./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-4.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13d266e-7e40-4c16-be7f-13fdec7424b2/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13d266e-7e40-4c16-be7f-13fdec7424b2/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13d266e-7e40-4c16-be7f-13fdec7424b2/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13d266e-7e40-4c16-be7f-13fdec7424b2/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-4.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13d266e-7e40-4c16-be7f-13fdec7424b2/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13d266e-7e40-4c16-be7f-13fdec7424b2/bin/uautomizer-verify-84ZbGMXZE1 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d641f0fce6003e45544d7b313fe1ff9fa273efb3a1cdf3caa63db5b3b8db2e1d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 11:08:42,717 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 11:08:42,776 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13d266e-7e40-4c16-be7f-13fdec7424b2/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-12-02 11:08:42,781 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 11:08:42,781 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 11:08:42,804 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 11:08:42,804 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 11:08:42,805 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 11:08:42,805 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 11:08:42,805 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 11:08:42,805 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 11:08:42,805 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 11:08:42,806 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 11:08:42,806 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 11:08:42,806 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 11:08:42,806 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 11:08:42,806 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 11:08:42,806 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 11:08:42,806 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 11:08:42,806 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 11:08:42,806 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 11:08:42,806 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 11:08:42,807 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 11:08:42,807 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 11:08:42,807 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 11:08:42,807 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 11:08:42,807 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 11:08:42,807 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 11:08:42,807 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 11:08:42,807 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 11:08:42,807 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 11:08:42,807 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 11:08:42,807 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 11:08:42,808 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 11:08:42,808 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 11:08:42,808 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 11:08:42,808 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 11:08:42,808 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 11:08:42,808 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 11:08:42,808 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 11:08:42,808 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 11:08:42,808 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 11:08:42,808 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 11:08:42,808 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 11:08:42,809 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 11:08:42,809 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 11:08:42,809 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 11:08:42,809 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 11:08:42,809 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_f13d266e-7e40-4c16-be7f-13fdec7424b2/bin/uautomizer-verify-84ZbGMXZE1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d641f0fce6003e45544d7b313fe1ff9fa273efb3a1cdf3caa63db5b3b8db2e1d [2024-12-02 11:08:43,040 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 11:08:43,049 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 11:08:43,052 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 11:08:43,053 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 11:08:43,053 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 11:08:43,054 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13d266e-7e40-4c16-be7f-13fdec7424b2/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-4.i [2024-12-02 11:08:45,704 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13d266e-7e40-4c16-be7f-13fdec7424b2/bin/uautomizer-verify-84ZbGMXZE1/data/9af4da67a/5aabbf4f43d5484a877a892ce1ca0e1b/FLAGea12f1d21 [2024-12-02 11:08:45,910 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 11:08:45,911 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13d266e-7e40-4c16-be7f-13fdec7424b2/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-4.i [2024-12-02 11:08:45,919 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13d266e-7e40-4c16-be7f-13fdec7424b2/bin/uautomizer-verify-84ZbGMXZE1/data/9af4da67a/5aabbf4f43d5484a877a892ce1ca0e1b/FLAGea12f1d21 [2024-12-02 11:08:45,934 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13d266e-7e40-4c16-be7f-13fdec7424b2/bin/uautomizer-verify-84ZbGMXZE1/data/9af4da67a/5aabbf4f43d5484a877a892ce1ca0e1b [2024-12-02 11:08:45,937 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 11:08:45,938 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 11:08:45,939 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 11:08:45,939 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 11:08:45,944 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 11:08:45,944 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:08:45" (1/1) ... [2024-12-02 11:08:45,945 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2da01ed9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:08:45, skipping insertion in model container [2024-12-02 11:08:45,945 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:08:45" (1/1) ... [2024-12-02 11:08:45,961 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 11:08:46,086 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_f13d266e-7e40-4c16-be7f-13fdec7424b2/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-4.i[915,928] [2024-12-02 11:08:46,127 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 11:08:46,135 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 11:08:46,144 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_f13d266e-7e40-4c16-be7f-13fdec7424b2/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-4.i[915,928] [2024-12-02 11:08:46,165 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 11:08:46,181 INFO L204 MainTranslator]: Completed translation [2024-12-02 11:08:46,181 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:08:46 WrapperNode [2024-12-02 11:08:46,181 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 11:08:46,182 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 11:08:46,183 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 11:08:46,183 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 11:08:46,189 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:08:46" (1/1) ... [2024-12-02 11:08:46,197 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:08:46" (1/1) ... [2024-12-02 11:08:46,223 INFO L138 Inliner]: procedures = 26, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 112 [2024-12-02 11:08:46,224 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 11:08:46,224 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 11:08:46,224 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 11:08:46,224 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 11:08:46,234 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:08:46" (1/1) ... [2024-12-02 11:08:46,234 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:08:46" (1/1) ... [2024-12-02 11:08:46,236 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:08:46" (1/1) ... [2024-12-02 11:08:46,251 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-12-02 11:08:46,251 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:08:46" (1/1) ... [2024-12-02 11:08:46,251 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:08:46" (1/1) ... [2024-12-02 11:08:46,257 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:08:46" (1/1) ... [2024-12-02 11:08:46,258 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:08:46" (1/1) ... [2024-12-02 11:08:46,261 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:08:46" (1/1) ... [2024-12-02 11:08:46,262 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:08:46" (1/1) ... [2024-12-02 11:08:46,264 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:08:46" (1/1) ... [2024-12-02 11:08:46,266 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 11:08:46,267 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 11:08:46,267 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 11:08:46,267 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 11:08:46,268 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:08:46" (1/1) ... [2024-12-02 11:08:46,273 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 11:08:46,285 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13d266e-7e40-4c16-be7f-13fdec7424b2/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 11:08:46,295 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13d266e-7e40-4c16-be7f-13fdec7424b2/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 11:08:46,298 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13d266e-7e40-4c16-be7f-13fdec7424b2/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 11:08:46,321 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 11:08:46,321 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 11:08:46,321 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 11:08:46,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 11:08:46,321 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 11:08:46,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 11:08:46,383 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 11:08:46,385 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 11:08:46,599 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-12-02 11:08:46,599 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 11:08:46,609 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 11:08:46,609 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 11:08:46,609 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:08:46 BoogieIcfgContainer [2024-12-02 11:08:46,609 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 11:08:46,612 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 11:08:46,612 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 11:08:46,616 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 11:08:46,617 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 11:08:45" (1/3) ... [2024-12-02 11:08:46,617 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29ddc0a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 11:08:46, skipping insertion in model container [2024-12-02 11:08:46,617 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:08:46" (2/3) ... [2024-12-02 11:08:46,617 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29ddc0a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 11:08:46, skipping insertion in model container [2024-12-02 11:08:46,618 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:08:46" (3/3) ... [2024-12-02 11:08:46,619 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-4.i [2024-12-02 11:08:46,632 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 11:08:46,634 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_floatingpointinfluence_no-floats_file-4.i that has 2 procedures, 51 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 11:08:46,682 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 11:08:46,691 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;@20505924, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 11:08:46,691 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 11:08:46,695 INFO L276 IsEmpty]: Start isEmpty. Operand has 51 states, 29 states have (on average 1.3103448275862069) internal successors, (38), 30 states have internal predecessors, (38), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-12-02 11:08:46,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-12-02 11:08:46,704 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:08:46,705 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] [2024-12-02 11:08:46,705 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:08:46,710 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:08:46,710 INFO L85 PathProgramCache]: Analyzing trace with hash 1605082745, now seen corresponding path program 1 times [2024-12-02 11:08:46,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:08:46,717 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [653392308] [2024-12-02 11:08:46,718 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:08:46,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:08:46,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:08:46,949 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 648 trivial. 0 not checked. [2024-12-02 11:08:46,949 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:08:46,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [653392308] [2024-12-02 11:08:46,950 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [653392308] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 11:08:46,950 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1701701221] [2024-12-02 11:08:46,950 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:08:46,950 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 11:08:46,950 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13d266e-7e40-4c16-be7f-13fdec7424b2/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 11:08:46,953 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13d266e-7e40-4c16-be7f-13fdec7424b2/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 11:08:46,955 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13d266e-7e40-4c16-be7f-13fdec7424b2/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 11:08:47,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:08:47,079 INFO L256 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 11:08:47,086 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:08:47,109 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 648 trivial. 0 not checked. [2024-12-02 11:08:47,109 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 11:08:47,109 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1701701221] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:08:47,109 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 11:08:47,110 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-12-02 11:08:47,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [591132774] [2024-12-02 11:08:47,113 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:08:47,116 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 11:08:47,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:08:47,133 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 11:08:47,134 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 11:08:47,136 INFO L87 Difference]: Start difference. First operand has 51 states, 29 states have (on average 1.3103448275862069) internal successors, (38), 30 states have internal predecessors, (38), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-12-02 11:08:47,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:08:47,153 INFO L93 Difference]: Finished difference Result 95 states and 165 transitions. [2024-12-02 11:08:47,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 11:08:47,154 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) Word has length 116 [2024-12-02 11:08:47,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:08:47,159 INFO L225 Difference]: With dead ends: 95 [2024-12-02 11:08:47,159 INFO L226 Difference]: Without dead ends: 47 [2024-12-02 11:08:47,161 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 [2024-12-02 11:08:47,163 INFO L435 NwaCegarLoop]: 69 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 11:08:47,164 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 11:08:47,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2024-12-02 11:08:47,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2024-12-02 11:08:47,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 26 states have (on average 1.1923076923076923) internal successors, (31), 26 states have internal predecessors, (31), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-12-02 11:08:47,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 69 transitions. [2024-12-02 11:08:47,193 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 69 transitions. Word has length 116 [2024-12-02 11:08:47,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:08:47,194 INFO L471 AbstractCegarLoop]: Abstraction has 47 states and 69 transitions. [2024-12-02 11:08:47,194 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-12-02 11:08:47,194 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 69 transitions. [2024-12-02 11:08:47,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-12-02 11:08:47,196 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:08:47,197 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] [2024-12-02 11:08:47,203 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13d266e-7e40-4c16-be7f-13fdec7424b2/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 11:08:47,397 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13d266e-7e40-4c16-be7f-13fdec7424b2/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-12-02 11:08:47,397 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:08:47,398 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:08:47,398 INFO L85 PathProgramCache]: Analyzing trace with hash -741041665, now seen corresponding path program 1 times [2024-12-02 11:08:47,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:08:47,398 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668399729] [2024-12-02 11:08:47,398 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:08:47,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:08:47,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-02 11:08:47,585 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [641291192] [2024-12-02 11:08:47,585 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:08:47,585 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 11:08:47,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13d266e-7e40-4c16-be7f-13fdec7424b2/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 11:08:47,588 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13d266e-7e40-4c16-be7f-13fdec7424b2/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 11:08:47,590 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13d266e-7e40-4c16-be7f-13fdec7424b2/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-02 11:08:48,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:08:48,051 INFO L256 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-02 11:08:48,056 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:08:49,531 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 150 proven. 48 refuted. 0 times theorem prover too weak. 486 trivial. 0 not checked. [2024-12-02 11:08:49,531 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 11:08:50,441 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 6 proven. 48 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2024-12-02 11:08:50,441 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:08:50,442 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [668399729] [2024-12-02 11:08:50,442 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-12-02 11:08:50,442 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [641291192] [2024-12-02 11:08:50,442 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [641291192] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 11:08:50,442 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 11:08:50,443 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9] total 16 [2024-12-02 11:08:50,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [950705678] [2024-12-02 11:08:50,443 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 11:08:50,444 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-12-02 11:08:50,444 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:08:50,445 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-12-02 11:08:50,445 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=183, Unknown=0, NotChecked=0, Total=240 [2024-12-02 11:08:50,446 INFO L87 Difference]: Start difference. First operand 47 states and 69 transitions. Second operand has 16 states, 15 states have (on average 3.3333333333333335) internal successors, (50), 16 states have internal predecessors, (50), 4 states have call successors, (38), 3 states have call predecessors, (38), 5 states have return successors, (38), 4 states have call predecessors, (38), 4 states have call successors, (38) [2024-12-02 11:08:52,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:08:52,464 INFO L93 Difference]: Finished difference Result 148 states and 213 transitions. [2024-12-02 11:08:52,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-02 11:08:52,465 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 3.3333333333333335) internal successors, (50), 16 states have internal predecessors, (50), 4 states have call successors, (38), 3 states have call predecessors, (38), 5 states have return successors, (38), 4 states have call predecessors, (38), 4 states have call successors, (38) Word has length 116 [2024-12-02 11:08:52,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:08:52,468 INFO L225 Difference]: With dead ends: 148 [2024-12-02 11:08:52,468 INFO L226 Difference]: Without dead ends: 104 [2024-12-02 11:08:52,469 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 242 GetRequests, 218 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=201, Invalid=449, Unknown=0, NotChecked=0, Total=650 [2024-12-02 11:08:52,469 INFO L435 NwaCegarLoop]: 43 mSDtfsCounter, 76 mSDsluCounter, 212 mSDsCounter, 0 mSdLazyCounter, 496 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 255 SdHoareTripleChecker+Invalid, 587 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 496 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-12-02 11:08:52,470 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 255 Invalid, 587 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 496 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-12-02 11:08:52,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2024-12-02 11:08:52,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 85. [2024-12-02 11:08:52,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 43 states have (on average 1.1162790697674418) internal successors, (48), 43 states have internal predecessors, (48), 38 states have call successors, (38), 3 states have call predecessors, (38), 3 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-12-02 11:08:52,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 124 transitions. [2024-12-02 11:08:52,498 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 124 transitions. Word has length 116 [2024-12-02 11:08:52,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:08:52,499 INFO L471 AbstractCegarLoop]: Abstraction has 85 states and 124 transitions. [2024-12-02 11:08:52,499 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 3.3333333333333335) internal successors, (50), 16 states have internal predecessors, (50), 4 states have call successors, (38), 3 states have call predecessors, (38), 5 states have return successors, (38), 4 states have call predecessors, (38), 4 states have call successors, (38) [2024-12-02 11:08:52,500 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 124 transitions. [2024-12-02 11:08:52,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-12-02 11:08:52,502 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:08:52,502 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] [2024-12-02 11:08:52,508 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13d266e-7e40-4c16-be7f-13fdec7424b2/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-12-02 11:08:52,702 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13d266e-7e40-4c16-be7f-13fdec7424b2/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 11:08:52,702 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:08:52,703 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:08:52,703 INFO L85 PathProgramCache]: Analyzing trace with hash 68304961, now seen corresponding path program 1 times [2024-12-02 11:08:52,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:08:52,703 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [852772702] [2024-12-02 11:08:52,703 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:08:52,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:08:52,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-02 11:08:52,803 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1961733325] [2024-12-02 11:08:52,803 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:08:52,804 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 11:08:52,804 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13d266e-7e40-4c16-be7f-13fdec7424b2/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 11:08:52,806 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13d266e-7e40-4c16-be7f-13fdec7424b2/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 11:08:52,807 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13d266e-7e40-4c16-be7f-13fdec7424b2/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-12-02 11:08:53,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 11:08:53,339 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 11:08:53,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 11:08:53,438 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-12-02 11:08:53,439 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-12-02 11:08:53,439 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 11:08:53,447 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13d266e-7e40-4c16-be7f-13fdec7424b2/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-12-02 11:08:53,641 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13d266e-7e40-4c16-be7f-13fdec7424b2/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 11:08:53,644 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-12-02 11:08:53,704 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 11:08:53,706 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 11:08:53 BoogieIcfgContainer [2024-12-02 11:08:53,707 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 11:08:53,707 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 11:08:53,707 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 11:08:53,707 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 11:08:53,708 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:08:46" (3/4) ... [2024-12-02 11:08:53,709 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-02 11:08:53,710 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 11:08:53,710 INFO L158 Benchmark]: Toolchain (without parser) took 7772.73ms. Allocated memory was 142.6MB in the beginning and 419.4MB in the end (delta: 276.8MB). Free memory was 118.2MB in the beginning and 240.4MB in the end (delta: -122.3MB). Peak memory consumption was 149.4MB. Max. memory is 16.1GB. [2024-12-02 11:08:53,711 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 142.6MB. Free memory is still 83.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 11:08:53,711 INFO L158 Benchmark]: CACSL2BoogieTranslator took 242.59ms. Allocated memory is still 142.6MB. Free memory was 117.9MB in the beginning and 104.9MB in the end (delta: 13.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 11:08:53,711 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.41ms. Allocated memory is still 142.6MB. Free memory was 104.9MB in the beginning and 102.2MB in the end (delta: 2.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 11:08:53,711 INFO L158 Benchmark]: Boogie Preprocessor took 42.41ms. Allocated memory is still 142.6MB. Free memory was 102.2MB in the beginning and 97.6MB in the end (delta: 4.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 11:08:53,712 INFO L158 Benchmark]: RCFGBuilder took 342.25ms. Allocated memory is still 142.6MB. Free memory was 97.6MB in the beginning and 80.4MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 11:08:53,712 INFO L158 Benchmark]: TraceAbstraction took 7094.87ms. Allocated memory was 142.6MB in the beginning and 419.4MB in the end (delta: 276.8MB). Free memory was 79.7MB in the beginning and 240.4MB in the end (delta: -160.8MB). Peak memory consumption was 115.8MB. Max. memory is 16.1GB. [2024-12-02 11:08:53,712 INFO L158 Benchmark]: Witness Printer took 2.73ms. Allocated memory is still 419.4MB. Free memory was 240.4MB in the beginning and 240.4MB in the end (delta: 17.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 11:08:53,714 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 142.6MB. Free memory is still 83.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 242.59ms. Allocated memory is still 142.6MB. Free memory was 117.9MB in the beginning and 104.9MB in the end (delta: 13.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.41ms. Allocated memory is still 142.6MB. Free memory was 104.9MB in the beginning and 102.2MB in the end (delta: 2.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.41ms. Allocated memory is still 142.6MB. Free memory was 102.2MB in the beginning and 97.6MB in the end (delta: 4.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 342.25ms. Allocated memory is still 142.6MB. Free memory was 97.6MB in the beginning and 80.4MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 7094.87ms. Allocated memory was 142.6MB in the beginning and 419.4MB in the end (delta: 276.8MB). Free memory was 79.7MB in the beginning and 240.4MB in the end (delta: -160.8MB). Peak memory consumption was 115.8MB. Max. memory is 16.1GB. * Witness Printer took 2.73ms. Allocated memory is still 419.4MB. Free memory was 240.4MB in the beginning and 240.4MB in the end (delta: 17.7kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 95, overapproximation of someBinaryFLOATComparisonOperation at line 46. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned short int var_1_1 = 5; [L23] signed short int var_1_3 = -25; [L24] unsigned short int var_1_7 = 4; [L25] unsigned char var_1_8 = 4; [L26] unsigned char var_1_10 = 4; [L27] unsigned char var_1_11 = 8; [L28] unsigned long int var_1_12 = 10; [L29] signed long int var_1_13 = 99; [L30] signed long int var_1_14 = 127; [L31] signed long int var_1_15 = 16; [L32] signed long int var_1_16 = 256; [L33] unsigned long int var_1_17 = 4288034294; [L34] unsigned char var_1_18 = 0; [L35] unsigned long int last_1_var_1_12 = 10; [L36] unsigned char last_1_var_1_18 = 0; VAL [isInitial=0, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=4, var_1_11=8, var_1_12=10, var_1_13=99, var_1_14=127, var_1_15=16, var_1_16=256, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=-25, var_1_7=4, var_1_8=4] [L99] isInitial = 1 [L100] FCALL initially() [L102] CALL updateLastVariables() [L91] last_1_var_1_12 = var_1_12 [L92] last_1_var_1_18 = var_1_18 VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=4, var_1_11=8, var_1_12=10, var_1_13=99, var_1_14=127, var_1_15=16, var_1_16=256, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=-25, var_1_7=4, var_1_8=4] [L102] RET updateLastVariables() [L103] CALL updateVariables() [L62] var_1_3 = __VERIFIER_nondet_short() [L63] CALL assume_abort_if_not(var_1_3 >= -32768) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=4, var_1_11=8, var_1_12=10, var_1_13=99, var_1_14=127, var_1_15=16, var_1_16=256, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=4, var_1_11=8, var_1_12=10, var_1_13=99, var_1_14=127, var_1_15=16, var_1_16=256, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=4] [L63] RET assume_abort_if_not(var_1_3 >= -32768) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=4, var_1_11=8, var_1_12=10, var_1_13=99, var_1_14=127, var_1_15=16, var_1_16=256, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=4] [L64] CALL assume_abort_if_not(var_1_3 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=4, var_1_11=8, var_1_12=10, var_1_13=99, var_1_14=127, var_1_15=16, var_1_16=256, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=4, var_1_11=8, var_1_12=10, var_1_13=99, var_1_14=127, var_1_15=16, var_1_16=256, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=4] [L64] RET assume_abort_if_not(var_1_3 <= 32767) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=4, var_1_11=8, var_1_12=10, var_1_13=99, var_1_14=127, var_1_15=16, var_1_16=256, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=4] [L65] CALL assume_abort_if_not(var_1_3 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=4, var_1_11=8, var_1_12=10, var_1_13=99, var_1_14=127, var_1_15=16, var_1_16=256, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=4, var_1_11=8, var_1_12=10, var_1_13=99, var_1_14=127, var_1_15=16, var_1_16=256, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=4] [L65] RET assume_abort_if_not(var_1_3 != 0) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=4, var_1_11=8, var_1_12=10, var_1_13=99, var_1_14=127, var_1_15=16, var_1_16=256, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=4] [L66] var_1_10 = __VERIFIER_nondet_uchar() [L67] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_11=8, var_1_12=10, var_1_13=99, var_1_14=127, var_1_15=16, var_1_16=256, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_11=8, var_1_12=10, var_1_13=99, var_1_14=127, var_1_15=16, var_1_16=256, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=4] [L67] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_11=8, var_1_12=10, var_1_13=99, var_1_14=127, var_1_15=16, var_1_16=256, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=4] [L68] CALL assume_abort_if_not(var_1_10 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-255, var_1_11=8, var_1_12=10, var_1_13=99, var_1_14=127, var_1_15=16, var_1_16=256, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-255, var_1_11=8, var_1_12=10, var_1_13=99, var_1_14=127, var_1_15=16, var_1_16=256, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=4] [L68] RET assume_abort_if_not(var_1_10 <= 254) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-255, var_1_11=8, var_1_12=10, var_1_13=99, var_1_14=127, var_1_15=16, var_1_16=256, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=4] [L69] var_1_11 = __VERIFIER_nondet_uchar() [L70] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-255, var_1_12=10, var_1_13=99, var_1_14=127, var_1_15=16, var_1_16=256, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-255, var_1_12=10, var_1_13=99, var_1_14=127, var_1_15=16, var_1_16=256, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=4] [L70] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-255, var_1_12=10, var_1_13=99, var_1_14=127, var_1_15=16, var_1_16=256, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=4] [L71] CALL assume_abort_if_not(var_1_11 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-255, var_1_11=257, var_1_12=10, var_1_13=99, var_1_14=127, var_1_15=16, var_1_16=256, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-255, var_1_11=257, var_1_12=10, var_1_13=99, var_1_14=127, var_1_15=16, var_1_16=256, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=4] [L71] RET assume_abort_if_not(var_1_11 <= 254) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-255, var_1_11=257, var_1_12=10, var_1_13=99, var_1_14=127, var_1_15=16, var_1_16=256, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=4] [L72] var_1_13 = __VERIFIER_nondet_long() [L73] CALL assume_abort_if_not(var_1_13 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-255, var_1_11=257, var_1_12=10, var_1_13=-2147483648, var_1_14=127, var_1_15=16, var_1_16=256, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-255, var_1_11=257, var_1_12=10, var_1_13=-2147483648, var_1_14=127, var_1_15=16, var_1_16=256, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=4] [L73] RET assume_abort_if_not(var_1_13 >= -2147483648) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-255, var_1_11=257, var_1_12=10, var_1_13=-2147483648, var_1_14=127, var_1_15=16, var_1_16=256, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=4] [L74] CALL assume_abort_if_not(var_1_13 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-255, var_1_11=257, var_1_12=10, var_1_13=-2147483648, var_1_14=127, var_1_15=16, var_1_16=256, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-255, var_1_11=257, var_1_12=10, var_1_13=-2147483648, var_1_14=127, var_1_15=16, var_1_16=256, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=4] [L74] RET assume_abort_if_not(var_1_13 <= 2147483647) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-255, var_1_11=257, var_1_12=10, var_1_13=-2147483648, var_1_14=127, var_1_15=16, var_1_16=256, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=4] [L75] var_1_14 = __VERIFIER_nondet_long() [L76] CALL assume_abort_if_not(var_1_14 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-255, var_1_11=257, var_1_12=10, var_1_13=-2147483648, var_1_14=-2147483648, var_1_15=16, var_1_16=256, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-255, var_1_11=257, var_1_12=10, var_1_13=-2147483648, var_1_14=-2147483648, var_1_15=16, var_1_16=256, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=4] [L76] RET assume_abort_if_not(var_1_14 >= -2147483648) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-255, var_1_11=257, var_1_12=10, var_1_13=-2147483648, var_1_14=-2147483648, var_1_15=16, var_1_16=256, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=4] [L77] CALL assume_abort_if_not(var_1_14 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-255, var_1_11=257, var_1_12=10, var_1_13=-2147483648, var_1_14=-2147483648, var_1_15=16, var_1_16=256, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-255, var_1_11=257, var_1_12=10, var_1_13=-2147483648, var_1_14=-2147483648, var_1_15=16, var_1_16=256, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=4] [L77] RET assume_abort_if_not(var_1_14 <= 2147483647) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-255, var_1_11=257, var_1_12=10, var_1_13=-2147483648, var_1_14=-2147483648, var_1_15=16, var_1_16=256, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=4] [L78] var_1_15 = __VERIFIER_nondet_long() [L79] CALL assume_abort_if_not(var_1_15 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-255, var_1_11=257, var_1_12=10, var_1_13=-2147483648, var_1_14=-2147483648, var_1_15=1, var_1_16=256, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-255, var_1_11=257, var_1_12=10, var_1_13=-2147483648, var_1_14=-2147483648, var_1_15=1, var_1_16=256, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=4] [L79] RET assume_abort_if_not(var_1_15 >= -2147483648) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-255, var_1_11=257, var_1_12=10, var_1_13=-2147483648, var_1_14=-2147483648, var_1_15=1, var_1_16=256, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=4] [L80] CALL assume_abort_if_not(var_1_15 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-255, var_1_11=257, var_1_12=10, var_1_13=-2147483648, var_1_14=-2147483648, var_1_15=1, var_1_16=256, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-255, var_1_11=257, var_1_12=10, var_1_13=-2147483648, var_1_14=-2147483648, var_1_15=1, var_1_16=256, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=4] [L80] RET assume_abort_if_not(var_1_15 <= 2147483647) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-255, var_1_11=257, var_1_12=10, var_1_13=-2147483648, var_1_14=-2147483648, var_1_15=1, var_1_16=256, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=4] [L81] CALL assume_abort_if_not(var_1_15 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-255, var_1_11=257, var_1_12=10, var_1_13=-2147483648, var_1_14=-2147483648, var_1_15=1, var_1_16=256, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-255, var_1_11=257, var_1_12=10, var_1_13=-2147483648, var_1_14=-2147483648, var_1_15=1, var_1_16=256, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=4] [L81] RET assume_abort_if_not(var_1_15 != 0) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-255, var_1_11=257, var_1_12=10, var_1_13=-2147483648, var_1_14=-2147483648, var_1_15=1, var_1_16=256, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=4] [L82] var_1_16 = __VERIFIER_nondet_long() [L83] CALL assume_abort_if_not(var_1_16 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-255, var_1_11=257, var_1_12=10, var_1_13=-2147483648, var_1_14=-2147483648, var_1_15=1, var_1_16=-1, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-255, var_1_11=257, var_1_12=10, var_1_13=-2147483648, var_1_14=-2147483648, var_1_15=1, var_1_16=-1, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=4] [L83] RET assume_abort_if_not(var_1_16 >= -2147483648) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-255, var_1_11=257, var_1_12=10, var_1_13=-2147483648, var_1_14=-2147483648, var_1_15=1, var_1_16=-1, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=4] [L84] CALL assume_abort_if_not(var_1_16 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-255, var_1_11=257, var_1_12=10, var_1_13=-2147483648, var_1_14=-2147483648, var_1_15=1, var_1_16=-1, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-255, var_1_11=257, var_1_12=10, var_1_13=-2147483648, var_1_14=-2147483648, var_1_15=1, var_1_16=-1, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=4] [L84] RET assume_abort_if_not(var_1_16 <= 2147483647) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-255, var_1_11=257, var_1_12=10, var_1_13=-2147483648, var_1_14=-2147483648, var_1_15=1, var_1_16=-1, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=4] [L85] CALL assume_abort_if_not(var_1_16 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-255, var_1_11=257, var_1_12=10, var_1_13=-2147483648, var_1_14=-2147483648, var_1_15=1, var_1_16=-1, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-255, var_1_11=257, var_1_12=10, var_1_13=-2147483648, var_1_14=-2147483648, var_1_15=1, var_1_16=-1, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=4] [L85] RET assume_abort_if_not(var_1_16 != 0) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-255, var_1_11=257, var_1_12=10, var_1_13=-2147483648, var_1_14=-2147483648, var_1_15=1, var_1_16=-1, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=4] [L86] var_1_17 = __VERIFIER_nondet_ulong() [L87] CALL assume_abort_if_not(var_1_17 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-255, var_1_11=257, var_1_12=10, var_1_13=-2147483648, var_1_14=-2147483648, var_1_15=1, var_1_16=-1, var_1_17=2147483647, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-255, var_1_11=257, var_1_12=10, var_1_13=-2147483648, var_1_14=-2147483648, var_1_15=1, var_1_16=-1, var_1_17=2147483647, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=4] [L87] RET assume_abort_if_not(var_1_17 >= 2147483647) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-255, var_1_11=257, var_1_12=10, var_1_13=-2147483648, var_1_14=-2147483648, var_1_15=1, var_1_16=-1, var_1_17=2147483647, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=4] [L88] CALL assume_abort_if_not(var_1_17 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-255, var_1_11=257, var_1_12=10, var_1_13=-2147483648, var_1_14=-2147483648, var_1_15=1, var_1_16=-1, var_1_17=2147483647, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-255, var_1_11=257, var_1_12=10, var_1_13=-2147483648, var_1_14=-2147483648, var_1_15=1, var_1_16=-1, var_1_17=2147483647, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=4] [L88] RET assume_abort_if_not(var_1_17 <= 4294967294) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-255, var_1_11=257, var_1_12=10, var_1_13=-2147483648, var_1_14=-2147483648, var_1_15=1, var_1_16=-1, var_1_17=2147483647, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=4] [L103] RET updateVariables() [L104] CALL step() [L40] unsigned long int stepLocal_2 = last_1_var_1_12 / var_1_3; VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, stepLocal_2=0, var_1_10=-255, var_1_11=257, var_1_12=10, var_1_13=-2147483648, var_1_14=-2147483648, var_1_15=1, var_1_16=-1, var_1_17=2147483647, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=4] [L41] COND TRUE stepLocal_2 != (last_1_var_1_18 - 64) [L42] var_1_8 = ((((var_1_10) > (var_1_11)) ? (var_1_10) : (var_1_11))) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-255, var_1_11=257, var_1_12=10, var_1_13=-2147483648, var_1_14=-2147483648, var_1_15=1, var_1_16=-1, var_1_17=2147483647, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=1] [L46] COND TRUE (- (var_1_13 / 0.6f)) > ((var_1_14 + 3.25f) / ((((var_1_15) < (var_1_16)) ? (var_1_15) : (var_1_16)))) [L47] var_1_12 = (500u + ((((var_1_10) < (var_1_8)) ? (var_1_10) : (var_1_8)))) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-255, var_1_11=257, var_1_12=501, var_1_13=-2147483648, var_1_14=-2147483648, var_1_15=1, var_1_16=-1, var_1_17=2147483647, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=1] [L51] var_1_18 = var_1_11 [L52] var_1_7 = var_1_18 [L53] signed long int stepLocal_1 = - var_1_3; [L54] signed long int stepLocal_0 = var_1_7 / var_1_3; VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, stepLocal_0=0, stepLocal_1=-32767, var_1_10=-255, var_1_11=257, var_1_12=501, var_1_13=-2147483648, var_1_14=-2147483648, var_1_15=1, var_1_16=-1, var_1_17=2147483647, var_1_18=257, var_1_1=5, var_1_3=32767, var_1_7=1, var_1_8=1] [L55] COND FALSE !(stepLocal_0 >= var_1_7) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, stepLocal_1=-32767, var_1_10=-255, var_1_11=257, var_1_12=501, var_1_13=-2147483648, var_1_14=-2147483648, var_1_15=1, var_1_16=-1, var_1_17=2147483647, var_1_18=257, var_1_1=5, var_1_3=32767, var_1_7=1, var_1_8=1] [L104] RET step() [L105] CALL, EXPR property() [L95-L96] return ((((((var_1_7 / var_1_3) >= var_1_7) ? (((- var_1_3) > var_1_7) ? (var_1_1 == ((unsigned short int) ((((var_1_8) < (var_1_18)) ? (var_1_8) : (var_1_18))))) : 1) : 1) && (var_1_7 == ((unsigned short int) var_1_18))) && (((last_1_var_1_12 / var_1_3) != (last_1_var_1_18 - 64)) ? (var_1_8 == ((unsigned char) ((((var_1_10) > (var_1_11)) ? (var_1_10) : (var_1_11))))) : (var_1_8 == ((unsigned char) ((((var_1_11) < (var_1_10)) ? (var_1_11) : (var_1_10))))))) && (((- (var_1_13 / 0.6f)) > ((var_1_14 + 3.25f) / ((((var_1_15) < (var_1_16)) ? (var_1_15) : (var_1_16))))) ? (var_1_12 == ((unsigned long int) (500u + ((((var_1_10) < (var_1_8)) ? (var_1_10) : (var_1_8)))))) : (var_1_12 == ((unsigned long int) (var_1_17 - var_1_10))))) && (var_1_18 == ((unsigned char) var_1_11)) ; VAL [\result=0, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-255, var_1_11=257, var_1_12=501, var_1_13=-2147483648, var_1_14=-2147483648, var_1_15=1, var_1_16=-1, var_1_17=2147483647, var_1_18=257, var_1_1=5, var_1_3=32767, var_1_7=1, var_1_8=1] [L105] RET, EXPR property() [L105] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-255, var_1_11=257, var_1_12=501, var_1_13=-2147483648, var_1_14=-2147483648, var_1_15=1, var_1_16=-1, var_1_17=2147483647, var_1_18=257, var_1_1=5, var_1_3=32767, var_1_7=1, var_1_8=1] [L19] reach_error() VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-255, var_1_11=257, var_1_12=501, var_1_13=-2147483648, var_1_14=-2147483648, var_1_15=1, var_1_16=-1, var_1_17=2147483647, var_1_18=257, var_1_1=5, var_1_3=32767, var_1_7=1, var_1_8=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 51 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 7.0s, OverallIterations: 3, TraceHistogramMax: 19, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 92 SdHoareTripleChecker+Valid, 1.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 76 mSDsluCounter, 324 SdHoareTripleChecker+Invalid, 1.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 212 mSDsCounter, 91 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 496 IncrementalHoareTripleChecker+Invalid, 587 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 91 mSolverCounterUnsat, 112 mSDtfsCounter, 496 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 359 GetRequests, 335 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=85occurred in iteration=2, InterpolantAutomatonStates: 17, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 19 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 696 NumberOfCodeBlocks, 696 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 460 ConstructedInterpolants, 5 QuantifiedInterpolants, 3057 SizeOfPredicates, 5 NumberOfNonLiveVariables, 550 ConjunctsInSsa, 20 ConjunctsInUnsatCore, 4 InterpolantComputations, 1 PerfectInterpolantSequences, 2604/2736 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 [2024-12-02 11:08:53,728 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13d266e-7e40-4c16-be7f-13fdec7424b2/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13d266e-7e40-4c16-be7f-13fdec7424b2/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13d266e-7e40-4c16-be7f-13fdec7424b2/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13d266e-7e40-4c16-be7f-13fdec7424b2/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13d266e-7e40-4c16-be7f-13fdec7424b2/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-4.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13d266e-7e40-4c16-be7f-13fdec7424b2/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13d266e-7e40-4c16-be7f-13fdec7424b2/bin/uautomizer-verify-84ZbGMXZE1 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d641f0fce6003e45544d7b313fe1ff9fa273efb3a1cdf3caa63db5b3b8db2e1d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 11:08:55,645 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 11:08:55,718 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13d266e-7e40-4c16-be7f-13fdec7424b2/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-12-02 11:08:55,723 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 11:08:55,724 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 11:08:55,744 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 11:08:55,745 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 11:08:55,745 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 11:08:55,745 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 11:08:55,745 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 11:08:55,746 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 11:08:55,746 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 11:08:55,746 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 11:08:55,746 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 11:08:55,746 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 11:08:55,746 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 11:08:55,746 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 11:08:55,747 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 11:08:55,747 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 11:08:55,747 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 11:08:55,747 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 11:08:55,747 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 11:08:55,747 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 11:08:55,747 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-02 11:08:55,747 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-02 11:08:55,747 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-02 11:08:55,747 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 11:08:55,747 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 11:08:55,747 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 11:08:55,748 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 11:08:55,748 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 11:08:55,748 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 11:08:55,748 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 11:08:55,748 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 11:08:55,748 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 11:08:55,748 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 11:08:55,748 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 11:08:55,748 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 11:08:55,748 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 11:08:55,748 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 11:08:55,748 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 11:08:55,749 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 11:08:55,749 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 11:08:55,749 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 11:08:55,749 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-12-02 11:08:55,749 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-02 11:08:55,749 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 11:08:55,749 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 11:08:55,749 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 11:08:55,749 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 11:08:55,749 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_f13d266e-7e40-4c16-be7f-13fdec7424b2/bin/uautomizer-verify-84ZbGMXZE1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d641f0fce6003e45544d7b313fe1ff9fa273efb3a1cdf3caa63db5b3b8db2e1d [2024-12-02 11:08:55,990 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 11:08:55,998 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 11:08:56,000 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 11:08:56,002 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 11:08:56,002 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 11:08:56,004 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13d266e-7e40-4c16-be7f-13fdec7424b2/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-4.i [2024-12-02 11:08:58,682 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13d266e-7e40-4c16-be7f-13fdec7424b2/bin/uautomizer-verify-84ZbGMXZE1/data/e80150fb1/d752bc0d37ac40d68445840ec079825d/FLAGe784ba07c [2024-12-02 11:08:58,853 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 11:08:58,854 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13d266e-7e40-4c16-be7f-13fdec7424b2/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-4.i [2024-12-02 11:08:58,862 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13d266e-7e40-4c16-be7f-13fdec7424b2/bin/uautomizer-verify-84ZbGMXZE1/data/e80150fb1/d752bc0d37ac40d68445840ec079825d/FLAGe784ba07c [2024-12-02 11:08:58,877 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13d266e-7e40-4c16-be7f-13fdec7424b2/bin/uautomizer-verify-84ZbGMXZE1/data/e80150fb1/d752bc0d37ac40d68445840ec079825d [2024-12-02 11:08:58,880 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 11:08:58,881 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 11:08:58,883 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 11:08:58,883 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 11:08:58,887 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 11:08:58,888 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:08:58" (1/1) ... [2024-12-02 11:08:58,889 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c522294 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:08:58, skipping insertion in model container [2024-12-02 11:08:58,889 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:08:58" (1/1) ... [2024-12-02 11:08:58,905 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 11:08:59,038 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_f13d266e-7e40-4c16-be7f-13fdec7424b2/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-4.i[915,928] [2024-12-02 11:08:59,075 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 11:08:59,089 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 11:08:59,100 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_f13d266e-7e40-4c16-be7f-13fdec7424b2/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-4.i[915,928] [2024-12-02 11:08:59,121 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 11:08:59,137 INFO L204 MainTranslator]: Completed translation [2024-12-02 11:08:59,138 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:08:59 WrapperNode [2024-12-02 11:08:59,138 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 11:08:59,139 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 11:08:59,139 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 11:08:59,139 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 11:08:59,145 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:08:59" (1/1) ... [2024-12-02 11:08:59,154 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:08:59" (1/1) ... [2024-12-02 11:08:59,173 INFO L138 Inliner]: procedures = 27, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 107 [2024-12-02 11:08:59,174 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 11:08:59,174 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 11:08:59,174 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 11:08:59,174 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 11:08:59,183 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:08:59" (1/1) ... [2024-12-02 11:08:59,183 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:08:59" (1/1) ... [2024-12-02 11:08:59,186 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:08:59" (1/1) ... [2024-12-02 11:08:59,195 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-12-02 11:08:59,195 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:08:59" (1/1) ... [2024-12-02 11:08:59,195 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:08:59" (1/1) ... [2024-12-02 11:08:59,203 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:08:59" (1/1) ... [2024-12-02 11:08:59,204 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:08:59" (1/1) ... [2024-12-02 11:08:59,207 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:08:59" (1/1) ... [2024-12-02 11:08:59,209 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:08:59" (1/1) ... [2024-12-02 11:08:59,210 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:08:59" (1/1) ... [2024-12-02 11:08:59,213 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 11:08:59,214 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 11:08:59,214 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 11:08:59,214 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 11:08:59,215 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:08:59" (1/1) ... [2024-12-02 11:08:59,220 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 11:08:59,233 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13d266e-7e40-4c16-be7f-13fdec7424b2/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 11:08:59,245 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13d266e-7e40-4c16-be7f-13fdec7424b2/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 11:08:59,248 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13d266e-7e40-4c16-be7f-13fdec7424b2/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 11:08:59,273 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 11:08:59,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-12-02 11:08:59,273 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 11:08:59,273 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 11:08:59,273 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 11:08:59,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 11:08:59,346 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 11:08:59,348 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 11:09:11,810 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-12-02 11:09:11,810 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 11:09:11,818 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 11:09:11,819 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 11:09:11,819 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:09:11 BoogieIcfgContainer [2024-12-02 11:09:11,819 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 11:09:11,821 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 11:09:11,821 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 11:09:11,825 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 11:09:11,825 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 11:08:58" (1/3) ... [2024-12-02 11:09:11,825 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4510dd9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 11:09:11, skipping insertion in model container [2024-12-02 11:09:11,826 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:08:59" (2/3) ... [2024-12-02 11:09:11,826 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4510dd9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 11:09:11, skipping insertion in model container [2024-12-02 11:09:11,826 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:09:11" (3/3) ... [2024-12-02 11:09:11,827 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-4.i [2024-12-02 11:09:11,837 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 11:09:11,838 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_floatingpointinfluence_no-floats_file-4.i that has 2 procedures, 51 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 11:09:11,879 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 11:09:11,888 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;@36c5f3c4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 11:09:11,888 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 11:09:11,891 INFO L276 IsEmpty]: Start isEmpty. Operand has 51 states, 29 states have (on average 1.3103448275862069) internal successors, (38), 30 states have internal predecessors, (38), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-12-02 11:09:11,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-12-02 11:09:11,898 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:09:11,899 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] [2024-12-02 11:09:11,900 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:09:11,903 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:09:11,903 INFO L85 PathProgramCache]: Analyzing trace with hash 1605082745, now seen corresponding path program 1 times [2024-12-02 11:09:11,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 11:09:11,913 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1632708149] [2024-12-02 11:09:11,913 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:09:11,914 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 11:09:11,914 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13d266e-7e40-4c16-be7f-13fdec7424b2/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 11:09:11,916 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13d266e-7e40-4c16-be7f-13fdec7424b2/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 11:09:11,917 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13d266e-7e40-4c16-be7f-13fdec7424b2/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-12-02 11:09:12,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:09:12,439 INFO L256 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 11:09:12,444 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:09:12,478 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 356 proven. 0 refuted. 0 times theorem prover too weak. 328 trivial. 0 not checked. [2024-12-02 11:09:12,479 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 11:09:12,479 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 11:09:12,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1632708149] [2024-12-02 11:09:12,480 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1632708149] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:09:12,480 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:09:12,480 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 11:09:12,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1832269935] [2024-12-02 11:09:12,482 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:09:12,485 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 11:09:12,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 11:09:12,501 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 11:09:12,501 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 11:09:12,503 INFO L87 Difference]: Start difference. First operand has 51 states, 29 states have (on average 1.3103448275862069) internal successors, (38), 30 states have internal predecessors, (38), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-12-02 11:09:12,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:09:12,526 INFO L93 Difference]: Finished difference Result 95 states and 165 transitions. [2024-12-02 11:09:12,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 11:09:12,528 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 116 [2024-12-02 11:09:12,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:09:12,534 INFO L225 Difference]: With dead ends: 95 [2024-12-02 11:09:12,534 INFO L226 Difference]: Without dead ends: 47 [2024-12-02 11:09:12,537 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 11:09:12,539 INFO L435 NwaCegarLoop]: 69 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 11:09:12,540 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 11:09:12,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2024-12-02 11:09:12,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2024-12-02 11:09:12,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 26 states have (on average 1.1923076923076923) internal successors, (31), 26 states have internal predecessors, (31), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-12-02 11:09:12,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 69 transitions. [2024-12-02 11:09:12,577 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 69 transitions. Word has length 116 [2024-12-02 11:09:12,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:09:12,577 INFO L471 AbstractCegarLoop]: Abstraction has 47 states and 69 transitions. [2024-12-02 11:09:12,577 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (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) [2024-12-02 11:09:12,578 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 69 transitions. [2024-12-02 11:09:12,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-12-02 11:09:12,580 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:09:12,580 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] [2024-12-02 11:09:12,594 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13d266e-7e40-4c16-be7f-13fdec7424b2/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-12-02 11:09:12,781 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13d266e-7e40-4c16-be7f-13fdec7424b2/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 11:09:12,781 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:09:12,782 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:09:12,782 INFO L85 PathProgramCache]: Analyzing trace with hash -741041665, now seen corresponding path program 1 times [2024-12-02 11:09:12,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 11:09:12,783 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1482494998] [2024-12-02 11:09:12,783 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:09:12,783 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 11:09:12,783 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13d266e-7e40-4c16-be7f-13fdec7424b2/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 11:09:12,784 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13d266e-7e40-4c16-be7f-13fdec7424b2/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 11:09:12,785 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13d266e-7e40-4c16-be7f-13fdec7424b2/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-12-02 11:09:13,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:09:13,264 INFO L256 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-02 11:09:13,270 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:09:18,122 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 150 proven. 48 refuted. 0 times theorem prover too weak. 486 trivial. 0 not checked. [2024-12-02 11:09:18,123 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 11:09:20,101 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 11:09:20,101 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1482494998] [2024-12-02 11:09:20,101 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1482494998] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 11:09:20,101 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1046703186] [2024-12-02 11:09:20,101 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:09:20,101 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-02 11:09:20,102 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13d266e-7e40-4c16-be7f-13fdec7424b2/bin/uautomizer-verify-84ZbGMXZE1/cvc4 [2024-12-02 11:09:20,104 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13d266e-7e40-4c16-be7f-13fdec7424b2/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-02 11:09:20,105 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13d266e-7e40-4c16-be7f-13fdec7424b2/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-02 11:09:20,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:09:20,786 INFO L256 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-02 11:09:20,789 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:09:23,725 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-12-02 11:09:23,725 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 11:09:23,725 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1046703186] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:09:23,725 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 11:09:23,726 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 8 [2024-12-02 11:09:23,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [867508277] [2024-12-02 11:09:23,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:09:23,727 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 11:09:23,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 11:09:23,728 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 11:09:23,728 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2024-12-02 11:09:23,728 INFO L87 Difference]: Start difference. First operand 47 states and 69 transitions. Second operand has 5 states, 5 states have (on average 4.8) internal successors, (24), 4 states have internal predecessors, (24), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-12-02 11:09:29,699 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 11:09:33,884 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.18s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 11:09:38,092 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.14s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 11:09:42,100 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-02 11:09:46,110 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 11:09:50,383 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 11:09:54,561 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.18s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 11:09:58,750 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.19s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-02 11:10:02,756 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 11:10:06,763 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 11:10:06,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:10:06,763 INFO L93 Difference]: Finished difference Result 136 states and 202 transitions. [2024-12-02 11:10:06,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 11:10:06,825 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 4 states have internal predecessors, (24), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 116 [2024-12-02 11:10:06,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:10:06,826 INFO L225 Difference]: With dead ends: 136 [2024-12-02 11:10:06,827 INFO L226 Difference]: Without dead ends: 92 [2024-12-02 11:10:06,827 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 329 GetRequests, 317 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=50, Invalid=132, Unknown=0, NotChecked=0, Total=182 [2024-12-02 11:10:06,828 INFO L435 NwaCegarLoop]: 66 mSDtfsCounter, 31 mSDsluCounter, 146 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 39 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 42.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 212 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 42.6s IncrementalHoareTripleChecker+Time [2024-12-02 11:10:06,829 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 212 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 53 Invalid, 10 Unknown, 0 Unchecked, 42.6s Time] [2024-12-02 11:10:06,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2024-12-02 11:10:06,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 81. [2024-12-02 11:10:06,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 40 states have (on average 1.125) internal successors, (45), 40 states have internal predecessors, (45), 38 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-12-02 11:10:06,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 121 transitions. [2024-12-02 11:10:06,848 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 121 transitions. Word has length 116 [2024-12-02 11:10:06,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:10:06,848 INFO L471 AbstractCegarLoop]: Abstraction has 81 states and 121 transitions. [2024-12-02 11:10:06,848 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 4 states have internal predecessors, (24), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-12-02 11:10:06,849 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 121 transitions. [2024-12-02 11:10:06,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-12-02 11:10:06,850 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:10:06,850 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] [2024-12-02 11:10:06,856 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13d266e-7e40-4c16-be7f-13fdec7424b2/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-02 11:10:07,060 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13d266e-7e40-4c16-be7f-13fdec7424b2/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-12-02 11:10:07,251 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13d266e-7e40-4c16-be7f-13fdec7424b2/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13d266e-7e40-4c16-be7f-13fdec7424b2/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 11:10:07,251 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:10:07,251 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:10:07,252 INFO L85 PathProgramCache]: Analyzing trace with hash 68304961, now seen corresponding path program 1 times [2024-12-02 11:10:07,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 11:10:07,252 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [49221405] [2024-12-02 11:10:07,252 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:10:07,252 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 11:10:07,252 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13d266e-7e40-4c16-be7f-13fdec7424b2/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 11:10:07,254 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13d266e-7e40-4c16-be7f-13fdec7424b2/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 11:10:07,255 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13d266e-7e40-4c16-be7f-13fdec7424b2/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-12-02 11:10:07,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:10:07,698 INFO L256 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-02 11:10:07,701 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:10:19,999 WARN L286 SmtUtils]: Spent 8.31s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 11:10:28,292 WARN L286 SmtUtils]: Spent 8.29s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 11:10:36,592 WARN L286 SmtUtils]: Spent 8.30s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 11:10:44,896 WARN L286 SmtUtils]: Spent 8.30s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 11:10:53,189 WARN L286 SmtUtils]: Spent 8.29s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 11:11:01,485 WARN L286 SmtUtils]: Spent 8.30s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 11:11:09,859 WARN L286 SmtUtils]: Spent 8.37s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 11:11:18,155 WARN L286 SmtUtils]: Spent 8.29s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 11:11:26,451 WARN L286 SmtUtils]: Spent 8.30s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 11:11:34,742 WARN L286 SmtUtils]: Spent 8.29s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 11:11:43,048 WARN L286 SmtUtils]: Spent 8.31s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 11:11:51,343 WARN L286 SmtUtils]: Spent 8.29s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 11:11:59,463 WARN L286 SmtUtils]: Spent 8.12s on a formula simplification that was a NOOP. DAG size: 16 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 11:12:07,586 WARN L286 SmtUtils]: Spent 8.12s on a formula simplification that was a NOOP. DAG size: 16 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 11:12:15,882 WARN L286 SmtUtils]: Spent 8.30s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 11:12:19,970 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse3 ((_ sign_extend 16) c_~var_1_3~0)) (.cse2 ((_ zero_extend 24) c_~var_1_10~0))) (and (= c_~last_1_var_1_18~0 (_ bv0 8)) (let ((.cse0 ((_ zero_extend 24) c_~var_1_11~0))) (let ((.cse1 (bvsgt .cse2 .cse0))) (or (and (= ((_ extract 7 0) .cse0) c_~var_1_8~0) (not .cse1)) (and (= ((_ extract 7 0) .cse2) c_~var_1_8~0) .cse1)))) (not (= (_ bv0 32) .cse3)) (let ((.cse4 (bvslt c_~var_1_15~0 c_~var_1_16~0)) (.cse5 (fp.neg (fp.div c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_13~0) ((_ to_fp 8 24) c_currentRoundingMode (/ 3.0 5.0))))) (.cse6 (fp.add c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_14~0) ((_ to_fp 8 24) c_currentRoundingMode (/ 13.0 4.0))))) (or (and (not .cse4) (fp.gt .cse5 (fp.div c_currentRoundingMode .cse6 ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_16~0)))) (and .cse4 (fp.gt .cse5 (fp.div c_currentRoundingMode .cse6 ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_15~0)))))) (not (= (_ bv0 32) (bvadd (bvudiv c_~last_1_var_1_12~0 .cse3) (_ bv64 32)))) (let ((.cse8 ((_ zero_extend 24) c_~var_1_8~0))) (let ((.cse7 (bvslt .cse2 .cse8))) (or (and (not .cse7) (= c_~var_1_12~0 (bvadd (_ bv500 32) .cse8))) (and .cse7 (= (bvadd (_ bv500 32) .cse2) c_~var_1_12~0))))))) is different from false [2024-12-02 11:12:24,055 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse3 ((_ sign_extend 16) c_~var_1_3~0)) (.cse2 ((_ zero_extend 24) c_~var_1_10~0))) (and (= c_~last_1_var_1_18~0 (_ bv0 8)) (let ((.cse0 ((_ zero_extend 24) c_~var_1_11~0))) (let ((.cse1 (bvsgt .cse2 .cse0))) (or (and (= ((_ extract 7 0) .cse0) c_~var_1_8~0) (not .cse1)) (and (= ((_ extract 7 0) .cse2) c_~var_1_8~0) .cse1)))) (not (= (_ bv0 32) .cse3)) (let ((.cse4 (bvslt c_~var_1_15~0 c_~var_1_16~0)) (.cse5 (fp.neg (fp.div c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_13~0) ((_ to_fp 8 24) c_currentRoundingMode (/ 3.0 5.0))))) (.cse6 (fp.add c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_14~0) ((_ to_fp 8 24) c_currentRoundingMode (/ 13.0 4.0))))) (or (and (not .cse4) (fp.gt .cse5 (fp.div c_currentRoundingMode .cse6 ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_16~0)))) (and .cse4 (fp.gt .cse5 (fp.div c_currentRoundingMode .cse6 ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_15~0)))))) (not (= (_ bv0 32) (bvadd (bvudiv c_~last_1_var_1_12~0 .cse3) (_ bv64 32)))) (let ((.cse8 ((_ zero_extend 24) c_~var_1_8~0))) (let ((.cse7 (bvslt .cse2 .cse8))) (or (and (not .cse7) (= c_~var_1_12~0 (bvadd (_ bv500 32) .cse8))) (and .cse7 (= (bvadd (_ bv500 32) .cse2) c_~var_1_12~0))))))) is different from true [2024-12-02 11:12:32,399 WARN L286 SmtUtils]: Spent 8.33s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 11:12:40,723 WARN L286 SmtUtils]: Spent 8.32s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 11:12:49,073 WARN L286 SmtUtils]: Spent 8.35s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 11:12:57,444 WARN L286 SmtUtils]: Spent 8.37s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 11:13:05,758 WARN L286 SmtUtils]: Spent 8.31s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 11:13:14,147 WARN L286 SmtUtils]: Spent 8.39s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 11:13:22,492 WARN L286 SmtUtils]: Spent 8.34s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 11:13:30,810 WARN L286 SmtUtils]: Spent 8.32s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 11:13:39,178 WARN L286 SmtUtils]: Spent 8.37s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 11:13:47,613 WARN L286 SmtUtils]: Spent 8.43s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 11:13:56,103 WARN L286 SmtUtils]: Spent 8.49s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 11:14:04,563 WARN L286 SmtUtils]: Spent 8.46s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 11:14:12,940 WARN L286 SmtUtils]: Spent 8.38s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 11:14:21,297 WARN L286 SmtUtils]: Spent 8.36s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 11:14:29,622 WARN L286 SmtUtils]: Spent 8.32s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 11:14:37,760 WARN L286 SmtUtils]: Spent 8.14s on a formula simplification that was a NOOP. DAG size: 16 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 11:14:45,898 WARN L286 SmtUtils]: Spent 8.14s on a formula simplification that was a NOOP. DAG size: 16 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 11:14:54,223 WARN L286 SmtUtils]: Spent 8.32s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 11:14:58,325 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse3 ((_ sign_extend 16) c_~var_1_3~0)) (.cse2 ((_ zero_extend 24) c_~var_1_10~0))) (and (= c_~last_1_var_1_18~0 (_ bv0 8)) (= c_~var_1_18~0 c_~var_1_11~0) (let ((.cse0 ((_ zero_extend 24) c_~var_1_11~0))) (let ((.cse1 (bvsgt .cse2 .cse0))) (or (and (= ((_ extract 7 0) .cse0) c_~var_1_8~0) (not .cse1)) (and (= ((_ extract 7 0) .cse2) c_~var_1_8~0) .cse1)))) (not (= (_ bv0 32) .cse3)) (let ((.cse4 (bvslt c_~var_1_15~0 c_~var_1_16~0)) (.cse5 (fp.neg (fp.div c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_13~0) ((_ to_fp 8 24) c_currentRoundingMode (/ 3.0 5.0))))) (.cse6 (fp.add c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_14~0) ((_ to_fp 8 24) c_currentRoundingMode (/ 13.0 4.0))))) (or (and (not .cse4) (fp.gt .cse5 (fp.div c_currentRoundingMode .cse6 ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_16~0)))) (and .cse4 (fp.gt .cse5 (fp.div c_currentRoundingMode .cse6 ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_15~0)))))) (not (= (_ bv0 32) (bvadd (bvudiv c_~last_1_var_1_12~0 .cse3) (_ bv64 32)))) (= ((_ zero_extend 8) c_~var_1_18~0) c_~var_1_7~0) (= (bvsdiv ((_ zero_extend 16) c_~var_1_7~0) .cse3) |c_ULTIMATE.start_step_~stepLocal_0~0#1|) (let ((.cse8 ((_ zero_extend 24) c_~var_1_8~0))) (let ((.cse7 (bvslt .cse2 .cse8))) (or (and (not .cse7) (= c_~var_1_12~0 (bvadd (_ bv500 32) .cse8))) (and .cse7 (= (bvadd (_ bv500 32) .cse2) c_~var_1_12~0))))))) is different from false [2024-12-02 11:15:02,425 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse3 ((_ sign_extend 16) c_~var_1_3~0)) (.cse2 ((_ zero_extend 24) c_~var_1_10~0))) (and (= c_~last_1_var_1_18~0 (_ bv0 8)) (= c_~var_1_18~0 c_~var_1_11~0) (let ((.cse0 ((_ zero_extend 24) c_~var_1_11~0))) (let ((.cse1 (bvsgt .cse2 .cse0))) (or (and (= ((_ extract 7 0) .cse0) c_~var_1_8~0) (not .cse1)) (and (= ((_ extract 7 0) .cse2) c_~var_1_8~0) .cse1)))) (not (= (_ bv0 32) .cse3)) (let ((.cse4 (bvslt c_~var_1_15~0 c_~var_1_16~0)) (.cse5 (fp.neg (fp.div c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_13~0) ((_ to_fp 8 24) c_currentRoundingMode (/ 3.0 5.0))))) (.cse6 (fp.add c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_14~0) ((_ to_fp 8 24) c_currentRoundingMode (/ 13.0 4.0))))) (or (and (not .cse4) (fp.gt .cse5 (fp.div c_currentRoundingMode .cse6 ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_16~0)))) (and .cse4 (fp.gt .cse5 (fp.div c_currentRoundingMode .cse6 ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_15~0)))))) (not (= (_ bv0 32) (bvadd (bvudiv c_~last_1_var_1_12~0 .cse3) (_ bv64 32)))) (= ((_ zero_extend 8) c_~var_1_18~0) c_~var_1_7~0) (= (bvsdiv ((_ zero_extend 16) c_~var_1_7~0) .cse3) |c_ULTIMATE.start_step_~stepLocal_0~0#1|) (let ((.cse8 ((_ zero_extend 24) c_~var_1_8~0))) (let ((.cse7 (bvslt .cse2 .cse8))) (or (and (not .cse7) (= c_~var_1_12~0 (bvadd (_ bv500 32) .cse8))) (and .cse7 (= (bvadd (_ bv500 32) .cse2) c_~var_1_12~0))))))) is different from true [2024-12-02 11:15:10,768 WARN L286 SmtUtils]: Spent 8.33s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 11:15:19,108 WARN L286 SmtUtils]: Spent 8.34s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 11:15:27,453 WARN L286 SmtUtils]: Spent 8.34s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 11:15:40,294 WARN L286 SmtUtils]: Spent 8.35s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 11:15:48,641 WARN L286 SmtUtils]: Spent 8.35s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 11:15:56,987 WARN L286 SmtUtils]: Spent 8.35s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 11:16:05,339 WARN L286 SmtUtils]: Spent 8.35s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 11:16:13,735 WARN L286 SmtUtils]: Spent 8.40s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 11:16:22,082 WARN L286 SmtUtils]: Spent 8.35s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 11:16:30,439 WARN L286 SmtUtils]: Spent 8.36s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 11:16:38,807 WARN L286 SmtUtils]: Spent 8.37s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 11:16:47,166 WARN L286 SmtUtils]: Spent 8.36s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 11:16:55,684 WARN L286 SmtUtils]: Spent 8.52s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 11:17:04,054 WARN L286 SmtUtils]: Spent 8.37s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 11:17:12,218 WARN L286 SmtUtils]: Spent 8.16s on a formula simplification that was a NOOP. DAG size: 16 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 11:17:20,381 WARN L286 SmtUtils]: Spent 8.16s on a formula simplification that was a NOOP. DAG size: 16 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 11:17:28,726 WARN L286 SmtUtils]: Spent 8.34s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 11:17:32,839 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ zero_extend 24) c_~var_1_10~0)) (.cse4 ((_ sign_extend 16) c_~var_1_3~0))) (and (or (let ((.cse1 ((_ zero_extend 24) c_~var_1_8~0))) (and (not (bvslt .cse0 .cse1)) (= c_~var_1_12~0 (bvadd (_ bv500 32) .cse1)))) (= (bvadd (_ bv500 32) .cse0) c_~var_1_12~0)) (= c_~last_1_var_1_18~0 (_ bv0 8)) (= c_~var_1_18~0 c_~var_1_11~0) (let ((.cse2 ((_ zero_extend 24) c_~var_1_11~0))) (let ((.cse3 (bvsgt .cse0 .cse2))) (or (and (= ((_ extract 7 0) .cse2) c_~var_1_8~0) (not .cse3)) (and (= ((_ extract 7 0) .cse0) c_~var_1_8~0) .cse3)))) (not (= (_ bv0 32) .cse4)) (let ((.cse5 (bvslt c_~var_1_15~0 c_~var_1_16~0)) (.cse6 (fp.neg (fp.div c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_13~0) ((_ to_fp 8 24) c_currentRoundingMode (/ 3.0 5.0))))) (.cse7 (fp.add c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_14~0) ((_ to_fp 8 24) c_currentRoundingMode (/ 13.0 4.0))))) (or (and (not .cse5) (fp.gt .cse6 (fp.div c_currentRoundingMode .cse7 ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_16~0)))) (and .cse5 (fp.gt .cse6 (fp.div c_currentRoundingMode .cse7 ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_15~0)))))) (not (= (_ bv0 32) (bvadd (bvudiv c_~last_1_var_1_12~0 .cse4) (_ bv64 32)))) (= ((_ zero_extend 8) c_~var_1_18~0) c_~var_1_7~0) (not (let ((.cse8 ((_ zero_extend 16) c_~var_1_7~0))) (bvsge (bvsdiv .cse8 .cse4) .cse8))))) is different from false [2024-12-02 11:17:36,941 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ zero_extend 24) c_~var_1_10~0)) (.cse4 ((_ sign_extend 16) c_~var_1_3~0))) (and (or (let ((.cse1 ((_ zero_extend 24) c_~var_1_8~0))) (and (not (bvslt .cse0 .cse1)) (= c_~var_1_12~0 (bvadd (_ bv500 32) .cse1)))) (= (bvadd (_ bv500 32) .cse0) c_~var_1_12~0)) (= c_~last_1_var_1_18~0 (_ bv0 8)) (= c_~var_1_18~0 c_~var_1_11~0) (let ((.cse2 ((_ zero_extend 24) c_~var_1_11~0))) (let ((.cse3 (bvsgt .cse0 .cse2))) (or (and (= ((_ extract 7 0) .cse2) c_~var_1_8~0) (not .cse3)) (and (= ((_ extract 7 0) .cse0) c_~var_1_8~0) .cse3)))) (not (= (_ bv0 32) .cse4)) (let ((.cse5 (bvslt c_~var_1_15~0 c_~var_1_16~0)) (.cse6 (fp.neg (fp.div c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_13~0) ((_ to_fp 8 24) c_currentRoundingMode (/ 3.0 5.0))))) (.cse7 (fp.add c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_14~0) ((_ to_fp 8 24) c_currentRoundingMode (/ 13.0 4.0))))) (or (and (not .cse5) (fp.gt .cse6 (fp.div c_currentRoundingMode .cse7 ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_16~0)))) (and .cse5 (fp.gt .cse6 (fp.div c_currentRoundingMode .cse7 ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_15~0)))))) (not (= (_ bv0 32) (bvadd (bvudiv c_~last_1_var_1_12~0 .cse4) (_ bv64 32)))) (= ((_ zero_extend 8) c_~var_1_18~0) c_~var_1_7~0) (not (let ((.cse8 ((_ zero_extend 16) c_~var_1_7~0))) (bvsge (bvsdiv .cse8 .cse4) .cse8))))) is different from true