/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --cacsl2boogietranslator.allow.undefined.functions true --traceabstraction.smt.solver External_ModelsAndUnsatCoreMode --traceabstraction.command.for.external.solver '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' -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/floats-cbmc-regression/float-no-simp4.i -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-b75d321-m [2024-11-03 09:07:29,090 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-03 09:07:29,163 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-03 09:07:29,169 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-03 09:07:29,169 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-03 09:07:29,198 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-03 09:07:29,199 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-03 09:07:29,199 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-03 09:07:29,200 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-03 09:07:29,200 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-03 09:07:29,201 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-03 09:07:29,201 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-03 09:07:29,202 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-03 09:07:29,203 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-03 09:07:29,203 INFO L153 SettingsManager]: * Use SBE=true [2024-11-03 09:07:29,203 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-03 09:07:29,204 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-03 09:07:29,204 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-03 09:07:29,204 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-03 09:07:29,205 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-03 09:07:29,205 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-03 09:07:29,208 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-03 09:07:29,208 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-03 09:07:29,209 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-03 09:07:29,209 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-03 09:07:29,209 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-03 09:07:29,209 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-03 09:07:29,210 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-03 09:07:29,210 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-03 09:07:29,210 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-03 09:07:29,210 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-03 09:07:29,211 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-03 09:07:29,211 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-03 09:07:29,211 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-03 09:07:29,212 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-03 09:07:29,212 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-03 09:07:29,213 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-03 09:07:29,213 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-03 09:07:29,213 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-03 09:07:29,213 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-03 09:07:29,213 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-03 09:07:29,214 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-03 09:07:29,214 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-03 09:07:29,214 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-03 09:07:29,214 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-03 09:07:29,449 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-03 09:07:29,478 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-03 09:07:29,482 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-03 09:07:29,483 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-03 09:07:29,483 INFO L274 PluginConnector]: CDTParser initialized [2024-11-03 09:07:29,485 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-cbmc-regression/float-no-simp4.i [2024-11-03 09:07:30,923 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-03 09:07:31,156 INFO L384 CDTParser]: Found 1 translation units. [2024-11-03 09:07:31,157 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float-no-simp4.i [2024-11-03 09:07:31,176 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a5dfd541f/a1e8310b1df94f5395d7788be732ecd3/FLAG73d9555da [2024-11-03 09:07:31,189 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a5dfd541f/a1e8310b1df94f5395d7788be732ecd3 [2024-11-03 09:07:31,191 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-03 09:07:31,192 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-03 09:07:31,193 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-03 09:07:31,194 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-03 09:07:31,197 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-03 09:07:31,198 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 09:07:31" (1/1) ... [2024-11-03 09:07:31,199 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28614d53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 09:07:31, skipping insertion in model container [2024-11-03 09:07:31,199 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 09:07:31" (1/1) ... [2024-11-03 09:07:31,247 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-03 09:07:31,656 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float-no-simp4.i[41149,41162] [2024-11-03 09:07:31,660 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float-no-simp4.i[41296,41309] [2024-11-03 09:07:31,662 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float-no-simp4.i[41445,41458] [2024-11-03 09:07:31,664 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float-no-simp4.i[41846,41859] [2024-11-03 09:07:31,665 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float-no-simp4.i[41993,42006] [2024-11-03 09:07:31,670 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float-no-simp4.i[42394,42407] [2024-11-03 09:07:31,670 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float-no-simp4.i[42541,42554] [2024-11-03 09:07:31,672 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float-no-simp4.i[42582,42595] [2024-11-03 09:07:31,675 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float-no-simp4.i[42965,42978] [2024-11-03 09:07:31,676 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float-no-simp4.i[43112,43125] [2024-11-03 09:07:31,681 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float-no-simp4.i[43610,43623] [2024-11-03 09:07:31,682 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-03 09:07:31,698 INFO L200 MainTranslator]: Completed pre-run [2024-11-03 09:07:31,733 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float-no-simp4.i[41149,41162] [2024-11-03 09:07:31,734 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float-no-simp4.i[41296,41309] [2024-11-03 09:07:31,735 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float-no-simp4.i[41445,41458] [2024-11-03 09:07:31,737 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float-no-simp4.i[41846,41859] [2024-11-03 09:07:31,738 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float-no-simp4.i[41993,42006] [2024-11-03 09:07:31,740 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float-no-simp4.i[42394,42407] [2024-11-03 09:07:31,741 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float-no-simp4.i[42541,42554] [2024-11-03 09:07:31,741 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float-no-simp4.i[42582,42595] [2024-11-03 09:07:31,743 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float-no-simp4.i[42965,42978] [2024-11-03 09:07:31,744 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float-no-simp4.i[43112,43125] [2024-11-03 09:07:31,746 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float-no-simp4.i[43610,43623] [2024-11-03 09:07:31,747 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-03 09:07:31,849 INFO L204 MainTranslator]: Completed translation [2024-11-03 09:07:31,850 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 09:07:31 WrapperNode [2024-11-03 09:07:31,850 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-03 09:07:31,851 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-03 09:07:31,851 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-03 09:07:31,851 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-03 09:07:31,856 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 09:07:31" (1/1) ... [2024-11-03 09:07:31,877 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 09:07:31" (1/1) ... [2024-11-03 09:07:31,897 INFO L138 Inliner]: procedures = 449, calls = 11, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 82 [2024-11-03 09:07:31,898 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-03 09:07:31,898 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-03 09:07:31,898 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-03 09:07:31,899 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-03 09:07:31,906 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 09:07:31" (1/1) ... [2024-11-03 09:07:31,906 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 09:07:31" (1/1) ... [2024-11-03 09:07:31,908 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 09:07:31" (1/1) ... [2024-11-03 09:07:31,918 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-03 09:07:31,919 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 09:07:31" (1/1) ... [2024-11-03 09:07:31,919 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 09:07:31" (1/1) ... [2024-11-03 09:07:31,924 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 09:07:31" (1/1) ... [2024-11-03 09:07:31,926 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 09:07:31" (1/1) ... [2024-11-03 09:07:31,928 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 09:07:31" (1/1) ... [2024-11-03 09:07:31,930 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 09:07:31" (1/1) ... [2024-11-03 09:07:31,936 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-03 09:07:31,938 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-03 09:07:31,938 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-03 09:07:31,938 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-03 09:07:31,939 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 09:07:31" (1/1) ... [2024-11-03 09:07:31,944 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-03 09:07:31,954 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-03 09:07:31,966 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-03 09:07:31,968 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-03 09:07:31,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-03 09:07:31,998 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-03 09:07:31,999 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-03 09:07:31,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-03 09:07:31,999 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-03 09:07:31,999 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-03 09:07:32,076 INFO L238 CfgBuilder]: Building ICFG [2024-11-03 09:07:32,078 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-03 09:07:32,235 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-11-03 09:07:32,236 INFO L287 CfgBuilder]: Performing block encoding [2024-11-03 09:07:32,246 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-03 09:07:32,246 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-03 09:07:32,246 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 09:07:32 BoogieIcfgContainer [2024-11-03 09:07:32,246 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-03 09:07:32,248 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-03 09:07:32,248 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-03 09:07:32,251 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-03 09:07:32,251 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 09:07:31" (1/3) ... [2024-11-03 09:07:32,252 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fe98e4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 09:07:32, skipping insertion in model container [2024-11-03 09:07:32,252 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 09:07:31" (2/3) ... [2024-11-03 09:07:32,252 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fe98e4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 09:07:32, skipping insertion in model container [2024-11-03 09:07:32,252 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 09:07:32" (3/3) ... [2024-11-03 09:07:32,253 INFO L112 eAbstractionObserver]: Analyzing ICFG float-no-simp4.i [2024-11-03 09:07:32,266 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-03 09:07:32,266 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 11 error locations. [2024-11-03 09:07:32,319 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-03 09:07:32,325 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;@4a94903, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-03 09:07:32,325 INFO L334 AbstractCegarLoop]: Starting to check reachability of 11 error locations. [2024-11-03 09:07:32,330 INFO L276 IsEmpty]: Start isEmpty. Operand has 51 states, 33 states have (on average 1.696969696969697) internal successors, (56), 44 states have internal predecessors, (56), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-03 09:07:32,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-03 09:07:32,336 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 09:07:32,337 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 09:07:32,338 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-03 09:07:32,343 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 09:07:32,343 INFO L85 PathProgramCache]: Analyzing trace with hash 855794161, now seen corresponding path program 1 times [2024-11-03 09:07:32,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 09:07:32,349 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1852204755] [2024-11-03 09:07:32,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 09:07:32,351 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-03 09:07:32,351 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-03 09:07:32,352 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-03 09:07:32,355 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-03 09:07:32,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 09:07:32,403 INFO L255 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-03 09:07:32,406 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 09:07:32,419 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-03 09:07:32,419 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 09:07:32,431 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-03 09:07:32,432 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 09:07:32,432 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1852204755] [2024-11-03 09:07:32,433 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1852204755] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-03 09:07:32,433 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-03 09:07:32,433 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2024-11-03 09:07:32,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1557957685] [2024-11-03 09:07:32,435 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-03 09:07:32,438 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-03 09:07:32,438 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 09:07:32,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-03 09:07:32,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-03 09:07:32,459 INFO L87 Difference]: Start difference. First operand has 51 states, 33 states have (on average 1.696969696969697) internal successors, (56), 44 states have internal predecessors, (56), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-03 09:07:32,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 09:07:32,478 INFO L93 Difference]: Finished difference Result 99 states and 133 transitions. [2024-11-03 09:07:32,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-03 09:07:32,479 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 9 [2024-11-03 09:07:32,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 09:07:32,487 INFO L225 Difference]: With dead ends: 99 [2024-11-03 09:07:32,487 INFO L226 Difference]: Without dead ends: 48 [2024-11-03 09:07:32,491 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-03 09:07:32,496 INFO L432 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 [2024-11-03 09:07:32,498 INFO L433 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] [2024-11-03 09:07:32,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2024-11-03 09:07:32,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2024-11-03 09:07:32,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 31 states have (on average 1.3225806451612903) internal successors, (41), 41 states have internal predecessors, (41), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-03 09:07:32,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 51 transitions. [2024-11-03 09:07:32,526 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 51 transitions. Word has length 9 [2024-11-03 09:07:32,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 09:07:32,527 INFO L471 AbstractCegarLoop]: Abstraction has 48 states and 51 transitions. [2024-11-03 09:07:32,527 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-03 09:07:32,527 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 51 transitions. [2024-11-03 09:07:32,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-03 09:07:32,528 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 09:07:32,528 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 09:07:32,532 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-03 09:07:32,729 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-03 09:07:32,729 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-03 09:07:32,730 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 09:07:32,730 INFO L85 PathProgramCache]: Analyzing trace with hash 857641203, now seen corresponding path program 1 times [2024-11-03 09:07:32,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 09:07:32,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [978584420] [2024-11-03 09:07:32,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 09:07:32,731 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-03 09:07:32,731 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-03 09:07:32,732 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-03 09:07:32,733 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-03 09:07:32,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 09:07:32,771 INFO L255 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-03 09:07:32,773 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 09:07:32,956 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-03 09:07:32,956 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 09:07:33,216 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-03 09:07:33,217 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 09:07:33,217 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [978584420] [2024-11-03 09:07:33,217 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [978584420] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-03 09:07:33,217 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-03 09:07:33,217 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 7 [2024-11-03 09:07:33,218 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777333559] [2024-11-03 09:07:33,218 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-03 09:07:33,221 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-03 09:07:33,221 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 09:07:33,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-03 09:07:33,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-03 09:07:33,223 INFO L87 Difference]: Start difference. First operand 48 states and 51 transitions. Second operand has 7 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 5 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-03 09:07:33,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 09:07:33,354 INFO L93 Difference]: Finished difference Result 48 states and 51 transitions. [2024-11-03 09:07:33,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-03 09:07:33,356 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 5 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 9 [2024-11-03 09:07:33,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 09:07:33,357 INFO L225 Difference]: With dead ends: 48 [2024-11-03 09:07:33,357 INFO L226 Difference]: Without dead ends: 42 [2024-11-03 09:07:33,357 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-03 09:07:33,359 INFO L432 NwaCegarLoop]: 36 mSDtfsCounter, 4 mSDsluCounter, 94 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 130 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-03 09:07:33,360 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 130 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-03 09:07:33,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2024-11-03 09:07:33,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2024-11-03 09:07:33,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 28 states have (on average 1.25) internal successors, (35), 35 states have internal predecessors, (35), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-03 09:07:33,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 45 transitions. [2024-11-03 09:07:33,372 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 45 transitions. Word has length 9 [2024-11-03 09:07:33,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 09:07:33,374 INFO L471 AbstractCegarLoop]: Abstraction has 42 states and 45 transitions. [2024-11-03 09:07:33,374 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 5 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-03 09:07:33,374 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 45 transitions. [2024-11-03 09:07:33,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-03 09:07:33,375 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 09:07:33,375 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 09:07:33,381 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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)] Forceful destruction successful, exit code 0 [2024-11-03 09:07:33,576 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-03 09:07:33,577 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-03 09:07:33,578 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 09:07:33,578 INFO L85 PathProgramCache]: Analyzing trace with hash -1222120034, now seen corresponding path program 1 times [2024-11-03 09:07:33,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 09:07:33,578 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [71091189] [2024-11-03 09:07:33,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 09:07:33,579 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-03 09:07:33,579 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-03 09:07:33,583 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-03 09:07:33,584 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-03 09:07:33,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 09:07:33,627 INFO L255 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-03 09:07:33,630 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 09:07:33,664 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-03 09:07:33,664 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 09:07:33,759 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-03 09:07:33,759 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 09:07:33,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [71091189] [2024-11-03 09:07:33,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [71091189] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-03 09:07:33,760 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-03 09:07:33,760 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 7 [2024-11-03 09:07:33,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [549733529] [2024-11-03 09:07:33,760 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-03 09:07:33,761 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-03 09:07:33,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 09:07:33,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-03 09:07:33,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-03 09:07:33,762 INFO L87 Difference]: Start difference. First operand 42 states and 45 transitions. Second operand has 7 states, 7 states have (on average 2.4285714285714284) internal successors, (17), 5 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-03 09:07:33,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 09:07:33,825 INFO L93 Difference]: Finished difference Result 42 states and 45 transitions. [2024-11-03 09:07:33,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-03 09:07:33,825 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.4285714285714284) internal successors, (17), 5 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) Word has length 18 [2024-11-03 09:07:33,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 09:07:33,826 INFO L225 Difference]: With dead ends: 42 [2024-11-03 09:07:33,827 INFO L226 Difference]: Without dead ends: 38 [2024-11-03 09:07:33,827 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-03 09:07:33,828 INFO L432 NwaCegarLoop]: 33 mSDtfsCounter, 2 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 117 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-03 09:07:33,831 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 117 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-03 09:07:33,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2024-11-03 09:07:33,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2024-11-03 09:07:33,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 26 states have (on average 1.1923076923076923) internal successors, (31), 31 states have internal predecessors, (31), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-03 09:07:33,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 41 transitions. [2024-11-03 09:07:33,839 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 41 transitions. Word has length 18 [2024-11-03 09:07:33,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 09:07:33,840 INFO L471 AbstractCegarLoop]: Abstraction has 38 states and 41 transitions. [2024-11-03 09:07:33,840 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.4285714285714284) internal successors, (17), 5 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-03 09:07:33,841 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 41 transitions. [2024-11-03 09:07:33,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-03 09:07:33,842 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 09:07:33,842 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 09:07:33,847 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2024-11-03 09:07:34,045 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-03 09:07:34,046 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-03 09:07:34,046 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 09:07:34,047 INFO L85 PathProgramCache]: Analyzing trace with hash -1704996651, now seen corresponding path program 1 times [2024-11-03 09:07:34,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 09:07:34,047 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1076911252] [2024-11-03 09:07:34,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 09:07:34,047 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-03 09:07:34,047 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-03 09:07:34,049 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-03 09:07:34,050 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-11-03 09:07:34,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 09:07:34,086 INFO L255 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-03 09:07:34,087 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 09:07:34,115 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-03 09:07:34,115 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 09:07:34,205 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-03 09:07:34,205 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 09:07:34,206 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1076911252] [2024-11-03 09:07:34,206 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1076911252] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-03 09:07:34,206 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-03 09:07:34,206 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 7 [2024-11-03 09:07:34,206 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1456743617] [2024-11-03 09:07:34,206 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-03 09:07:34,206 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-03 09:07:34,207 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 09:07:34,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-03 09:07:34,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-03 09:07:34,207 INFO L87 Difference]: Start difference. First operand 38 states and 41 transitions. Second operand has 7 states, 7 states have (on average 2.857142857142857) internal successors, (20), 5 states have internal predecessors, (20), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (4), 3 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-03 09:07:34,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 09:07:34,261 INFO L93 Difference]: Finished difference Result 38 states and 41 transitions. [2024-11-03 09:07:34,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-03 09:07:34,262 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.857142857142857) internal successors, (20), 5 states have internal predecessors, (20), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (4), 3 states have call predecessors, (4), 1 states have call successors, (4) Word has length 26 [2024-11-03 09:07:34,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 09:07:34,262 INFO L225 Difference]: With dead ends: 38 [2024-11-03 09:07:34,262 INFO L226 Difference]: Without dead ends: 32 [2024-11-03 09:07:34,263 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-03 09:07:34,263 INFO L432 NwaCegarLoop]: 26 mSDtfsCounter, 4 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 70 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-03 09:07:34,266 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 70 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-03 09:07:34,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2024-11-03 09:07:34,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2024-11-03 09:07:34,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 23 states have (on average 1.0869565217391304) internal successors, (25), 25 states have internal predecessors, (25), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-03 09:07:34,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 35 transitions. [2024-11-03 09:07:34,275 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 35 transitions. Word has length 26 [2024-11-03 09:07:34,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 09:07:34,275 INFO L471 AbstractCegarLoop]: Abstraction has 32 states and 35 transitions. [2024-11-03 09:07:34,275 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.857142857142857) internal successors, (20), 5 states have internal predecessors, (20), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (4), 3 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-03 09:07:34,275 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 35 transitions. [2024-11-03 09:07:34,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-03 09:07:34,276 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 09:07:34,276 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 09:07:34,281 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2024-11-03 09:07:34,479 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-03 09:07:34,480 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-03 09:07:34,480 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 09:07:34,480 INFO L85 PathProgramCache]: Analyzing trace with hash -826066940, now seen corresponding path program 1 times [2024-11-03 09:07:34,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 09:07:34,480 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [153163091] [2024-11-03 09:07:34,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 09:07:34,481 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-03 09:07:34,481 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-03 09:07:34,484 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-03 09:07:34,485 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 (6)] Waiting until timeout for monitored process [2024-11-03 09:07:34,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 09:07:34,530 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-03 09:07:34,532 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 09:07:34,572 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-03 09:07:34,572 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 09:07:34,648 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-03 09:07:34,648 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 09:07:34,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [153163091] [2024-11-03 09:07:34,649 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [153163091] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-03 09:07:34,649 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-03 09:07:34,649 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 7 [2024-11-03 09:07:34,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [694170687] [2024-11-03 09:07:34,649 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-03 09:07:34,650 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-03 09:07:34,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 09:07:34,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-03 09:07:34,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-03 09:07:34,651 INFO L87 Difference]: Start difference. First operand 32 states and 35 transitions. Second operand has 7 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 5 states have internal predecessors, (24), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (5), 3 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-03 09:07:34,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 09:07:34,718 INFO L93 Difference]: Finished difference Result 32 states and 35 transitions. [2024-11-03 09:07:34,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-03 09:07:34,720 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 5 states have internal predecessors, (24), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (5), 3 states have call predecessors, (5), 1 states have call successors, (5) Word has length 35 [2024-11-03 09:07:34,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 09:07:34,721 INFO L225 Difference]: With dead ends: 32 [2024-11-03 09:07:34,721 INFO L226 Difference]: Without dead ends: 28 [2024-11-03 09:07:34,721 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-03 09:07:34,722 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 1 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 98 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-03 09:07:34,722 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 98 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-03 09:07:34,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2024-11-03 09:07:34,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2024-11-03 09:07:34,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 21 states have (on average 1.0) internal successors, (21), 21 states have internal predecessors, (21), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-03 09:07:34,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 31 transitions. [2024-11-03 09:07:34,729 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 31 transitions. Word has length 35 [2024-11-03 09:07:34,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 09:07:34,732 INFO L471 AbstractCegarLoop]: Abstraction has 28 states and 31 transitions. [2024-11-03 09:07:34,732 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 5 states have internal predecessors, (24), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (5), 3 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-03 09:07:34,732 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 31 transitions. [2024-11-03 09:07:34,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-03 09:07:34,733 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 09:07:34,733 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 09:07:34,737 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 (6)] Ended with exit code 0 [2024-11-03 09:07:34,937 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-03 09:07:34,937 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-03 09:07:34,938 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 09:07:34,938 INFO L85 PathProgramCache]: Analyzing trace with hash 1889668375, now seen corresponding path program 1 times [2024-11-03 09:07:34,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 09:07:34,938 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [962600548] [2024-11-03 09:07:34,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 09:07:34,938 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-03 09:07:34,939 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-03 09:07:34,940 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-03 09:07:34,941 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 (7)] Waiting until timeout for monitored process [2024-11-03 09:07:34,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 09:07:34,985 INFO L255 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-03 09:07:34,987 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 09:07:35,021 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-03 09:07:35,022 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 09:07:35,110 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-03 09:07:35,111 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 09:07:35,111 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [962600548] [2024-11-03 09:07:35,111 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [962600548] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-03 09:07:35,111 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-03 09:07:35,111 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 6 [2024-11-03 09:07:35,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [531505544] [2024-11-03 09:07:35,111 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-03 09:07:35,112 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-03 09:07:35,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 09:07:35,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-03 09:07:35,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-03 09:07:35,113 INFO L87 Difference]: Start difference. First operand 28 states and 31 transitions. Second operand has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 5 states have internal predecessors, (26), 1 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-03 09:07:35,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 09:07:35,155 INFO L93 Difference]: Finished difference Result 28 states and 31 transitions. [2024-11-03 09:07:35,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-03 09:07:35,155 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 5 states have internal predecessors, (26), 1 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) Word has length 43 [2024-11-03 09:07:35,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 09:07:35,156 INFO L225 Difference]: With dead ends: 28 [2024-11-03 09:07:35,156 INFO L226 Difference]: Without dead ends: 0 [2024-11-03 09:07:35,156 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 79 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-03 09:07:35,157 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 0 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-03 09:07:35,157 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 61 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-03 09:07:35,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-03 09:07:35,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-03 09:07:35,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-03 09:07:35,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-03 09:07:35,159 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 43 [2024-11-03 09:07:35,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 09:07:35,159 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-03 09:07:35,159 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 5 states have internal predecessors, (26), 1 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-03 09:07:35,159 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-03 09:07:35,159 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-03 09:07:35,162 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (10 of 11 remaining) [2024-11-03 09:07:35,163 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (9 of 11 remaining) [2024-11-03 09:07:35,163 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (8 of 11 remaining) [2024-11-03 09:07:35,163 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (7 of 11 remaining) [2024-11-03 09:07:35,163 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (6 of 11 remaining) [2024-11-03 09:07:35,163 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION (5 of 11 remaining) [2024-11-03 09:07:35,163 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION (4 of 11 remaining) [2024-11-03 09:07:35,163 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION (3 of 11 remaining) [2024-11-03 09:07:35,163 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION (2 of 11 remaining) [2024-11-03 09:07:35,164 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION (1 of 11 remaining) [2024-11-03 09:07:35,164 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION (0 of 11 remaining) [2024-11-03 09:07:35,168 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 (7)] Forceful destruction successful, exit code 0 [2024-11-03 09:07:35,367 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-03 09:07:35,370 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2024-11-03 09:07:35,372 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-03 09:07:35,387 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-03 09:07:35,402 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~FP_NAN [2024-11-03 09:07:35,403 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~FP_INFINITE [2024-11-03 09:07:35,403 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~FP_ZERO [2024-11-03 09:07:35,403 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~FP_SUBNORMAL [2024-11-03 09:07:35,404 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~FP_NORMAL [2024-11-03 09:07:35,404 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_IEEE_ [2024-11-03 09:07:35,404 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_SVID_ [2024-11-03 09:07:35,404 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_XOPEN_ [2024-11-03 09:07:35,404 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_POSIX_ [2024-11-03 09:07:35,404 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISOC_ [2024-11-03 09:07:35,407 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.11 09:07:35 BoogieIcfgContainer [2024-11-03 09:07:35,407 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-03 09:07:35,407 INFO L158 Benchmark]: Toolchain (without parser) took 4215.08ms. Allocated memory is still 275.8MB. Free memory was 228.1MB in the beginning and 181.9MB in the end (delta: 46.3MB). Peak memory consumption was 47.2MB. Max. memory is 8.0GB. [2024-11-03 09:07:35,408 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 179.3MB. Free memory is still 133.0MB. There was no memory consumed. Max. memory is 8.0GB. [2024-11-03 09:07:35,408 INFO L158 Benchmark]: CACSL2BoogieTranslator took 657.06ms. Allocated memory is still 275.8MB. Free memory was 227.7MB in the beginning and 176.7MB in the end (delta: 51.0MB). Peak memory consumption was 51.4MB. Max. memory is 8.0GB. [2024-11-03 09:07:35,408 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.66ms. Allocated memory is still 275.8MB. Free memory was 176.7MB in the beginning and 173.6MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2024-11-03 09:07:35,408 INFO L158 Benchmark]: Boogie Preprocessor took 38.56ms. Allocated memory is still 275.8MB. Free memory was 173.6MB in the beginning and 171.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-11-03 09:07:35,409 INFO L158 Benchmark]: RCFGBuilder took 308.74ms. Allocated memory is still 275.8MB. Free memory was 171.5MB in the beginning and 236.6MB in the end (delta: -65.1MB). Peak memory consumption was 7.7MB. Max. memory is 8.0GB. [2024-11-03 09:07:35,409 INFO L158 Benchmark]: TraceAbstraction took 3158.68ms. Allocated memory is still 275.8MB. Free memory was 236.1MB in the beginning and 181.9MB in the end (delta: 54.2MB). Peak memory consumption was 54.2MB. Max. memory is 8.0GB. [2024-11-03 09:07:35,411 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 179.3MB. Free memory is still 133.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 657.06ms. Allocated memory is still 275.8MB. Free memory was 227.7MB in the beginning and 176.7MB in the end (delta: 51.0MB). Peak memory consumption was 51.4MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 46.66ms. Allocated memory is still 275.8MB. Free memory was 176.7MB in the beginning and 173.6MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 38.56ms. Allocated memory is still 275.8MB. Free memory was 173.6MB in the beginning and 171.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 308.74ms. Allocated memory is still 275.8MB. Free memory was 171.5MB in the beginning and 236.6MB in the end (delta: -65.1MB). Peak memory consumption was 7.7MB. Max. memory is 8.0GB. * TraceAbstraction took 3158.68ms. Allocated memory is still 275.8MB. Free memory was 236.1MB in the beginning and 181.9MB in the end (delta: 54.2MB). Peak memory consumption was 54.2MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed0~0~FP_NAN - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed0~0~FP_INFINITE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed0~0~FP_ZERO - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed0~0~FP_SUBNORMAL - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed0~0~FP_NORMAL - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_IEEE_ - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_SVID_ - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_XOPEN_ - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_POSIX_ - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISOC_ * 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 - PositiveResult [Line: 973]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 974]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 975]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 981]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 982]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 988]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 989]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 990]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 997]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 998]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 1004]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 51 locations, 11 error locations. Started 1 CEGAR loops. OverallTime: 3.1s, OverallIterations: 6, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 11 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 11 mSDsluCounter, 530 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 335 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 193 IncrementalHoareTripleChecker+Invalid, 199 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 195 mSDtfsCounter, 193 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 268 GetRequests, 243 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=51occurred in iteration=0, InterpolantAutomatonStates: 27, 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, 6 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 140 NumberOfCodeBlocks, 140 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 268 ConstructedInterpolants, 0 QuantifiedInterpolants, 402 SizeOfPredicates, 5 NumberOfNonLiveVariables, 232 ConjunctsInSsa, 21 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 160/160 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 - AllSpecificationsHoldResult: All specifications hold 11 specifications checked. All of them hold - ProcedureContractResult [Line: 2]: Procedure Contract for assume_abort_if_not Derived contract for procedure assume_abort_if_not. Ensures: ((0 != cond) && ((signgam == \old(signgam)) && (_LIB_VERSION == \old(_LIB_VERSION)))) RESULT: Ultimate proved your program to be correct! [2024-11-03 09:07:35,438 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...