated memory was 174.1MB in the beginning and 209.7MB in the end (delta: 35.7MB). Free memory was 125.6MB in the beginning and 111.3MB in the end (delta: 14.3MB). Peak memory consumption was 52.7MB. Max. memory is 16.1GB. [2023-11-06 23:02:44,978 INFO L158 Benchmark]: Witness Printer took 4.27ms. Allocated memory is still 209.7MB. Free memory was 111.3MB in the beginning and 110.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 23:02:44,981 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 125.8MB. Free memory was 97.8MB in the beginning and 97.6MB in the end (delta: 160.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 350.73ms. Allocated memory is still 174.1MB. Free memory was 142.0MB in the beginning and 133.1MB in the end (delta: 8.9MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.60ms. Allocated memory is still 174.1MB. Free memory was 133.1MB in the beginning and 129.9MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.38ms. Allocated memory is still 174.1MB. Free memory was 129.9MB in the beginning and 128.1MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 625.94ms. Allocated memory is still 174.1MB. Free memory was 128.1MB in the beginning and 125.6MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * TraceAbstraction took 19943.37ms. Allocated memory was 174.1MB in the beginning and 209.7MB in the end (delta: 35.7MB). Free memory was 125.6MB in the beginning and 111.3MB in the end (delta: 14.3MB). Peak memory consumption was 52.7MB. Max. memory is 16.1GB. * Witness Printer took 4.27ms. Allocated memory is still 209.7MB. Free memory was 111.3MB in the beginning and 110.2MB in the end (delta: 1.0MB). There was no memory consumed. 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 someBinaryFLOATComparisonOperation at line 95. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned short int var_1_1 = 5; [L23] signed short int var_1_3 = -25; [L24] unsigned short int var_1_7 = 4; [L25] unsigned char var_1_8 = 4; [L26] unsigned char var_1_10 = 4; [L27] unsigned char var_1_11 = 8; [L28] unsigned long int var_1_12 = 10; [L29] signed long int var_1_13 = 99; [L30] signed long int var_1_14 = 127; [L31] signed long int var_1_15 = 16; [L32] signed long int var_1_16 = 256; [L33] unsigned long int var_1_17 = 4288034294; [L34] unsigned char var_1_18 = 0; [L35] unsigned long int last_1_var_1_12 = 10; [L36] unsigned char last_1_var_1_18 = 0; VAL [isInitial=0, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=4, var_1_11=8, var_1_12=10, var_1_13=99, var_1_14=127, var_1_15=16, var_1_16=256, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=-25, var_1_7=4, var_1_8=4] [L99] isInitial = 1 [L100] FCALL initially() [L101] COND TRUE 1 [L102] CALL updateLastVariables() [L91] last_1_var_1_12 = var_1_12 [L92] last_1_var_1_18 = var_1_18 VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=4, var_1_11=8, var_1_12=10, var_1_13=99, var_1_14=127, var_1_15=16, var_1_16=256, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=-25, var_1_7=4, var_1_8=4] [L102] RET updateLastVariables() [L103] CALL updateVariables() [L62] var_1_3 = __VERIFIER_nondet_short() [L63] CALL assume_abort_if_not(var_1_3 >= -32768) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=4, var_1_11=8, var_1_12=10, var_1_13=99, var_1_14=127, var_1_15=16, var_1_16=256, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=-1, var_1_7=4, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=4, var_1_11=8, var_1_12=10, var_1_13=99, var_1_14=127, var_1_15=16, var_1_16=256, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=-1, var_1_7=4, var_1_8=4] [L63] RET assume_abort_if_not(var_1_3 >= -32768) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=4, var_1_11=8, var_1_12=10, var_1_13=99, var_1_14=127, var_1_15=16, var_1_16=256, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=-1, var_1_7=4, var_1_8=4] [L64] CALL assume_abort_if_not(var_1_3 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=4, var_1_11=8, var_1_12=10, var_1_13=99, var_1_14=127, var_1_15=16, var_1_16=256, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=-1, var_1_7=4, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=4, var_1_11=8, var_1_12=10, var_1_13=99, var_1_14=127, var_1_15=16, var_1_16=256, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=-1, var_1_7=4, var_1_8=4] [L64] RET assume_abort_if_not(var_1_3 <= 32767) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=4, var_1_11=8, var_1_12=10, var_1_13=99, var_1_14=127, var_1_15=16, var_1_16=256, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=-1, var_1_7=4, var_1_8=4] [L65] CALL assume_abort_if_not(var_1_3 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=4, var_1_11=8, var_1_12=10, var_1_13=99, var_1_14=127, var_1_15=16, var_1_16=256, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=-1, var_1_7=4, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=4, var_1_11=8, var_1_12=10, var_1_13=99, var_1_14=127, var_1_15=16, var_1_16=256, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=-1, var_1_7=4, var_1_8=4] [L65] RET assume_abort_if_not(var_1_3 != 0) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=4, var_1_11=8, var_1_12=10, var_1_13=99, var_1_14=127, var_1_15=16, var_1_16=256, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=-1, var_1_7=4, var_1_8=4] [L66] var_1_10 = __VERIFIER_nondet_uchar() [L67] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=1, var_1_11=8, var_1_12=10, var_1_13=99, var_1_14=127, var_1_15=16, var_1_16=256, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=-1, var_1_7=4, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=1, var_1_11=8, var_1_12=10, var_1_13=99, var_1_14=127, var_1_15=16, var_1_16=256, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=-1, var_1_7=4, var_1_8=4] [L67] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=1, var_1_11=8, var_1_12=10, var_1_13=99, var_1_14=127, var_1_15=16, var_1_16=256, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=-1, var_1_7=4, var_1_8=4] [L68] CALL assume_abort_if_not(var_1_10 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=1, var_1_11=8, var_1_12=10, var_1_13=99, var_1_14=127, var_1_15=16, var_1_16=256, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=-1, var_1_7=4, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=1, var_1_11=8, var_1_12=10, var_1_13=99, var_1_14=127, var_1_15=16, var_1_16=256, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=-1, var_1_7=4, var_1_8=4] [L68] RET assume_abort_if_not(var_1_10 <= 254) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=1, var_1_11=8, var_1_12=10, var_1_13=99, var_1_14=127, var_1_15=16, var_1_16=256, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=-1, var_1_7=4, var_1_8=4] [L69] var_1_11 = __VERIFIER_nondet_uchar() [L70] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=1, var_1_11=1, var_1_12=10, var_1_13=99, var_1_14=127, var_1_15=16, var_1_16=256, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=-1, var_1_7=4, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=1, var_1_11=1, var_1_12=10, var_1_13=99, var_1_14=127, var_1_15=16, var_1_16=256, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=-1, var_1_7=4, var_1_8=4] [L70] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=1, var_1_11=1, var_1_12=10, var_1_13=99, var_1_14=127, var_1_15=16, var_1_16=256, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=-1, var_1_7=4, var_1_8=4] [L71] CALL assume_abort_if_not(var_1_11 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=1, var_1_11=1, var_1_12=10, var_1_13=99, var_1_14=127, var_1_15=16, var_1_16=256, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=-1, var_1_7=4, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=1, var_1_11=1, var_1_12=10, var_1_13=99, var_1_14=127, var_1_15=16, var_1_16=256, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=-1, var_1_7=4, var_1_8=4] [L71] RET assume_abort_if_not(var_1_11 <= 254) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=1, var_1_11=1, var_1_12=10, var_1_13=99, var_1_14=127, var_1_15=16, var_1_16=256, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=-1, var_1_7=4, var_1_8=4] [L72] var_1_13 = __VERIFIER_nondet_long() [L73] CALL assume_abort_if_not(var_1_13 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=1, var_1_11=1, var_1_12=10, var_1_13=-2147483648, var_1_14=127, var_1_15=16, var_1_16=256, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=-1, var_1_7=4, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=1, var_1_11=1, var_1_12=10, var_1_13=-2147483648, var_1_14=127, var_1_15=16, var_1_16=256, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=-1, var_1_7=4, var_1_8=4] [L73] RET assume_abort_if_not(var_1_13 >= -2147483648) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=1, var_1_11=1, var_1_12=10, var_1_13=-2147483648, var_1_14=127, var_1_15=16, var_1_16=256, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=-1, var_1_7=4, var_1_8=4] [L74] CALL assume_abort_if_not(var_1_13 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=1, var_1_11=1, var_1_12=10, var_1_13=-2147483648, var_1_14=127, var_1_15=16, var_1_16=256, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=-1, var_1_7=4, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=1, var_1_11=1, var_1_12=10, var_1_13=-2147483648, var_1_14=127, var_1_15=16, var_1_16=256, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=-1, var_1_7=4, var_1_8=4] [L74] RET assume_abort_if_not(var_1_13 <= 2147483647) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=1, var_1_11=1, var_1_12=10, var_1_13=-2147483648, var_1_14=127, var_1_15=16, var_1_16=256, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=-1, var_1_7=4, var_1_8=4] [L75] var_1_14 = __VERIFIER_nondet_long() [L76] CALL assume_abort_if_not(var_1_14 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=1, var_1_11=1, var_1_12=10, var_1_13=-2147483648, var_1_14=-2147483648, var_1_15=16, var_1_16=256, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=-1, var_1_7=4, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=1, var_1_11=1, var_1_12=10, var_1_13=-2147483648, var_1_14=-2147483648, var_1_15=16, var_1_16=256, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=-1, var_1_7=4, var_1_8=4] [L76] RET assume_abort_if_not(var_1_14 >= -2147483648) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=1, var_1_11=1, var_1_12=10, var_1_13=-2147483648, var_1_14=-2147483648, var_1_15=16, var_1_16=256, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=-1, var_1_7=4, var_1_8=4] [L77] CALL assume_abort_if_not(var_1_14 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=1, var_1_11=1, var_1_12=10, var_1_13=-2147483648, var_1_14=-2147483648, var_1_15=16, var_1_16=256, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=-1, var_1_7=4, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=1, var_1_11=1, var_1_12=10, var_1_13=-2147483648, var_1_14=-2147483648, var_1_15=16, var_1_16=256, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=-1, var_1_7=4, var_1_8=4] [L77] RET assume_abort_if_not(var_1_14 <= 2147483647) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=1, var_1_11=1, var_1_12=10, var_1_13=-2147483648, var_1_14=-2147483648, var_1_15=16, var_1_16=256, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=-1, var_1_7=4, var_1_8=4] [L78] var_1_15 = __VERIFIER_nondet_long() [L79] CALL assume_abort_if_not(var_1_15 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=1, var_1_11=1, var_1_12=10, var_1_13=-2147483648, var_1_14=-2147483648, var_1_15=-1, var_1_16=256, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=-1, var_1_7=4, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=1, var_1_11=1, var_1_12=10, var_1_13=-2147483648, var_1_14=-2147483648, var_1_15=-1, var_1_16=256, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=-1, var_1_7=4, var_1_8=4] [L79] RET assume_abort_if_not(var_1_15 >= -2147483648) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=1, var_1_11=1, var_1_12=10, var_1_13=-2147483648, var_1_14=-2147483648, var_1_15=-1, var_1_16=256, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=-1, var_1_7=4, var_1_8=4] [L80] CALL assume_abort_if_not(var_1_15 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=1, var_1_11=1, var_1_12=10, var_1_13=-2147483648, var_1_14=-2147483648, var_1_15=-1, var_1_16=256, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=-1, var_1_7=4, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=1, var_1_11=1, var_1_12=10, var_1_13=-2147483648, var_1_14=-2147483648, var_1_15=-1, var_1_16=256, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=-1, var_1_7=4, var_1_8=4] [L80] RET assume_abort_if_not(var_1_15 <= 2147483647) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=1, var_1_11=1, var_1_12=10, var_1_13=-2147483648, var_1_14=-2147483648, var_1_15=-1, var_1_16=256, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=-1, var_1_7=4, var_1_8=4] [L81] CALL assume_abort_if_not(var_1_15 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=1, var_1_11=1, var_1_12=10, var_1_13=-2147483648, var_1_14=-2147483648, var_1_15=-1, var_1_16=256, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=-1, var_1_7=4, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=1, var_1_11=1, var_1_12=10, var_1_13=-2147483648, var_1_14=-2147483648, var_1_15=-1, var_1_16=256, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=-1, var_1_7=4, var_1_8=4] [L81] RET assume_abort_if_not(var_1_15 != 0) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=1, var_1_11=1, var_1_12=10, var_1_13=-2147483648, var_1_14=-2147483648, var_1_15=-1, var_1_16=256, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=-1, var_1_7=4, var_1_8=4] [L82] var_1_16 = __VERIFIER_nondet_long() [L83] CALL assume_abort_if_not(var_1_16 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=1, var_1_11=1, var_1_12=10, var_1_13=-2147483648, var_1_14=-2147483648, var_1_15=-1, var_1_16=-2147483648, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=-1, var_1_7=4, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=1, var_1_11=1, var_1_12=10, var_1_13=-2147483648, var_1_14=-2147483648, var_1_15=-1, var_1_16=-2147483648, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=-1, var_1_7=4, var_1_8=4] [L83] RET assume_abort_if_not(var_1_16 >= -2147483648) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=1, var_1_11=1, var_1_12=10, var_1_13=-2147483648, var_1_14=-2147483648, var_1_15=-1, var_1_16=-2147483648, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=-1, var_1_7=4, var_1_8=4] [L84] CALL assume_abort_if_not(var_1_16 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=1, var_1_11=1, var_1_12=10, var_1_13=-2147483648, var_1_14=-2147483648, var_1_15=-1, var_1_16=-2147483648, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=-1, var_1_7=4, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=1, var_1_11=1, var_1_12=10, var_1_13=-2147483648, var_1_14=-2147483648, var_1_15=-1, var_1_16=-2147483648, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=-1, var_1_7=4, var_1_8=4] [L84] RET assume_abort_if_not(var_1_16 <= 2147483647) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=1, var_1_11=1, var_1_12=10, var_1_13=-2147483648, var_1_14=-2147483648, var_1_15=-1, var_1_16=-2147483648, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=-1, var_1_7=4, var_1_8=4] [L85] CALL assume_abort_if_not(var_1_16 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=1, var_1_11=1, var_1_12=10, var_1_13=-2147483648, var_1_14=-2147483648, var_1_15=-1, var_1_16=-2147483648, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=-1, var_1_7=4, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=1, var_1_11=1, var_1_12=10, var_1_13=-2147483648, var_1_14=-2147483648, var_1_15=-1, var_1_16=-2147483648, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=-1, var_1_7=4, var_1_8=4] [L85] RET assume_abort_if_not(var_1_16 != 0) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=1, var_1_11=1, var_1_12=10, var_1_13=-2147483648, var_1_14=-2147483648, var_1_15=-1, var_1_16=-2147483648, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=-1, var_1_7=4, var_1_8=4] [L86] var_1_17 = __VERIFIER_nondet_ulong() [L87] CALL assume_abort_if_not(var_1_17 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=1, var_1_11=1, var_1_12=10, var_1_13=-2147483648, var_1_14=-2147483648, var_1_15=-1, var_1_16=-2147483648, var_1_17=4294967294, var_1_18=0, var_1_1=5, var_1_3=-1, var_1_7=4, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=1, var_1_11=1, var_1_12=10, var_1_13=-2147483648, var_1_14=-2147483648, var_1_15=-1, var_1_16=-2147483648, var_1_17=4294967294, var_1_18=0, var_1_1=5, var_1_3=-1, var_1_7=4, var_1_8=4] [L87] RET assume_abort_if_not(var_1_17 >= 2147483647) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=1, var_1_11=1, var_1_12=10, var_1_13=-2147483648, var_1_14=-2147483648, var_1_15=-1, var_1_16=-2147483648, var_1_17=4294967294, var_1_18=0, var_1_1=5, var_1_3=-1, var_1_7=4, var_1_8=4] [L88] CALL assume_abort_if_not(var_1_17 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=1, var_1_11=1, var_1_12=10, var_1_13=-2147483648, var_1_14=-2147483648, var_1_15=-1, var_1_16=-2147483648, var_1_17=4294967294, var_1_18=0, var_1_1=5, var_1_3=-1, var_1_7=4, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=1, var_1_11=1, var_1_12=10, var_1_13=-2147483648, var_1_14=-2147483648, var_1_15=-1, var_1_16=-2147483648, var_1_17=4294967294, var_1_18=0, var_1_1=5, var_1_3=-1, var_1_7=4, var_1_8=4] [L88] RET assume_abort_if_not(var_1_17 <= 4294967294) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=1, var_1_11=1, var_1_12=10, var_1_13=-2147483648, var_1_14=-2147483648, var_1_15=-1, var_1_16=-2147483648, var_1_17=4294967294, var_1_18=0, var_1_1=5, var_1_3=-1, var_1_7=4, var_1_8=4] [L103] RET updateVariables() [L104] CALL step() [L40] unsigned long int stepLocal_2 = last_1_var_1_12 / var_1_3; VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, stepLocal_2=0, var_1_10=1, var_1_11=1, var_1_12=10, var_1_13=-2147483648, var_1_14=-2147483648, var_1_15=-1, var_1_16=-2147483648, var_1_17=4294967294, var_1_18=0, var_1_1=5, var_1_3=-1, var_1_7=4, var_1_8=4] [L41] COND TRUE stepLocal_2 != (last_1_var_1_18 - 64) [L42] var_1_8 = ((((var_1_10) > (var_1_11)) ? (var_1_10) : (var_1_11))) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, stepLocal_2=0, var_1_10=1, var_1_11=1, var_1_12=10, var_1_13=-2147483648, var_1_14=-2147483648, var_1_15=-1, var_1_16=-2147483648, var_1_17=4294967294, var_1_18=0, var_1_1=5, var_1_3=-1, var_1_7=4, var_1_8=1] [L46] COND TRUE (- (var_1_13 / 0.6f)) > ((var_1_14 + 3.25f) / ((((var_1_15) < (var_1_16)) ? (var_1_15) : (var_1_16)))) [L47] var_1_12 = (500u + ((((var_1_10) < (var_1_8)) ? (var_1_10) : (var_1_8)))) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, stepLocal_2=0, var_1_10=1, var_1_11=1, var_1_12=501, var_1_13=-2147483648, var_1_14=-2147483648, var_1_15=-1, var_1_16=-2147483648, var_1_17=4294967294, var_1_18=0, var_1_1=5, var_1_3=-1, var_1_7=4, var_1_8=1] [L51] var_1_18 = var_1_11 [L52] var_1_7 = var_1_18 [L53] signed long int stepLocal_1 = - var_1_3; [L54] signed long int stepLocal_0 = var_1_7 / var_1_3; VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, stepLocal_0=-1, stepLocal_1=1, stepLocal_2=0, var_1_10=1, var_1_11=1, var_1_12=501, var_1_13=-2147483648, var_1_14=-2147483648, var_1_15=-1, var_1_16=-2147483648, var_1_17=4294967294, var_1_18=1, var_1_1=5, var_1_3=-1, var_1_7=1, var_1_8=1] [L55] COND FALSE !(stepLocal_0 >= var_1_7) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, stepLocal_0=-1, stepLocal_1=1, stepLocal_2=0, var_1_10=1, var_1_11=1, var_1_12=501, var_1_13=-2147483648, var_1_14=-2147483648, var_1_15=-1, var_1_16=-2147483648, var_1_17=4294967294, var_1_18=1, var_1_1=5, var_1_3=-1, var_1_7=1, var_1_8=1] [L104] RET step() [L105] CALL, EXPR property() [L95-L96] return ((((((var_1_7 / var_1_3) >= var_1_7) ? (((- var_1_3) > var_1_7) ? (var_1_1 == ((unsigned short int) ((((var_1_8) < (var_1_18)) ? (var_1_8) : (var_1_18))))) : 1) : 1) && (var_1_7 == ((unsigned short int) var_1_18))) && (((last_1_var_1_12 / var_1_3) != (last_1_var_1_18 - 64)) ? (var_1_8 == ((unsigned char) ((((var_1_10) > (var_1_11)) ? (var_1_10) : (var_1_11))))) : (var_1_8 == ((unsigned char) ((((var_1_11) < (var_1_10)) ? (var_1_11) : (var_1_10))))))) && (((- (var_1_13 / 0.6f)) > ((var_1_14 + 3.25f) / ((((var_1_15) < (var_1_16)) ? (var_1_15) : (var_1_16))))) ? (var_1_12 == ((unsigned long int) (500u + ((((var_1_10) < (var_1_8)) ? (var_1_10) : (var_1_8)))))) : (var_1_12 == ((unsigned long int) (var_1_17 - var_1_10))))) && (var_1_18 == ((unsigned char) var_1_11)) ; VAL [\result=0, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=1, var_1_11=1, var_1_12=501, var_1_13=-2147483648, var_1_14=-2147483648, var_1_15=-1, var_1_16=-2147483648, var_1_17=4294967294, var_1_18=1, var_1_1=5, var_1_3=-1, var_1_7=1, var_1_8=1] [L105] RET, EXPR property() [L105] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=1, var_1_11=1, var_1_12=501, var_1_13=-2147483648, var_1_14=-2147483648, var_1_15=-1, var_1_16=-2147483648, var_1_17=4294967294, var_1_18=1, var_1_1=5, var_1_3=-1, var_1_7=1, var_1_8=1] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=1, var_1_11=1, var_1_12=501, var_1_13=-2147483648, var_1_14=-2147483648, var_1_15=-1, var_1_16=-2147483648, var_1_17=4294967294, var_1_18=1, var_1_1=5, var_1_3=-1, var_1_7=1, var_1_8=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 51 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 19.7s, OverallIterations: 3, TraceHistogramMax: 19, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 13.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 173 SdHoareTripleChecker+Valid, 11.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 157 mSDsluCounter, 339 SdHoareTripleChecker+Invalid, 11.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 227 mSDsCounter, 96 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 464 IncrementalHoareTripleChecker+Invalid, 560 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 96 mSolverCounterUnsat, 112 mSDtfsCounter, 464 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 359 GetRequests, 333 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 112 ImplicationChecksByTransitivity, 2.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=85occurred in iteration=2, InterpolantAutomatonStates: 19, 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, 2 MinimizatonAttempts, 24 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 3.3s InterpolantComputationTime, 464 NumberOfCodeBlocks, 464 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 345 ConstructedInterpolants, 5 QuantifiedInterpolants, 2950 SizeOfPredicates, 7 NumberOfNonLiveVariables, 572 ConjunctsInSsa, 20 ConjunctsInUnsatCore, 3 InterpolantComputations, 1 PerfectInterpolantSequences, 1956/2052 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 [2023-11-06 23:02:45,022 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d1c9153-16c5-47c1-8094-4d0b307cd026/bin/uautomizer-verify-WvqO1wxjHP/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_0d1c9153-16c5-47c1-8094-4d0b307cd026/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d1c9153-16c5-47c1-8094-4d0b307cd026/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d1c9153-16c5-47c1-8094-4d0b307cd026/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d1c9153-16c5-47c1-8094-4d0b307cd026/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-4.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d1c9153-16c5-47c1-8094-4d0b307cd026/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d1c9153-16c5-47c1-8094-4d0b307cd026/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --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 d641f0fce6003e45544d7b313fe1ff9fa273efb3a1cdf3caa63db5b3b8db2e1d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 23:02:47,580 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 23:02:47,718 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d1c9153-16c5-47c1-8094-4d0b307cd026/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-06 23:02:47,727 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 23:02:47,728 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 23:02:47,771 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 23:02:47,772 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 23:02:47,772 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 23:02:47,773 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 23:02:47,778 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 23:02:47,779 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 23:02:47,780 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 23:02:47,780 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 23:02:47,783 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 23:02:47,783 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 23:02:47,783 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 23:02:47,784 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 23:02:47,784 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 23:02:47,785 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 23:02:47,785 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 23:02:47,785 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 23:02:47,786 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-06 23:02:47,786 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-06 23:02:47,787 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-06 23:02:47,787 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 23:02:47,788 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 23:02:47,788 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 23:02:47,789 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 23:02:47,789 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 23:02:47,789 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 23:02:47,791 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 23:02:47,791 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 23:02:47,791 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 23:02:47,792 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 23:02:47,792 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-06 23:02:47,792 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-06 23:02:47,793 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 23:02:47,793 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 23:02:47,793 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 23:02:47,794 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 23:02:47,794 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-06 23:02:47,795 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 23:02:47,795 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_0d1c9153-16c5-47c1-8094-4d0b307cd026/bin/uautomizer-verify-WvqO1wxjHP/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d1c9153-16c5-47c1-8094-4d0b307cd026/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d641f0fce6003e45544d7b313fe1ff9fa273efb3a1cdf3caa63db5b3b8db2e1d [2023-11-06 23:02:48,201 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 23:02:48,222 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 23:02:48,225 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 23:02:48,227 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 23:02:48,227 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 23:02:48,229 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d1c9153-16c5-47c1-8094-4d0b307cd026/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-4.i [2023-11-06 23:02:51,312 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 23:02:51,587 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 23:02:51,588 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d1c9153-16c5-47c1-8094-4d0b307cd026/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-4.i [2023-11-06 23:02:51,603 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d1c9153-16c5-47c1-8094-4d0b307cd026/bin/uautomizer-verify-WvqO1wxjHP/data/ed05c59cc/e838c04abf4a4f99bd1d23f736e3319a/FLAG7064c02a9 [2023-11-06 23:02:51,623 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d1c9153-16c5-47c1-8094-4d0b307cd026/bin/uautomizer-verify-WvqO1wxjHP/data/ed05c59cc/e838c04abf4a4f99bd1d23f736e3319a [2023-11-06 23:02:51,631 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 23:02:51,632 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 23:02:51,636 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 23:02:51,636 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 23:02:51,642 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 23:02:51,642 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:02:51" (1/1) ... [2023-11-06 23:02:51,643 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46a45d2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:02:51, skipping insertion in model container [2023-11-06 23:02:51,644 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:02:51" (1/1) ... [2023-11-06 23:02:51,688 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 23:02:51,882 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_0d1c9153-16c5-47c1-8094-4d0b307cd026/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-4.i[915,928] [2023-11-06 23:02:51,954 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 23:02:51,978 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 23:02:51,992 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_0d1c9153-16c5-47c1-8094-4d0b307cd026/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-4.i[915,928] [2023-11-06 23:02:52,032 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 23:02:52,051 INFO L206 MainTranslator]: Completed translation [2023-11-06 23:02:52,052 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:02:52 WrapperNode [2023-11-06 23:02:52,052 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 23:02:52,053 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 23:02:52,054 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 23:02:52,054 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 23:02:52,062 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:02:52" (1/1) ... [2023-11-06 23:02:52,087 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:02:52" (1/1) ... [2023-11-06 23:02:52,134 INFO L138 Inliner]: procedures = 27, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 108 [2023-11-06 23:02:52,136 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 23:02:52,137 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 23:02:52,138 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 23:02:52,138 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 23:02:52,164 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:02:52" (1/1) ... [2023-11-06 23:02:52,164 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:02:52" (1/1) ... [2023-11-06 23:02:52,168 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:02:52" (1/1) ... [2023-11-06 23:02:52,169 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:02:52" (1/1) ... [2023-11-06 23:02:52,178 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:02:52" (1/1) ... [2023-11-06 23:02:52,182 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:02:52" (1/1) ... [2023-11-06 23:02:52,199 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:02:52" (1/1) ... [2023-11-06 23:02:52,201 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:02:52" (1/1) ... [2023-11-06 23:02:52,205 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 23:02:52,206 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 23:02:52,214 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 23:02:52,227 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 23:02:52,228 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:02:52" (1/1) ... [2023-11-06 23:02:52,249 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 23:02:52,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d1c9153-16c5-47c1-8094-4d0b307cd026/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:02:52,273 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d1c9153-16c5-47c1-8094-4d0b307cd026/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 23:02:52,306 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d1c9153-16c5-47c1-8094-4d0b307cd026/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 23:02:52,325 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 23:02:52,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-06 23:02:52,326 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 23:02:52,326 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 23:02:52,326 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 23:02:52,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 23:02:52,451 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 23:02:52,454 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 23:02:59,204 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 23:02:59,211 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 23:02:59,212 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 23:02:59,214 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:02:59 BoogieIcfgContainer [2023-11-06 23:02:59,214 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 23:02:59,217 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 23:02:59,217 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 23:02:59,221 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 23:02:59,221 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 11:02:51" (1/3) ... [2023-11-06 23:02:59,222 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5384ca39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:02:59, skipping insertion in model container [2023-11-06 23:02:59,222 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:02:52" (2/3) ... [2023-11-06 23:02:59,223 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5384ca39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:02:59, skipping insertion in model container [2023-11-06 23:02:59,223 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:02:59" (3/3) ... [2023-11-06 23:02:59,225 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-4.i [2023-11-06 23:02:59,245 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 23:02:59,246 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 23:02:59,299 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 23:02:59,306 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=LoopsAndPotentialCycles, 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;@207d18f1, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 23:02:59,306 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 23:02:59,311 INFO L276 IsEmpty]: Start isEmpty. Operand has 51 states, 29 states have (on average 1.3103448275862069) internal successors, (38), 30 states have internal predecessors, (38), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-06 23:02:59,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-11-06 23:02:59,330 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:02:59,331 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:02:59,332 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:02:59,338 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:02:59,338 INFO L85 PathProgramCache]: Analyzing trace with hash 1605082745, now seen corresponding path program 1 times [2023-11-06 23:02:59,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 23:02:59,353 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [818269502] [2023-11-06 23:02:59,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:02:59,354 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 [2023-11-06 23:02:59,354 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d1c9153-16c5-47c1-8094-4d0b307cd026/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 23:02:59,361 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d1c9153-16c5-47c1-8094-4d0b307cd026/bin/uautomizer-verify-WvqO1wxjHP/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) [2023-11-06 23:02:59,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d1c9153-16c5-47c1-8094-4d0b307cd026/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 23:03:00,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:03:00,054 INFO L262 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-06 23:03:00,064 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:03:00,141 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 356 proven. 0 refuted. 0 times theorem prover too weak. 328 trivial. 0 not checked. [2023-11-06 23:03:00,143 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:03:00,143 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 23:03:00,144 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [818269502] [2023-11-06 23:03:00,144 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [818269502] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:03:00,145 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:03:00,145 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 23:03:00,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1397451768] [2023-11-06 23:03:00,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:03:00,153 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 23:03:00,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 23:03:00,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 23:03:00,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 23:03:00,201 INFO L87 Difference]: Start difference. First operand has 51 states, 29 states have (on average 1.3103448275862069) internal successors, (38), 30 states have internal predecessors, (38), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-06 23:03:00,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:03:00,248 INFO L93 Difference]: Finished difference Result 95 states and 165 transitions. [2023-11-06 23:03:00,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 23:03:00,251 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 116 [2023-11-06 23:03:00,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:03:00,260 INFO L225 Difference]: With dead ends: 95 [2023-11-06 23:03:00,261 INFO L226 Difference]: Without dead ends: 47 [2023-11-06 23:03:00,265 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 23:03:00,271 INFO L413 NwaCegarLoop]: 69 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, 69 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 [2023-11-06 23:03:00,273 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 23:03:00,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2023-11-06 23:03:00,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2023-11-06 23:03:00,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 26 states have (on average 1.1923076923076923) internal successors, (31), 26 states have internal predecessors, (31), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-06 23:03:00,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 69 transitions. [2023-11-06 23:03:00,337 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 69 transitions. Word has length 116 [2023-11-06 23:03:00,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:03:00,337 INFO L495 AbstractCegarLoop]: Abstraction has 47 states and 69 transitions. [2023-11-06 23:03:00,338 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-06 23:03:00,338 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 69 transitions. [2023-11-06 23:03:00,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-11-06 23:03:00,345 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:03:00,345 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:03:00,373 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d1c9153-16c5-47c1-8094-4d0b307cd026/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 23:03:00,560 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d1c9153-16c5-47c1-8094-4d0b307cd026/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 23:03:00,561 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:03:00,562 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:03:00,562 INFO L85 PathProgramCache]: Analyzing trace with hash -741041665, now seen corresponding path program 1 times [2023-11-06 23:03:00,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 23:03:00,563 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [440034384] [2023-11-06 23:03:00,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:03:00,563 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 [2023-11-06 23:03:00,563 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d1c9153-16c5-47c1-8094-4d0b307cd026/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 23:03:00,565 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d1c9153-16c5-47c1-8094-4d0b307cd026/bin/uautomizer-verify-WvqO1wxjHP/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) [2023-11-06 23:03:00,595 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d1c9153-16c5-47c1-8094-4d0b307cd026/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 23:03:01,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:03:01,166 INFO L262 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-06 23:03:01,178 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:03:05,618 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 150 proven. 48 refuted. 0 times theorem prover too weak. 486 trivial. 0 not checked. [2023-11-06 23:03:05,618 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 23:03:08,044 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 23:03:08,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [440034384] [2023-11-06 23:03:08,045 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [440034384] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 23:03:08,045 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1549834758] [2023-11-06 23:03:08,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:03:08,045 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-06 23:03:08,046 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d1c9153-16c5-47c1-8094-4d0b307cd026/bin/uautomizer-verify-WvqO1wxjHP/cvc4 [2023-11-06 23:03:08,051 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d1c9153-16c5-47c1-8094-4d0b307cd026/bin/uautomizer-verify-WvqO1wxjHP/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-06 23:03:08,072 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d1c9153-16c5-47c1-8094-4d0b307cd026/bin/uautomizer-verify-WvqO1wxjHP/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-06 23:03:08,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:03:08,871 INFO L262 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-06 23:03:08,875 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:03:11,740 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-11-06 23:03:11,740 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:03:11,741 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1549834758] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:03:11,741 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 23:03:11,741 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 8 [2023-11-06 23:03:11,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [308753342] [2023-11-06 23:03:11,742 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:03:11,743 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 23:03:11,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 23:03:11,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 23:03:11,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2023-11-06 23:03:11,745 INFO L87 Difference]: Start difference. First operand 47 states and 69 transitions. Second operand has 5 states, 5 states have (on average 4.8) internal successors, (24), 4 states have internal predecessors, (24), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-06 23:03:16,507 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.40s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 23:03:19,255 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.40s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 23:03:21,826 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.41s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 23:03:23,834 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 23:03:25,849 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 23:03:28,464 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.37s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 23:03:30,943 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.48s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 23:03:33,512 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.57s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 23:03:35,522 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 23:03:37,526 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 23:03:37,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:03:37,527 INFO L93 Difference]: Finished difference Result 136 states and 202 transitions. [2023-11-06 23:03:37,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 23:03:37,652 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 4 states have internal predecessors, (24), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 116 [2023-11-06 23:03:37,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:03:37,655 INFO L225 Difference]: With dead ends: 136 [2023-11-06 23:03:37,655 INFO L226 Difference]: Without dead ends: 92 [2023-11-06 23:03:37,656 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 330 GetRequests, 317 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2023-11-06 23:03:37,658 INFO L413 NwaCegarLoop]: 66 mSDtfsCounter, 39 mSDsluCounter, 146 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 39 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 212 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.1s IncrementalHoareTripleChecker+Time [2023-11-06 23:03:37,659 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 212 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 53 Invalid, 10 Unknown, 0 Unchecked, 25.1s Time] [2023-11-06 23:03:37,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2023-11-06 23:03:37,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 81. [2023-11-06 23:03:37,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 40 states have (on average 1.125) internal successors, (45), 40 states have internal predecessors, (45), 38 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2023-11-06 23:03:37,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 121 transitions. [2023-11-06 23:03:37,695 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 121 transitions. Word has length 116 [2023-11-06 23:03:37,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:03:37,696 INFO L495 AbstractCegarLoop]: Abstraction has 81 states and 121 transitions. [2023-11-06 23:03:37,697 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 4 states have internal predecessors, (24), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-06 23:03:37,697 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 121 transitions. [2023-11-06 23:03:37,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-11-06 23:03:37,699 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:03:37,700 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:03:37,710 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d1c9153-16c5-47c1-8094-4d0b307cd026/bin/uautomizer-verify-WvqO1wxjHP/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-11-06 23:03:37,925 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d1c9153-16c5-47c1-8094-4d0b307cd026/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 23:03:38,111 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d1c9153-16c5-47c1-8094-4d0b307cd026/bin/uautomizer-verify-WvqO1wxjHP/cvc4 --incremental --print-success --lang smt,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d1c9153-16c5-47c1-8094-4d0b307cd026/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 23:03:38,111 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:03:38,112 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:03:38,113 INFO L85 PathProgramCache]: Analyzing trace with hash 68304961, now seen corresponding path program 1 times [2023-11-06 23:03:38,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 23:03:38,114 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [951892850] [2023-11-06 23:03:38,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:03:38,114 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 [2023-11-06 23:03:38,114 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d1c9153-16c5-47c1-8094-4d0b307cd026/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 23:03:38,115 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d1c9153-16c5-47c1-8094-4d0b307cd026/bin/uautomizer-verify-WvqO1wxjHP/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) [2023-11-06 23:03:38,121 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d1c9153-16c5-47c1-8094-4d0b307cd026/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 23:03:38,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:03:38,699 INFO L262 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-06 23:03:38,706 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:04:56,164 WARN L839 $PredicateComparison]: unable to prove that (let ((.cse6 ((_ sign_extend 16) c_~var_1_3~0)) (.cse2 ((_ zero_extend 24) c_~var_1_10~0))) (and (= c_~last_1_var_1_18~0 (_ bv0 8)) (let ((.cse0 ((_ zero_extend 24) c_~var_1_11~0))) (let ((.cse1 (bvsgt .cse2 .cse0))) (or (and (= ((_ extract 7 0) .cse0) c_~var_1_8~0) (not .cse1)) (and (= ((_ extract 7 0) .cse2) c_~var_1_8~0) .cse1)))) (let ((.cse3 (bvslt c_~var_1_15~0 c_~var_1_16~0)) (.cse4 (fp.neg (fp.div c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_13~0) ((_ to_fp 8 24) c_currentRoundingMode (/ 3.0 5.0))))) (.cse5 (fp.add c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_14~0) ((_ to_fp 8 24) c_currentRoundingMode (/ 13.0 4.0))))) (or (and (not .cse3) (fp.gt .cse4 (fp.div c_currentRoundingMode .cse5 ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_16~0)))) (and .cse3 (fp.gt .cse4 (fp.div c_currentRoundingMode .cse5 ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_15~0)))))) (not (= (bvadd (bvudiv c_~last_1_var_1_12~0 .cse6) (_ bv64 32)) (_ bv0 32))) (not (= .cse6 (_ bv0 32))) (let ((.cse8 ((_ zero_extend 24) c_~var_1_8~0))) (let ((.cse7 (bvslt .cse2 .cse8))) (or (and .cse7 (= (bvadd (_ bv500 32) .cse2) c_~var_1_12~0)) (and (not .cse7) (= c_~var_1_12~0 (bvadd (_ bv500 32) .cse8)))))))) is different from false [2023-11-06 23:04:58,363 WARN L861 $PredicateComparison]: unable to prove that (let ((.cse6 ((_ sign_extend 16) c_~var_1_3~0)) (.cse2 ((_ zero_extend 24) c_~var_1_10~0))) (and (= c_~last_1_var_1_18~0 (_ bv0 8)) (let ((.cse0 ((_ zero_extend 24) c_~var_1_11~0))) (let ((.cse1 (bvsgt .cse2 .cse0))) (or (and (= ((_ extract 7 0) .cse0) c_~var_1_8~0) (not .cse1)) (and (= ((_ extract 7 0) .cse2) c_~var_1_8~0) .cse1)))) (let ((.cse3 (bvslt c_~var_1_15~0 c_~var_1_16~0)) (.cse4 (fp.neg (fp.div c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_13~0) ((_ to_fp 8 24) c_currentRoundingMode (/ 3.0 5.0))))) (.cse5 (fp.add c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_14~0) ((_ to_fp 8 24) c_currentRoundingMode (/ 13.0 4.0))))) (or (and (not .cse3) (fp.gt .cse4 (fp.div c_currentRoundingMode .cse5 ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_16~0)))) (and .cse3 (fp.gt .cse4 (fp.div c_currentRoundingMode .cse5 ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_15~0)))))) (not (= (bvadd (bvudiv c_~last_1_var_1_12~0 .cse6) (_ bv64 32)) (_ bv0 32))) (not (= .cse6 (_ bv0 32))) (let ((.cse8 ((_ zero_extend 24) c_~var_1_8~0))) (let ((.cse7 (bvslt .cse2 .cse8))) (or (and .cse7 (= (bvadd (_ bv500 32) .cse2) c_~var_1_12~0)) (and (not .cse7) (= c_~var_1_12~0 (bvadd (_ bv500 32) .cse8)))))))) is different from true [2023-11-06 23:05:28,148 WARN L293 SmtUtils]: Spent 5.03s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-06 23:06:15,996 WARN L293 SmtUtils]: Spent 5.09s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-06 23:06:18,257 WARN L839 $PredicateComparison]: unable to prove that (let ((.cse6 ((_ sign_extend 16) c_~var_1_3~0)) (.cse2 ((_ zero_extend 24) c_~var_1_10~0))) (and (= c_~var_1_18~0 c_~var_1_11~0) (= c_~last_1_var_1_18~0 (_ bv0 8)) (let ((.cse0 ((_ zero_extend 24) c_~var_1_11~0))) (let ((.cse1 (bvsgt .cse2 .cse0))) (or (and (= ((_ extract 7 0) .cse0) c_~var_1_8~0) (not .cse1)) (and (= ((_ extract 7 0) .cse2) c_~var_1_8~0) .cse1)))) (let ((.cse3 (bvslt c_~var_1_15~0 c_~var_1_16~0)) (.cse4 (fp.neg (fp.div c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_13~0) ((_ to_fp 8 24) c_currentRoundingMode (/ 3.0 5.0))))) (.cse5 (fp.add c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_14~0) ((_ to_fp 8 24) c_currentRoundingMode (/ 13.0 4.0))))) (or (and (not .cse3) (fp.gt .cse4 (fp.div c_currentRoundingMode .cse5 ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_16~0)))) (and .cse3 (fp.gt .cse4 (fp.div c_currentRoundingMode .cse5 ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_15~0)))))) (= ((_ zero_extend 8) c_~var_1_18~0) c_~var_1_7~0) (not (= (bvadd (bvudiv c_~last_1_var_1_12~0 .cse6) (_ bv64 32)) (_ bv0 32))) (= (bvsdiv ((_ zero_extend 16) c_~var_1_7~0) .cse6) |c_ULTIMATE.start_step_~stepLocal_0~0#1|) (not (= .cse6 (_ bv0 32))) (= (bvadd (_ bv500 32) .cse2) c_~var_1_12~0))) is different from false [2023-11-06 23:06:20,499 WARN L861 $PredicateComparison]: unable to prove that (let ((.cse6 ((_ sign_extend 16) c_~var_1_3~0)) (.cse2 ((_ zero_extend 24) c_~var_1_10~0))) (and (= c_~var_1_18~0 c_~var_1_11~0) (= c_~last_1_var_1_18~0 (_ bv0 8)) (let ((.cse0 ((_ zero_extend 24) c_~var_1_11~0))) (let ((.cse1 (bvsgt .cse2 .cse0))) (or (and (= ((_ extract 7 0) .cse0) c_~var_1_8~0) (not .cse1)) (and (= ((_ extract 7 0) .cse2) c_~var_1_8~0) .cse1)))) (let ((.cse3 (bvslt c_~var_1_15~0 c_~var_1_16~0)) (.cse4 (fp.neg (fp.div c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_13~0) ((_ to_fp 8 24) c_currentRoundingMode (/ 3.0 5.0))))) (.cse5 (fp.add c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_14~0) ((_ to_fp 8 24) c_currentRoundingMode (/ 13.0 4.0))))) (or (and (not .cse3) (fp.gt .cse4 (fp.div c_currentRoundingMode .cse5 ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_16~0)))) (and .cse3 (fp.gt .cse4 (fp.div c_currentRoundingMode .cse5 ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_15~0)))))) (= ((_ zero_extend 8) c_~var_1_18~0) c_~var_1_7~0) (not (= (bvadd (bvudiv c_~last_1_var_1_12~0 .cse6) (_ bv64 32)) (_ bv0 32))) (= (bvsdiv ((_ zero_extend 16) c_~var_1_7~0) .cse6) |c_ULTIMATE.start_step_~stepLocal_0~0#1|) (not (= .cse6 (_ bv0 32))) (= (bvadd (_ bv500 32) .cse2) c_~var_1_12~0))) is different from true [2023-11-06 23:06:25,544 WARN L293 SmtUtils]: Spent 5.02s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-06 23:06:30,578 WARN L293 SmtUtils]: Spent 5.03s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-06 23:06:35,657 WARN L293 SmtUtils]: Spent 5.08s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)