./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-84.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 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_71d82db4-8a66-4cc8-9d44-e5912cd4eab5/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71d82db4-8a66-4cc8-9d44-e5912cd4eab5/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71d82db4-8a66-4cc8-9d44-e5912cd4eab5/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71d82db4-8a66-4cc8-9d44-e5912cd4eab5/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-84.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71d82db4-8a66-4cc8-9d44-e5912cd4eab5/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71d82db4-8a66-4cc8-9d44-e5912cd4eab5/bin/uautomizer-verify-uTZkv6EMXl --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 45c081c18111dd155e78ed85bc578485b2832d478798dee1aff049f2097e33fc --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:08:25,404 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:08:25,532 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71d82db4-8a66-4cc8-9d44-e5912cd4eab5/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-12 02:08:25,541 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:08:25,542 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:08:25,581 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:08:25,582 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:08:25,583 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:08:25,584 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:08:25,589 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:08:25,590 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:08:25,591 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:08:25,591 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:08:25,593 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:08:25,594 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:08:25,594 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 02:08:25,594 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:08:25,595 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 02:08:25,595 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:08:25,596 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:08:25,596 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:08:25,597 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:08:25,597 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 02:08:25,598 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:08:25,598 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:08:25,599 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:08:25,599 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:08:25,600 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:08:25,600 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:08:25,601 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:08:25,602 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:08:25,602 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:08:25,603 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-12 02:08:25,603 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 02:08:25,603 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:08:25,603 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:08:25,604 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:08:25,604 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:08:25,604 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:08:25,625 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_71d82db4-8a66-4cc8-9d44-e5912cd4eab5/bin/uautomizer-verify-uTZkv6EMXl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71d82db4-8a66-4cc8-9d44-e5912cd4eab5/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 45c081c18111dd155e78ed85bc578485b2832d478798dee1aff049f2097e33fc [2023-11-12 02:08:25,907 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:08:25,932 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:08:25,935 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:08:25,936 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:08:25,937 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:08:25,938 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71d82db4-8a66-4cc8-9d44-e5912cd4eab5/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-84.i [2023-11-12 02:08:29,081 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:08:29,315 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:08:29,316 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71d82db4-8a66-4cc8-9d44-e5912cd4eab5/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-84.i [2023-11-12 02:08:29,330 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71d82db4-8a66-4cc8-9d44-e5912cd4eab5/bin/uautomizer-verify-uTZkv6EMXl/data/cb3edae9d/3982fc02f6b34bc7b52ea35a05f73e08/FLAGaae0013df [2023-11-12 02:08:29,352 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71d82db4-8a66-4cc8-9d44-e5912cd4eab5/bin/uautomizer-verify-uTZkv6EMXl/data/cb3edae9d/3982fc02f6b34bc7b52ea35a05f73e08 [2023-11-12 02:08:29,359 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:08:29,360 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:08:29,362 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:08:29,362 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:08:29,369 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:08:29,370 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:08:29" (1/1) ... [2023-11-12 02:08:29,371 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ea72d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:08:29, skipping insertion in model container [2023-11-12 02:08:29,372 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:08:29" (1/1) ... [2023-11-12 02:08:29,417 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:08:29,591 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_71d82db4-8a66-4cc8-9d44-e5912cd4eab5/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-84.i[917,930] [2023-11-12 02:08:29,678 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:08:29,698 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:08:29,712 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_71d82db4-8a66-4cc8-9d44-e5912cd4eab5/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-84.i[917,930] [2023-11-12 02:08:29,736 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:08:29,754 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:08:29,755 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:08:29 WrapperNode [2023-11-12 02:08:29,755 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:08:29,756 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:08:29,757 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:08:29,757 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:08:29,765 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:08:29" (1/1) ... [2023-11-12 02:08:29,777 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:08:29" (1/1) ... [2023-11-12 02:08:29,831 INFO L138 Inliner]: procedures = 26, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 117 [2023-11-12 02:08:29,832 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:08:29,833 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:08:29,833 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:08:29,833 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:08:29,843 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:08:29" (1/1) ... [2023-11-12 02:08:29,843 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:08:29" (1/1) ... [2023-11-12 02:08:29,847 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:08:29" (1/1) ... [2023-11-12 02:08:29,847 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:08:29" (1/1) ... [2023-11-12 02:08:29,858 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:08:29" (1/1) ... [2023-11-12 02:08:29,862 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:08:29" (1/1) ... [2023-11-12 02:08:29,864 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:08:29" (1/1) ... [2023-11-12 02:08:29,866 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:08:29" (1/1) ... [2023-11-12 02:08:29,871 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:08:29,872 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:08:29,872 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:08:29,872 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:08:29,873 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:08:29" (1/1) ... [2023-11-12 02:08:29,893 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:08:29,911 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71d82db4-8a66-4cc8-9d44-e5912cd4eab5/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:08:29,933 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71d82db4-8a66-4cc8-9d44-e5912cd4eab5/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 02:08:29,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71d82db4-8a66-4cc8-9d44-e5912cd4eab5/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 02:08:29,982 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:08:29,982 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 02:08:29,983 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 02:08:29,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 02:08:29,983 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:08:29,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:08:30,094 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:08:30,097 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:08:30,596 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:08:30,602 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:08:30,602 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 02:08:30,604 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:08:30 BoogieIcfgContainer [2023-11-12 02:08:30,604 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:08:30,608 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 02:08:30,608 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 02:08:30,612 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 02:08:30,612 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:08:29" (1/3) ... [2023-11-12 02:08:30,613 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38b9aeda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:08:30, skipping insertion in model container [2023-11-12 02:08:30,613 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:08:29" (2/3) ... [2023-11-12 02:08:30,614 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38b9aeda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:08:30, skipping insertion in model container [2023-11-12 02:08:30,614 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:08:30" (3/3) ... [2023-11-12 02:08:30,616 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-84.i [2023-11-12 02:08:30,638 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 02:08:30,638 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 02:08:30,696 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 02:08:30,706 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@6c6f3d12, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-12 02:08:30,707 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 02:08:30,712 INFO L276 IsEmpty]: Start isEmpty. Operand has 55 states, 32 states have (on average 1.3125) internal successors, (42), 33 states have internal predecessors, (42), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-12 02:08:30,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-11-12 02:08:30,735 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:08:30,737 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:08:30,738 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:08:30,745 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:08:30,745 INFO L85 PathProgramCache]: Analyzing trace with hash 1711375037, now seen corresponding path program 1 times [2023-11-12 02:08:30,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:08:30,761 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [313197944] [2023-11-12 02:08:30,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:08:30,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:08:30,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:08:31,056 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:08:31,058 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [313197944] [2023-11-12 02:08:31,059 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-12 02:08:31,059 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [978186130] [2023-11-12 02:08:31,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:08:31,060 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:08:31,060 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71d82db4-8a66-4cc8-9d44-e5912cd4eab5/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:08:31,064 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71d82db4-8a66-4cc8-9d44-e5912cd4eab5/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:08:31,084 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71d82db4-8a66-4cc8-9d44-e5912cd4eab5/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-12 02:08:31,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:08:31,259 INFO L262 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-12 02:08:31,270 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:08:31,336 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 722 trivial. 0 not checked. [2023-11-12 02:08:31,337 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:08:31,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [978186130] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:08:31,338 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:08:31,339 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 02:08:31,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [398846238] [2023-11-12 02:08:31,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:08:31,350 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-12 02:08:31,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:08:31,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-12 02:08:31,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 02:08:31,387 INFO L87 Difference]: Start difference. First operand has 55 states, 32 states have (on average 1.3125) internal successors, (42), 33 states have internal predecessors, (42), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2023-11-12 02:08:31,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:08:31,421 INFO L93 Difference]: Finished difference Result 103 states and 178 transitions. [2023-11-12 02:08:31,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-12 02:08:31,424 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) Word has length 124 [2023-11-12 02:08:31,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:08:31,431 INFO L225 Difference]: With dead ends: 103 [2023-11-12 02:08:31,431 INFO L226 Difference]: Without dead ends: 51 [2023-11-12 02:08:31,434 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 02:08:31,439 INFO L413 NwaCegarLoop]: 75 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, 75 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 [2023-11-12 02:08:31,440 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 02:08:31,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2023-11-12 02:08:31,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2023-11-12 02:08:31,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 29 states have (on average 1.206896551724138) internal successors, (35), 29 states have internal predecessors, (35), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-12 02:08:31,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 75 transitions. [2023-11-12 02:08:31,487 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 75 transitions. Word has length 124 [2023-11-12 02:08:31,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:08:31,488 INFO L495 AbstractCegarLoop]: Abstraction has 51 states and 75 transitions. [2023-11-12 02:08:31,488 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2023-11-12 02:08:31,489 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 75 transitions. [2023-11-12 02:08:31,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-11-12 02:08:31,493 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:08:31,493 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:08:31,505 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71d82db4-8a66-4cc8-9d44-e5912cd4eab5/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-12 02:08:31,699 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71d82db4-8a66-4cc8-9d44-e5912cd4eab5/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-12 02:08:31,700 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:08:31,700 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:08:31,701 INFO L85 PathProgramCache]: Analyzing trace with hash 694659133, now seen corresponding path program 1 times [2023-11-12 02:08:31,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:08:31,701 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [694962161] [2023-11-12 02:08:31,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:08:31,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:08:31,792 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 02:08:31,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1037441643] [2023-11-12 02:08:31,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:08:31,793 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:08:31,793 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71d82db4-8a66-4cc8-9d44-e5912cd4eab5/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:08:31,794 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71d82db4-8a66-4cc8-9d44-e5912cd4eab5/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:08:31,810 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71d82db4-8a66-4cc8-9d44-e5912cd4eab5/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-12 02:08:32,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:08:32,355 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:08:32,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:08:32,560 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:08:32,561 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-12 02:08:32,564 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-12 02:08:32,578 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71d82db4-8a66-4cc8-9d44-e5912cd4eab5/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-12 02:08:32,767 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71d82db4-8a66-4cc8-9d44-e5912cd4eab5/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:08:32,771 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-12 02:08:32,776 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-11-12 02:08:32,921 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 02:08:32 BoogieIcfgContainer [2023-11-12 02:08:32,921 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 02:08:32,922 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 02:08:32,922 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 02:08:32,922 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 02:08:32,923 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:08:30" (3/4) ... [2023-11-12 02:08:32,925 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-12 02:08:32,926 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 02:08:32,927 INFO L158 Benchmark]: Toolchain (without parser) took 3566.57ms. Allocated memory was 121.6MB in the beginning and 180.4MB in the end (delta: 58.7MB). Free memory was 78.1MB in the beginning and 140.7MB in the end (delta: -62.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:08:32,928 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 121.6MB. Free memory is still 92.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:08:32,928 INFO L158 Benchmark]: CACSL2BoogieTranslator took 393.53ms. Allocated memory is still 121.6MB. Free memory was 78.1MB in the beginning and 65.1MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-12 02:08:32,929 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.57ms. Allocated memory is still 121.6MB. Free memory was 65.1MB in the beginning and 61.8MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-12 02:08:32,929 INFO L158 Benchmark]: Boogie Preprocessor took 38.37ms. Allocated memory is still 121.6MB. Free memory was 61.8MB in the beginning and 60.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 02:08:32,930 INFO L158 Benchmark]: RCFGBuilder took 732.87ms. Allocated memory was 121.6MB in the beginning and 180.4MB in the end (delta: 58.7MB). Free memory was 59.7MB in the beginning and 149.2MB in the end (delta: -89.5MB). Peak memory consumption was 26.1MB. Max. memory is 16.1GB. [2023-11-12 02:08:32,931 INFO L158 Benchmark]: TraceAbstraction took 2313.66ms. Allocated memory is still 180.4MB. Free memory was 148.3MB in the beginning and 140.7MB in the end (delta: 7.6MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. [2023-11-12 02:08:32,931 INFO L158 Benchmark]: Witness Printer took 4.23ms. Allocated memory is still 180.4MB. Free memory is still 140.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:08:32,934 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 121.6MB. Free memory is still 92.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 393.53ms. Allocated memory is still 121.6MB. Free memory was 78.1MB in the beginning and 65.1MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 75.57ms. Allocated memory is still 121.6MB. Free memory was 65.1MB in the beginning and 61.8MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.37ms. Allocated memory is still 121.6MB. Free memory was 61.8MB in the beginning and 60.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 732.87ms. Allocated memory was 121.6MB in the beginning and 180.4MB in the end (delta: 58.7MB). Free memory was 59.7MB in the beginning and 149.2MB in the end (delta: -89.5MB). Peak memory consumption was 26.1MB. Max. memory is 16.1GB. * TraceAbstraction took 2313.66ms. Allocated memory is still 180.4MB. Free memory was 148.3MB in the beginning and 140.7MB in the end (delta: 7.6MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. * Witness Printer took 4.23ms. Allocated memory is still 180.4MB. Free memory is still 140.7MB. 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 100. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 128; [L23] unsigned char var_1_4 = 25; [L24] unsigned char var_1_5 = 64; [L25] unsigned char var_1_6 = 8; [L26] unsigned char var_1_7 = 0; [L27] unsigned short int var_1_8 = 64; [L28] unsigned char var_1_9 = 1; [L29] unsigned short int var_1_10 = 27843; [L30] signed short int var_1_11 = -4; [L31] unsigned char var_1_13 = 128; [L32] unsigned char var_1_14 = 5; [L33] signed short int var_1_15 = 28020; [L34] signed short int var_1_16 = 128; [L35] float var_1_17 = 1000000000.926; [L36] float var_1_18 = 1000000.6; [L37] unsigned short int last_1_var_1_8 = 64; [L38] signed short int last_1_var_1_11 = -4; VAL [isInitial=0, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=27843, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=500000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=25, var_1_5=64, var_1_6=8, var_1_7=0, var_1_8=64, var_1_9=1] [L104] isInitial = 1 [L105] FCALL initially() [L106] COND TRUE 1 [L107] CALL updateLastVariables() [L96] last_1_var_1_8 = var_1_8 [L97] last_1_var_1_11 = var_1_11 VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=27843, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=500000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=25, var_1_5=64, var_1_6=8, var_1_7=0, var_1_8=64, var_1_9=1] [L107] RET updateLastVariables() [L108] CALL updateVariables() [L64] var_1_4 = __VERIFIER_nondet_uchar() [L65] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=27843, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=500000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_5=64, var_1_6=8, var_1_7=0, var_1_8=64, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=27843, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=500000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_5=64, var_1_6=8, var_1_7=0, var_1_8=64, var_1_9=1] [L65] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=27843, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=500000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_5=64, var_1_6=8, var_1_7=0, var_1_8=64, var_1_9=1] [L66] CALL assume_abort_if_not(var_1_4 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=27843, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=500000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=0, var_1_5=64, var_1_6=8, var_1_7=0, var_1_8=64, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=27843, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=500000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=0, var_1_5=64, var_1_6=8, var_1_7=0, var_1_8=64, var_1_9=1] [L66] RET assume_abort_if_not(var_1_4 <= 127) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=27843, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=500000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=0, var_1_5=64, var_1_6=8, var_1_7=0, var_1_8=64, var_1_9=1] [L67] var_1_5 = __VERIFIER_nondet_uchar() [L68] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=27843, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=500000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=0, var_1_5=0, var_1_6=8, var_1_7=0, var_1_8=64, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=27843, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=500000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=0, var_1_5=0, var_1_6=8, var_1_7=0, var_1_8=64, var_1_9=1] [L68] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=27843, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=500000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=0, var_1_5=0, var_1_6=8, var_1_7=0, var_1_8=64, var_1_9=1] [L69] CALL assume_abort_if_not(var_1_5 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=27843, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=500000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=0, var_1_5=0, var_1_6=8, var_1_7=0, var_1_8=64, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=27843, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=500000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=0, var_1_5=0, var_1_6=8, var_1_7=0, var_1_8=64, var_1_9=1] [L69] RET assume_abort_if_not(var_1_5 <= 127) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=27843, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=500000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=0, var_1_5=0, var_1_6=8, var_1_7=0, var_1_8=64, var_1_9=1] [L70] var_1_6 = __VERIFIER_nondet_uchar() [L71] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=27843, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=500000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=64, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=27843, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=500000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=64, var_1_9=1] [L71] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=27843, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=500000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=64, var_1_9=1] [L72] CALL assume_abort_if_not(var_1_6 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=27843, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=500000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=64, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=27843, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=500000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=64, var_1_9=1] [L72] RET assume_abort_if_not(var_1_6 <= 127) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=27843, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=500000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=64, var_1_9=1] [L73] var_1_7 = __VERIFIER_nondet_uchar() [L74] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=27843, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=500000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=127, var_1_8=64, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=27843, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=500000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=127, var_1_8=64, var_1_9=1] [L74] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=27843, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=500000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=127, var_1_8=64, var_1_9=1] [L75] CALL assume_abort_if_not(var_1_7 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=27843, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=500000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=127, var_1_8=64, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=27843, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=500000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=127, var_1_8=64, var_1_9=1] [L75] RET assume_abort_if_not(var_1_7 <= 127) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=27843, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=500000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=127, var_1_8=64, var_1_9=1] [L76] var_1_9 = __VERIFIER_nondet_uchar() [L77] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=27843, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=500000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=127, var_1_8=64, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=27843, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=500000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=127, var_1_8=64, var_1_9=1] [L77] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=27843, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=500000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=127, var_1_8=64, var_1_9=1] [L78] CALL assume_abort_if_not(var_1_9 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=27843, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=500000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=127, var_1_8=64, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=27843, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=500000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=127, var_1_8=64, var_1_9=1] [L78] RET assume_abort_if_not(var_1_9 <= 1) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=27843, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=500000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=127, var_1_8=64, var_1_9=1] [L79] var_1_10 = __VERIFIER_nondet_ushort() [L80] CALL assume_abort_if_not(var_1_10 >= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=16383, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=500000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=127, var_1_8=64, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=16383, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=500000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=127, var_1_8=64, var_1_9=1] [L80] RET assume_abort_if_not(var_1_10 >= 16383) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=16383, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=500000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=127, var_1_8=64, var_1_9=1] [L81] CALL assume_abort_if_not(var_1_10 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=16383, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=500000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=127, var_1_8=64, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=16383, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=500000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=127, var_1_8=64, var_1_9=1] [L81] RET assume_abort_if_not(var_1_10 <= 32767) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=16383, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=500000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=127, var_1_8=64, var_1_9=1] [L82] var_1_13 = __VERIFIER_nondet_uchar() [L83] CALL assume_abort_if_not(var_1_13 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=16383, var_1_11=-4, var_1_13=127, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=500000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=127, var_1_8=64, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=16383, var_1_11=-4, var_1_13=127, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=500000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=127, var_1_8=64, var_1_9=1] [L83] RET assume_abort_if_not(var_1_13 >= 127) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=16383, var_1_11=-4, var_1_13=127, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=500000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=127, var_1_8=64, var_1_9=1] [L84] CALL assume_abort_if_not(var_1_13 <= 255) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=16383, var_1_11=-4, var_1_13=127, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=500000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=127, var_1_8=64, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=16383, var_1_11=-4, var_1_13=127, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=500000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=127, var_1_8=64, var_1_9=1] [L84] RET assume_abort_if_not(var_1_13 <= 255) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=16383, var_1_11=-4, var_1_13=127, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=500000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=127, var_1_8=64, var_1_9=1] [L85] var_1_14 = __VERIFIER_nondet_uchar() [L86] CALL assume_abort_if_not(var_1_14 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=16383, var_1_11=-4, var_1_13=127, var_1_14=126, var_1_15=28020, var_1_16=128, var_1_17=500000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=127, var_1_8=64, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=16383, var_1_11=-4, var_1_13=127, var_1_14=126, var_1_15=28020, var_1_16=128, var_1_17=500000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=127, var_1_8=64, var_1_9=1] [L86] RET assume_abort_if_not(var_1_14 >= 1) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=16383, var_1_11=-4, var_1_13=127, var_1_14=126, var_1_15=28020, var_1_16=128, var_1_17=500000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=127, var_1_8=64, var_1_9=1] [L87] CALL assume_abort_if_not(var_1_14 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=16383, var_1_11=-4, var_1_13=127, var_1_14=126, var_1_15=28020, var_1_16=128, var_1_17=500000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=127, var_1_8=64, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=16383, var_1_11=-4, var_1_13=127, var_1_14=126, var_1_15=28020, var_1_16=128, var_1_17=500000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=127, var_1_8=64, var_1_9=1] [L87] RET assume_abort_if_not(var_1_14 <= 126) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=16383, var_1_11=-4, var_1_13=127, var_1_14=126, var_1_15=28020, var_1_16=128, var_1_17=500000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=127, var_1_8=64, var_1_9=1] [L88] CALL assume_abort_if_not(var_1_14 != 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=16383, var_1_11=-4, var_1_13=127, var_1_14=126, var_1_15=28020, var_1_16=128, var_1_17=500000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=127, var_1_8=64, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=16383, var_1_11=-4, var_1_13=127, var_1_14=126, var_1_15=28020, var_1_16=128, var_1_17=500000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=127, var_1_8=64, var_1_9=1] [L88] RET assume_abort_if_not(var_1_14 != 127) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=16383, var_1_11=-4, var_1_13=127, var_1_14=126, var_1_15=28020, var_1_16=128, var_1_17=500000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=127, var_1_8=64, var_1_9=1] [L89] var_1_15 = __VERIFIER_nondet_short() [L90] CALL assume_abort_if_not(var_1_15 >= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=16383, var_1_11=-4, var_1_13=127, var_1_14=126, var_1_15=16383, var_1_16=128, var_1_17=500000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=127, var_1_8=64, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=16383, var_1_11=-4, var_1_13=127, var_1_14=126, var_1_15=16383, var_1_16=128, var_1_17=500000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=127, var_1_8=64, var_1_9=1] [L90] RET assume_abort_if_not(var_1_15 >= 16383) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=16383, var_1_11=-4, var_1_13=127, var_1_14=126, var_1_15=16383, var_1_16=128, var_1_17=500000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=127, var_1_8=64, var_1_9=1] [L91] CALL assume_abort_if_not(var_1_15 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=16383, var_1_11=-4, var_1_13=127, var_1_14=126, var_1_15=16383, var_1_16=128, var_1_17=500000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=127, var_1_8=64, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=16383, var_1_11=-4, var_1_13=127, var_1_14=126, var_1_15=16383, var_1_16=128, var_1_17=500000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=127, var_1_8=64, var_1_9=1] [L91] RET assume_abort_if_not(var_1_15 <= 32766) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=16383, var_1_11=-4, var_1_13=127, var_1_14=126, var_1_15=16383, var_1_16=128, var_1_17=500000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=127, var_1_8=64, var_1_9=1] [L92] var_1_18 = __VERIFIER_nondet_float() [L93] CALL assume_abort_if_not((var_1_18 >= -922337.2036854765600e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=16383, var_1_11=-4, var_1_13=127, var_1_14=126, var_1_15=16383, var_1_16=128, var_1_17=500000000463/500, var_1_18=2, var_1_1=128, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=127, var_1_8=64, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=16383, var_1_11=-4, var_1_13=127, var_1_14=126, var_1_15=16383, var_1_16=128, var_1_17=500000000463/500, var_1_18=2, var_1_1=128, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=127, var_1_8=64, var_1_9=1] [L93] RET assume_abort_if_not((var_1_18 >= -922337.2036854765600e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=16383, var_1_11=-4, var_1_13=127, var_1_14=126, var_1_15=16383, var_1_16=128, var_1_17=500000000463/500, var_1_18=2, var_1_1=128, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=127, var_1_8=64, var_1_9=1] [L108] RET updateVariables() [L109] CALL step() [L42] signed long int stepLocal_0 = last_1_var_1_11; VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, stepLocal_0=-4, var_1_10=16383, var_1_11=-4, var_1_13=127, var_1_14=126, var_1_15=16383, var_1_16=128, var_1_17=500000000463/500, var_1_18=2, var_1_1=128, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=127, var_1_8=64, var_1_9=1] [L43] COND TRUE stepLocal_0 != last_1_var_1_8 [L44] var_1_1 = (var_1_4 + ((((((((var_1_5) < (var_1_6)) ? (var_1_5) : (var_1_6)))) > (var_1_7)) ? (((((var_1_5) < (var_1_6)) ? (var_1_5) : (var_1_6)))) : (var_1_7)))) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, stepLocal_0=-4, var_1_10=16383, var_1_11=-4, var_1_13=127, var_1_14=126, var_1_15=16383, var_1_16=128, var_1_17=500000000463/500, var_1_18=2, var_1_1=127, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=127, var_1_8=64, var_1_9=1] [L48] COND TRUE \read(var_1_9) [L49] var_1_8 = ((var_1_10 + 23103) - (32 + var_1_6)) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, stepLocal_0=-4, var_1_10=16383, var_1_11=-4, var_1_13=127, var_1_14=126, var_1_15=16383, var_1_16=128, var_1_17=500000000463/500, var_1_18=2, var_1_1=127, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=127, var_1_8=39454, var_1_9=1] [L51] COND TRUE ! (var_1_5 > var_1_10) [L52] var_1_16 = (32 - 8) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, stepLocal_0=-4, var_1_10=16383, var_1_11=-4, var_1_13=127, var_1_14=126, var_1_15=16383, var_1_16=24, var_1_17=500000000463/500, var_1_18=2, var_1_1=127, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=127, var_1_8=39454, var_1_9=1] [L56] var_1_17 = var_1_18 VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, stepLocal_0=-4, var_1_10=16383, var_1_11=-4, var_1_13=127, var_1_14=126, var_1_15=16383, var_1_16=24, var_1_17=2, var_1_18=2, var_1_1=127, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=127, var_1_8=39454, var_1_9=1] [L57] COND FALSE !(var_1_1 < var_1_16) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, stepLocal_0=-4, var_1_10=16383, var_1_11=-4, var_1_13=127, var_1_14=126, var_1_15=16383, var_1_16=24, var_1_17=2, var_1_18=2, var_1_1=127, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=127, var_1_8=39454, var_1_9=1] [L109] RET step() [L110] CALL, EXPR property() [L100-L101] return (((((last_1_var_1_11 != last_1_var_1_8) ? (var_1_1 == ((unsigned char) (var_1_4 + ((((((((var_1_5) < (var_1_6)) ? (var_1_5) : (var_1_6)))) > (var_1_7)) ? (((((var_1_5) < (var_1_6)) ? (var_1_5) : (var_1_6)))) : (var_1_7)))))) : (var_1_1 == ((unsigned char) var_1_4))) && (var_1_9 ? (var_1_8 == ((unsigned short int) ((var_1_10 + 23103) - (32 + var_1_6)))) : 1)) && ((var_1_1 < var_1_16) ? ((((- 8) / (var_1_13 - var_1_14)) >= var_1_6) ? (var_1_11 == ((signed short int) (var_1_16 - (var_1_15 - var_1_14)))) : 1) : 1)) && ((! (var_1_5 > var_1_10)) ? (var_1_16 == ((signed short int) (32 - 8))) : (var_1_16 == ((signed short int) (var_1_13 - var_1_4))))) && (var_1_17 == ((float) var_1_18)) ; VAL [\result=0, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=16383, var_1_11=-4, var_1_13=127, var_1_14=126, var_1_15=16383, var_1_16=24, var_1_17=2, var_1_18=2, var_1_1=127, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=127, var_1_8=39454, var_1_9=1] [L110] RET, EXPR property() [L110] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=16383, var_1_11=-4, var_1_13=127, var_1_14=126, var_1_15=16383, var_1_16=24, var_1_17=2, var_1_18=2, var_1_1=127, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=127, var_1_8=39454, var_1_9=1] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=16383, var_1_11=-4, var_1_13=127, var_1_14=126, var_1_15=16383, var_1_16=24, var_1_17=2, var_1_18=2, var_1_1=127, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=127, var_1_8=39454, var_1_9=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 55 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.1s, OverallIterations: 2, TraceHistogramMax: 20, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 75 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 75 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 123 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=55occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 372 NumberOfCodeBlocks, 372 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 123 ConstructedInterpolants, 0 QuantifiedInterpolants, 123 SizeOfPredicates, 0 NumberOfNonLiveVariables, 292 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 760/760 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 [2023-11-12 02:08:32,957 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71d82db4-8a66-4cc8-9d44-e5912cd4eab5/bin/uautomizer-verify-uTZkv6EMXl/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_71d82db4-8a66-4cc8-9d44-e5912cd4eab5/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71d82db4-8a66-4cc8-9d44-e5912cd4eab5/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71d82db4-8a66-4cc8-9d44-e5912cd4eab5/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71d82db4-8a66-4cc8-9d44-e5912cd4eab5/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-84.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71d82db4-8a66-4cc8-9d44-e5912cd4eab5/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71d82db4-8a66-4cc8-9d44-e5912cd4eab5/bin/uautomizer-verify-uTZkv6EMXl --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 45c081c18111dd155e78ed85bc578485b2832d478798dee1aff049f2097e33fc --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:08:35,681 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:08:35,832 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71d82db4-8a66-4cc8-9d44-e5912cd4eab5/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-12 02:08:35,843 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:08:35,844 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:08:35,893 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:08:35,895 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:08:35,895 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:08:35,897 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:08:35,902 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:08:35,903 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:08:35,904 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:08:35,905 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:08:35,907 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:08:35,908 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:08:35,908 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 02:08:35,909 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 02:08:35,909 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:08:35,910 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:08:35,911 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:08:35,912 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:08:35,912 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 02:08:35,913 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-12 02:08:35,913 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-12 02:08:35,914 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 02:08:35,914 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:08:35,915 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:08:35,915 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:08:35,916 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:08:35,916 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:08:35,917 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:08:35,918 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:08:35,918 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:08:35,919 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:08:35,919 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-12 02:08:35,919 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 02:08:35,919 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:08:35,919 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:08:35,920 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:08:35,921 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:08:35,921 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-12 02:08:35,921 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:08:35,922 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_71d82db4-8a66-4cc8-9d44-e5912cd4eab5/bin/uautomizer-verify-uTZkv6EMXl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71d82db4-8a66-4cc8-9d44-e5912cd4eab5/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 45c081c18111dd155e78ed85bc578485b2832d478798dee1aff049f2097e33fc [2023-11-12 02:08:36,288 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:08:36,308 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:08:36,311 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:08:36,312 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:08:36,313 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:08:36,314 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71d82db4-8a66-4cc8-9d44-e5912cd4eab5/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-84.i [2023-11-12 02:08:39,528 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:08:39,791 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:08:39,791 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71d82db4-8a66-4cc8-9d44-e5912cd4eab5/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-84.i [2023-11-12 02:08:39,801 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71d82db4-8a66-4cc8-9d44-e5912cd4eab5/bin/uautomizer-verify-uTZkv6EMXl/data/0e5c66dd9/0976d0a990d948909576dbb71c4f10b4/FLAG3918348a8 [2023-11-12 02:08:39,817 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71d82db4-8a66-4cc8-9d44-e5912cd4eab5/bin/uautomizer-verify-uTZkv6EMXl/data/0e5c66dd9/0976d0a990d948909576dbb71c4f10b4 [2023-11-12 02:08:39,820 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:08:39,822 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:08:39,823 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:08:39,824 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:08:39,829 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:08:39,830 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:08:39" (1/1) ... [2023-11-12 02:08:39,831 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1937fc82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:08:39, skipping insertion in model container [2023-11-12 02:08:39,832 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:08:39" (1/1) ... [2023-11-12 02:08:39,873 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:08:40,075 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_71d82db4-8a66-4cc8-9d44-e5912cd4eab5/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-84.i[917,930] [2023-11-12 02:08:40,151 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:08:40,178 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:08:40,197 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_71d82db4-8a66-4cc8-9d44-e5912cd4eab5/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-84.i[917,930] [2023-11-12 02:08:40,243 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:08:40,266 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:08:40,266 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:08:40 WrapperNode [2023-11-12 02:08:40,266 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:08:40,268 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:08:40,268 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:08:40,268 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:08:40,277 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:08:40" (1/1) ... [2023-11-12 02:08:40,303 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:08:40" (1/1) ... [2023-11-12 02:08:40,348 INFO L138 Inliner]: procedures = 27, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 116 [2023-11-12 02:08:40,349 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:08:40,350 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:08:40,350 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:08:40,350 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:08:40,359 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:08:40" (1/1) ... [2023-11-12 02:08:40,360 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:08:40" (1/1) ... [2023-11-12 02:08:40,364 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:08:40" (1/1) ... [2023-11-12 02:08:40,364 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:08:40" (1/1) ... [2023-11-12 02:08:40,386 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:08:40" (1/1) ... [2023-11-12 02:08:40,400 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:08:40" (1/1) ... [2023-11-12 02:08:40,403 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:08:40" (1/1) ... [2023-11-12 02:08:40,405 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:08:40" (1/1) ... [2023-11-12 02:08:40,409 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:08:40,420 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:08:40,421 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:08:40,421 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:08:40,422 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:08:40" (1/1) ... [2023-11-12 02:08:40,429 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:08:40,441 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71d82db4-8a66-4cc8-9d44-e5912cd4eab5/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:08:40,458 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71d82db4-8a66-4cc8-9d44-e5912cd4eab5/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 02:08:40,469 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71d82db4-8a66-4cc8-9d44-e5912cd4eab5/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 02:08:40,499 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:08:40,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-12 02:08:40,500 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 02:08:40,500 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 02:08:40,500 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:08:40,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:08:40,594 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:08:40,596 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:08:41,022 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:08:41,029 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:08:41,029 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 02:08:41,032 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:08:41 BoogieIcfgContainer [2023-11-12 02:08:41,032 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:08:41,035 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 02:08:41,035 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 02:08:41,039 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 02:08:41,039 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:08:39" (1/3) ... [2023-11-12 02:08:41,040 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45d99d54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:08:41, skipping insertion in model container [2023-11-12 02:08:41,040 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:08:40" (2/3) ... [2023-11-12 02:08:41,041 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45d99d54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:08:41, skipping insertion in model container [2023-11-12 02:08:41,041 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:08:41" (3/3) ... [2023-11-12 02:08:41,042 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-84.i [2023-11-12 02:08:41,063 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 02:08:41,063 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 02:08:41,112 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 02:08:41,119 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2b5752e3, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-12 02:08:41,120 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 02:08:41,124 INFO L276 IsEmpty]: Start isEmpty. Operand has 55 states, 32 states have (on average 1.3125) internal successors, (42), 33 states have internal predecessors, (42), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-12 02:08:41,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-11-12 02:08:41,140 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:08:41,141 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:08:41,141 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:08:41,147 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:08:41,147 INFO L85 PathProgramCache]: Analyzing trace with hash 1711375037, now seen corresponding path program 1 times [2023-11-12 02:08:41,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-12 02:08:41,167 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1704464812] [2023-11-12 02:08:41,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:08:41,168 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 [2023-11-12 02:08:41,168 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71d82db4-8a66-4cc8-9d44-e5912cd4eab5/bin/uautomizer-verify-uTZkv6EMXl/mathsat [2023-11-12 02:08:41,217 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71d82db4-8a66-4cc8-9d44-e5912cd4eab5/bin/uautomizer-verify-uTZkv6EMXl/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) [2023-11-12 02:08:41,218 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71d82db4-8a66-4cc8-9d44-e5912cd4eab5/bin/uautomizer-verify-uTZkv6EMXl/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 [2023-11-12 02:08:41,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:08:41,531 INFO L262 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-12 02:08:41,543 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:08:41,593 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 398 proven. 0 refuted. 0 times theorem prover too weak. 362 trivial. 0 not checked. [2023-11-12 02:08:41,596 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:08:41,597 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-12 02:08:41,597 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1704464812] [2023-11-12 02:08:41,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1704464812] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:08:41,598 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:08:41,598 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 02:08:41,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1891250074] [2023-11-12 02:08:41,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:08:41,607 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-12 02:08:41,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-12 02:08:41,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-12 02:08:41,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 02:08:41,657 INFO L87 Difference]: Start difference. First operand has 55 states, 32 states have (on average 1.3125) internal successors, (42), 33 states have internal predecessors, (42), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-11-12 02:08:41,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:08:41,692 INFO L93 Difference]: Finished difference Result 103 states and 178 transitions. [2023-11-12 02:08:41,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-12 02:08:41,694 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 124 [2023-11-12 02:08:41,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:08:41,703 INFO L225 Difference]: With dead ends: 103 [2023-11-12 02:08:41,704 INFO L226 Difference]: Without dead ends: 51 [2023-11-12 02:08:41,708 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 02:08:41,712 INFO L413 NwaCegarLoop]: 75 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, 75 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 [2023-11-12 02:08:41,713 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 02:08:41,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2023-11-12 02:08:41,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2023-11-12 02:08:41,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 29 states have (on average 1.206896551724138) internal successors, (35), 29 states have internal predecessors, (35), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-12 02:08:41,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 75 transitions. [2023-11-12 02:08:41,763 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 75 transitions. Word has length 124 [2023-11-12 02:08:41,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:08:41,764 INFO L495 AbstractCegarLoop]: Abstraction has 51 states and 75 transitions. [2023-11-12 02:08:41,764 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-11-12 02:08:41,764 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 75 transitions. [2023-11-12 02:08:41,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-11-12 02:08:41,768 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:08:41,769 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:08:41,791 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71d82db4-8a66-4cc8-9d44-e5912cd4eab5/bin/uautomizer-verify-uTZkv6EMXl/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 [2023-11-12 02:08:41,984 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71d82db4-8a66-4cc8-9d44-e5912cd4eab5/bin/uautomizer-verify-uTZkv6EMXl/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 [2023-11-12 02:08:41,985 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:08:41,986 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:08:41,986 INFO L85 PathProgramCache]: Analyzing trace with hash 694659133, now seen corresponding path program 1 times [2023-11-12 02:08:41,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-12 02:08:41,987 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1225030183] [2023-11-12 02:08:41,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:08:41,988 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 [2023-11-12 02:08:41,989 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71d82db4-8a66-4cc8-9d44-e5912cd4eab5/bin/uautomizer-verify-uTZkv6EMXl/mathsat [2023-11-12 02:08:41,990 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71d82db4-8a66-4cc8-9d44-e5912cd4eab5/bin/uautomizer-verify-uTZkv6EMXl/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) [2023-11-12 02:08:41,993 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71d82db4-8a66-4cc8-9d44-e5912cd4eab5/bin/uautomizer-verify-uTZkv6EMXl/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 [2023-11-12 02:08:42,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:08:42,258 INFO L262 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-12 02:08:42,283 INFO L285 TraceCheckSpWp]: Computing forward predicates...