./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-41.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1153b0f-ba2e-48e6-8090-559fe2438120/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1153b0f-ba2e-48e6-8090-559fe2438120/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1153b0f-ba2e-48e6-8090-559fe2438120/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1153b0f-ba2e-48e6-8090-559fe2438120/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-41.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1153b0f-ba2e-48e6-8090-559fe2438120/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1153b0f-ba2e-48e6-8090-559fe2438120/bin/uautomizer-verify-VRDe98Ueme --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 521a7b23bb41076c0af28c4cc3c2330626cca2c8b416fc98ef78b6e64d1f37d0 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 11:54:11,506 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 11:54:11,659 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1153b0f-ba2e-48e6-8090-559fe2438120/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-26 11:54:11,677 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 11:54:11,678 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 11:54:11,740 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 11:54:11,741 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 11:54:11,742 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 11:54:11,743 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 11:54:11,749 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 11:54:11,750 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 11:54:11,750 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 11:54:11,751 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 11:54:11,753 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 11:54:11,754 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 11:54:11,755 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 11:54:11,755 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 11:54:11,756 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 11:54:11,757 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 11:54:11,757 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 11:54:11,758 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 11:54:11,759 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 11:54:11,759 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 11:54:11,760 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 11:54:11,760 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 11:54:11,761 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 11:54:11,761 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 11:54:11,762 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 11:54:11,763 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 11:54:11,764 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 11:54:11,766 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 11:54:11,766 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:54:11,766 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 11:54:11,767 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 11:54:11,767 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 11:54:11,767 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 11:54:11,768 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 11:54:11,768 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 11:54:11,768 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 11:54:11,769 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 11:54:11,769 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 11:54:11,769 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 11:54:11,770 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1153b0f-ba2e-48e6-8090-559fe2438120/bin/uautomizer-verify-VRDe98Ueme/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1153b0f-ba2e-48e6-8090-559fe2438120/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 521a7b23bb41076c0af28c4cc3c2330626cca2c8b416fc98ef78b6e64d1f37d0 [2023-11-26 11:54:12,173 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 11:54:12,220 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 11:54:12,224 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 11:54:12,226 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 11:54:12,227 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 11:54:12,229 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1153b0f-ba2e-48e6-8090-559fe2438120/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-41.i [2023-11-26 11:54:16,200 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 11:54:16,596 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 11:54:16,597 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1153b0f-ba2e-48e6-8090-559fe2438120/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-41.i [2023-11-26 11:54:16,609 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1153b0f-ba2e-48e6-8090-559fe2438120/bin/uautomizer-verify-VRDe98Ueme/data/e1c571998/27d475afd31946388cff53ea169d3d8b/FLAGd534b1d1d [2023-11-26 11:54:16,629 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1153b0f-ba2e-48e6-8090-559fe2438120/bin/uautomizer-verify-VRDe98Ueme/data/e1c571998/27d475afd31946388cff53ea169d3d8b [2023-11-26 11:54:16,632 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 11:54:16,635 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 11:54:16,636 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 11:54:16,637 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 11:54:16,644 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 11:54:16,645 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:54:16" (1/1) ... [2023-11-26 11:54:16,646 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@695c8544 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:54:16, skipping insertion in model container [2023-11-26 11:54:16,647 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:54:16" (1/1) ... [2023-11-26 11:54:16,685 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 11:54:16,887 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1153b0f-ba2e-48e6-8090-559fe2438120/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-41.i[917,930] [2023-11-26 11:54:16,933 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:54:16,947 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 11:54:16,962 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1153b0f-ba2e-48e6-8090-559fe2438120/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-41.i[917,930] [2023-11-26 11:54:16,987 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:54:17,009 INFO L206 MainTranslator]: Completed translation [2023-11-26 11:54:17,010 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:54:17 WrapperNode [2023-11-26 11:54:17,010 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 11:54:17,012 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 11:54:17,012 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 11:54:17,013 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 11:54:17,022 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:54:17" (1/1) ... [2023-11-26 11:54:17,034 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:54:17" (1/1) ... [2023-11-26 11:54:17,094 INFO L138 Inliner]: procedures = 26, calls = 27, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 104 [2023-11-26 11:54:17,094 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 11:54:17,095 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 11:54:17,095 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 11:54:17,096 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 11:54:17,109 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:54:17" (1/1) ... [2023-11-26 11:54:17,110 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:54:17" (1/1) ... [2023-11-26 11:54:17,114 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:54:17" (1/1) ... [2023-11-26 11:54:17,146 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]. [2023-11-26 11:54:17,155 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:54:17" (1/1) ... [2023-11-26 11:54:17,156 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:54:17" (1/1) ... [2023-11-26 11:54:17,163 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:54:17" (1/1) ... [2023-11-26 11:54:17,178 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:54:17" (1/1) ... [2023-11-26 11:54:17,180 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:54:17" (1/1) ... [2023-11-26 11:54:17,188 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:54:17" (1/1) ... [2023-11-26 11:54:17,191 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 11:54:17,192 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 11:54:17,195 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 11:54:17,195 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 11:54:17,196 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:54:17" (1/1) ... [2023-11-26 11:54:17,202 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:54:17,215 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1153b0f-ba2e-48e6-8090-559fe2438120/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:54:17,234 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1153b0f-ba2e-48e6-8090-559fe2438120/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 11:54:17,257 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1153b0f-ba2e-48e6-8090-559fe2438120/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 11:54:17,285 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 11:54:17,285 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-26 11:54:17,285 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-26 11:54:17,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-26 11:54:17,286 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 11:54:17,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 11:54:17,370 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 11:54:17,373 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 11:54:17,735 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 11:54:17,792 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 11:54:17,793 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-26 11:54:17,793 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:54:17 BoogieIcfgContainer [2023-11-26 11:54:17,794 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 11:54:17,797 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 11:54:17,798 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 11:54:17,803 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 11:54:17,803 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 11:54:16" (1/3) ... [2023-11-26 11:54:17,816 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5614ec3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:54:17, skipping insertion in model container [2023-11-26 11:54:17,817 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:54:17" (2/3) ... [2023-11-26 11:54:17,818 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5614ec3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:54:17, skipping insertion in model container [2023-11-26 11:54:17,818 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:54:17" (3/3) ... [2023-11-26 11:54:17,820 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-41.i [2023-11-26 11:54:17,846 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 11:54:17,847 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-26 11:54:17,923 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 11:54:17,938 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3633e142, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 11:54:17,938 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-26 11:54:17,944 INFO L276 IsEmpty]: Start isEmpty. Operand has 42 states, 25 states have (on average 1.44) internal successors, (36), 26 states have internal predecessors, (36), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-26 11:54:17,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2023-11-26 11:54:17,964 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:54:17,966 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:54:17,968 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:54:17,978 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:54:17,979 INFO L85 PathProgramCache]: Analyzing trace with hash 2115196599, now seen corresponding path program 1 times [2023-11-26 11:54:17,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:54:17,993 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [843161561] [2023-11-26 11:54:17,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:54:17,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:54:18,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:54:18,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-26 11:54:18,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:54:18,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-26 11:54:18,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:54:18,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-26 11:54:18,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:54:18,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-26 11:54:18,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:54:18,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-26 11:54:18,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:54:18,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-26 11:54:18,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:54:18,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-26 11:54:18,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:54:18,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-26 11:54:18,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:54:18,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-26 11:54:18,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:54:18,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-11-26 11:54:18,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:54:18,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-26 11:54:18,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:54:18,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-26 11:54:18,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:54:18,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-11-26 11:54:18,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:54:18,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-11-26 11:54:18,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:54:18,651 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-11-26 11:54:18,652 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:54:18,652 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [843161561] [2023-11-26 11:54:18,653 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [843161561] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:54:18,653 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:54:18,654 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:54:18,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [328663038] [2023-11-26 11:54:18,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:54:18,683 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-26 11:54:18,683 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:54:18,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-26 11:54:18,721 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 11:54:18,724 INFO L87 Difference]: Start difference. First operand has 42 states, 25 states have (on average 1.44) internal successors, (36), 26 states have internal predecessors, (36), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-26 11:54:18,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:54:18,850 INFO L93 Difference]: Finished difference Result 81 states and 140 transitions. [2023-11-26 11:54:18,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-26 11:54:18,853 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) Word has length 88 [2023-11-26 11:54:18,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:54:18,866 INFO L225 Difference]: With dead ends: 81 [2023-11-26 11:54:18,866 INFO L226 Difference]: Without dead ends: 40 [2023-11-26 11:54:18,878 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 11:54:18,888 INFO L413 NwaCegarLoop]: 56 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 11:54:18,891 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 56 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 11:54:18,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2023-11-26 11:54:18,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2023-11-26 11:54:18,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 24 states have (on average 1.2916666666666667) internal successors, (31), 24 states have internal predecessors, (31), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-26 11:54:18,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 59 transitions. [2023-11-26 11:54:18,954 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 59 transitions. Word has length 88 [2023-11-26 11:54:18,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:54:18,954 INFO L495 AbstractCegarLoop]: Abstraction has 40 states and 59 transitions. [2023-11-26 11:54:18,955 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-26 11:54:18,955 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 59 transitions. [2023-11-26 11:54:18,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2023-11-26 11:54:18,961 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:54:18,961 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:54:18,962 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-26 11:54:18,962 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:54:18,963 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:54:18,963 INFO L85 PathProgramCache]: Analyzing trace with hash 709494963, now seen corresponding path program 1 times [2023-11-26 11:54:18,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:54:18,964 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1562049048] [2023-11-26 11:54:18,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:54:18,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:54:19,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:54:19,155 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:54:19,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:54:19,306 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:54:19,306 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-26 11:54:19,309 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-26 11:54:19,311 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-26 11:54:19,318 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-26 11:54:19,323 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-26 11:54:19,461 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 11:54:19 BoogieIcfgContainer [2023-11-26 11:54:19,464 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-26 11:54:19,466 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-26 11:54:19,467 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-26 11:54:19,468 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-26 11:54:19,468 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:54:17" (3/4) ... [2023-11-26 11:54:19,471 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-26 11:54:19,473 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-26 11:54:19,477 INFO L158 Benchmark]: Toolchain (without parser) took 2839.98ms. Allocated memory is still 138.4MB. Free memory was 107.0MB in the beginning and 83.8MB in the end (delta: 23.2MB). Peak memory consumption was 25.7MB. Max. memory is 16.1GB. [2023-11-26 11:54:19,478 INFO L158 Benchmark]: CDTParser took 0.43ms. Allocated memory is still 98.6MB. Free memory is still 48.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 11:54:19,485 INFO L158 Benchmark]: CACSL2BoogieTranslator took 374.55ms. Allocated memory is still 138.4MB. Free memory was 106.4MB in the beginning and 94.5MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-26 11:54:19,486 INFO L158 Benchmark]: Boogie Procedure Inliner took 82.56ms. Allocated memory is still 138.4MB. Free memory was 94.5MB in the beginning and 92.3MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 11:54:19,487 INFO L158 Benchmark]: Boogie Preprocessor took 96.28ms. Allocated memory is still 138.4MB. Free memory was 92.3MB in the beginning and 88.8MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-26 11:54:19,489 INFO L158 Benchmark]: RCFGBuilder took 601.82ms. Allocated memory is still 138.4MB. Free memory was 88.8MB in the beginning and 72.1MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-26 11:54:19,490 INFO L158 Benchmark]: TraceAbstraction took 1667.33ms. Allocated memory is still 138.4MB. Free memory was 71.5MB in the beginning and 83.8MB in the end (delta: -12.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 11:54:19,491 INFO L158 Benchmark]: Witness Printer took 8.13ms. Allocated memory is still 138.4MB. Free memory is still 83.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 11:54:19,496 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43ms. Allocated memory is still 98.6MB. Free memory is still 48.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 374.55ms. Allocated memory is still 138.4MB. Free memory was 106.4MB in the beginning and 94.5MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 82.56ms. Allocated memory is still 138.4MB. Free memory was 94.5MB in the beginning and 92.3MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 96.28ms. Allocated memory is still 138.4MB. Free memory was 92.3MB in the beginning and 88.8MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 601.82ms. Allocated memory is still 138.4MB. Free memory was 88.8MB in the beginning and 72.1MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1667.33ms. Allocated memory is still 138.4MB. Free memory was 71.5MB in the beginning and 83.8MB in the end (delta: -12.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 8.13ms. Allocated memory is still 138.4MB. Free memory is still 83.8MB. 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 someBinaryDOUBLEComparisonOperation at line 95, overapproximation of someBinaryArithmeticDOUBLEoperation at line 41. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed char var_1_1 = -16; [L23] unsigned char var_1_5 = 0; [L24] signed char var_1_6 = -8; [L25] signed char var_1_7 = 5; [L26] unsigned short int var_1_8 = 2; [L27] unsigned char var_1_11 = 0; [L28] double var_1_12 = 8.5; [L29] double var_1_13 = 999999999.6; [L30] signed long int var_1_14 = 10; [L31] signed char var_1_15 = -1; [L32] unsigned char var_1_16 = 16; [L33] unsigned char var_1_17 = 64; [L34] signed char last_1_var_1_1 = -16; [L99] isInitial = 1 [L100] FCALL initially() [L101] COND TRUE 1 [L102] CALL updateLastVariables() [L92] last_1_var_1_1 = var_1_1 [L102] RET updateLastVariables() [L103] CALL updateVariables() [L69] var_1_5 = __VERIFIER_nondet_uchar() [L70] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=17/2, var_1_13=4999999998/5, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_6=-8, var_1_7=5, var_1_8=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=17/2, var_1_13=4999999998/5, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_6=-8, var_1_7=5, var_1_8=2] [L70] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=17/2, var_1_13=4999999998/5, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_6=-8, var_1_7=5, var_1_8=2] [L71] CALL assume_abort_if_not(var_1_5 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=17/2, var_1_13=4999999998/5, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=1, var_1_6=-8, var_1_7=5, var_1_8=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=17/2, var_1_13=4999999998/5, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=1, var_1_6=-8, var_1_7=5, var_1_8=2] [L71] RET assume_abort_if_not(var_1_5 <= 1) VAL [isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=17/2, var_1_13=4999999998/5, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=1, var_1_6=-8, var_1_7=5, var_1_8=2] [L72] var_1_6 = __VERIFIER_nondet_char() [L73] CALL assume_abort_if_not(var_1_6 >= -31) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=17/2, var_1_13=4999999998/5, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=1, var_1_6=31, var_1_7=5, var_1_8=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=17/2, var_1_13=4999999998/5, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=1, var_1_6=31, var_1_7=5, var_1_8=2] [L73] RET assume_abort_if_not(var_1_6 >= -31) VAL [isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=17/2, var_1_13=4999999998/5, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=1, var_1_6=31, var_1_7=5, var_1_8=2] [L74] CALL assume_abort_if_not(var_1_6 <= 31) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=17/2, var_1_13=4999999998/5, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=1, var_1_6=31, var_1_7=5, var_1_8=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=17/2, var_1_13=4999999998/5, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=1, var_1_6=31, var_1_7=5, var_1_8=2] [L74] RET assume_abort_if_not(var_1_6 <= 31) VAL [isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=17/2, var_1_13=4999999998/5, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=1, var_1_6=31, var_1_7=5, var_1_8=2] [L75] var_1_7 = __VERIFIER_nondet_char() [L76] CALL assume_abort_if_not(var_1_7 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=17/2, var_1_13=4999999998/5, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=1, var_1_6=31, var_1_7=63, var_1_8=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=17/2, var_1_13=4999999998/5, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=1, var_1_6=31, var_1_7=63, var_1_8=2] [L76] RET assume_abort_if_not(var_1_7 >= -63) VAL [isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=17/2, var_1_13=4999999998/5, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=1, var_1_6=31, var_1_7=63, var_1_8=2] [L77] CALL assume_abort_if_not(var_1_7 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=17/2, var_1_13=4999999998/5, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=1, var_1_6=31, var_1_7=63, var_1_8=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=17/2, var_1_13=4999999998/5, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=1, var_1_6=31, var_1_7=63, var_1_8=2] [L77] RET assume_abort_if_not(var_1_7 <= 63) VAL [isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=17/2, var_1_13=4999999998/5, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=1, var_1_6=31, var_1_7=63, var_1_8=2] [L78] var_1_11 = __VERIFIER_nondet_uchar() [L79] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_12=17/2, var_1_13=4999999998/5, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=1, var_1_6=31, var_1_7=63, var_1_8=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_1=-16, var_1_12=17/2, var_1_13=4999999998/5, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=1, var_1_6=31, var_1_7=63, var_1_8=2] [L79] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_1=-16, var_1_12=17/2, var_1_13=4999999998/5, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=1, var_1_6=31, var_1_7=63, var_1_8=2] [L80] CALL assume_abort_if_not(var_1_11 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_11=1, var_1_12=17/2, var_1_13=4999999998/5, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=1, var_1_6=31, var_1_7=63, var_1_8=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_1=-16, var_1_11=1, var_1_12=17/2, var_1_13=4999999998/5, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=1, var_1_6=31, var_1_7=63, var_1_8=2] [L80] RET assume_abort_if_not(var_1_11 <= 1) VAL [isInitial=1, last_1_var_1_1=-16, var_1_11=1, var_1_12=17/2, var_1_13=4999999998/5, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=1, var_1_6=31, var_1_7=63, var_1_8=2] [L81] var_1_13 = __VERIFIER_nondet_double() [L82] CALL assume_abort_if_not((var_1_13 >= 0.0F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_11=1, var_1_12=17/2, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=1, var_1_6=31, var_1_7=63, var_1_8=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_1=-16, var_1_11=1, var_1_12=17/2, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=1, var_1_6=31, var_1_7=63, var_1_8=2] [L82] RET assume_abort_if_not((var_1_13 >= 0.0F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_1=-16, var_1_11=1, var_1_12=17/2, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=1, var_1_6=31, var_1_7=63, var_1_8=2] [L83] var_1_15 = __VERIFIER_nondet_char() [L84] CALL assume_abort_if_not(var_1_15 >= -128) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_11=1, var_1_12=17/2, var_1_14=10, var_1_15=127, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=1, var_1_6=31, var_1_7=63, var_1_8=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_1=-16, var_1_11=1, var_1_12=17/2, var_1_14=10, var_1_15=127, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=1, var_1_6=31, var_1_7=63, var_1_8=2] [L84] RET assume_abort_if_not(var_1_15 >= -128) VAL [isInitial=1, last_1_var_1_1=-16, var_1_11=1, var_1_12=17/2, var_1_14=10, var_1_15=127, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=1, var_1_6=31, var_1_7=63, var_1_8=2] [L85] CALL assume_abort_if_not(var_1_15 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_11=1, var_1_12=17/2, var_1_14=10, var_1_15=127, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=1, var_1_6=31, var_1_7=63, var_1_8=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_1=-16, var_1_11=1, var_1_12=17/2, var_1_14=10, var_1_15=127, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=1, var_1_6=31, var_1_7=63, var_1_8=2] [L85] RET assume_abort_if_not(var_1_15 <= 127) VAL [isInitial=1, last_1_var_1_1=-16, var_1_11=1, var_1_12=17/2, var_1_14=10, var_1_15=127, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=1, var_1_6=31, var_1_7=63, var_1_8=2] [L86] CALL assume_abort_if_not(var_1_15 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_11=1, var_1_12=17/2, var_1_14=10, var_1_15=127, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=1, var_1_6=31, var_1_7=63, var_1_8=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_1=-16, var_1_11=1, var_1_12=17/2, var_1_14=10, var_1_15=127, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=1, var_1_6=31, var_1_7=63, var_1_8=2] [L86] RET assume_abort_if_not(var_1_15 != 0) VAL [isInitial=1, last_1_var_1_1=-16, var_1_11=1, var_1_12=17/2, var_1_14=10, var_1_15=127, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=1, var_1_6=31, var_1_7=63, var_1_8=2] [L87] var_1_17 = __VERIFIER_nondet_uchar() [L88] CALL assume_abort_if_not(var_1_17 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_11=1, var_1_12=17/2, var_1_14=10, var_1_15=127, var_1_16=16, var_1_1=-16, var_1_5=1, var_1_6=31, var_1_7=63, var_1_8=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_1=-16, var_1_11=1, var_1_12=17/2, var_1_14=10, var_1_15=127, var_1_16=16, var_1_1=-16, var_1_5=1, var_1_6=31, var_1_7=63, var_1_8=2] [L88] RET assume_abort_if_not(var_1_17 >= 0) VAL [isInitial=1, last_1_var_1_1=-16, var_1_11=1, var_1_12=17/2, var_1_14=10, var_1_15=127, var_1_16=16, var_1_1=-16, var_1_5=1, var_1_6=31, var_1_7=63, var_1_8=2] [L89] CALL assume_abort_if_not(var_1_17 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_11=1, var_1_12=17/2, var_1_14=10, var_1_15=127, var_1_16=16, var_1_17=127, var_1_1=-16, var_1_5=1, var_1_6=31, var_1_7=63, var_1_8=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_1=-16, var_1_11=1, var_1_12=17/2, var_1_14=10, var_1_15=127, var_1_16=16, var_1_17=127, var_1_1=-16, var_1_5=1, var_1_6=31, var_1_7=63, var_1_8=2] [L89] RET assume_abort_if_not(var_1_17 <= 254) VAL [isInitial=1, last_1_var_1_1=-16, var_1_11=1, var_1_12=17/2, var_1_14=10, var_1_15=127, var_1_16=16, var_1_17=127, var_1_1=-16, var_1_5=1, var_1_6=31, var_1_7=63, var_1_8=2] [L103] RET updateVariables() [L104] CALL step() [L38] COND TRUE var_1_5 && (last_1_var_1_1 <= last_1_var_1_1) [L39] var_1_16 = var_1_17 VAL [isInitial=1, last_1_var_1_1=-16, var_1_11=1, var_1_12=17/2, var_1_14=10, var_1_15=127, var_1_16=127, var_1_17=127, var_1_1=-16, var_1_5=1, var_1_6=31, var_1_7=63, var_1_8=2] [L41] var_1_12 = (var_1_13 - 8.3) [L42] unsigned char stepLocal_1 = var_1_13 >= var_1_12; VAL [isInitial=1, last_1_var_1_1=-16, stepLocal_1=0, var_1_11=1, var_1_14=10, var_1_15=127, var_1_16=127, var_1_17=127, var_1_1=-16, var_1_5=1, var_1_6=31, var_1_7=63, var_1_8=2] [L43] COND FALSE !(var_1_5 && stepLocal_1) [L46] var_1_14 = var_1_15 VAL [isInitial=1, last_1_var_1_1=-16, stepLocal_1=0, var_1_11=1, var_1_14=127, var_1_15=127, var_1_16=127, var_1_17=127, var_1_1=-16, var_1_5=1, var_1_6=31, var_1_7=63, var_1_8=2] [L48] COND TRUE \read(var_1_5) [L49] var_1_8 = (var_1_16 + var_1_16) VAL [isInitial=1, last_1_var_1_1=-16, stepLocal_1=0, var_1_11=1, var_1_14=127, var_1_15=127, var_1_16=127, var_1_17=127, var_1_1=-16, var_1_5=1, var_1_6=31, var_1_7=63, var_1_8=254] [L57] unsigned long int stepLocal_0 = (var_1_8 & 0u) * var_1_16; VAL [isInitial=1, last_1_var_1_1=-16, stepLocal_0=0, stepLocal_1=0, var_1_11=1, var_1_14=127, var_1_15=127, var_1_16=127, var_1_17=127, var_1_1=-16, var_1_5=1, var_1_6=31, var_1_7=63, var_1_8=254] [L58] COND FALSE !(stepLocal_0 > var_1_8) [L65] var_1_1 = var_1_6 VAL [isInitial=1, last_1_var_1_1=-16, stepLocal_0=0, stepLocal_1=0, var_1_11=1, var_1_14=127, var_1_15=127, var_1_16=127, var_1_17=127, var_1_1=31, var_1_5=1, var_1_6=31, var_1_7=63, var_1_8=254] [L104] RET step() [L105] CALL, EXPR property() [L95-L96] return (((((((var_1_8 & 0u) * var_1_16) > var_1_8) ? (var_1_5 ? (var_1_1 == ((signed char) ((16 + var_1_6) + var_1_7))) : (var_1_1 == ((signed char) ((((var_1_6) < 0 ) ? -(var_1_6) : (var_1_6)))))) : (var_1_1 == ((signed char) var_1_6))) && (var_1_5 ? (var_1_8 == ((unsigned short int) (var_1_16 + var_1_16))) : (((var_1_16 > var_1_14) || var_1_11) ? (var_1_8 == ((unsigned short int) var_1_16)) : (var_1_8 == ((unsigned short int) var_1_16))))) && (var_1_12 == ((double) (var_1_13 - 8.3)))) && ((var_1_5 && (var_1_13 >= var_1_12)) ? (var_1_14 == ((signed long int) var_1_16)) : (var_1_14 == ((signed long int) var_1_15)))) && ((var_1_5 && (last_1_var_1_1 <= last_1_var_1_1)) ? (var_1_16 == ((unsigned char) var_1_17)) : 1) ; [L105] RET, EXPR property() [L105] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_1=-16, var_1_11=1, var_1_14=127, var_1_15=127, var_1_16=127, var_1_17=127, var_1_1=31, var_1_5=1, var_1_6=31, var_1_7=63, var_1_8=254] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_1=-16, var_1_11=1, var_1_14=127, var_1_15=127, var_1_16=127, var_1_17=127, var_1_1=31, var_1_5=1, var_1_6=31, var_1_7=63, var_1_8=254] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 42 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 2, TraceHistogramMax: 14, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 56 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 56 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 44 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=42occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 176 NumberOfCodeBlocks, 176 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 87 ConstructedInterpolants, 0 QuantifiedInterpolants, 87 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 364/364 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-26 11:54:19,532 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1153b0f-ba2e-48e6-8090-559fe2438120/bin/uautomizer-verify-VRDe98Ueme/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/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1153b0f-ba2e-48e6-8090-559fe2438120/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1153b0f-ba2e-48e6-8090-559fe2438120/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1153b0f-ba2e-48e6-8090-559fe2438120/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1153b0f-ba2e-48e6-8090-559fe2438120/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-41.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1153b0f-ba2e-48e6-8090-559fe2438120/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1153b0f-ba2e-48e6-8090-559fe2438120/bin/uautomizer-verify-VRDe98Ueme --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 521a7b23bb41076c0af28c4cc3c2330626cca2c8b416fc98ef78b6e64d1f37d0 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 11:54:22,860 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 11:54:22,962 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1153b0f-ba2e-48e6-8090-559fe2438120/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-26 11:54:22,970 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 11:54:22,971 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 11:54:23,008 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 11:54:23,009 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 11:54:23,010 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 11:54:23,011 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 11:54:23,012 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 11:54:23,012 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 11:54:23,013 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 11:54:23,014 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 11:54:23,015 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 11:54:23,016 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 11:54:23,017 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 11:54:23,017 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 11:54:23,018 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 11:54:23,019 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 11:54:23,020 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 11:54:23,020 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 11:54:23,021 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 11:54:23,022 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 11:54:23,023 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-26 11:54:23,023 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-26 11:54:23,024 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-26 11:54:23,024 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 11:54:23,025 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 11:54:23,026 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 11:54:23,026 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 11:54:23,027 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 11:54:23,028 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 11:54:23,028 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 11:54:23,029 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:54:23,029 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 11:54:23,030 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 11:54:23,030 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 11:54:23,031 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-26 11:54:23,031 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-26 11:54:23,032 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 11:54:23,032 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 11:54:23,037 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 11:54:23,037 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 11:54:23,038 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 11:54:23,039 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-26 11:54:23,039 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1153b0f-ba2e-48e6-8090-559fe2438120/bin/uautomizer-verify-VRDe98Ueme/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1153b0f-ba2e-48e6-8090-559fe2438120/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 521a7b23bb41076c0af28c4cc3c2330626cca2c8b416fc98ef78b6e64d1f37d0 [2023-11-26 11:54:23,522 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 11:54:23,567 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 11:54:23,570 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 11:54:23,572 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 11:54:23,573 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 11:54:23,576 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1153b0f-ba2e-48e6-8090-559fe2438120/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-41.i [2023-11-26 11:54:27,289 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 11:54:27,651 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 11:54:27,652 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1153b0f-ba2e-48e6-8090-559fe2438120/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-41.i [2023-11-26 11:54:27,661 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1153b0f-ba2e-48e6-8090-559fe2438120/bin/uautomizer-verify-VRDe98Ueme/data/21cd15bc7/10cd92dfd07c45bab92334c1641a12fa/FLAGf7ed82248 [2023-11-26 11:54:27,677 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1153b0f-ba2e-48e6-8090-559fe2438120/bin/uautomizer-verify-VRDe98Ueme/data/21cd15bc7/10cd92dfd07c45bab92334c1641a12fa [2023-11-26 11:54:27,680 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 11:54:27,682 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 11:54:27,684 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 11:54:27,684 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 11:54:27,691 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 11:54:27,692 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:54:27" (1/1) ... [2023-11-26 11:54:27,693 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@96435e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:54:27, skipping insertion in model container [2023-11-26 11:54:27,694 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:54:27" (1/1) ... [2023-11-26 11:54:27,727 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 11:54:27,912 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1153b0f-ba2e-48e6-8090-559fe2438120/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-41.i[917,930] [2023-11-26 11:54:27,992 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:54:28,030 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 11:54:28,054 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1153b0f-ba2e-48e6-8090-559fe2438120/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-41.i[917,930] [2023-11-26 11:54:28,106 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:54:28,133 INFO L206 MainTranslator]: Completed translation [2023-11-26 11:54:28,134 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:54:28 WrapperNode [2023-11-26 11:54:28,134 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 11:54:28,136 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 11:54:28,136 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 11:54:28,137 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 11:54:28,147 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:54:28" (1/1) ... [2023-11-26 11:54:28,177 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:54:28" (1/1) ... [2023-11-26 11:54:28,226 INFO L138 Inliner]: procedures = 27, calls = 27, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 101 [2023-11-26 11:54:28,229 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 11:54:28,231 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 11:54:28,231 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 11:54:28,232 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 11:54:28,246 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:54:28" (1/1) ... [2023-11-26 11:54:28,247 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:54:28" (1/1) ... [2023-11-26 11:54:28,264 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:54:28" (1/1) ... [2023-11-26 11:54:28,293 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]. [2023-11-26 11:54:28,301 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:54:28" (1/1) ... [2023-11-26 11:54:28,302 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:54:28" (1/1) ... [2023-11-26 11:54:28,314 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:54:28" (1/1) ... [2023-11-26 11:54:28,328 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:54:28" (1/1) ... [2023-11-26 11:54:28,333 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:54:28" (1/1) ... [2023-11-26 11:54:28,342 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:54:28" (1/1) ... [2023-11-26 11:54:28,346 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 11:54:28,354 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 11:54:28,355 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 11:54:28,355 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 11:54:28,356 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:54:28" (1/1) ... [2023-11-26 11:54:28,365 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:54:28,392 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1153b0f-ba2e-48e6-8090-559fe2438120/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:54:28,414 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1153b0f-ba2e-48e6-8090-559fe2438120/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 11:54:28,442 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1153b0f-ba2e-48e6-8090-559fe2438120/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 11:54:28,476 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 11:54:28,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-26 11:54:28,477 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-26 11:54:28,478 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-26 11:54:28,480 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 11:54:28,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 11:54:28,673 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 11:54:28,676 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 11:54:29,673 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 11:54:29,748 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 11:54:29,748 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-26 11:54:29,749 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:54:29 BoogieIcfgContainer [2023-11-26 11:54:29,749 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 11:54:29,753 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 11:54:29,753 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 11:54:29,757 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 11:54:29,758 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 11:54:27" (1/3) ... [2023-11-26 11:54:29,759 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44988455 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:54:29, skipping insertion in model container [2023-11-26 11:54:29,759 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:54:28" (2/3) ... [2023-11-26 11:54:29,760 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44988455 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:54:29, skipping insertion in model container [2023-11-26 11:54:29,760 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:54:29" (3/3) ... [2023-11-26 11:54:29,762 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-41.i [2023-11-26 11:54:29,787 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 11:54:29,788 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-26 11:54:29,852 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 11:54:29,861 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@b0c080f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 11:54:29,862 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-26 11:54:29,866 INFO L276 IsEmpty]: Start isEmpty. Operand has 42 states, 25 states have (on average 1.44) internal successors, (36), 26 states have internal predecessors, (36), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-26 11:54:29,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2023-11-26 11:54:29,881 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:54:29,882 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:54:29,883 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:54:29,890 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:54:29,890 INFO L85 PathProgramCache]: Analyzing trace with hash 2115196599, now seen corresponding path program 1 times [2023-11-26 11:54:29,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 11:54:29,908 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1780586128] [2023-11-26 11:54:29,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:54:29,908 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-26 11:54:29,909 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1153b0f-ba2e-48e6-8090-559fe2438120/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 11:54:29,910 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1153b0f-ba2e-48e6-8090-559fe2438120/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-26 11:54:29,913 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1153b0f-ba2e-48e6-8090-559fe2438120/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-26 11:54:30,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:54:30,167 INFO L262 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-26 11:54:30,177 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:54:30,252 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 114 proven. 0 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked. [2023-11-26 11:54:30,252 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 11:54:30,255 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-26 11:54:30,257 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1780586128] [2023-11-26 11:54:30,257 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1780586128] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:54:30,258 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:54:30,258 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:54:30,260 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1817819717] [2023-11-26 11:54:30,261 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:54:30,267 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-26 11:54:30,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-26 11:54:30,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-26 11:54:30,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 11:54:30,324 INFO L87 Difference]: Start difference. First operand has 42 states, 25 states have (on average 1.44) internal successors, (36), 26 states have internal predecessors, (36), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-26 11:54:30,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:54:30,630 INFO L93 Difference]: Finished difference Result 81 states and 140 transitions. [2023-11-26 11:54:30,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-26 11:54:30,639 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 88 [2023-11-26 11:54:30,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:54:30,647 INFO L225 Difference]: With dead ends: 81 [2023-11-26 11:54:30,647 INFO L226 Difference]: Without dead ends: 40 [2023-11-26 11:54:30,651 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 11:54:30,656 INFO L413 NwaCegarLoop]: 56 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-26 11:54:30,657 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 56 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-26 11:54:30,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2023-11-26 11:54:30,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2023-11-26 11:54:30,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 24 states have (on average 1.2916666666666667) internal successors, (31), 24 states have internal predecessors, (31), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-26 11:54:30,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 59 transitions. [2023-11-26 11:54:30,701 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 59 transitions. Word has length 88 [2023-11-26 11:54:30,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:54:30,702 INFO L495 AbstractCegarLoop]: Abstraction has 40 states and 59 transitions. [2023-11-26 11:54:30,702 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-26 11:54:30,703 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 59 transitions. [2023-11-26 11:54:30,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2023-11-26 11:54:30,708 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:54:30,708 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:54:30,717 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1153b0f-ba2e-48e6-8090-559fe2438120/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-26 11:54:30,916 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1153b0f-ba2e-48e6-8090-559fe2438120/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-26 11:54:30,917 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:54:30,917 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:54:30,918 INFO L85 PathProgramCache]: Analyzing trace with hash 709494963, now seen corresponding path program 1 times [2023-11-26 11:54:30,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 11:54:30,919 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [252523179] [2023-11-26 11:54:30,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:54:30,920 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-26 11:54:30,920 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1153b0f-ba2e-48e6-8090-559fe2438120/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 11:54:30,922 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1153b0f-ba2e-48e6-8090-559fe2438120/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-26 11:54:30,924 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1153b0f-ba2e-48e6-8090-559fe2438120/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-26 11:54:31,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:54:31,219 INFO L262 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-26 11:54:31,230 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:54:44,045 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 189 proven. 15 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2023-11-26 11:54:44,045 INFO L327 TraceCheckSpWp]: Computing backward predicates...