./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-49.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a83044-4de0-42e4-9455-06d371c9dd78/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a83044-4de0-42e4-9455-06d371c9dd78/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a83044-4de0-42e4-9455-06d371c9dd78/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a83044-4de0-42e4-9455-06d371c9dd78/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-49.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a83044-4de0-42e4-9455-06d371c9dd78/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a83044-4de0-42e4-9455-06d371c9dd78/bin/uautomizer-verify-84ZbGMXZE1 --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 fbb94f92326360d1b49e2127744a54ce104befba5614aa9d887afe6ba1b1edd0 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 10:49:40,854 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 10:49:40,910 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a83044-4de0-42e4-9455-06d371c9dd78/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-12-02 10:49:40,915 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 10:49:40,915 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 10:49:40,937 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 10:49:40,938 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 10:49:40,938 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 10:49:40,938 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 10:49:40,938 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 10:49:40,938 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 10:49:40,939 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 10:49:40,939 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 10:49:40,939 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 10:49:40,939 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 10:49:40,939 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 10:49:40,939 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 10:49:40,939 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 10:49:40,940 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 10:49:40,940 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 10:49:40,940 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 10:49:40,940 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 10:49:40,940 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 10:49:40,940 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 10:49:40,940 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 10:49:40,940 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 10:49:40,940 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 10:49:40,940 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 10:49:40,940 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 10:49:40,940 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 10:49:40,940 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 10:49:40,941 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 10:49:40,941 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 10:49:40,941 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 10:49:40,941 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 10:49:40,941 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 10:49:40,941 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 10:49:40,941 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 10:49:40,941 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 10:49:40,941 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 10:49:40,941 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 10:49:40,941 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 10:49:40,942 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 10:49:40,942 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 10:49:40,942 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 10:49:40,942 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 10:49:40,942 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 10:49:40,942 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 10:49:40,942 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_77a83044-4de0-42e4-9455-06d371c9dd78/bin/uautomizer-verify-84ZbGMXZE1 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 -> fbb94f92326360d1b49e2127744a54ce104befba5614aa9d887afe6ba1b1edd0 [2024-12-02 10:49:41,176 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 10:49:41,184 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 10:49:41,186 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 10:49:41,187 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 10:49:41,188 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 10:49:41,189 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a83044-4de0-42e4-9455-06d371c9dd78/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-49.i [2024-12-02 10:49:43,838 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a83044-4de0-42e4-9455-06d371c9dd78/bin/uautomizer-verify-84ZbGMXZE1/data/1082791f5/df5f33a760fd43ab910f69bab34b86ac/FLAG009403d5a [2024-12-02 10:49:44,049 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 10:49:44,049 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a83044-4de0-42e4-9455-06d371c9dd78/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-49.i [2024-12-02 10:49:44,055 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a83044-4de0-42e4-9455-06d371c9dd78/bin/uautomizer-verify-84ZbGMXZE1/data/1082791f5/df5f33a760fd43ab910f69bab34b86ac/FLAG009403d5a [2024-12-02 10:49:44,416 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a83044-4de0-42e4-9455-06d371c9dd78/bin/uautomizer-verify-84ZbGMXZE1/data/1082791f5/df5f33a760fd43ab910f69bab34b86ac [2024-12-02 10:49:44,418 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 10:49:44,419 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 10:49:44,421 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 10:49:44,421 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 10:49:44,425 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 10:49:44,426 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:49:44" (1/1) ... [2024-12-02 10:49:44,427 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b8aec23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:49:44, skipping insertion in model container [2024-12-02 10:49:44,427 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:49:44" (1/1) ... [2024-12-02 10:49:44,442 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 10:49:44,564 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a83044-4de0-42e4-9455-06d371c9dd78/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-49.i[916,929] [2024-12-02 10:49:44,618 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 10:49:44,629 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 10:49:44,638 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a83044-4de0-42e4-9455-06d371c9dd78/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-49.i[916,929] [2024-12-02 10:49:44,663 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 10:49:44,676 INFO L204 MainTranslator]: Completed translation [2024-12-02 10:49:44,676 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:49:44 WrapperNode [2024-12-02 10:49:44,677 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 10:49:44,677 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 10:49:44,677 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 10:49:44,677 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 10:49:44,682 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:49:44" (1/1) ... [2024-12-02 10:49:44,689 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:49:44" (1/1) ... [2024-12-02 10:49:44,723 INFO L138 Inliner]: procedures = 26, calls = 29, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 122 [2024-12-02 10:49:44,723 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 10:49:44,723 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 10:49:44,723 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 10:49:44,724 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 10:49:44,730 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:49:44" (1/1) ... [2024-12-02 10:49:44,730 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:49:44" (1/1) ... [2024-12-02 10:49:44,733 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:49:44" (1/1) ... [2024-12-02 10:49:44,751 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-12-02 10:49:44,751 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:49:44" (1/1) ... [2024-12-02 10:49:44,751 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:49:44" (1/1) ... [2024-12-02 10:49:44,760 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:49:44" (1/1) ... [2024-12-02 10:49:44,762 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:49:44" (1/1) ... [2024-12-02 10:49:44,765 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:49:44" (1/1) ... [2024-12-02 10:49:44,767 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:49:44" (1/1) ... [2024-12-02 10:49:44,769 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:49:44" (1/1) ... [2024-12-02 10:49:44,773 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 10:49:44,774 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 10:49:44,774 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 10:49:44,774 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 10:49:44,775 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:49:44" (1/1) ... [2024-12-02 10:49:44,779 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 10:49:44,787 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a83044-4de0-42e4-9455-06d371c9dd78/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:49:44,797 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a83044-4de0-42e4-9455-06d371c9dd78/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 10:49:44,800 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a83044-4de0-42e4-9455-06d371c9dd78/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 10:49:44,817 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 10:49:44,817 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 10:49:44,817 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 10:49:44,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 10:49:44,817 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 10:49:44,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 10:49:44,868 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 10:49:44,870 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 10:49:45,092 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-12-02 10:49:45,092 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 10:49:45,101 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 10:49:45,101 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 10:49:45,102 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:49:45 BoogieIcfgContainer [2024-12-02 10:49:45,102 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 10:49:45,104 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 10:49:45,104 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 10:49:45,108 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 10:49:45,109 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 10:49:44" (1/3) ... [2024-12-02 10:49:45,109 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79c71a9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 10:49:45, skipping insertion in model container [2024-12-02 10:49:45,109 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:49:44" (2/3) ... [2024-12-02 10:49:45,110 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79c71a9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 10:49:45, skipping insertion in model container [2024-12-02 10:49:45,110 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:49:45" (3/3) ... [2024-12-02 10:49:45,111 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-49.i [2024-12-02 10:49:45,125 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 10:49:45,126 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_floatingpointinfluence_no-floats_file-49.i that has 2 procedures, 56 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 10:49:45,172 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 10:49:45,182 INFO L333 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, 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;@4ef7ca1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 10:49:45,182 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 10:49:45,186 INFO L276 IsEmpty]: Start isEmpty. Operand has 56 states, 37 states have (on average 1.3783783783783783) internal successors, (51), 38 states have internal predecessors, (51), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-12-02 10:49:45,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-12-02 10:49:45,194 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:49:45,195 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:49:45,195 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:49:45,199 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:49:45,199 INFO L85 PathProgramCache]: Analyzing trace with hash -48885671, now seen corresponding path program 1 times [2024-12-02 10:49:45,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:49:45,205 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [329485122] [2024-12-02 10:49:45,205 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:49:45,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:49:45,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:49:45,422 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 450 trivial. 0 not checked. [2024-12-02 10:49:45,422 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:49:45,422 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [329485122] [2024-12-02 10:49:45,423 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [329485122] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 10:49:45,423 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [611246556] [2024-12-02 10:49:45,423 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:49:45,423 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 10:49:45,423 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a83044-4de0-42e4-9455-06d371c9dd78/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:49:45,426 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a83044-4de0-42e4-9455-06d371c9dd78/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 10:49:45,429 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a83044-4de0-42e4-9455-06d371c9dd78/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 10:49:45,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:49:45,533 INFO L256 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 10:49:45,539 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 10:49:45,560 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 450 trivial. 0 not checked. [2024-12-02 10:49:45,560 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 10:49:45,560 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [611246556] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:49:45,560 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 10:49:45,561 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-12-02 10:49:45,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [794658630] [2024-12-02 10:49:45,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:49:45,565 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 10:49:45,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:49:45,579 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 10:49:45,580 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 10:49:45,582 INFO L87 Difference]: Start difference. First operand has 56 states, 37 states have (on average 1.3783783783783783) internal successors, (51), 38 states have internal predecessors, (51), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) [2024-12-02 10:49:45,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:49:45,605 INFO L93 Difference]: Finished difference Result 105 states and 176 transitions. [2024-12-02 10:49:45,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 10:49:45,607 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) Word has length 103 [2024-12-02 10:49:45,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:49:45,613 INFO L225 Difference]: With dead ends: 105 [2024-12-02 10:49:45,613 INFO L226 Difference]: Without dead ends: 52 [2024-12-02 10:49:45,616 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 10:49:45,619 INFO L435 NwaCegarLoop]: 76 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, 76 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 [2024-12-02 10:49:45,620 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 10:49:45,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2024-12-02 10:49:45,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2024-12-02 10:49:45,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 34 states have (on average 1.2941176470588236) internal successors, (44), 34 states have internal predecessors, (44), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-12-02 10:49:45,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 76 transitions. [2024-12-02 10:49:45,655 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 76 transitions. Word has length 103 [2024-12-02 10:49:45,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:49:45,655 INFO L471 AbstractCegarLoop]: Abstraction has 52 states and 76 transitions. [2024-12-02 10:49:45,655 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) [2024-12-02 10:49:45,655 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 76 transitions. [2024-12-02 10:49:45,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-12-02 10:49:45,658 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:49:45,658 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:49:45,664 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a83044-4de0-42e4-9455-06d371c9dd78/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 10:49:45,858 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a83044-4de0-42e4-9455-06d371c9dd78/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 10:49:45,859 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:49:45,859 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:49:45,859 INFO L85 PathProgramCache]: Analyzing trace with hash 1071329369, now seen corresponding path program 1 times [2024-12-02 10:49:45,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:49:45,859 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1026034918] [2024-12-02 10:49:45,859 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:49:45,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:49:45,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:49:46,190 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2024-12-02 10:49:46,191 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:49:46,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1026034918] [2024-12-02 10:49:46,191 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1026034918] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:49:46,191 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:49:46,191 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 10:49:46,191 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42808631] [2024-12-02 10:49:46,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:49:46,192 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 10:49:46,192 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:49:46,193 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 10:49:46,193 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 10:49:46,193 INFO L87 Difference]: Start difference. First operand 52 states and 76 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 1 states have call successors, (16), 1 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 1 states have call successors, (16) [2024-12-02 10:49:46,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:49:46,389 INFO L93 Difference]: Finished difference Result 109 states and 156 transitions. [2024-12-02 10:49:46,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-02 10:49:46,390 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 1 states have call successors, (16), 1 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 1 states have call successors, (16) Word has length 103 [2024-12-02 10:49:46,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:49:46,391 INFO L225 Difference]: With dead ends: 109 [2024-12-02 10:49:46,391 INFO L226 Difference]: Without dead ends: 60 [2024-12-02 10:49:46,392 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-12-02 10:49:46,392 INFO L435 NwaCegarLoop]: 54 mSDtfsCounter, 54 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 129 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 10:49:46,393 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 129 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 10:49:46,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2024-12-02 10:49:46,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 56. [2024-12-02 10:49:46,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 37 states have (on average 1.2432432432432432) internal successors, (46), 37 states have internal predecessors, (46), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-12-02 10:49:46,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 78 transitions. [2024-12-02 10:49:46,403 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 78 transitions. Word has length 103 [2024-12-02 10:49:46,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:49:46,404 INFO L471 AbstractCegarLoop]: Abstraction has 56 states and 78 transitions. [2024-12-02 10:49:46,404 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 1 states have call successors, (16), 1 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 1 states have call successors, (16) [2024-12-02 10:49:46,404 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 78 transitions. [2024-12-02 10:49:46,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-12-02 10:49:46,405 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:49:46,406 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:49:46,406 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 10:49:46,406 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:49:46,406 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:49:46,407 INFO L85 PathProgramCache]: Analyzing trace with hash -1410011608, now seen corresponding path program 1 times [2024-12-02 10:49:46,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:49:46,407 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [85195834] [2024-12-02 10:49:46,407 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:49:46,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:49:46,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 10:49:46,467 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 10:49:46,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 10:49:46,539 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-12-02 10:49:46,539 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-12-02 10:49:46,540 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 10:49:46,541 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 10:49:46,544 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-12-02 10:49:46,589 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 10:49:46,592 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 10:49:46 BoogieIcfgContainer [2024-12-02 10:49:46,593 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 10:49:46,593 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 10:49:46,593 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 10:49:46,593 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 10:49:46,594 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:49:45" (3/4) ... [2024-12-02 10:49:46,596 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-02 10:49:46,597 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 10:49:46,598 INFO L158 Benchmark]: Toolchain (without parser) took 2178.43ms. Allocated memory is still 142.6MB. Free memory was 117.0MB in the beginning and 86.1MB in the end (delta: 31.0MB). Peak memory consumption was 30.9MB. Max. memory is 16.1GB. [2024-12-02 10:49:46,598 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 142.6MB. Free memory is still 82.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 10:49:46,598 INFO L158 Benchmark]: CACSL2BoogieTranslator took 256.23ms. Allocated memory is still 142.6MB. Free memory was 117.0MB in the beginning and 103.4MB in the end (delta: 13.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 10:49:46,598 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.64ms. Allocated memory is still 142.6MB. Free memory was 103.4MB in the beginning and 99.6MB in the end (delta: 3.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 10:49:46,599 INFO L158 Benchmark]: Boogie Preprocessor took 49.54ms. Allocated memory is still 142.6MB. Free memory was 99.6MB in the beginning and 92.4MB in the end (delta: 7.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 10:49:46,599 INFO L158 Benchmark]: RCFGBuilder took 328.42ms. Allocated memory is still 142.6MB. Free memory was 92.2MB in the beginning and 72.4MB in the end (delta: 19.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 10:49:46,599 INFO L158 Benchmark]: TraceAbstraction took 1488.50ms. Allocated memory is still 142.6MB. Free memory was 71.9MB in the beginning and 86.1MB in the end (delta: -14.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 10:49:46,599 INFO L158 Benchmark]: Witness Printer took 3.81ms. Allocated memory is still 142.6MB. Free memory was 86.1MB in the beginning and 86.1MB in the end (delta: 15.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 10:49:46,601 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 142.6MB. Free memory is still 82.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 256.23ms. Allocated memory is still 142.6MB. Free memory was 117.0MB in the beginning and 103.4MB in the end (delta: 13.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.64ms. Allocated memory is still 142.6MB. Free memory was 103.4MB in the beginning and 99.6MB in the end (delta: 3.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 49.54ms. Allocated memory is still 142.6MB. Free memory was 99.6MB in the beginning and 92.4MB in the end (delta: 7.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 328.42ms. Allocated memory is still 142.6MB. Free memory was 92.2MB in the beginning and 72.4MB in the end (delta: 19.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1488.50ms. Allocated memory is still 142.6MB. Free memory was 71.9MB in the beginning and 86.1MB in the end (delta: -14.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.81ms. Allocated memory is still 142.6MB. Free memory was 86.1MB in the beginning and 86.1MB in the end (delta: 15.8kB). 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 93, overapproximation of someBinaryFLOATComparisonOperation at line 50. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned short int var_1_1 = 4; [L23] signed long int var_1_2 = 1000000000; [L24] signed long int var_1_3 = 1000; [L25] unsigned short int var_1_4 = 256; [L26] unsigned short int var_1_5 = 4; [L27] unsigned short int var_1_6 = 10; [L28] signed short int var_1_8 = 128; [L29] signed short int var_1_9 = -2; [L30] unsigned char var_1_10 = 0; [L31] unsigned char var_1_11 = 0; [L32] unsigned char var_1_12 = 0; [L33] unsigned char var_1_13 = 1; VAL [isInitial=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=1, var_1_1=4, var_1_2=1000000000, var_1_3=1000, var_1_4=256, var_1_5=4, var_1_6=10, var_1_8=128, var_1_9=-2] [L97] isInitial = 1 [L98] FCALL initially() [L100] FCALL updateLastVariables() [L101] CALL updateVariables() [L65] var_1_2 = __VERIFIER_nondet_long() [L66] CALL assume_abort_if_not(var_1_2 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=1, var_1_1=4, var_1_2=0, var_1_3=1000, var_1_4=256, var_1_5=4, var_1_6=10, var_1_8=128, var_1_9=-2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=1, var_1_1=4, var_1_2=0, var_1_3=1000, var_1_4=256, var_1_5=4, var_1_6=10, var_1_8=128, var_1_9=-2] [L66] RET assume_abort_if_not(var_1_2 >= -2147483648) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=1, var_1_1=4, var_1_2=0, var_1_3=1000, var_1_4=256, var_1_5=4, var_1_6=10, var_1_8=128, var_1_9=-2] [L67] CALL assume_abort_if_not(var_1_2 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=1, var_1_1=4, var_1_2=0, var_1_3=1000, var_1_4=256, var_1_5=4, var_1_6=10, var_1_8=128, var_1_9=-2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=1, var_1_1=4, var_1_2=0, var_1_3=1000, var_1_4=256, var_1_5=4, var_1_6=10, var_1_8=128, var_1_9=-2] [L67] RET assume_abort_if_not(var_1_2 <= 2147483647) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=1, var_1_1=4, var_1_2=0, var_1_3=1000, var_1_4=256, var_1_5=4, var_1_6=10, var_1_8=128, var_1_9=-2] [L68] var_1_3 = __VERIFIER_nondet_long() [L69] CALL assume_abort_if_not(var_1_3 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=1, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=256, var_1_5=4, var_1_6=10, var_1_8=128, var_1_9=-2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=1, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=256, var_1_5=4, var_1_6=10, var_1_8=128, var_1_9=-2] [L69] RET assume_abort_if_not(var_1_3 >= -2147483648) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=1, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=256, var_1_5=4, var_1_6=10, var_1_8=128, var_1_9=-2] [L70] CALL assume_abort_if_not(var_1_3 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=1, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=256, var_1_5=4, var_1_6=10, var_1_8=128, var_1_9=-2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=1, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=256, var_1_5=4, var_1_6=10, var_1_8=128, var_1_9=-2] [L70] RET assume_abort_if_not(var_1_3 <= 2147483647) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=1, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=256, var_1_5=4, var_1_6=10, var_1_8=128, var_1_9=-2] [L71] var_1_4 = __VERIFIER_nondet_ushort() [L72] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=1, var_1_1=4, var_1_2=0, var_1_3=0, var_1_5=4, var_1_6=10, var_1_8=128, var_1_9=-2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=1, var_1_1=4, var_1_2=0, var_1_3=0, var_1_5=4, var_1_6=10, var_1_8=128, var_1_9=-2] [L72] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=1, var_1_1=4, var_1_2=0, var_1_3=0, var_1_5=4, var_1_6=10, var_1_8=128, var_1_9=-2] [L73] CALL assume_abort_if_not(var_1_4 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=1, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=4, var_1_6=10, var_1_8=128, var_1_9=-2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=1, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=4, var_1_6=10, var_1_8=128, var_1_9=-2] [L73] RET assume_abort_if_not(var_1_4 <= 65534) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=1, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=4, var_1_6=10, var_1_8=128, var_1_9=-2] [L74] var_1_5 = __VERIFIER_nondet_ushort() [L75] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=1, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=0, var_1_6=10, var_1_8=128, var_1_9=-2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=1, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=0, var_1_6=10, var_1_8=128, var_1_9=-2] [L75] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=1, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=0, var_1_6=10, var_1_8=128, var_1_9=-2] [L76] CALL assume_abort_if_not(var_1_5 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=1, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=10, var_1_8=128, var_1_9=-2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=1, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=10, var_1_8=128, var_1_9=-2] [L76] RET assume_abort_if_not(var_1_5 <= 65534) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=1, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=10, var_1_8=128, var_1_9=-2] [L77] var_1_6 = __VERIFIER_nondet_ushort() [L78] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=1, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=0, var_1_8=128, var_1_9=-2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=1, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=0, var_1_8=128, var_1_9=-2] [L78] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=1, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=0, var_1_8=128, var_1_9=-2] [L79] CALL assume_abort_if_not(var_1_6 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=1, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=0, var_1_8=128, var_1_9=-2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=1, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=0, var_1_8=128, var_1_9=-2] [L79] RET assume_abort_if_not(var_1_6 <= 65534) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=1, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=0, var_1_8=128, var_1_9=-2] [L80] var_1_9 = __VERIFIER_nondet_short() [L81] CALL assume_abort_if_not(var_1_9 >= -32766) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=1, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=0, var_1_8=128, var_1_9=32766] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=1, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=0, var_1_8=128, var_1_9=32766] [L81] RET assume_abort_if_not(var_1_9 >= -32766) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=1, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=0, var_1_8=128, var_1_9=32766] [L82] CALL assume_abort_if_not(var_1_9 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=1, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=0, var_1_8=128, var_1_9=32766] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=1, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=0, var_1_8=128, var_1_9=32766] [L82] RET assume_abort_if_not(var_1_9 <= 32766) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=1, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=0, var_1_8=128, var_1_9=32766] [L83] var_1_11 = __VERIFIER_nondet_uchar() [L84] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_12=0, var_1_13=1, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=0, var_1_8=128, var_1_9=32766] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_12=0, var_1_13=1, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=0, var_1_8=128, var_1_9=32766] [L84] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, var_1_10=0, var_1_12=0, var_1_13=1, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=0, var_1_8=128, var_1_9=32766] [L85] CALL assume_abort_if_not(var_1_11 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=1, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=0, var_1_8=128, var_1_9=32766] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=1, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=0, var_1_8=128, var_1_9=32766] [L85] RET assume_abort_if_not(var_1_11 <= 0) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=1, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=0, var_1_8=128, var_1_9=32766] [L86] var_1_12 = __VERIFIER_nondet_uchar() [L87] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_13=1, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=0, var_1_8=128, var_1_9=32766] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_13=1, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=0, var_1_8=128, var_1_9=32766] [L87] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_13=1, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=0, var_1_8=128, var_1_9=32766] [L88] CALL assume_abort_if_not(var_1_12 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=1, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=0, var_1_8=128, var_1_9=32766] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=1, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=0, var_1_8=128, var_1_9=32766] [L88] RET assume_abort_if_not(var_1_12 <= 0) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=1, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=0, var_1_8=128, var_1_9=32766] [L101] RET updateVariables() [L102] CALL step() [L37] var_1_8 = ((((var_1_9) < 0 ) ? -(var_1_9) : (var_1_9))) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=1, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=0, var_1_8=32766, var_1_9=32766] [L38] EXPR 50 >> var_1_4 VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=1, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=0, var_1_8=32766, var_1_9=32766] [L38] COND TRUE (50 >> var_1_4) <= var_1_8 [L39] var_1_10 = ((! (! var_1_11)) || var_1_12) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=1, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=0, var_1_8=32766, var_1_9=32766] [L43] COND TRUE ! var_1_12 VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=1, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=0, var_1_8=32766, var_1_9=32766] [L44] COND TRUE var_1_4 >= ((((var_1_6) < (var_1_8)) ? (var_1_6) : (var_1_8))) [L45] var_1_13 = (var_1_10 && var_1_11) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=0, var_1_8=32766, var_1_9=32766] [L50] COND FALSE !(var_1_2 >= 64.5f) [L61] var_1_1 = 50 VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_1=50, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=0, var_1_8=32766, var_1_9=32766] [L102] RET step() [L103] CALL, EXPR property() [L93] EXPR (((var_1_2 >= 64.5f) ? ((var_1_2 >= var_1_3) ? (var_1_1 == ((unsigned short int) (((((((var_1_4) > (((((var_1_5) > (var_1_6)) ? (var_1_5) : (var_1_6))))) ? (var_1_4) : (((((var_1_5) > (var_1_6)) ? (var_1_5) : (var_1_6)))))) < 0 ) ? -((((var_1_4) > (((((var_1_5) > (var_1_6)) ? (var_1_5) : (var_1_6))))) ? (var_1_4) : (((((var_1_5) > (var_1_6)) ? (var_1_5) : (var_1_6)))))) : ((((var_1_4) > (((((var_1_5) > (var_1_6)) ? (var_1_5) : (var_1_6))))) ? (var_1_4) : (((((var_1_5) > (var_1_6)) ? (var_1_5) : (var_1_6)))))))))) : (var_1_13 ? (var_1_1 == ((unsigned short int) var_1_5)) : (var_1_1 == ((unsigned short int) var_1_6)))) : (var_1_1 == ((unsigned short int) 50))) && (var_1_8 == ((signed short int) ((((var_1_9) < 0 ) ? -(var_1_9) : (var_1_9)))))) && (((50 >> var_1_4) <= var_1_8) ? (var_1_10 == ((unsigned char) ((! (! var_1_11)) || var_1_12))) : (var_1_10 == ((unsigned char) (! var_1_11)))) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_1=50, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=0, var_1_8=32766, var_1_9=32766] [L93-L94] return ((((var_1_2 >= 64.5f) ? ((var_1_2 >= var_1_3) ? (var_1_1 == ((unsigned short int) (((((((var_1_4) > (((((var_1_5) > (var_1_6)) ? (var_1_5) : (var_1_6))))) ? (var_1_4) : (((((var_1_5) > (var_1_6)) ? (var_1_5) : (var_1_6)))))) < 0 ) ? -((((var_1_4) > (((((var_1_5) > (var_1_6)) ? (var_1_5) : (var_1_6))))) ? (var_1_4) : (((((var_1_5) > (var_1_6)) ? (var_1_5) : (var_1_6)))))) : ((((var_1_4) > (((((var_1_5) > (var_1_6)) ? (var_1_5) : (var_1_6))))) ? (var_1_4) : (((((var_1_5) > (var_1_6)) ? (var_1_5) : (var_1_6)))))))))) : (var_1_13 ? (var_1_1 == ((unsigned short int) var_1_5)) : (var_1_1 == ((unsigned short int) var_1_6)))) : (var_1_1 == ((unsigned short int) 50))) && (var_1_8 == ((signed short int) ((((var_1_9) < 0 ) ? -(var_1_9) : (var_1_9)))))) && (((50 >> var_1_4) <= var_1_8) ? (var_1_10 == ((unsigned char) ((! (! var_1_11)) || var_1_12))) : (var_1_10 == ((unsigned char) (! var_1_11))))) && ((! var_1_12) ? ((var_1_4 >= ((((var_1_6) < (var_1_8)) ? (var_1_6) : (var_1_8)))) ? (var_1_13 == ((unsigned char) (var_1_10 && var_1_11))) : (var_1_13 == ((unsigned char) var_1_11))) : 1) ; [L103] RET, EXPR property() [L103] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_1=50, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=0, var_1_8=32766, var_1_9=32766] [L19] reach_error() VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_1=50, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=0, var_1_8=32766, var_1_9=32766] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 56 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 3, TraceHistogramMax: 16, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 68 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 54 mSDsluCounter, 205 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 75 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 98 IncrementalHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 130 mSDtfsCounter, 98 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 113 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=56occurred in iteration=0, InterpolantAutomatonStates: 11, 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, 2 MinimizatonAttempts, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 413 NumberOfCodeBlocks, 413 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 306 ConstructedInterpolants, 0 QuantifiedInterpolants, 330 SizeOfPredicates, 0 NumberOfNonLiveVariables, 234 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 3 InterpolantComputations, 2 PerfectInterpolantSequences, 1410/1440 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, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-02 10:49:46,616 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a83044-4de0-42e4-9455-06d371c9dd78/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a83044-4de0-42e4-9455-06d371c9dd78/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a83044-4de0-42e4-9455-06d371c9dd78/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a83044-4de0-42e4-9455-06d371c9dd78/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a83044-4de0-42e4-9455-06d371c9dd78/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-49.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a83044-4de0-42e4-9455-06d371c9dd78/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a83044-4de0-42e4-9455-06d371c9dd78/bin/uautomizer-verify-84ZbGMXZE1 --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 fbb94f92326360d1b49e2127744a54ce104befba5614aa9d887afe6ba1b1edd0 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 10:49:48,571 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 10:49:48,650 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a83044-4de0-42e4-9455-06d371c9dd78/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-12-02 10:49:48,656 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 10:49:48,656 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 10:49:48,677 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 10:49:48,677 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 10:49:48,678 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 10:49:48,678 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 10:49:48,678 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 10:49:48,678 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 10:49:48,678 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 10:49:48,679 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 10:49:48,679 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 10:49:48,679 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 10:49:48,679 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 10:49:48,679 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 10:49:48,679 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 10:49:48,679 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 10:49:48,679 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 10:49:48,679 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 10:49:48,679 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 10:49:48,679 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 10:49:48,680 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-02 10:49:48,680 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-02 10:49:48,680 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-02 10:49:48,680 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 10:49:48,680 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 10:49:48,680 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 10:49:48,680 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 10:49:48,680 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 10:49:48,680 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 10:49:48,680 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 10:49:48,680 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 10:49:48,681 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 10:49:48,681 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 10:49:48,681 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 10:49:48,681 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 10:49:48,681 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 10:49:48,681 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 10:49:48,681 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 10:49:48,681 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 10:49:48,681 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 10:49:48,682 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 10:49:48,682 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-12-02 10:49:48,682 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-02 10:49:48,682 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 10:49:48,682 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 10:49:48,682 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 10:49:48,682 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 10:49:48,682 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_77a83044-4de0-42e4-9455-06d371c9dd78/bin/uautomizer-verify-84ZbGMXZE1 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 -> fbb94f92326360d1b49e2127744a54ce104befba5614aa9d887afe6ba1b1edd0 [2024-12-02 10:49:48,905 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 10:49:48,911 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 10:49:48,913 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 10:49:48,914 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 10:49:48,914 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 10:49:48,916 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a83044-4de0-42e4-9455-06d371c9dd78/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-49.i [2024-12-02 10:49:51,626 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a83044-4de0-42e4-9455-06d371c9dd78/bin/uautomizer-verify-84ZbGMXZE1/data/fb8aea091/90bf3c52c6824725ac2e04a5ae291fad/FLAG5cd4469f5 [2024-12-02 10:49:51,795 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 10:49:51,795 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a83044-4de0-42e4-9455-06d371c9dd78/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-49.i [2024-12-02 10:49:51,803 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a83044-4de0-42e4-9455-06d371c9dd78/bin/uautomizer-verify-84ZbGMXZE1/data/fb8aea091/90bf3c52c6824725ac2e04a5ae291fad/FLAG5cd4469f5 [2024-12-02 10:49:51,817 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a83044-4de0-42e4-9455-06d371c9dd78/bin/uautomizer-verify-84ZbGMXZE1/data/fb8aea091/90bf3c52c6824725ac2e04a5ae291fad [2024-12-02 10:49:51,820 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 10:49:51,821 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 10:49:51,822 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 10:49:51,822 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 10:49:51,826 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 10:49:51,827 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:49:51" (1/1) ... [2024-12-02 10:49:51,828 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@289b2674 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:49:51, skipping insertion in model container [2024-12-02 10:49:51,828 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:49:51" (1/1) ... [2024-12-02 10:49:51,842 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 10:49:51,942 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a83044-4de0-42e4-9455-06d371c9dd78/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-49.i[916,929] [2024-12-02 10:49:51,983 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 10:49:51,994 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 10:49:52,003 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a83044-4de0-42e4-9455-06d371c9dd78/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-49.i[916,929] [2024-12-02 10:49:52,026 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 10:49:52,039 INFO L204 MainTranslator]: Completed translation [2024-12-02 10:49:52,039 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:49:52 WrapperNode [2024-12-02 10:49:52,040 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 10:49:52,040 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 10:49:52,040 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 10:49:52,040 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 10:49:52,045 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:49:52" (1/1) ... [2024-12-02 10:49:52,053 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:49:52" (1/1) ... [2024-12-02 10:49:52,075 INFO L138 Inliner]: procedures = 27, calls = 29, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 100 [2024-12-02 10:49:52,075 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 10:49:52,076 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 10:49:52,076 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 10:49:52,076 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 10:49:52,082 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:49:52" (1/1) ... [2024-12-02 10:49:52,083 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:49:52" (1/1) ... [2024-12-02 10:49:52,086 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:49:52" (1/1) ... [2024-12-02 10:49:52,095 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-12-02 10:49:52,095 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:49:52" (1/1) ... [2024-12-02 10:49:52,095 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:49:52" (1/1) ... [2024-12-02 10:49:52,103 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:49:52" (1/1) ... [2024-12-02 10:49:52,104 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:49:52" (1/1) ... [2024-12-02 10:49:52,107 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:49:52" (1/1) ... [2024-12-02 10:49:52,109 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:49:52" (1/1) ... [2024-12-02 10:49:52,110 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:49:52" (1/1) ... [2024-12-02 10:49:52,113 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 10:49:52,114 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 10:49:52,114 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 10:49:52,114 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 10:49:52,115 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:49:52" (1/1) ... [2024-12-02 10:49:52,120 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 10:49:52,131 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a83044-4de0-42e4-9455-06d371c9dd78/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:49:52,140 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a83044-4de0-42e4-9455-06d371c9dd78/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 10:49:52,143 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a83044-4de0-42e4-9455-06d371c9dd78/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 10:49:52,164 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 10:49:52,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-12-02 10:49:52,165 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 10:49:52,165 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 10:49:52,165 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 10:49:52,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 10:49:52,224 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 10:49:52,225 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 10:49:52,785 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-12-02 10:49:52,785 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 10:49:52,794 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 10:49:52,795 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 10:49:52,795 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:49:52 BoogieIcfgContainer [2024-12-02 10:49:52,795 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 10:49:52,797 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 10:49:52,797 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 10:49:52,801 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 10:49:52,802 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 10:49:51" (1/3) ... [2024-12-02 10:49:52,802 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b8c8bc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 10:49:52, skipping insertion in model container [2024-12-02 10:49:52,802 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:49:52" (2/3) ... [2024-12-02 10:49:52,802 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b8c8bc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 10:49:52, skipping insertion in model container [2024-12-02 10:49:52,803 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:49:52" (3/3) ... [2024-12-02 10:49:52,804 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-49.i [2024-12-02 10:49:52,814 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 10:49:52,815 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_floatingpointinfluence_no-floats_file-49.i that has 2 procedures, 49 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 10:49:52,849 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 10:49:52,858 INFO L333 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, 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;@10893189, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 10:49:52,859 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 10:49:52,862 INFO L276 IsEmpty]: Start isEmpty. Operand has 49 states, 30 states have (on average 1.3666666666666667) internal successors, (41), 31 states have internal predecessors, (41), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-12-02 10:49:52,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-12-02 10:49:52,871 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:49:52,872 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:49:52,872 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:49:52,876 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:49:52,876 INFO L85 PathProgramCache]: Analyzing trace with hash 1736376752, now seen corresponding path program 1 times [2024-12-02 10:49:52,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 10:49:52,885 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [236772765] [2024-12-02 10:49:52,885 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:49:52,886 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 [2024-12-02 10:49:52,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a83044-4de0-42e4-9455-06d371c9dd78/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 10:49:52,888 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a83044-4de0-42e4-9455-06d371c9dd78/bin/uautomizer-verify-84ZbGMXZE1/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) [2024-12-02 10:49:52,889 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a83044-4de0-42e4-9455-06d371c9dd78/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 10:49:53,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:49:53,020 INFO L256 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 10:49:53,026 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 10:49:53,054 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 246 proven. 0 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2024-12-02 10:49:53,054 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 10:49:53,055 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 10:49:53,055 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [236772765] [2024-12-02 10:49:53,055 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [236772765] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:49:53,055 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:49:53,056 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 10:49:53,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [983619269] [2024-12-02 10:49:53,057 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:49:53,060 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 10:49:53,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 10:49:53,075 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 10:49:53,076 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 10:49:53,078 INFO L87 Difference]: Start difference. First operand has 49 states, 30 states have (on average 1.3666666666666667) internal successors, (41), 31 states have internal predecessors, (41), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-12-02 10:49:53,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:49:53,094 INFO L93 Difference]: Finished difference Result 91 states and 156 transitions. [2024-12-02 10:49:53,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 10:49:53,096 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 100 [2024-12-02 10:49:53,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:49:53,101 INFO L225 Difference]: With dead ends: 91 [2024-12-02 10:49:53,101 INFO L226 Difference]: Without dead ends: 45 [2024-12-02 10:49:53,103 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 10:49:53,105 INFO L435 NwaCegarLoop]: 66 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, 66 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 [2024-12-02 10:49:53,106 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 10:49:53,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2024-12-02 10:49:53,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2024-12-02 10:49:53,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 27 states have (on average 1.2592592592592593) internal successors, (34), 27 states have internal predecessors, (34), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-12-02 10:49:53,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 66 transitions. [2024-12-02 10:49:53,140 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 66 transitions. Word has length 100 [2024-12-02 10:49:53,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:49:53,141 INFO L471 AbstractCegarLoop]: Abstraction has 45 states and 66 transitions. [2024-12-02 10:49:53,141 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-12-02 10:49:53,141 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 66 transitions. [2024-12-02 10:49:53,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-12-02 10:49:53,144 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:49:53,144 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:49:53,148 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a83044-4de0-42e4-9455-06d371c9dd78/bin/uautomizer-verify-84ZbGMXZE1/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)] Ended with exit code 0 [2024-12-02 10:49:53,345 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a83044-4de0-42e4-9455-06d371c9dd78/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 10:49:53,345 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:49:53,346 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:49:53,346 INFO L85 PathProgramCache]: Analyzing trace with hash -3284560, now seen corresponding path program 1 times [2024-12-02 10:49:53,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 10:49:53,346 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1338979024] [2024-12-02 10:49:53,346 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:49:53,346 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 [2024-12-02 10:49:53,346 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a83044-4de0-42e4-9455-06d371c9dd78/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 10:49:53,348 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a83044-4de0-42e4-9455-06d371c9dd78/bin/uautomizer-verify-84ZbGMXZE1/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) [2024-12-02 10:49:53,349 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a83044-4de0-42e4-9455-06d371c9dd78/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 10:49:53,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:49:53,456 INFO L256 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-02 10:49:53,460 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 10:49:53,548 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2024-12-02 10:49:53,548 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 10:49:53,548 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 10:49:53,548 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1338979024] [2024-12-02 10:49:53,548 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1338979024] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:49:53,548 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:49:53,548 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 10:49:53,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [875678470] [2024-12-02 10:49:53,549 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:49:53,550 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 10:49:53,550 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 10:49:53,550 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 10:49:53,551 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 10:49:53,551 INFO L87 Difference]: Start difference. First operand 45 states and 66 transitions. Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 1 states have call successors, (16), 1 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 1 states have call successors, (16) [2024-12-02 10:49:53,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:49:53,886 INFO L93 Difference]: Finished difference Result 95 states and 136 transitions. [2024-12-02 10:49:53,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-02 10:49:53,891 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 1 states have call successors, (16), 1 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 1 states have call successors, (16) Word has length 100 [2024-12-02 10:49:53,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:49:53,893 INFO L225 Difference]: With dead ends: 95 [2024-12-02 10:49:53,893 INFO L226 Difference]: Without dead ends: 53 [2024-12-02 10:49:53,894 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-12-02 10:49:53,894 INFO L435 NwaCegarLoop]: 44 mSDtfsCounter, 47 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 10:49:53,895 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 100 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 10:49:53,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2024-12-02 10:49:53,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 49. [2024-12-02 10:49:53,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 30 states have (on average 1.2) internal successors, (36), 30 states have internal predecessors, (36), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-12-02 10:49:53,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 68 transitions. [2024-12-02 10:49:53,907 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 68 transitions. Word has length 100 [2024-12-02 10:49:53,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:49:53,908 INFO L471 AbstractCegarLoop]: Abstraction has 49 states and 68 transitions. [2024-12-02 10:49:53,908 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 1 states have call successors, (16), 1 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 1 states have call successors, (16) [2024-12-02 10:49:53,908 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 68 transitions. [2024-12-02 10:49:53,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-12-02 10:49:53,910 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:49:53,910 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:49:53,913 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a83044-4de0-42e4-9455-06d371c9dd78/bin/uautomizer-verify-84ZbGMXZE1/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)] Ended with exit code 0 [2024-12-02 10:49:54,110 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a83044-4de0-42e4-9455-06d371c9dd78/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 10:49:54,110 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:49:54,111 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:49:54,111 INFO L85 PathProgramCache]: Analyzing trace with hash 756332976, now seen corresponding path program 1 times [2024-12-02 10:49:54,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 10:49:54,112 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [578213930] [2024-12-02 10:49:54,112 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:49:54,112 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 [2024-12-02 10:49:54,112 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a83044-4de0-42e4-9455-06d371c9dd78/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 10:49:54,114 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a83044-4de0-42e4-9455-06d371c9dd78/bin/uautomizer-verify-84ZbGMXZE1/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) [2024-12-02 10:49:54,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a83044-4de0-42e4-9455-06d371c9dd78/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-12-02 10:49:54,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:49:54,225 INFO L256 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-12-02 10:49:54,231 INFO L279 TraceCheckSpWp]: Computing forward predicates...