./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-99.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b326036-a3f4-4b2c-b9ee-0cf3dc55c2be/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b326036-a3f4-4b2c-b9ee-0cf3dc55c2be/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b326036-a3f4-4b2c-b9ee-0cf3dc55c2be/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b326036-a3f4-4b2c-b9ee-0cf3dc55c2be/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-99.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b326036-a3f4-4b2c-b9ee-0cf3dc55c2be/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b326036-a3f4-4b2c-b9ee-0cf3dc55c2be/bin/uautomizer-verify-84ZbGMXZE1 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3f85399f13cd3660b524b9ee202c819bd1459b0c883e7c0e4ddb7463b5e0cc2f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 06:08:04,414 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 06:08:04,473 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b326036-a3f4-4b2c-b9ee-0cf3dc55c2be/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-12-02 06:08:04,478 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 06:08:04,478 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 06:08:04,500 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 06:08:04,501 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 06:08:04,501 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 06:08:04,501 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 06:08:04,501 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 06:08:04,501 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 06:08:04,501 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 06:08:04,502 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 06:08:04,502 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 06:08:04,502 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 06:08:04,502 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 06:08:04,502 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 06:08:04,502 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 06:08:04,502 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 06:08:04,502 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 06:08:04,503 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 06:08:04,503 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 06:08:04,503 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 06:08:04,503 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 06:08:04,503 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 06:08:04,503 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 06:08:04,503 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 06:08:04,503 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 06:08:04,503 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 06:08:04,503 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 06:08:04,503 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 06:08:04,503 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 06:08:04,504 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 06:08:04,504 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 06:08:04,504 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 06:08:04,504 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 06:08:04,504 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 06:08:04,504 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 06:08:04,504 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 06:08:04,504 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 06:08:04,504 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 06:08:04,504 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 06:08:04,504 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 06:08:04,504 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 06:08:04,505 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 06:08:04,505 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 06:08:04,505 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 06:08:04,505 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 06:08:04,505 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b326036-a3f4-4b2c-b9ee-0cf3dc55c2be/bin/uautomizer-verify-84ZbGMXZE1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3f85399f13cd3660b524b9ee202c819bd1459b0c883e7c0e4ddb7463b5e0cc2f [2024-12-02 06:08:04,747 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 06:08:04,756 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 06:08:04,758 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 06:08:04,760 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 06:08:04,760 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 06:08:04,761 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b326036-a3f4-4b2c-b9ee-0cf3dc55c2be/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-99.i [2024-12-02 06:08:07,485 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b326036-a3f4-4b2c-b9ee-0cf3dc55c2be/bin/uautomizer-verify-84ZbGMXZE1/data/80889e486/0a31c7dd26c249db807667a8b8a52964/FLAG2f7aa5a66 [2024-12-02 06:08:07,663 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 06:08:07,663 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b326036-a3f4-4b2c-b9ee-0cf3dc55c2be/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-99.i [2024-12-02 06:08:07,670 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b326036-a3f4-4b2c-b9ee-0cf3dc55c2be/bin/uautomizer-verify-84ZbGMXZE1/data/80889e486/0a31c7dd26c249db807667a8b8a52964/FLAG2f7aa5a66 [2024-12-02 06:08:07,682 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b326036-a3f4-4b2c-b9ee-0cf3dc55c2be/bin/uautomizer-verify-84ZbGMXZE1/data/80889e486/0a31c7dd26c249db807667a8b8a52964 [2024-12-02 06:08:07,684 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 06:08:07,685 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 06:08:07,685 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 06:08:07,685 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 06:08:07,688 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 06:08:07,689 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:08:07" (1/1) ... [2024-12-02 06:08:07,690 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@156ccf9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:08:07, skipping insertion in model container [2024-12-02 06:08:07,690 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:08:07" (1/1) ... [2024-12-02 06:08:07,704 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 06:08:07,828 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b326036-a3f4-4b2c-b9ee-0cf3dc55c2be/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-99.i[915,928] [2024-12-02 06:08:07,864 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 06:08:07,873 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 06:08:07,881 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b326036-a3f4-4b2c-b9ee-0cf3dc55c2be/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-99.i[915,928] [2024-12-02 06:08:07,897 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 06:08:07,909 INFO L204 MainTranslator]: Completed translation [2024-12-02 06:08:07,909 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:08:07 WrapperNode [2024-12-02 06:08:07,910 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 06:08:07,910 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 06:08:07,910 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 06:08:07,910 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 06:08:07,916 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:08:07" (1/1) ... [2024-12-02 06:08:07,921 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:08:07" (1/1) ... [2024-12-02 06:08:07,940 INFO L138 Inliner]: procedures = 26, calls = 22, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 90 [2024-12-02 06:08:07,941 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 06:08:07,941 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 06:08:07,941 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 06:08:07,941 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 06:08:07,947 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:08:07" (1/1) ... [2024-12-02 06:08:07,947 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:08:07" (1/1) ... [2024-12-02 06:08:07,949 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:08:07" (1/1) ... [2024-12-02 06:08:07,958 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-12-02 06:08:07,959 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:08:07" (1/1) ... [2024-12-02 06:08:07,959 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:08:07" (1/1) ... [2024-12-02 06:08:07,963 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:08:07" (1/1) ... [2024-12-02 06:08:07,964 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:08:07" (1/1) ... [2024-12-02 06:08:07,967 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:08:07" (1/1) ... [2024-12-02 06:08:07,968 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:08:07" (1/1) ... [2024-12-02 06:08:07,969 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:08:07" (1/1) ... [2024-12-02 06:08:07,971 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 06:08:07,972 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 06:08:07,972 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 06:08:07,972 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 06:08:07,973 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:08:07" (1/1) ... [2024-12-02 06:08:07,978 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 06:08:07,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b326036-a3f4-4b2c-b9ee-0cf3dc55c2be/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 06:08:07,997 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b326036-a3f4-4b2c-b9ee-0cf3dc55c2be/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 06:08:07,999 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b326036-a3f4-4b2c-b9ee-0cf3dc55c2be/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 06:08:08,017 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 06:08:08,017 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 06:08:08,017 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 06:08:08,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 06:08:08,018 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 06:08:08,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 06:08:08,068 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 06:08:08,070 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 06:08:08,222 INFO L? ?]: Removed 11 outVars from TransFormulas that were not future-live. [2024-12-02 06:08:08,222 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 06:08:08,230 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 06:08:08,230 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-02 06:08:08,231 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:08:08 BoogieIcfgContainer [2024-12-02 06:08:08,231 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 06:08:08,233 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 06:08:08,233 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 06:08:08,237 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 06:08:08,237 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 06:08:07" (1/3) ... [2024-12-02 06:08:08,237 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@384f9e2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:08:08, skipping insertion in model container [2024-12-02 06:08:08,238 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:08:07" (2/3) ... [2024-12-02 06:08:08,238 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@384f9e2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:08:08, skipping insertion in model container [2024-12-02 06:08:08,238 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:08:08" (3/3) ... [2024-12-02 06:08:08,239 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-1loop_file-99.i [2024-12-02 06:08:08,250 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 06:08:08,251 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_25-1loop_file-99.i that has 2 procedures, 41 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 06:08:08,296 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 06:08:08,306 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@36f726ce, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 06:08:08,306 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 06:08:08,309 INFO L276 IsEmpty]: Start isEmpty. Operand has 41 states, 29 states have (on average 1.3448275862068966) internal successors, (39), 30 states have internal predecessors, (39), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-12-02 06:08:08,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-12-02 06:08:08,316 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:08:08,316 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:08:08,317 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:08:08,321 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:08:08,321 INFO L85 PathProgramCache]: Analyzing trace with hash -1041746268, now seen corresponding path program 1 times [2024-12-02 06:08:08,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:08:08,327 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [569560930] [2024-12-02 06:08:08,327 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:08:08,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:08:08,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:08:08,497 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2024-12-02 06:08:08,498 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:08:08,498 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [569560930] [2024-12-02 06:08:08,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [569560930] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 06:08:08,499 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [501377502] [2024-12-02 06:08:08,499 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:08:08,499 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 06:08:08,499 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b326036-a3f4-4b2c-b9ee-0cf3dc55c2be/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 06:08:08,503 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b326036-a3f4-4b2c-b9ee-0cf3dc55c2be/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 06:08:08,504 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b326036-a3f4-4b2c-b9ee-0cf3dc55c2be/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 06:08:08,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:08:08,607 INFO L256 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 06:08:08,612 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:08:08,628 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2024-12-02 06:08:08,628 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 06:08:08,628 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [501377502] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:08:08,628 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 06:08:08,629 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-12-02 06:08:08,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2020472280] [2024-12-02 06:08:08,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:08:08,634 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 06:08:08,634 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:08:08,649 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 06:08:08,649 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 06:08:08,651 INFO L87 Difference]: Start difference. First operand has 41 states, 29 states have (on average 1.3448275862068966) internal successors, (39), 30 states have internal predecessors, (39), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Second operand has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 2 states have call successors, (9) [2024-12-02 06:08:08,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:08:08,669 INFO L93 Difference]: Finished difference Result 79 states and 120 transitions. [2024-12-02 06:08:08,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 06:08:08,670 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 2 states have call successors, (9) Word has length 66 [2024-12-02 06:08:08,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:08:08,674 INFO L225 Difference]: With dead ends: 79 [2024-12-02 06:08:08,674 INFO L226 Difference]: Without dead ends: 37 [2024-12-02 06:08:08,677 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 06:08:08,679 INFO L435 NwaCegarLoop]: 54 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 54 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 06:08:08,679 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 06:08:08,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2024-12-02 06:08:08,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2024-12-02 06:08:08,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 26 states have (on average 1.2307692307692308) internal successors, (32), 26 states have internal predecessors, (32), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-12-02 06:08:08,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 50 transitions. [2024-12-02 06:08:08,708 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 50 transitions. Word has length 66 [2024-12-02 06:08:08,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:08:08,708 INFO L471 AbstractCegarLoop]: Abstraction has 37 states and 50 transitions. [2024-12-02 06:08:08,708 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 2 states have call successors, (9) [2024-12-02 06:08:08,708 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 50 transitions. [2024-12-02 06:08:08,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-12-02 06:08:08,710 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:08:08,710 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:08:08,717 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b326036-a3f4-4b2c-b9ee-0cf3dc55c2be/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 06:08:08,911 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b326036-a3f4-4b2c-b9ee-0cf3dc55c2be/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-12-02 06:08:08,911 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:08:08,912 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:08:08,912 INFO L85 PathProgramCache]: Analyzing trace with hash 1607986222, now seen corresponding path program 1 times [2024-12-02 06:08:08,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:08:08,912 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1317610634] [2024-12-02 06:08:08,912 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:08:08,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:08:08,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 06:08:08,989 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 06:08:09,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 06:08:09,056 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-12-02 06:08:09,057 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-12-02 06:08:09,058 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 06:08:09,060 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 06:08:09,063 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2024-12-02 06:08:09,098 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 06:08:09,101 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 06:08:09 BoogieIcfgContainer [2024-12-02 06:08:09,102 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 06:08:09,102 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 06:08:09,102 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 06:08:09,103 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 06:08:09,103 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:08:08" (3/4) ... [2024-12-02 06:08:09,106 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-02 06:08:09,107 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 06:08:09,108 INFO L158 Benchmark]: Toolchain (without parser) took 1422.85ms. Allocated memory is still 142.6MB. Free memory was 115.2MB in the beginning and 105.2MB in the end (delta: 10.0MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. [2024-12-02 06:08:09,108 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 142.6MB. Free memory is still 83.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 06:08:09,108 INFO L158 Benchmark]: CACSL2BoogieTranslator took 224.53ms. Allocated memory is still 142.6MB. Free memory was 115.2MB in the beginning and 102.8MB in the end (delta: 12.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 06:08:09,108 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.25ms. Allocated memory is still 142.6MB. Free memory was 102.8MB in the beginning and 101.3MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 06:08:09,109 INFO L158 Benchmark]: Boogie Preprocessor took 30.39ms. Allocated memory is still 142.6MB. Free memory was 101.3MB in the beginning and 99.4MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 06:08:09,109 INFO L158 Benchmark]: RCFGBuilder took 258.89ms. Allocated memory is still 142.6MB. Free memory was 99.4MB in the beginning and 86.3MB in the end (delta: 13.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 06:08:09,109 INFO L158 Benchmark]: TraceAbstraction took 868.99ms. Allocated memory is still 142.6MB. Free memory was 85.8MB in the beginning and 105.3MB in the end (delta: -19.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 06:08:09,109 INFO L158 Benchmark]: Witness Printer took 4.49ms. Allocated memory is still 142.6MB. Free memory was 105.3MB in the beginning and 105.2MB in the end (delta: 15.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 06:08:09,111 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 142.6MB. Free memory is still 83.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 224.53ms. Allocated memory is still 142.6MB. Free memory was 115.2MB in the beginning and 102.8MB in the end (delta: 12.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.25ms. Allocated memory is still 142.6MB. Free memory was 102.8MB in the beginning and 101.3MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.39ms. Allocated memory is still 142.6MB. Free memory was 101.3MB in the beginning and 99.4MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 258.89ms. Allocated memory is still 142.6MB. Free memory was 99.4MB in the beginning and 86.3MB in the end (delta: 13.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 868.99ms. Allocated memory is still 142.6MB. Free memory was 85.8MB in the beginning and 105.3MB in the end (delta: -19.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.49ms. Allocated memory is still 142.6MB. Free memory was 105.3MB in the beginning and 105.2MB in the end (delta: 15.8kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryArithmeticDOUBLEoperation at line 43, overapproximation of someBinaryFLOATComparisonOperation at line 61, overapproximation of someBinaryFLOATComparisonOperation at line 42, overapproximation of someBinaryFLOATComparisonOperation at line 59, overapproximation of someBinaryFLOATComparisonOperation at line 75, overapproximation of someBinaryFLOATComparisonOperation at line 63, overapproximation of someUnaryDOUBLEoperation at line 43, overapproximation of someUnaryDOUBLEoperation at line 28, overapproximation of someBinaryDOUBLEComparisonOperation at line 75, overapproximation of someBinaryDOUBLEComparisonOperation at line 67, overapproximation of someBinaryDOUBLEComparisonOperation at line 43, overapproximation of someBinaryDOUBLEComparisonOperation at line 65, overapproximation of someBinaryDOUBLEComparisonOperation at line 45, overapproximation of someBinaryArithmeticFLOAToperation at line 38. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] float var_1_1 = 255.5; [L23] unsigned char var_1_2 = 16; [L24] float var_1_4 = 1000000000000000.6; [L25] float var_1_5 = 500.5; [L26] float var_1_6 = 99999999999.5; [L27] double var_1_7 = 9.6; [L28] double var_1_8 = -0.2; [L29] double var_1_9 = 25.2; [L30] signed short int var_1_10 = 1; [L31] unsigned char var_1_11 = 0; [L32] signed long int var_1_15 = -64; VAL [isInitial=0, var_1_10=1, var_1_11=0, var_1_15=-64, var_1_1=511/2, var_1_2=16, var_1_4=5000000000000003/5, var_1_5=1001/2, var_1_6=199999999999/2, var_1_7=48/5, var_1_9=126/5] [L79] isInitial = 1 [L80] FCALL initially() [L81] int k_loop; [L82] k_loop = 0 VAL [isInitial=1, k_loop=0, var_1_10=1, var_1_11=0, var_1_15=-64, var_1_1=511/2, var_1_2=16, var_1_4=5000000000000003/5, var_1_5=1001/2, var_1_6=199999999999/2, var_1_7=48/5, var_1_9=126/5] [L82] COND TRUE k_loop < 1 VAL [isInitial=1, k_loop=0, var_1_10=1, var_1_11=0, var_1_15=-64, var_1_1=511/2, var_1_2=16, var_1_4=5000000000000003/5, var_1_5=1001/2, var_1_6=199999999999/2, var_1_7=48/5, var_1_9=126/5] [L83] FCALL updateLastVariables() [L84] CALL updateVariables() [L55] var_1_2 = __VERIFIER_nondet_uchar() [L56] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_15=-64, var_1_1=511/2, var_1_4=5000000000000003/5, var_1_5=1001/2, var_1_6=199999999999/2, var_1_7=48/5, var_1_9=126/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_15=-64, var_1_1=511/2, var_1_4=5000000000000003/5, var_1_5=1001/2, var_1_6=199999999999/2, var_1_7=48/5, var_1_9=126/5] [L56] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=1, var_1_11=0, var_1_15=-64, var_1_1=511/2, var_1_4=5000000000000003/5, var_1_5=1001/2, var_1_6=199999999999/2, var_1_7=48/5, var_1_9=126/5] [L57] CALL assume_abort_if_not(var_1_2 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_15=-64, var_1_1=511/2, var_1_2=119, var_1_4=5000000000000003/5, var_1_5=1001/2, var_1_6=199999999999/2, var_1_7=48/5, var_1_9=126/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_15=-64, var_1_1=511/2, var_1_2=119, var_1_4=5000000000000003/5, var_1_5=1001/2, var_1_6=199999999999/2, var_1_7=48/5, var_1_9=126/5] [L57] RET assume_abort_if_not(var_1_2 <= 127) VAL [isInitial=1, var_1_10=1, var_1_11=0, var_1_15=-64, var_1_1=511/2, var_1_2=119, var_1_4=5000000000000003/5, var_1_5=1001/2, var_1_6=199999999999/2, var_1_7=48/5, var_1_9=126/5] [L58] var_1_4 = __VERIFIER_nondet_float() [L59] CALL assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_15=-64, var_1_1=511/2, var_1_2=119, var_1_5=1001/2, var_1_6=199999999999/2, var_1_7=48/5, var_1_9=126/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_15=-64, var_1_1=511/2, var_1_2=119, var_1_5=1001/2, var_1_6=199999999999/2, var_1_7=48/5, var_1_9=126/5] [L59] RET assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=0, var_1_15=-64, var_1_1=511/2, var_1_2=119, var_1_5=1001/2, var_1_6=199999999999/2, var_1_7=48/5, var_1_9=126/5] [L60] var_1_5 = __VERIFIER_nondet_float() [L61] CALL assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854765600e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_15=-64, var_1_1=511/2, var_1_2=119, var_1_6=199999999999/2, var_1_7=48/5, var_1_9=126/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_15=-64, var_1_1=511/2, var_1_2=119, var_1_6=199999999999/2, var_1_7=48/5, var_1_9=126/5] [L61] RET assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854765600e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=0, var_1_15=-64, var_1_1=511/2, var_1_2=119, var_1_6=199999999999/2, var_1_7=48/5, var_1_9=126/5] [L62] var_1_6 = __VERIFIER_nondet_float() [L63] CALL assume_abort_if_not((var_1_6 >= 0.0F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854765600e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_15=-64, var_1_1=511/2, var_1_2=119, var_1_7=48/5, var_1_9=126/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_15=-64, var_1_1=511/2, var_1_2=119, var_1_7=48/5, var_1_9=126/5] [L63] RET assume_abort_if_not((var_1_6 >= 0.0F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854765600e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=0, var_1_15=-64, var_1_1=511/2, var_1_2=119, var_1_7=48/5, var_1_9=126/5] [L64] var_1_8 = __VERIFIER_nondet_double() [L65] CALL assume_abort_if_not((var_1_8 >= -461168.6018427382800e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 4611686.018427382800e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_15=-64, var_1_1=511/2, var_1_2=119, var_1_7=48/5, var_1_9=126/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_15=-64, var_1_1=511/2, var_1_2=119, var_1_7=48/5, var_1_9=126/5] [L65] RET assume_abort_if_not((var_1_8 >= -461168.6018427382800e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 4611686.018427382800e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=0, var_1_15=-64, var_1_1=511/2, var_1_2=119, var_1_7=48/5, var_1_9=126/5] [L66] var_1_9 = __VERIFIER_nondet_double() [L67] CALL assume_abort_if_not((var_1_9 >= -461168.6018427382800e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 4611686.018427382800e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_15=-64, var_1_1=511/2, var_1_2=119, var_1_7=48/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_15=-64, var_1_1=511/2, var_1_2=119, var_1_7=48/5] [L67] RET assume_abort_if_not((var_1_9 >= -461168.6018427382800e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 4611686.018427382800e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=0, var_1_15=-64, var_1_1=511/2, var_1_2=119, var_1_7=48/5] [L68] var_1_11 = __VERIFIER_nondet_uchar() [L69] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_15=-64, var_1_1=511/2, var_1_2=119, var_1_7=48/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_15=-64, var_1_1=511/2, var_1_2=119, var_1_7=48/5] [L69] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, var_1_10=1, var_1_15=-64, var_1_1=511/2, var_1_2=119, var_1_7=48/5] [L70] CALL assume_abort_if_not(var_1_11 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_15=-64, var_1_1=511/2, var_1_2=119, var_1_7=48/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_15=-64, var_1_1=511/2, var_1_2=119, var_1_7=48/5] [L70] RET assume_abort_if_not(var_1_11 <= 1) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_15=-64, var_1_1=511/2, var_1_2=119, var_1_7=48/5] [L84] RET updateVariables() [L85] CALL step() [L36] signed long int stepLocal_0 = (((8) < 0 ) ? -(8) : (8)); VAL [isInitial=1, stepLocal_0=8, var_1_10=1, var_1_11=1, var_1_15=-64, var_1_1=511/2, var_1_2=119, var_1_7=48/5] [L37] COND TRUE (((((200) < (128)) ? (200) : (128))) - var_1_2) > stepLocal_0 [L38] var_1_1 = (((((var_1_4) < (var_1_5)) ? (var_1_4) : (var_1_5))) - var_1_6) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_15=-64, var_1_2=119, var_1_7=48/5] [L42] COND TRUE var_1_5 >= (var_1_4 + var_1_6) [L43] var_1_7 = ((((var_1_8 + var_1_9) < 0 ) ? -(var_1_8 + var_1_9) : (var_1_8 + var_1_9))) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_15=-64, var_1_2=119, var_1_7=1000000000000005] [L45] COND FALSE !(((var_1_6 - var_1_4) + var_1_7) >= var_1_5) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_15=-64, var_1_2=119, var_1_7=1000000000000005] [L50] COND TRUE ((var_1_2 + var_1_15) + var_1_15) >= var_1_15 [L51] var_1_10 = var_1_2 VAL [isInitial=1, var_1_10=119, var_1_11=1, var_1_15=-64, var_1_2=119, var_1_7=1000000000000005] [L85] RET step() [L86] CALL, EXPR property() [L75-L76] return (((((((((200) < (128)) ? (200) : (128))) - var_1_2) > ((((8) < 0 ) ? -(8) : (8)))) ? (var_1_1 == ((float) (((((var_1_4) < (var_1_5)) ? (var_1_4) : (var_1_5))) - var_1_6))) : (var_1_1 == ((float) var_1_6))) && ((var_1_5 >= (var_1_4 + var_1_6)) ? (var_1_7 == ((double) ((((var_1_8 + var_1_9) < 0 ) ? -(var_1_8 + var_1_9) : (var_1_8 + var_1_9))))) : 1)) && ((((var_1_2 + var_1_15) + var_1_15) >= var_1_15) ? (var_1_10 == ((signed short int) var_1_2)) : 1)) && ((((var_1_6 - var_1_4) + var_1_7) >= var_1_5) ? (var_1_11 ? (var_1_15 == ((signed long int) 100)) : 1) : 1) ; VAL [\result=0, isInitial=1, var_1_10=119, var_1_11=1, var_1_15=-64, var_1_2=119, var_1_7=1000000000000005] [L86] RET, EXPR property() [L86] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=119, var_1_11=1, var_1_15=-64, var_1_2=119, var_1_7=1000000000000005] [L19] reach_error() VAL [isInitial=1, var_1_10=119, var_1_11=1, var_1_15=-64, var_1_2=119, var_1_7=1000000000000005] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 41 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 2, TraceHistogramMax: 9, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 54 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 54 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 67 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=41occurred 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, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 198 NumberOfCodeBlocks, 198 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 130 ConstructedInterpolants, 0 QuantifiedInterpolants, 130 SizeOfPredicates, 0 NumberOfNonLiveVariables, 160 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 272/288 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-02 06:08:09,128 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b326036-a3f4-4b2c-b9ee-0cf3dc55c2be/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b326036-a3f4-4b2c-b9ee-0cf3dc55c2be/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b326036-a3f4-4b2c-b9ee-0cf3dc55c2be/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b326036-a3f4-4b2c-b9ee-0cf3dc55c2be/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b326036-a3f4-4b2c-b9ee-0cf3dc55c2be/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-99.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b326036-a3f4-4b2c-b9ee-0cf3dc55c2be/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b326036-a3f4-4b2c-b9ee-0cf3dc55c2be/bin/uautomizer-verify-84ZbGMXZE1 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3f85399f13cd3660b524b9ee202c819bd1459b0c883e7c0e4ddb7463b5e0cc2f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 06:08:11,047 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 06:08:11,139 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b326036-a3f4-4b2c-b9ee-0cf3dc55c2be/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-12-02 06:08:11,146 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 06:08:11,147 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 06:08:11,171 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 06:08:11,171 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 06:08:11,172 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 06:08:11,172 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 06:08:11,172 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 06:08:11,172 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 06:08:11,172 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 06:08:11,173 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 06:08:11,173 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 06:08:11,173 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 06:08:11,173 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 06:08:11,173 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 06:08:11,173 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 06:08:11,173 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 06:08:11,173 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 06:08:11,173 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 06:08:11,174 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 06:08:11,174 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 06:08:11,174 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-02 06:08:11,174 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-02 06:08:11,174 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-02 06:08:11,174 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 06:08:11,174 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 06:08:11,174 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 06:08:11,174 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 06:08:11,175 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 06:08:11,175 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 06:08:11,175 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 06:08:11,175 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 06:08:11,175 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 06:08:11,175 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 06:08:11,175 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 06:08:11,175 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 06:08:11,175 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 06:08:11,175 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 06:08:11,176 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 06:08:11,176 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 06:08:11,176 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 06:08:11,176 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 06:08:11,176 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-12-02 06:08:11,176 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-02 06:08:11,176 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 06:08:11,176 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 06:08:11,176 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 06:08:11,176 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 06:08:11,176 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b326036-a3f4-4b2c-b9ee-0cf3dc55c2be/bin/uautomizer-verify-84ZbGMXZE1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3f85399f13cd3660b524b9ee202c819bd1459b0c883e7c0e4ddb7463b5e0cc2f [2024-12-02 06:08:11,441 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 06:08:11,450 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 06:08:11,452 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 06:08:11,454 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 06:08:11,454 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 06:08:11,455 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b326036-a3f4-4b2c-b9ee-0cf3dc55c2be/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-99.i [2024-12-02 06:08:14,494 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b326036-a3f4-4b2c-b9ee-0cf3dc55c2be/bin/uautomizer-verify-84ZbGMXZE1/data/2bbd8c9e2/4fcd226dbb3a4cb99bce223863db6640/FLAG8297b8507 [2024-12-02 06:08:14,691 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 06:08:14,692 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b326036-a3f4-4b2c-b9ee-0cf3dc55c2be/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-99.i [2024-12-02 06:08:14,700 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b326036-a3f4-4b2c-b9ee-0cf3dc55c2be/bin/uautomizer-verify-84ZbGMXZE1/data/2bbd8c9e2/4fcd226dbb3a4cb99bce223863db6640/FLAG8297b8507 [2024-12-02 06:08:15,047 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b326036-a3f4-4b2c-b9ee-0cf3dc55c2be/bin/uautomizer-verify-84ZbGMXZE1/data/2bbd8c9e2/4fcd226dbb3a4cb99bce223863db6640 [2024-12-02 06:08:15,049 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 06:08:15,050 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 06:08:15,051 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 06:08:15,051 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 06:08:15,055 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 06:08:15,055 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:08:15" (1/1) ... [2024-12-02 06:08:15,056 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d37eaf1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:08:15, skipping insertion in model container [2024-12-02 06:08:15,056 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:08:15" (1/1) ... [2024-12-02 06:08:15,068 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 06:08:15,176 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b326036-a3f4-4b2c-b9ee-0cf3dc55c2be/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-99.i[915,928] [2024-12-02 06:08:15,212 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 06:08:15,224 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 06:08:15,232 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b326036-a3f4-4b2c-b9ee-0cf3dc55c2be/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-99.i[915,928] [2024-12-02 06:08:15,249 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 06:08:15,262 INFO L204 MainTranslator]: Completed translation [2024-12-02 06:08:15,262 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:08:15 WrapperNode [2024-12-02 06:08:15,263 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 06:08:15,263 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 06:08:15,263 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 06:08:15,263 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 06:08:15,268 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:08:15" (1/1) ... [2024-12-02 06:08:15,277 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:08:15" (1/1) ... [2024-12-02 06:08:15,295 INFO L138 Inliner]: procedures = 27, calls = 22, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 90 [2024-12-02 06:08:15,296 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 06:08:15,296 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 06:08:15,296 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 06:08:15,296 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 06:08:15,303 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:08:15" (1/1) ... [2024-12-02 06:08:15,303 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:08:15" (1/1) ... [2024-12-02 06:08:15,306 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:08:15" (1/1) ... [2024-12-02 06:08:15,315 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-12-02 06:08:15,315 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:08:15" (1/1) ... [2024-12-02 06:08:15,315 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:08:15" (1/1) ... [2024-12-02 06:08:15,322 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:08:15" (1/1) ... [2024-12-02 06:08:15,323 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:08:15" (1/1) ... [2024-12-02 06:08:15,326 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:08:15" (1/1) ... [2024-12-02 06:08:15,328 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:08:15" (1/1) ... [2024-12-02 06:08:15,329 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:08:15" (1/1) ... [2024-12-02 06:08:15,332 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 06:08:15,332 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 06:08:15,332 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 06:08:15,333 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 06:08:15,333 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:08:15" (1/1) ... [2024-12-02 06:08:15,339 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 06:08:15,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b326036-a3f4-4b2c-b9ee-0cf3dc55c2be/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 06:08:15,358 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b326036-a3f4-4b2c-b9ee-0cf3dc55c2be/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 06:08:15,360 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b326036-a3f4-4b2c-b9ee-0cf3dc55c2be/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 06:08:15,382 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 06:08:15,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-12-02 06:08:15,382 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 06:08:15,382 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 06:08:15,382 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 06:08:15,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 06:08:15,440 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 06:08:15,441 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 06:08:22,717 INFO L? ?]: Removed 11 outVars from TransFormulas that were not future-live. [2024-12-02 06:08:22,717 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 06:08:22,726 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 06:08:22,726 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-02 06:08:22,726 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:08:22 BoogieIcfgContainer [2024-12-02 06:08:22,726 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 06:08:22,733 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 06:08:22,733 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 06:08:22,736 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 06:08:22,737 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 06:08:15" (1/3) ... [2024-12-02 06:08:22,737 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b8e8a72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:08:22, skipping insertion in model container [2024-12-02 06:08:22,737 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:08:15" (2/3) ... [2024-12-02 06:08:22,737 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b8e8a72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:08:22, skipping insertion in model container [2024-12-02 06:08:22,737 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:08:22" (3/3) ... [2024-12-02 06:08:22,739 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-1loop_file-99.i [2024-12-02 06:08:22,749 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 06:08:22,750 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_25-1loop_file-99.i that has 2 procedures, 41 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 06:08:22,787 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 06:08:22,796 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@7447c1a2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 06:08:22,796 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 06:08:22,799 INFO L276 IsEmpty]: Start isEmpty. Operand has 41 states, 29 states have (on average 1.3448275862068966) internal successors, (39), 30 states have internal predecessors, (39), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-12-02 06:08:22,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-12-02 06:08:22,804 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:08:22,804 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:08:22,805 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:08:22,808 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:08:22,809 INFO L85 PathProgramCache]: Analyzing trace with hash -1041746268, now seen corresponding path program 1 times [2024-12-02 06:08:22,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 06:08:22,817 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [219972549] [2024-12-02 06:08:22,817 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:08:22,817 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 06:08:22,817 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b326036-a3f4-4b2c-b9ee-0cf3dc55c2be/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 06:08:22,819 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b326036-a3f4-4b2c-b9ee-0cf3dc55c2be/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 06:08:22,820 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b326036-a3f4-4b2c-b9ee-0cf3dc55c2be/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-12-02 06:08:23,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:08:23,136 INFO L256 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 06:08:23,141 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:08:23,171 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-12-02 06:08:23,171 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 06:08:23,172 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 06:08:23,172 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [219972549] [2024-12-02 06:08:23,172 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [219972549] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:08:23,172 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:08:23,173 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 06:08:23,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1057608855] [2024-12-02 06:08:23,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:08:23,177 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 06:08:23,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 06:08:23,190 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 06:08:23,190 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 06:08:23,191 INFO L87 Difference]: Start difference. First operand has 41 states, 29 states have (on average 1.3448275862068966) internal successors, (39), 30 states have internal predecessors, (39), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Second operand has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-12-02 06:08:23,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:08:23,206 INFO L93 Difference]: Finished difference Result 79 states and 120 transitions. [2024-12-02 06:08:23,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 06:08:23,207 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 66 [2024-12-02 06:08:23,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:08:23,211 INFO L225 Difference]: With dead ends: 79 [2024-12-02 06:08:23,211 INFO L226 Difference]: Without dead ends: 37 [2024-12-02 06:08:23,213 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 06:08:23,215 INFO L435 NwaCegarLoop]: 54 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 54 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 06:08:23,215 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 06:08:23,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2024-12-02 06:08:23,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2024-12-02 06:08:23,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 26 states have (on average 1.2307692307692308) internal successors, (32), 26 states have internal predecessors, (32), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-12-02 06:08:23,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 50 transitions. [2024-12-02 06:08:23,248 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 50 transitions. Word has length 66 [2024-12-02 06:08:23,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:08:23,248 INFO L471 AbstractCegarLoop]: Abstraction has 37 states and 50 transitions. [2024-12-02 06:08:23,249 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-12-02 06:08:23,249 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 50 transitions. [2024-12-02 06:08:23,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-12-02 06:08:23,251 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:08:23,251 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:08:23,259 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b326036-a3f4-4b2c-b9ee-0cf3dc55c2be/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-12-02 06:08:23,452 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b326036-a3f4-4b2c-b9ee-0cf3dc55c2be/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 06:08:23,452 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:08:23,453 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:08:23,453 INFO L85 PathProgramCache]: Analyzing trace with hash 1607986222, now seen corresponding path program 1 times [2024-12-02 06:08:23,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 06:08:23,453 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1157306419] [2024-12-02 06:08:23,453 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:08:23,454 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 06:08:23,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b326036-a3f4-4b2c-b9ee-0cf3dc55c2be/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 06:08:23,455 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b326036-a3f4-4b2c-b9ee-0cf3dc55c2be/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 06:08:23,456 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b326036-a3f4-4b2c-b9ee-0cf3dc55c2be/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-12-02 06:08:23,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:08:23,825 INFO L256 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-12-02 06:08:23,834 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:08:48,025 WARN L286 SmtUtils]: Spent 5.42s on a formula simplification that was a NOOP. DAG size: 63 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-02 06:09:44,440 WARN L286 SmtUtils]: Spent 19.64s on a formula simplification that was a NOOP. DAG size: 74 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-02 06:09:52,637 WARN L286 SmtUtils]: Spent 8.18s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 06:10:00,710 WARN L286 SmtUtils]: Spent 8.07s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 06:10:08,833 WARN L286 SmtUtils]: Spent 8.12s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 06:10:15,748 WARN L286 SmtUtils]: Spent 6.91s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 06:10:23,839 WARN L286 SmtUtils]: Spent 8.09s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 06:10:31,933 WARN L286 SmtUtils]: Spent 8.09s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 06:10:40,024 WARN L286 SmtUtils]: Spent 8.09s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 06:10:48,124 WARN L286 SmtUtils]: Spent 8.10s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 06:10:56,210 WARN L286 SmtUtils]: Spent 8.09s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 06:11:04,316 WARN L286 SmtUtils]: Spent 8.10s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 06:11:12,060 WARN L286 SmtUtils]: Spent 7.74s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 06:11:20,151 WARN L286 SmtUtils]: Spent 8.09s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 06:11:28,250 WARN L286 SmtUtils]: Spent 8.10s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 06:11:36,349 WARN L286 SmtUtils]: Spent 8.10s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 06:11:44,455 WARN L286 SmtUtils]: Spent 8.11s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 06:11:52,557 WARN L286 SmtUtils]: Spent 8.10s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 06:12:00,660 WARN L286 SmtUtils]: Spent 8.10s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 06:12:08,758 WARN L286 SmtUtils]: Spent 8.10s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 06:12:16,866 WARN L286 SmtUtils]: Spent 8.11s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 06:12:24,977 WARN L286 SmtUtils]: Spent 8.11s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 06:12:33,080 WARN L286 SmtUtils]: Spent 8.10s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 06:12:41,182 WARN L286 SmtUtils]: Spent 8.10s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 06:12:49,298 WARN L286 SmtUtils]: Spent 8.12s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 06:12:57,401 WARN L286 SmtUtils]: Spent 8.10s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 06:13:05,511 WARN L286 SmtUtils]: Spent 8.11s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 06:13:13,621 WARN L286 SmtUtils]: Spent 8.11s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 06:13:17,707 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse2 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0))) (.cse9 ((_ to_fp 8 24) c_currentRoundingMode 4611686018427382800.0))) (let ((.cse0 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0)) (.cse6 ((_ to_fp 11 53) c_currentRoundingMode .cse9)) (.cse5 ((_ to_fp 11 53) c_currentRoundingMode .cse2)) (.cse3 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse9))) (.cse4 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse2)))) (and (not (fp.geq (fp.add c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (fp.sub c_currentRoundingMode c_~var_1_6~0 c_~var_1_4~0)) c_~var_1_7~0) ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_5~0))) (fp.leq c_~var_1_5~0 .cse0) (bvsgt (bvadd (_ bv128 32) (bvneg ((_ zero_extend 24) c_~var_1_2~0))) (_ bv8 32)) (let ((.cse1 (fp.lt c_~var_1_4~0 c_~var_1_5~0))) (or (and .cse1 (= c_~var_1_1~0 (fp.sub c_currentRoundingMode c_~var_1_4~0 c_~var_1_6~0))) (and (not .cse1) (= c_~var_1_1~0 (fp.sub c_currentRoundingMode c_~var_1_5~0 c_~var_1_6~0))))) (fp.geq c_~var_1_4~0 .cse2) (fp.leq c_~var_1_4~0 .cse0) (fp.geq c_~var_1_6~0 .cse2) (fp.geq c_~var_1_5~0 .cse2) (= (_ bv0 32) (bvadd (_ bv64 32) c_~var_1_15~0)) (fp.leq c_~var_1_6~0 .cse0) (or (and (fp.geq c_~var_1_8~0 .cse3) (fp.leq c_~var_1_8~0 .cse4)) (and (fp.geq c_~var_1_8~0 .cse5) (fp.leq c_~var_1_8~0 .cse6))) (let ((.cse7 (fp.add c_currentRoundingMode c_~var_1_8~0 c_~var_1_9~0))) (let ((.cse8 (fp.lt .cse7 ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32))))) (or (and (= c_~var_1_7~0 .cse7) (not .cse8)) (and (= c_~var_1_7~0 (fp.neg .cse7)) .cse8)))) (or (and (fp.leq c_~var_1_9~0 .cse6) (fp.geq c_~var_1_9~0 .cse5)) (and (fp.geq c_~var_1_9~0 .cse3) (fp.leq c_~var_1_9~0 .cse4))) (= c_currentRoundingMode roundNearestTiesToEven)))) is different from false [2024-12-02 06:13:21,738 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse2 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0))) (.cse9 ((_ to_fp 8 24) c_currentRoundingMode 4611686018427382800.0))) (let ((.cse0 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0)) (.cse6 ((_ to_fp 11 53) c_currentRoundingMode .cse9)) (.cse5 ((_ to_fp 11 53) c_currentRoundingMode .cse2)) (.cse3 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse9))) (.cse4 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse2)))) (and (not (fp.geq (fp.add c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (fp.sub c_currentRoundingMode c_~var_1_6~0 c_~var_1_4~0)) c_~var_1_7~0) ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_5~0))) (fp.leq c_~var_1_5~0 .cse0) (bvsgt (bvadd (_ bv128 32) (bvneg ((_ zero_extend 24) c_~var_1_2~0))) (_ bv8 32)) (let ((.cse1 (fp.lt c_~var_1_4~0 c_~var_1_5~0))) (or (and .cse1 (= c_~var_1_1~0 (fp.sub c_currentRoundingMode c_~var_1_4~0 c_~var_1_6~0))) (and (not .cse1) (= c_~var_1_1~0 (fp.sub c_currentRoundingMode c_~var_1_5~0 c_~var_1_6~0))))) (fp.geq c_~var_1_4~0 .cse2) (fp.leq c_~var_1_4~0 .cse0) (fp.geq c_~var_1_6~0 .cse2) (fp.geq c_~var_1_5~0 .cse2) (= (_ bv0 32) (bvadd (_ bv64 32) c_~var_1_15~0)) (fp.leq c_~var_1_6~0 .cse0) (or (and (fp.geq c_~var_1_8~0 .cse3) (fp.leq c_~var_1_8~0 .cse4)) (and (fp.geq c_~var_1_8~0 .cse5) (fp.leq c_~var_1_8~0 .cse6))) (let ((.cse7 (fp.add c_currentRoundingMode c_~var_1_8~0 c_~var_1_9~0))) (let ((.cse8 (fp.lt .cse7 ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32))))) (or (and (= c_~var_1_7~0 .cse7) (not .cse8)) (and (= c_~var_1_7~0 (fp.neg .cse7)) .cse8)))) (or (and (fp.leq c_~var_1_9~0 .cse6) (fp.geq c_~var_1_9~0 .cse5)) (and (fp.geq c_~var_1_9~0 .cse3) (fp.leq c_~var_1_9~0 .cse4))) (= c_currentRoundingMode roundNearestTiesToEven)))) is different from true [2024-12-02 06:13:29,865 WARN L286 SmtUtils]: Spent 8.11s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 06:13:37,617 WARN L286 SmtUtils]: Spent 7.75s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 06:13:45,324 WARN L286 SmtUtils]: Spent 7.71s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 06:13:53,417 WARN L286 SmtUtils]: Spent 8.09s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 06:14:01,514 WARN L286 SmtUtils]: Spent 8.10s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 06:14:09,628 WARN L286 SmtUtils]: Spent 8.11s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 06:14:17,731 WARN L286 SmtUtils]: Spent 8.10s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 06:14:25,846 WARN L286 SmtUtils]: Spent 8.11s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 06:14:32,852 WARN L286 SmtUtils]: Spent 7.01s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 06:14:40,957 WARN L286 SmtUtils]: Spent 8.11s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 06:14:47,380 WARN L286 SmtUtils]: Spent 6.42s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 06:14:55,486 WARN L286 SmtUtils]: Spent 8.11s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 06:15:03,594 WARN L286 SmtUtils]: Spent 8.11s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 06:15:11,727 WARN L286 SmtUtils]: Spent 8.13s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 06:15:19,829 WARN L286 SmtUtils]: Spent 8.10s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 06:15:27,936 WARN L286 SmtUtils]: Spent 8.11s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 06:15:36,037 WARN L286 SmtUtils]: Spent 8.10s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 06:15:44,152 WARN L286 SmtUtils]: Spent 8.11s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 06:15:52,257 WARN L286 SmtUtils]: Spent 8.10s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 06:16:00,365 WARN L286 SmtUtils]: Spent 8.11s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 06:16:08,480 WARN L286 SmtUtils]: Spent 8.11s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 06:16:16,593 WARN L286 SmtUtils]: Spent 8.11s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 06:16:24,710 WARN L286 SmtUtils]: Spent 8.12s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 06:16:32,810 WARN L286 SmtUtils]: Spent 8.10s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 06:16:40,923 WARN L286 SmtUtils]: Spent 8.11s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 06:16:46,790 WARN L286 SmtUtils]: Spent 5.87s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 06:16:54,889 WARN L286 SmtUtils]: Spent 8.10s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 06:17:02,992 WARN L286 SmtUtils]: Spent 8.10s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 06:17:07,025 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse3 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0))) (.cse10 ((_ to_fp 8 24) c_currentRoundingMode 4611686018427382800.0))) (let ((.cse1 ((_ zero_extend 24) c_~var_1_2~0)) (.cse0 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0)) (.cse7 ((_ to_fp 11 53) c_currentRoundingMode .cse10)) (.cse6 ((_ to_fp 11 53) c_currentRoundingMode .cse3)) (.cse4 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse10))) (.cse5 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse3)))) (and (not (fp.geq (fp.add c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (fp.sub c_currentRoundingMode c_~var_1_6~0 c_~var_1_4~0)) c_~var_1_7~0) ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_5~0))) (fp.leq c_~var_1_5~0 .cse0) (bvsgt (bvadd (_ bv128 32) (bvneg .cse1)) (_ bv8 32)) (let ((.cse2 (fp.lt c_~var_1_4~0 c_~var_1_5~0))) (or (and .cse2 (= c_~var_1_1~0 (fp.sub c_currentRoundingMode c_~var_1_4~0 c_~var_1_6~0))) (and (not .cse2) (= c_~var_1_1~0 (fp.sub c_currentRoundingMode c_~var_1_5~0 c_~var_1_6~0))))) (= c_~var_1_10~0 ((_ zero_extend 8) c_~var_1_2~0)) (fp.geq c_~var_1_4~0 .cse3) (bvsge (bvadd (_ bv4294967168 32) .cse1) (_ bv4294967232 32)) (fp.leq c_~var_1_4~0 .cse0) (fp.geq c_~var_1_6~0 .cse3) (fp.geq c_~var_1_5~0 .cse3) (= (_ bv0 32) (bvadd (_ bv64 32) c_~var_1_15~0)) (fp.leq c_~var_1_6~0 .cse0) (or (and (fp.geq c_~var_1_8~0 .cse4) (fp.leq c_~var_1_8~0 .cse5)) (and (fp.geq c_~var_1_8~0 .cse6) (fp.leq c_~var_1_8~0 .cse7))) (let ((.cse8 (fp.add c_currentRoundingMode c_~var_1_8~0 c_~var_1_9~0))) (let ((.cse9 (fp.lt .cse8 ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32))))) (or (and (= c_~var_1_7~0 .cse8) (not .cse9)) (and (= c_~var_1_7~0 (fp.neg .cse8)) .cse9)))) (or (and (fp.leq c_~var_1_9~0 .cse7) (fp.geq c_~var_1_9~0 .cse6)) (and (fp.geq c_~var_1_9~0 .cse4) (fp.leq c_~var_1_9~0 .cse5))) (= c_currentRoundingMode roundNearestTiesToEven)))) is different from false [2024-12-02 06:17:53,830 WARN L286 SmtUtils]: Spent 8.13s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 06:18:16,850 WARN L286 SmtUtils]: Spent 6.05s on a formula simplification. DAG size of input: 6 DAG size of output: 1 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 06:18:25,346 WARN L286 SmtUtils]: Spent 8.15s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 06:18:48,341 WARN L286 SmtUtils]: Spent 8.12s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 06:19:06,105 WARN L286 SmtUtils]: Spent 8.11s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 06:19:14,230 WARN L286 SmtUtils]: Spent 8.12s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 06:19:20,954 WARN L286 SmtUtils]: Spent 5.98s on a formula simplification. DAG size of input: 3 DAG size of output: 1 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 06:19:57,277 WARN L286 SmtUtils]: Spent 8.11s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 06:20:05,421 WARN L286 SmtUtils]: Spent 8.11s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 06:20:15,366 WARN L286 SmtUtils]: Spent 8.10s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 06:20:23,489 WARN L286 SmtUtils]: Spent 8.12s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 06:20:35,838 WARN L286 SmtUtils]: Spent 5.18s on a formula simplification. DAG size of input: 8 DAG size of output: 1 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 06:20:51,403 WARN L286 SmtUtils]: Spent 8.11s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 06:20:59,525 WARN L286 SmtUtils]: Spent 8.12s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 06:21:11,501 WARN L286 SmtUtils]: Spent 8.13s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 06:21:17,026 WARN L286 SmtUtils]: Spent 5.52s on a formula simplification. DAG size of input: 4 DAG size of output: 1 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 06:21:32,426 WARN L286 SmtUtils]: Spent 8.11s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 06:21:42,620 WARN L286 SmtUtils]: Spent 8.12s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 06:21:50,737 WARN L286 SmtUtils]: Spent 8.12s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 06:22:02,263 WARN L286 SmtUtils]: Spent 7.41s on a formula simplification. DAG size of input: 3 DAG size of output: 1 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 06:22:09,452 WARN L286 SmtUtils]: Spent 7.19s on a formula simplification. DAG size of input: 3 DAG size of output: 1 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 06:22:17,570 WARN L286 SmtUtils]: Spent 8.12s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 06:22:30,265 WARN L286 SmtUtils]: Spent 8.12s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 06:22:38,389 WARN L286 SmtUtils]: Spent 8.11s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 06:22:46,511 WARN L286 SmtUtils]: Spent 8.12s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 06:22:54,976 WARN L286 SmtUtils]: Spent 8.12s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 06:23:16,643 WARN L286 SmtUtils]: Spent 8.12s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)