./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-40.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_b448af55-0dd8-4927-a3b5-072fe52854f2/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b448af55-0dd8-4927-a3b5-072fe52854f2/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b448af55-0dd8-4927-a3b5-072fe52854f2/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b448af55-0dd8-4927-a3b5-072fe52854f2/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-40.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b448af55-0dd8-4927-a3b5-072fe52854f2/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b448af55-0dd8-4927-a3b5-072fe52854f2/bin/uautomizer-verify-aQ6SnzHsRB --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 64021861896ff3019361ecdf462e47b42c45b078cbed39f833fefb859a5a834c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 02:07:08,897 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 02:07:08,991 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b448af55-0dd8-4927-a3b5-072fe52854f2/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-28 02:07:09,001 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 02:07:09,001 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 02:07:09,039 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 02:07:09,040 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 02:07:09,040 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 02:07:09,041 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 02:07:09,041 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 02:07:09,041 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 02:07:09,041 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 02:07:09,042 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 02:07:09,042 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 02:07:09,042 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 02:07:09,042 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 02:07:09,042 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 02:07:09,042 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 02:07:09,043 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 02:07:09,043 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 02:07:09,043 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 02:07:09,044 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 02:07:09,044 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 02:07:09,044 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 02:07:09,044 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 02:07:09,044 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 02:07:09,044 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 02:07:09,044 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 02:07:09,044 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 02:07:09,044 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:07:09,045 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:07:09,045 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:07:09,045 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:07:09,045 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 02:07:09,045 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:07:09,045 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:07:09,045 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:07:09,045 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:07:09,046 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 02:07:09,046 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 02:07:09,046 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 02:07:09,046 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 02:07:09,046 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 02:07:09,046 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 02:07:09,046 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 02:07:09,047 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 02:07:09,048 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 02:07:09,048 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 02:07:09,048 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_b448af55-0dd8-4927-a3b5-072fe52854f2/bin/uautomizer-verify-aQ6SnzHsRB 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 -> 64021861896ff3019361ecdf462e47b42c45b078cbed39f833fefb859a5a834c [2024-11-28 02:07:09,367 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 02:07:09,380 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 02:07:09,383 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 02:07:09,385 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 02:07:09,385 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 02:07:09,387 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b448af55-0dd8-4927-a3b5-072fe52854f2/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-40.i [2024-11-28 02:07:12,468 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b448af55-0dd8-4927-a3b5-072fe52854f2/bin/uautomizer-verify-aQ6SnzHsRB/data/0a6176041/fb487e4770d04905ba17eda3c04e83c1/FLAG0819b4c12 [2024-11-28 02:07:12,758 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 02:07:12,761 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b448af55-0dd8-4927-a3b5-072fe52854f2/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-40.i [2024-11-28 02:07:12,773 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b448af55-0dd8-4927-a3b5-072fe52854f2/bin/uautomizer-verify-aQ6SnzHsRB/data/0a6176041/fb487e4770d04905ba17eda3c04e83c1/FLAG0819b4c12 [2024-11-28 02:07:12,793 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b448af55-0dd8-4927-a3b5-072fe52854f2/bin/uautomizer-verify-aQ6SnzHsRB/data/0a6176041/fb487e4770d04905ba17eda3c04e83c1 [2024-11-28 02:07:12,795 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 02:07:12,797 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 02:07:12,800 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 02:07:12,801 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 02:07:12,809 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 02:07:12,810 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:07:12" (1/1) ... [2024-11-28 02:07:12,811 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f9bcc31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:07:12, skipping insertion in model container [2024-11-28 02:07:12,811 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:07:12" (1/1) ... [2024-11-28 02:07:12,836 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 02:07:13,000 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_b448af55-0dd8-4927-a3b5-072fe52854f2/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-40.i[917,930] [2024-11-28 02:07:13,060 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:07:13,070 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 02:07:13,082 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_b448af55-0dd8-4927-a3b5-072fe52854f2/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-40.i[917,930] [2024-11-28 02:07:13,116 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:07:13,132 INFO L204 MainTranslator]: Completed translation [2024-11-28 02:07:13,133 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:07:13 WrapperNode [2024-11-28 02:07:13,133 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 02:07:13,134 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 02:07:13,134 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 02:07:13,134 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 02:07:13,141 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:07:13" (1/1) ... [2024-11-28 02:07:13,150 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:07:13" (1/1) ... [2024-11-28 02:07:13,193 INFO L138 Inliner]: procedures = 26, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 139 [2024-11-28 02:07:13,193 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 02:07:13,194 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 02:07:13,194 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 02:07:13,194 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 02:07:13,204 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:07:13" (1/1) ... [2024-11-28 02:07:13,204 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:07:13" (1/1) ... [2024-11-28 02:07:13,206 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:07:13" (1/1) ... [2024-11-28 02:07:13,226 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]. [2024-11-28 02:07:13,228 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:07:13" (1/1) ... [2024-11-28 02:07:13,229 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:07:13" (1/1) ... [2024-11-28 02:07:13,239 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:07:13" (1/1) ... [2024-11-28 02:07:13,240 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:07:13" (1/1) ... [2024-11-28 02:07:13,246 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:07:13" (1/1) ... [2024-11-28 02:07:13,247 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:07:13" (1/1) ... [2024-11-28 02:07:13,249 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:07:13" (1/1) ... [2024-11-28 02:07:13,251 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 02:07:13,252 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 02:07:13,252 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 02:07:13,252 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 02:07:13,253 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:07:13" (1/1) ... [2024-11-28 02:07:13,259 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:07:13,276 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b448af55-0dd8-4927-a3b5-072fe52854f2/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:07:13,296 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b448af55-0dd8-4927-a3b5-072fe52854f2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 02:07:13,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b448af55-0dd8-4927-a3b5-072fe52854f2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 02:07:13,327 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 02:07:13,327 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 02:07:13,327 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 02:07:13,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 02:07:13,328 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 02:07:13,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 02:07:13,418 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 02:07:13,420 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 02:07:13,768 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-28 02:07:13,768 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 02:07:13,778 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 02:07:13,778 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-28 02:07:13,779 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:07:13 BoogieIcfgContainer [2024-11-28 02:07:13,779 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 02:07:13,781 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 02:07:13,782 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 02:07:13,788 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 02:07:13,788 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:07:12" (1/3) ... [2024-11-28 02:07:13,789 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1073b4d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:07:13, skipping insertion in model container [2024-11-28 02:07:13,790 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:07:13" (2/3) ... [2024-11-28 02:07:13,790 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1073b4d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:07:13, skipping insertion in model container [2024-11-28 02:07:13,791 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:07:13" (3/3) ... [2024-11-28 02:07:13,793 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-40.i [2024-11-28 02:07:13,810 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 02:07:13,813 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_floatingpointinfluence_has-floats_file-40.i that has 2 procedures, 64 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-28 02:07:13,890 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 02:07:13,904 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;@35a2a831, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 02:07:13,904 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 02:07:13,908 INFO L276 IsEmpty]: Start isEmpty. Operand has 64 states, 42 states have (on average 1.4047619047619047) internal successors, (59), 43 states have internal predecessors, (59), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-28 02:07:13,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-28 02:07:13,922 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:07:13,923 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:07:13,924 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:07:13,929 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:07:13,930 INFO L85 PathProgramCache]: Analyzing trace with hash -361794192, now seen corresponding path program 1 times [2024-11-28 02:07:13,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:07:13,940 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1572414212] [2024-11-28 02:07:13,941 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:07:13,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:07:14,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:07:14,319 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 648 trivial. 0 not checked. [2024-11-28 02:07:14,320 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:07:14,321 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1572414212] [2024-11-28 02:07:14,321 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1572414212] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:07:14,322 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2112277745] [2024-11-28 02:07:14,322 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:07:14,322 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:07:14,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b448af55-0dd8-4927-a3b5-072fe52854f2/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:07:14,325 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b448af55-0dd8-4927-a3b5-072fe52854f2/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:07:14,328 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b448af55-0dd8-4927-a3b5-072fe52854f2/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 02:07:14,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:07:14,532 INFO L256 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 02:07:14,546 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:07:14,579 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 648 trivial. 0 not checked. [2024-11-28 02:07:14,579 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:07:14,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2112277745] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:07:14,580 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 02:07:14,580 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-28 02:07:14,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [366456852] [2024-11-28 02:07:14,583 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:07:14,587 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 02:07:14,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:07:14,610 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 02:07:14,611 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 02:07:14,615 INFO L87 Difference]: Start difference. First operand has 64 states, 42 states have (on average 1.4047619047619047) internal successors, (59), 43 states have internal predecessors, (59), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-28 02:07:14,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:07:14,643 INFO L93 Difference]: Finished difference Result 121 states and 207 transitions. [2024-11-28 02:07:14,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 02:07:14,645 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) Word has length 121 [2024-11-28 02:07:14,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:07:14,652 INFO L225 Difference]: With dead ends: 121 [2024-11-28 02:07:14,652 INFO L226 Difference]: Without dead ends: 60 [2024-11-28 02:07:14,656 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 02:07:14,661 INFO L435 NwaCegarLoop]: 90 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, 90 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 [2024-11-28 02:07:14,663 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:07:14,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2024-11-28 02:07:14,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2024-11-28 02:07:14,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 39 states have (on average 1.3333333333333333) internal successors, (52), 39 states have internal predecessors, (52), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-28 02:07:14,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 90 transitions. [2024-11-28 02:07:14,711 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 90 transitions. Word has length 121 [2024-11-28 02:07:14,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:07:14,712 INFO L471 AbstractCegarLoop]: Abstraction has 60 states and 90 transitions. [2024-11-28 02:07:14,712 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-28 02:07:14,712 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 90 transitions. [2024-11-28 02:07:14,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-28 02:07:14,715 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:07:14,715 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:07:14,727 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b448af55-0dd8-4927-a3b5-072fe52854f2/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-28 02:07:14,916 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b448af55-0dd8-4927-a3b5-072fe52854f2/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-28 02:07:14,916 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:07:14,917 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:07:14,917 INFO L85 PathProgramCache]: Analyzing trace with hash -1774031446, now seen corresponding path program 1 times [2024-11-28 02:07:14,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:07:14,918 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1397911184] [2024-11-28 02:07:14,918 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:07:14,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:07:15,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:07:15,571 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-28 02:07:15,571 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:07:15,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1397911184] [2024-11-28 02:07:15,571 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1397911184] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:07:15,572 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:07:15,572 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 02:07:15,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20921247] [2024-11-28 02:07:15,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:07:15,573 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 02:07:15,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:07:15,574 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 02:07:15,576 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:07:15,576 INFO L87 Difference]: Start difference. First operand 60 states and 90 transitions. Second operand has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-28 02:07:15,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:07:15,681 INFO L93 Difference]: Finished difference Result 136 states and 203 transitions. [2024-11-28 02:07:15,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 02:07:15,682 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 121 [2024-11-28 02:07:15,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:07:15,687 INFO L225 Difference]: With dead ends: 136 [2024-11-28 02:07:15,687 INFO L226 Difference]: Without dead ends: 79 [2024-11-28 02:07:15,688 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:07:15,689 INFO L435 NwaCegarLoop]: 94 mSDtfsCounter, 23 mSDsluCounter, 170 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 264 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 02:07:15,691 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 264 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 02:07:15,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2024-11-28 02:07:15,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 67. [2024-11-28 02:07:15,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 46 states have (on average 1.3695652173913044) internal successors, (63), 46 states have internal predecessors, (63), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-28 02:07:15,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 101 transitions. [2024-11-28 02:07:15,716 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 101 transitions. Word has length 121 [2024-11-28 02:07:15,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:07:15,719 INFO L471 AbstractCegarLoop]: Abstraction has 67 states and 101 transitions. [2024-11-28 02:07:15,719 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-28 02:07:15,719 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 101 transitions. [2024-11-28 02:07:15,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-28 02:07:15,724 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:07:15,724 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:07:15,725 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 02:07:15,725 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:07:15,726 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:07:15,727 INFO L85 PathProgramCache]: Analyzing trace with hash -1925075857, now seen corresponding path program 1 times [2024-11-28 02:07:15,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:07:15,728 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [613525791] [2024-11-28 02:07:15,728 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:07:15,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:07:15,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:07:16,123 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-28 02:07:16,124 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:07:16,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [613525791] [2024-11-28 02:07:16,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [613525791] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:07:16,124 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:07:16,124 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 02:07:16,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [397065562] [2024-11-28 02:07:16,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:07:16,125 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 02:07:16,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:07:16,126 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 02:07:16,126 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:07:16,127 INFO L87 Difference]: Start difference. First operand 67 states and 101 transitions. Second operand has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-28 02:07:16,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:07:16,294 INFO L93 Difference]: Finished difference Result 186 states and 275 transitions. [2024-11-28 02:07:16,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 02:07:16,298 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 122 [2024-11-28 02:07:16,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:07:16,301 INFO L225 Difference]: With dead ends: 186 [2024-11-28 02:07:16,301 INFO L226 Difference]: Without dead ends: 122 [2024-11-28 02:07:16,305 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-28 02:07:16,306 INFO L435 NwaCegarLoop]: 114 mSDtfsCounter, 56 mSDsluCounter, 260 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 374 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 02:07:16,307 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 374 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 02:07:16,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2024-11-28 02:07:16,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 93. [2024-11-28 02:07:16,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 69 states have (on average 1.3623188405797102) internal successors, (94), 70 states have internal predecessors, (94), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 20 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-28 02:07:16,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 136 transitions. [2024-11-28 02:07:16,333 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 136 transitions. Word has length 122 [2024-11-28 02:07:16,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:07:16,334 INFO L471 AbstractCegarLoop]: Abstraction has 93 states and 136 transitions. [2024-11-28 02:07:16,334 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-28 02:07:16,335 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 136 transitions. [2024-11-28 02:07:16,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-28 02:07:16,337 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:07:16,337 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:07:16,337 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 02:07:16,340 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:07:16,341 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:07:16,341 INFO L85 PathProgramCache]: Analyzing trace with hash -1338269843, now seen corresponding path program 1 times [2024-11-28 02:07:16,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:07:16,342 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [444423089] [2024-11-28 02:07:16,342 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:07:16,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:07:16,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 02:07:16,463 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1617341419] [2024-11-28 02:07:16,463 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:07:16,464 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:07:16,464 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b448af55-0dd8-4927-a3b5-072fe52854f2/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:07:16,468 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b448af55-0dd8-4927-a3b5-072fe52854f2/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:07:16,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b448af55-0dd8-4927-a3b5-072fe52854f2/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-28 02:07:16,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:07:16,645 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 02:07:16,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:07:16,802 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-28 02:07:16,803 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-28 02:07:16,804 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-28 02:07:16,819 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b448af55-0dd8-4927-a3b5-072fe52854f2/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-28 02:07:17,007 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b448af55-0dd8-4927-a3b5-072fe52854f2/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:07:17,011 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-28 02:07:17,100 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 02:07:17,104 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 02:07:17 BoogieIcfgContainer [2024-11-28 02:07:17,104 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 02:07:17,105 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 02:07:17,105 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 02:07:17,105 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 02:07:17,109 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:07:13" (3/4) ... [2024-11-28 02:07:17,112 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-28 02:07:17,113 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 02:07:17,114 INFO L158 Benchmark]: Toolchain (without parser) took 4316.92ms. Allocated memory is still 117.4MB. Free memory was 92.0MB in the beginning and 46.4MB in the end (delta: 45.7MB). Peak memory consumption was 48.3MB. Max. memory is 16.1GB. [2024-11-28 02:07:17,114 INFO L158 Benchmark]: CDTParser took 0.68ms. Allocated memory is still 117.4MB. Free memory is still 73.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:07:17,115 INFO L158 Benchmark]: CACSL2BoogieTranslator took 333.53ms. Allocated memory is still 117.4MB. Free memory was 91.8MB in the beginning and 79.0MB in the end (delta: 12.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 02:07:17,115 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.59ms. Allocated memory is still 117.4MB. Free memory was 79.0MB in the beginning and 76.9MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:07:17,115 INFO L158 Benchmark]: Boogie Preprocessor took 57.40ms. Allocated memory is still 117.4MB. Free memory was 76.9MB in the beginning and 74.3MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:07:17,116 INFO L158 Benchmark]: RCFGBuilder took 526.98ms. Allocated memory is still 117.4MB. Free memory was 74.3MB in the beginning and 56.7MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 02:07:17,116 INFO L158 Benchmark]: TraceAbstraction took 3323.05ms. Allocated memory is still 117.4MB. Free memory was 56.1MB in the beginning and 46.4MB in the end (delta: 9.7MB). Peak memory consumption was 14.8MB. Max. memory is 16.1GB. [2024-11-28 02:07:17,117 INFO L158 Benchmark]: Witness Printer took 8.12ms. Allocated memory is still 117.4MB. Free memory was 46.4MB in the beginning and 46.4MB in the end (delta: 21.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:07:17,119 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.68ms. Allocated memory is still 117.4MB. Free memory is still 73.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 333.53ms. Allocated memory is still 117.4MB. Free memory was 91.8MB in the beginning and 79.0MB in the end (delta: 12.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.59ms. Allocated memory is still 117.4MB. Free memory was 79.0MB in the beginning and 76.9MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 57.40ms. Allocated memory is still 117.4MB. Free memory was 76.9MB in the beginning and 74.3MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 526.98ms. Allocated memory is still 117.4MB. Free memory was 74.3MB in the beginning and 56.7MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 3323.05ms. Allocated memory is still 117.4MB. Free memory was 56.1MB in the beginning and 46.4MB in the end (delta: 9.7MB). Peak memory consumption was 14.8MB. Max. memory is 16.1GB. * Witness Printer took 8.12ms. Allocated memory is still 117.4MB. Free memory was 46.4MB in the beginning and 46.4MB in the end (delta: 21.1kB). 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 someBinaryArithmeticDOUBLEoperation at line 63, overapproximation of someBinaryFLOATComparisonOperation at line 100, overapproximation of someBinaryFLOATComparisonOperation at line 49, overapproximation of someBinaryFLOATComparisonOperation at line 100, overapproximation of someBinaryDOUBLEComparisonOperation at line 88, overapproximation of someBinaryDOUBLEComparisonOperation at line 100, overapproximation of someBinaryDOUBLEComparisonOperation at line 62. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = -4; [L23] unsigned char var_1_2 = 0; [L24] unsigned char var_1_3 = 0; [L25] unsigned char var_1_7 = 64; [L26] signed long int var_1_8 = -2; [L27] signed long int var_1_9 = -10; [L28] unsigned char var_1_11 = 128; [L29] unsigned char var_1_12 = 1; [L30] double var_1_13 = 8.4; [L31] double var_1_15 = 49.75; [L32] signed char var_1_16 = -2; [L33] signed char var_1_17 = 25; [L34] signed char var_1_18 = -5; [L35] float var_1_19 = 7.5; [L36] signed short int var_1_20 = 1; [L37] signed short int var_1_21 = -256; [L38] double last_1_var_1_13 = 8.4; VAL [isInitial=0, last_1_var_1_13=42/5, var_1_11=128, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=0, var_1_3=0, var_1_7=64, var_1_8=-2, var_1_9=-10] [L104] isInitial = 1 [L105] FCALL initially() [L107] CALL updateLastVariables() [L97] last_1_var_1_13 = var_1_13 VAL [isInitial=1, last_1_var_1_13=42/5, var_1_11=128, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=0, var_1_3=0, var_1_7=64, var_1_8=-2, var_1_9=-10] [L107] RET updateLastVariables() [L108] CALL updateVariables() [L67] var_1_2 = __VERIFIER_nondet_uchar() [L68] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=128, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_3=0, var_1_7=64, var_1_8=-2, var_1_9=-10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=128, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_3=0, var_1_7=64, var_1_8=-2, var_1_9=-10] [L68] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, last_1_var_1_13=42/5, var_1_11=128, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_3=0, var_1_7=64, var_1_8=-2, var_1_9=-10] [L69] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=128, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=0, var_1_7=64, var_1_8=-2, var_1_9=-10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=128, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=0, var_1_7=64, var_1_8=-2, var_1_9=-10] [L69] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, last_1_var_1_13=42/5, var_1_11=128, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=0, var_1_7=64, var_1_8=-2, var_1_9=-10] [L70] var_1_3 = __VERIFIER_nondet_uchar() [L71] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=128, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_7=64, var_1_8=-2, var_1_9=-10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=128, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_7=64, var_1_8=-2, var_1_9=-10] [L71] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, last_1_var_1_13=42/5, var_1_11=128, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_7=64, var_1_8=-2, var_1_9=-10] [L72] CALL assume_abort_if_not(var_1_3 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=128, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-2, var_1_9=-10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=128, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-2, var_1_9=-10] [L72] RET assume_abort_if_not(var_1_3 <= 1) VAL [isInitial=1, last_1_var_1_13=42/5, var_1_11=128, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-2, var_1_9=-10] [L73] var_1_8 = __VERIFIER_nondet_long() [L74] CALL assume_abort_if_not(var_1_8 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=128, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=-10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=128, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=-10] [L74] RET assume_abort_if_not(var_1_8 >= -2147483648) VAL [isInitial=1, last_1_var_1_13=42/5, var_1_11=128, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=-10] [L75] CALL assume_abort_if_not(var_1_8 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=128, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=-10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=128, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=-10] [L75] RET assume_abort_if_not(var_1_8 <= 2147483647) VAL [isInitial=1, last_1_var_1_13=42/5, var_1_11=128, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=-10] [L76] CALL assume_abort_if_not(var_1_8 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=128, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=-10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=128, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=-10] [L76] RET assume_abort_if_not(var_1_8 != 0) VAL [isInitial=1, last_1_var_1_13=42/5, var_1_11=128, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=-10] [L77] var_1_9 = __VERIFIER_nondet_long() [L78] CALL assume_abort_if_not(var_1_9 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=128, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=128, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L78] RET assume_abort_if_not(var_1_9 >= -2147483648) VAL [isInitial=1, last_1_var_1_13=42/5, var_1_11=128, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L79] CALL assume_abort_if_not(var_1_9 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=128, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=128, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L79] RET assume_abort_if_not(var_1_9 <= 2147483647) VAL [isInitial=1, last_1_var_1_13=42/5, var_1_11=128, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L80] CALL assume_abort_if_not(var_1_9 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=128, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=128, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L80] RET assume_abort_if_not(var_1_9 != 0) VAL [isInitial=1, last_1_var_1_13=42/5, var_1_11=128, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L81] var_1_11 = __VERIFIER_nondet_uchar() [L82] CALL assume_abort_if_not(var_1_11 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L82] RET assume_abort_if_not(var_1_11 >= 127) VAL [isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L83] CALL assume_abort_if_not(var_1_11 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L83] RET assume_abort_if_not(var_1_11 <= 254) VAL [isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L84] var_1_12 = __VERIFIER_nondet_uchar() [L85] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L85] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L86] CALL assume_abort_if_not(var_1_12 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_12=0, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_12=0, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L86] RET assume_abort_if_not(var_1_12 <= 127) VAL [isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_12=0, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L87] var_1_15 = __VERIFIER_nondet_double() [L88] CALL assume_abort_if_not((var_1_15 >= -461168.6018427382800e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 4611686.018427382800e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_12=0, var_1_13=42/5, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_12=0, var_1_13=42/5, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L88] RET assume_abort_if_not((var_1_15 >= -461168.6018427382800e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 4611686.018427382800e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_12=0, var_1_13=42/5, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L89] var_1_17 = __VERIFIER_nondet_char() [L90] CALL assume_abort_if_not(var_1_17 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_12=0, var_1_13=42/5, var_1_16=-2, var_1_17=-1, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_12=0, var_1_13=42/5, var_1_16=-2, var_1_17=-1, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L90] RET assume_abort_if_not(var_1_17 >= -127) VAL [isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_12=0, var_1_13=42/5, var_1_16=-2, var_1_17=-1, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L91] CALL assume_abort_if_not(var_1_17 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_12=0, var_1_13=42/5, var_1_16=-2, var_1_17=-1, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_12=0, var_1_13=42/5, var_1_16=-2, var_1_17=-1, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L91] RET assume_abort_if_not(var_1_17 <= 126) VAL [isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_12=0, var_1_13=42/5, var_1_16=-2, var_1_17=-1, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L92] var_1_18 = __VERIFIER_nondet_char() [L93] CALL assume_abort_if_not(var_1_18 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_12=0, var_1_13=42/5, var_1_16=-2, var_1_17=-1, var_1_18=-1, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_12=0, var_1_13=42/5, var_1_16=-2, var_1_17=-1, var_1_18=-1, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L93] RET assume_abort_if_not(var_1_18 >= -63) VAL [isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_12=0, var_1_13=42/5, var_1_16=-2, var_1_17=-1, var_1_18=-1, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L94] CALL assume_abort_if_not(var_1_18 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_12=0, var_1_13=42/5, var_1_16=-2, var_1_17=-1, var_1_18=-1, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_12=0, var_1_13=42/5, var_1_16=-2, var_1_17=-1, var_1_18=-1, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L94] RET assume_abort_if_not(var_1_18 <= 63) VAL [isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_12=0, var_1_13=42/5, var_1_16=-2, var_1_17=-1, var_1_18=-1, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L108] RET updateVariables() [L109] CALL step() [L42] COND TRUE \read(var_1_3) [L43] var_1_16 = ((((var_1_17) > ((-2 + var_1_18))) ? (var_1_17) : ((-2 + var_1_18)))) VAL [isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_12=0, var_1_13=42/5, var_1_16=-1, var_1_17=-1, var_1_18=-1, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L45] var_1_19 = var_1_15 [L46] var_1_20 = var_1_16 [L47] var_1_21 = var_1_18 VAL [isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_12=0, var_1_13=42/5, var_1_15=2, var_1_16=-1, var_1_17=-1, var_1_18=-1, var_1_19=2, var_1_1=-4, var_1_20=-1, var_1_21=-1, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L48] COND TRUE \read(var_1_2) VAL [isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_12=0, var_1_13=42/5, var_1_15=2, var_1_16=-1, var_1_17=-1, var_1_18=-1, var_1_19=2, var_1_1=-4, var_1_20=-1, var_1_21=-1, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L49] COND FALSE !(var_1_3 && (var_1_19 <= (- 63.9f))) VAL [isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_12=0, var_1_13=42/5, var_1_15=2, var_1_16=-1, var_1_17=-1, var_1_18=-1, var_1_19=2, var_1_1=-4, var_1_20=-1, var_1_21=-1, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L57] EXPR var_1_21 | var_1_16 VAL [isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_12=0, var_1_13=42/5, var_1_15=2, var_1_16=-1, var_1_17=-1, var_1_18=-1, var_1_19=2, var_1_1=-4, var_1_20=-1, var_1_21=-1, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L57] COND TRUE ((var_1_16 / var_1_8) / var_1_9) >= (var_1_21 | var_1_16) [L58] var_1_7 = (var_1_11 - var_1_12) VAL [isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_12=0, var_1_13=42/5, var_1_15=2, var_1_16=-1, var_1_17=-1, var_1_18=-1, var_1_19=2, var_1_1=-4, var_1_20=-1, var_1_21=-1, var_1_2=1, var_1_3=1, var_1_7=127, var_1_8=-1, var_1_9=3] [L62] COND TRUE var_1_19 != ((((last_1_var_1_13) < (var_1_19)) ? (last_1_var_1_13) : (var_1_19))) [L63] var_1_13 = (var_1_15 + (127.4 - 8.25)) VAL [isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_12=0, var_1_15=2, var_1_16=-1, var_1_17=-1, var_1_18=-1, var_1_19=2, var_1_1=-4, var_1_20=-1, var_1_21=-1, var_1_2=1, var_1_3=1, var_1_7=127, var_1_8=-1, var_1_9=3] [L109] RET step() [L110] CALL, EXPR property() [L100] EXPR (var_1_2 ? ((var_1_3 && (var_1_19 <= (- 63.9f))) ? ((var_1_19 >= var_1_19) ? (var_1_3 ? (var_1_1 == ((signed long int) var_1_21)) : 1) : 1) : 1) : 1) && ((((var_1_16 / var_1_8) / var_1_9) >= (var_1_21 | var_1_16)) ? (var_1_7 == ((unsigned char) (var_1_11 - var_1_12))) : (var_1_7 == ((unsigned char) var_1_12))) VAL [isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_12=0, var_1_15=2, var_1_16=-1, var_1_17=-1, var_1_18=-1, var_1_19=2, var_1_1=-4, var_1_20=-1, var_1_21=-1, var_1_2=1, var_1_3=1, var_1_7=127, var_1_8=-1, var_1_9=3] [L100-L101] return ((((((var_1_2 ? ((var_1_3 && (var_1_19 <= (- 63.9f))) ? ((var_1_19 >= var_1_19) ? (var_1_3 ? (var_1_1 == ((signed long int) var_1_21)) : 1) : 1) : 1) : 1) && ((((var_1_16 / var_1_8) / var_1_9) >= (var_1_21 | var_1_16)) ? (var_1_7 == ((unsigned char) (var_1_11 - var_1_12))) : (var_1_7 == ((unsigned char) var_1_12)))) && ((var_1_19 != ((((last_1_var_1_13) < (var_1_19)) ? (last_1_var_1_13) : (var_1_19)))) ? (var_1_13 == ((double) (var_1_15 + (127.4 - 8.25)))) : 1)) && (var_1_3 ? (var_1_16 == ((signed char) ((((var_1_17) > ((-2 + var_1_18))) ? (var_1_17) : ((-2 + var_1_18)))))) : 1)) && (var_1_19 == ((float) var_1_15))) && (var_1_20 == ((signed short int) var_1_16))) && (var_1_21 == ((signed short int) var_1_18)) ; [L110] RET, EXPR property() [L110] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_12=0, var_1_15=2, var_1_16=-1, var_1_17=-1, var_1_18=-1, var_1_19=2, var_1_1=-4, var_1_20=-1, var_1_21=-1, var_1_2=1, var_1_3=1, var_1_7=127, var_1_8=-1, var_1_9=3] [L19] reach_error() VAL [isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_12=0, var_1_15=2, var_1_16=-1, var_1_17=-1, var_1_18=-1, var_1_19=2, var_1_1=-4, var_1_20=-1, var_1_21=-1, var_1_2=1, var_1_3=1, var_1_7=127, var_1_8=-1, var_1_9=3] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 64 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.1s, OverallIterations: 4, TraceHistogramMax: 19, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 79 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 79 mSDsluCounter, 728 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 430 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 63 IncrementalHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 298 mSDtfsCounter, 63 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 134 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=93occurred in iteration=3, InterpolantAutomatonStates: 12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 41 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 729 NumberOfCodeBlocks, 729 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 481 ConstructedInterpolants, 0 QuantifiedInterpolants, 560 SizeOfPredicates, 0 NumberOfNonLiveVariables, 279 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 4 InterpolantComputations, 3 PerfectInterpolantSequences, 2700/2736 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 [2024-11-28 02:07:17,141 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b448af55-0dd8-4927-a3b5-072fe52854f2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b448af55-0dd8-4927-a3b5-072fe52854f2/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b448af55-0dd8-4927-a3b5-072fe52854f2/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b448af55-0dd8-4927-a3b5-072fe52854f2/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b448af55-0dd8-4927-a3b5-072fe52854f2/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-40.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b448af55-0dd8-4927-a3b5-072fe52854f2/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b448af55-0dd8-4927-a3b5-072fe52854f2/bin/uautomizer-verify-aQ6SnzHsRB --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 64021861896ff3019361ecdf462e47b42c45b078cbed39f833fefb859a5a834c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 02:07:20,151 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 02:07:20,296 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b448af55-0dd8-4927-a3b5-072fe52854f2/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-28 02:07:20,306 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 02:07:20,307 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 02:07:20,348 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 02:07:20,350 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 02:07:20,351 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 02:07:20,351 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 02:07:20,352 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 02:07:20,353 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 02:07:20,353 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 02:07:20,354 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 02:07:20,354 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 02:07:20,355 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 02:07:20,355 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 02:07:20,355 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 02:07:20,355 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 02:07:20,355 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 02:07:20,356 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 02:07:20,356 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 02:07:20,356 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 02:07:20,356 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 02:07:20,356 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-28 02:07:20,356 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-28 02:07:20,356 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-28 02:07:20,357 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 02:07:20,357 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 02:07:20,357 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 02:07:20,357 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 02:07:20,357 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 02:07:20,358 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:07:20,358 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:07:20,358 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:07:20,358 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:07:20,358 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 02:07:20,359 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:07:20,359 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:07:20,359 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:07:20,359 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:07:20,359 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 02:07:20,360 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 02:07:20,360 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 02:07:20,360 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 02:07:20,360 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-28 02:07:20,360 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-28 02:07:20,361 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 02:07:20,361 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 02:07:20,361 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 02:07:20,361 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 02:07:20,361 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_b448af55-0dd8-4927-a3b5-072fe52854f2/bin/uautomizer-verify-aQ6SnzHsRB 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 -> 64021861896ff3019361ecdf462e47b42c45b078cbed39f833fefb859a5a834c [2024-11-28 02:07:20,734 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 02:07:20,744 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 02:07:20,746 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 02:07:20,748 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 02:07:20,748 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 02:07:20,750 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b448af55-0dd8-4927-a3b5-072fe52854f2/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-40.i [2024-11-28 02:07:23,903 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b448af55-0dd8-4927-a3b5-072fe52854f2/bin/uautomizer-verify-aQ6SnzHsRB/data/549384e65/9f6d536b0ce34f999a9a84f9517073aa/FLAGff5bffe4b [2024-11-28 02:07:24,201 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 02:07:24,202 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b448af55-0dd8-4927-a3b5-072fe52854f2/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-40.i [2024-11-28 02:07:24,215 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b448af55-0dd8-4927-a3b5-072fe52854f2/bin/uautomizer-verify-aQ6SnzHsRB/data/549384e65/9f6d536b0ce34f999a9a84f9517073aa/FLAGff5bffe4b [2024-11-28 02:07:24,237 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b448af55-0dd8-4927-a3b5-072fe52854f2/bin/uautomizer-verify-aQ6SnzHsRB/data/549384e65/9f6d536b0ce34f999a9a84f9517073aa [2024-11-28 02:07:24,240 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 02:07:24,241 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 02:07:24,243 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 02:07:24,243 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 02:07:24,248 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 02:07:24,250 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:07:24" (1/1) ... [2024-11-28 02:07:24,251 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23fffa06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:07:24, skipping insertion in model container [2024-11-28 02:07:24,252 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:07:24" (1/1) ... [2024-11-28 02:07:24,272 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 02:07:24,451 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_b448af55-0dd8-4927-a3b5-072fe52854f2/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-40.i[917,930] [2024-11-28 02:07:24,532 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:07:24,554 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 02:07:24,568 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_b448af55-0dd8-4927-a3b5-072fe52854f2/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-40.i[917,930] [2024-11-28 02:07:24,596 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:07:24,618 INFO L204 MainTranslator]: Completed translation [2024-11-28 02:07:24,619 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:07:24 WrapperNode [2024-11-28 02:07:24,619 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 02:07:24,620 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 02:07:24,620 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 02:07:24,620 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 02:07:24,627 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:07:24" (1/1) ... [2024-11-28 02:07:24,647 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:07:24" (1/1) ... [2024-11-28 02:07:24,675 INFO L138 Inliner]: procedures = 27, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 112 [2024-11-28 02:07:24,675 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 02:07:24,676 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 02:07:24,676 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 02:07:24,676 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 02:07:24,685 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:07:24" (1/1) ... [2024-11-28 02:07:24,685 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:07:24" (1/1) ... [2024-11-28 02:07:24,688 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:07:24" (1/1) ... [2024-11-28 02:07:24,699 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]. [2024-11-28 02:07:24,699 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:07:24" (1/1) ... [2024-11-28 02:07:24,699 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:07:24" (1/1) ... [2024-11-28 02:07:24,719 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:07:24" (1/1) ... [2024-11-28 02:07:24,720 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:07:24" (1/1) ... [2024-11-28 02:07:24,725 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:07:24" (1/1) ... [2024-11-28 02:07:24,733 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:07:24" (1/1) ... [2024-11-28 02:07:24,734 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:07:24" (1/1) ... [2024-11-28 02:07:24,740 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 02:07:24,741 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 02:07:24,741 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 02:07:24,741 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 02:07:24,745 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:07:24" (1/1) ... [2024-11-28 02:07:24,754 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:07:24,770 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b448af55-0dd8-4927-a3b5-072fe52854f2/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:07:24,786 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b448af55-0dd8-4927-a3b5-072fe52854f2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 02:07:24,790 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b448af55-0dd8-4927-a3b5-072fe52854f2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 02:07:24,819 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 02:07:24,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-28 02:07:24,819 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 02:07:24,820 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 02:07:24,820 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 02:07:24,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 02:07:24,902 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 02:07:24,904 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 02:07:28,465 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-28 02:07:28,466 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 02:07:28,479 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 02:07:28,479 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-28 02:07:28,479 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:07:28 BoogieIcfgContainer [2024-11-28 02:07:28,480 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 02:07:28,482 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 02:07:28,482 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 02:07:28,488 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 02:07:28,488 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:07:24" (1/3) ... [2024-11-28 02:07:28,489 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26c8e543 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:07:28, skipping insertion in model container [2024-11-28 02:07:28,489 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:07:24" (2/3) ... [2024-11-28 02:07:28,489 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26c8e543 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:07:28, skipping insertion in model container [2024-11-28 02:07:28,489 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:07:28" (3/3) ... [2024-11-28 02:07:28,491 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-40.i [2024-11-28 02:07:28,505 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 02:07:28,506 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_floatingpointinfluence_has-floats_file-40.i that has 2 procedures, 55 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-28 02:07:28,597 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 02:07:28,611 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;@7194e01e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 02:07:28,613 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 02:07:28,617 INFO L276 IsEmpty]: Start isEmpty. Operand has 55 states, 33 states have (on average 1.3636363636363635) internal successors, (45), 34 states have internal predecessors, (45), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-28 02:07:28,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-28 02:07:28,632 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:07:28,633 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:07:28,633 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:07:28,640 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:07:28,640 INFO L85 PathProgramCache]: Analyzing trace with hash -261305118, now seen corresponding path program 1 times [2024-11-28 02:07:28,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:07:28,655 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1176821081] [2024-11-28 02:07:28,655 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:07:28,655 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 [2024-11-28 02:07:28,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b448af55-0dd8-4927-a3b5-072fe52854f2/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:07:28,658 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b448af55-0dd8-4927-a3b5-072fe52854f2/bin/uautomizer-verify-aQ6SnzHsRB/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) [2024-11-28 02:07:28,660 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b448af55-0dd8-4927-a3b5-072fe52854f2/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 02:07:29,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:07:29,066 INFO L256 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 02:07:29,074 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:07:29,117 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 356 proven. 0 refuted. 0 times theorem prover too weak. 328 trivial. 0 not checked. [2024-11-28 02:07:29,117 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:07:29,120 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:07:29,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1176821081] [2024-11-28 02:07:29,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1176821081] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:07:29,121 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:07:29,121 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:07:29,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2084081453] [2024-11-28 02:07:29,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:07:29,130 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 02:07:29,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:07:29,152 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 02:07:29,153 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 02:07:29,156 INFO L87 Difference]: Start difference. First operand has 55 states, 33 states have (on average 1.3636363636363635) internal successors, (45), 34 states have internal predecessors, (45), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-28 02:07:29,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:07:29,179 INFO L93 Difference]: Finished difference Result 103 states and 179 transitions. [2024-11-28 02:07:29,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 02:07:29,181 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 118 [2024-11-28 02:07:29,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:07:29,186 INFO L225 Difference]: With dead ends: 103 [2024-11-28 02:07:29,187 INFO L226 Difference]: Without dead ends: 51 [2024-11-28 02:07:29,189 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 02:07:29,192 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 [2024-11-28 02:07:29,193 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] [2024-11-28 02:07:29,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2024-11-28 02:07:29,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2024-11-28 02:07:29,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 30 states have (on average 1.2666666666666666) internal successors, (38), 30 states have internal predecessors, (38), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-28 02:07:29,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 76 transitions. [2024-11-28 02:07:29,242 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 76 transitions. Word has length 118 [2024-11-28 02:07:29,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:07:29,242 INFO L471 AbstractCegarLoop]: Abstraction has 51 states and 76 transitions. [2024-11-28 02:07:29,244 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-28 02:07:29,245 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 76 transitions. [2024-11-28 02:07:29,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-28 02:07:29,249 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:07:29,249 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:07:29,261 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b448af55-0dd8-4927-a3b5-072fe52854f2/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 02:07:29,449 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b448af55-0dd8-4927-a3b5-072fe52854f2/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 02:07:29,450 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:07:29,450 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:07:29,451 INFO L85 PathProgramCache]: Analyzing trace with hash -88781080, now seen corresponding path program 1 times [2024-11-28 02:07:29,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:07:29,451 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [470529624] [2024-11-28 02:07:29,452 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:07:29,452 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 [2024-11-28 02:07:29,452 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b448af55-0dd8-4927-a3b5-072fe52854f2/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:07:29,455 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b448af55-0dd8-4927-a3b5-072fe52854f2/bin/uautomizer-verify-aQ6SnzHsRB/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) [2024-11-28 02:07:29,457 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b448af55-0dd8-4927-a3b5-072fe52854f2/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 02:07:29,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:07:29,957 INFO L256 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-28 02:07:29,979 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:08:35,478 WARN L286 SmtUtils]: Spent 15.16s on a formula simplification that was a NOOP. DAG size: 49 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-28 02:09:46,718 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 270 proven. 12 refuted. 0 times theorem prover too weak. 402 trivial. 0 not checked. [2024-11-28 02:09:46,718 INFO L312 TraceCheckSpWp]: Computing backward predicates...