/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 --cacsl2boogietranslator.allow.undefined.functions true --traceabstraction.trace.refinement.strategy FOX -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/neural-networks/vdp_8_unsafe.c-amalgamation.i -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-17387ad-m [2024-11-06 10:51:26,010 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-06 10:51:26,072 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-06 10:51:26,078 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-06 10:51:26,079 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-06 10:51:26,103 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-06 10:51:26,103 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-06 10:51:26,104 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-06 10:51:26,105 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-06 10:51:26,108 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-06 10:51:26,108 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-06 10:51:26,108 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-06 10:51:26,109 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-06 10:51:26,109 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-06 10:51:26,109 INFO L153 SettingsManager]: * Use SBE=true [2024-11-06 10:51:26,109 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-06 10:51:26,110 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-06 10:51:26,110 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-06 10:51:26,110 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-06 10:51:26,110 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-06 10:51:26,111 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-06 10:51:26,113 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-06 10:51:26,114 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-06 10:51:26,114 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-06 10:51:26,114 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-06 10:51:26,114 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-06 10:51:26,115 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-06 10:51:26,115 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-06 10:51:26,115 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-06 10:51:26,115 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-06 10:51:26,116 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-06 10:51:26,116 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-06 10:51:26,116 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-06 10:51:26,116 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-06 10:51:26,116 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-06 10:51:26,117 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-06 10:51:26,117 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-06 10:51:26,118 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-06 10:51:26,119 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-06 10:51:26,119 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-06 10:51:26,119 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-06 10:51:26,119 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-06 10:51:26,120 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-06 10:51:26,120 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-06 10:51:26,120 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FOX [2024-11-06 10:51:26,308 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-06 10:51:26,328 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-06 10:51:26,331 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-06 10:51:26,332 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-06 10:51:26,332 INFO L274 PluginConnector]: CDTParser initialized [2024-11-06 10:51:26,333 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/neural-networks/vdp_8_unsafe.c-amalgamation.i [2024-11-06 10:51:27,647 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-06 10:51:27,916 INFO L384 CDTParser]: Found 1 translation units. [2024-11-06 10:51:27,917 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/neural-networks/vdp_8_unsafe.c-amalgamation.i [2024-11-06 10:51:27,937 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bdda7a3e4/b436a371bf7e412cb868dd8710b15991/FLAGbd88ef129 [2024-11-06 10:51:28,214 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bdda7a3e4/b436a371bf7e412cb868dd8710b15991 [2024-11-06 10:51:28,216 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-06 10:51:28,217 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-06 10:51:28,219 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-06 10:51:28,219 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-06 10:51:28,224 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-06 10:51:28,225 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:51:28" (1/1) ... [2024-11-06 10:51:28,227 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a6e0891 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:51:28, skipping insertion in model container [2024-11-06 10:51:28,227 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:51:28" (1/1) ... [2024-11-06 10:51:28,274 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-06 10:51:28,736 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/neural-networks/vdp_8_unsafe.c-amalgamation.i[63644,63657] [2024-11-06 10:51:28,819 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-06 10:51:28,914 INFO L200 MainTranslator]: Completed pre-run [2024-11-06 10:51:28,940 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/neural-networks/vdp_8_unsafe.c-amalgamation.i[63644,63657] [2024-11-06 10:51:28,972 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-06 10:51:29,163 INFO L204 MainTranslator]: Completed translation [2024-11-06 10:51:29,164 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:51:29 WrapperNode [2024-11-06 10:51:29,164 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-06 10:51:29,165 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-06 10:51:29,165 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-06 10:51:29,165 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-06 10:51:29,173 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:51:29" (1/1) ... [2024-11-06 10:51:29,271 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:51:29" (1/1) ... [2024-11-06 10:51:29,354 INFO L138 Inliner]: procedures = 621, calls = 1412, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 1686 [2024-11-06 10:51:29,354 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-06 10:51:29,355 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-06 10:51:29,355 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-06 10:51:29,355 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-06 10:51:29,363 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:51:29" (1/1) ... [2024-11-06 10:51:29,363 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:51:29" (1/1) ... [2024-11-06 10:51:29,381 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:51:29" (1/1) ... [2024-11-06 10:51:29,427 INFO L175 MemorySlicer]: Split 1393 memory accesses to 12 slices as follows [2, 7, 98, 34, 1026, 34, 98, 4, 10, 38, 36, 6]. 74 percent of accesses are in the largest equivalence class. The 76 initializations are split as follows [2, 7, 0, 0, 0, 0, 0, 3, 0, 32, 32, 0]. The 1293 writes are split as follows [0, 0, 97, 33, 1025, 33, 97, 0, 3, 2, 2, 1]. [2024-11-06 10:51:29,427 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:51:29" (1/1) ... [2024-11-06 10:51:29,427 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:51:29" (1/1) ... [2024-11-06 10:51:29,468 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:51:29" (1/1) ... [2024-11-06 10:51:29,480 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:51:29" (1/1) ... [2024-11-06 10:51:29,494 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:51:29" (1/1) ... [2024-11-06 10:51:29,508 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:51:29" (1/1) ... [2024-11-06 10:51:29,525 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-06 10:51:29,526 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-06 10:51:29,526 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-06 10:51:29,526 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-06 10:51:29,527 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:51:29" (1/1) ... [2024-11-06 10:51:29,531 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-06 10:51:29,539 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 10:51:29,551 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) [2024-11-06 10:51:29,559 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 [2024-11-06 10:51:29,581 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2024-11-06 10:51:29,581 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2024-11-06 10:51:29,581 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2 [2024-11-06 10:51:29,581 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3 [2024-11-06 10:51:29,582 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#4 [2024-11-06 10:51:29,582 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#5 [2024-11-06 10:51:29,582 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#6 [2024-11-06 10:51:29,582 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#7 [2024-11-06 10:51:29,582 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#8 [2024-11-06 10:51:29,582 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#9 [2024-11-06 10:51:29,583 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#10 [2024-11-06 10:51:29,583 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#11 [2024-11-06 10:51:29,583 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-06 10:51:29,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-06 10:51:29,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-06 10:51:29,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-06 10:51:29,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-06 10:51:29,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-06 10:51:29,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-06 10:51:29,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-11-06 10:51:29,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2024-11-06 10:51:29,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2024-11-06 10:51:29,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9 [2024-11-06 10:51:29,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#10 [2024-11-06 10:51:29,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#11 [2024-11-06 10:51:29,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#0 [2024-11-06 10:51:29,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#1 [2024-11-06 10:51:29,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#2 [2024-11-06 10:51:29,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#3 [2024-11-06 10:51:29,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#4 [2024-11-06 10:51:29,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#5 [2024-11-06 10:51:29,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#6 [2024-11-06 10:51:29,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#7 [2024-11-06 10:51:29,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#8 [2024-11-06 10:51:29,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#9 [2024-11-06 10:51:29,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#10 [2024-11-06 10:51:29,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#11 [2024-11-06 10:51:29,585 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-06 10:51:29,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#0 [2024-11-06 10:51:29,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#1 [2024-11-06 10:51:29,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#2 [2024-11-06 10:51:29,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#3 [2024-11-06 10:51:29,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#4 [2024-11-06 10:51:29,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#5 [2024-11-06 10:51:29,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#6 [2024-11-06 10:51:29,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#7 [2024-11-06 10:51:29,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#8 [2024-11-06 10:51:29,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#9 [2024-11-06 10:51:29,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#10 [2024-11-06 10:51:29,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#11 [2024-11-06 10:51:29,587 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-06 10:51:29,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-06 10:51:29,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2024-11-06 10:51:29,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2024-11-06 10:51:29,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2 [2024-11-06 10:51:29,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3 [2024-11-06 10:51:29,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#4 [2024-11-06 10:51:29,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#5 [2024-11-06 10:51:29,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#6 [2024-11-06 10:51:29,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#7 [2024-11-06 10:51:29,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#8 [2024-11-06 10:51:29,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#9 [2024-11-06 10:51:29,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#10 [2024-11-06 10:51:29,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#11 [2024-11-06 10:51:29,589 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-06 10:51:29,795 INFO L238 CfgBuilder]: Building ICFG [2024-11-06 10:51:29,797 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-06 10:51:49,417 INFO L? ?]: Removed 106 outVars from TransFormulas that were not future-live. [2024-11-06 10:51:49,417 INFO L287 CfgBuilder]: Performing block encoding [2024-11-06 10:51:49,431 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-06 10:51:49,432 INFO L316 CfgBuilder]: Removed 11 assume(true) statements. [2024-11-06 10:51:49,434 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:51:49 BoogieIcfgContainer [2024-11-06 10:51:49,435 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-06 10:51:49,436 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-06 10:51:49,436 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-06 10:51:49,439 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-06 10:51:49,439 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:51:28" (1/3) ... [2024-11-06 10:51:49,441 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cc593cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:51:49, skipping insertion in model container [2024-11-06 10:51:49,441 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:51:29" (2/3) ... [2024-11-06 10:51:49,441 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cc593cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:51:49, skipping insertion in model container [2024-11-06 10:51:49,441 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:51:49" (3/3) ... [2024-11-06 10:51:49,442 INFO L112 eAbstractionObserver]: Analyzing ICFG vdp_8_unsafe.c-amalgamation.i [2024-11-06 10:51:49,471 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-06 10:51:49,472 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-06 10:51:49,541 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-06 10:51:49,546 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;@3bc9abb3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-06 10:51:49,547 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-06 10:51:49,551 INFO L276 IsEmpty]: Start isEmpty. Operand has 68 states, 66 states have (on average 1.5454545454545454) internal successors, (102), 67 states have internal predecessors, (102), 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) [2024-11-06 10:51:49,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-06 10:51:49,557 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 10:51:49,558 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 10:51:49,559 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 10:51:49,564 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 10:51:49,564 INFO L85 PathProgramCache]: Analyzing trace with hash 1571388801, now seen corresponding path program 1 times [2024-11-06 10:51:49,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-06 10:51:49,585 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [807930565] [2024-11-06 10:51:49,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 10:51:49,585 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 [2024-11-06 10:51:49,585 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-06 10:51:49,590 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) [2024-11-06 10:51:49,602 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 [2024-11-06 10:52:22,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 10:52:23,465 INFO L255 TraceCheckSpWp]: Trace formula consists of 5492 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-06 10:52:23,472 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 10:52:23,486 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-06 10:52:23,486 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 10:52:23,487 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-06 10:52:23,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [807930565] [2024-11-06 10:52:23,487 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [807930565] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 10:52:23,487 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 10:52:23,487 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-06 10:52:23,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1257747744] [2024-11-06 10:52:23,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 10:52:23,491 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-06 10:52:23,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-06 10:52:23,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-06 10:52:23,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-06 10:52:23,506 INFO L87 Difference]: Start difference. First operand has 68 states, 66 states have (on average 1.5454545454545454) internal successors, (102), 67 states have internal predecessors, (102), 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) Second operand has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 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) [2024-11-06 10:52:23,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 10:52:23,519 INFO L93 Difference]: Finished difference Result 132 states and 198 transitions. [2024-11-06 10:52:23,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-06 10:52:23,520 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 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) Word has length 36 [2024-11-06 10:52:23,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 10:52:23,525 INFO L225 Difference]: With dead ends: 132 [2024-11-06 10:52:23,525 INFO L226 Difference]: Without dead ends: 64 [2024-11-06 10:52:23,527 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-06 10:52:23,529 INFO L432 NwaCegarLoop]: 87 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, 87 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 [2024-11-06 10:52:23,529 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-06 10:52:23,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2024-11-06 10:52:23,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2024-11-06 10:52:23,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 63 states have (on average 1.3174603174603174) internal successors, (83), 63 states have internal predecessors, (83), 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) [2024-11-06 10:52:23,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 83 transitions. [2024-11-06 10:52:23,550 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 83 transitions. Word has length 36 [2024-11-06 10:52:23,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 10:52:23,551 INFO L471 AbstractCegarLoop]: Abstraction has 64 states and 83 transitions. [2024-11-06 10:52:23,551 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 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) [2024-11-06 10:52:23,551 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 83 transitions. [2024-11-06 10:52:23,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-06 10:52:23,552 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 10:52:23,552 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 10:52:23,756 WARN L435 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)] Forcibly destroying the process [2024-11-06 10:52:23,791 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 (2)] Forceful destruction successful, exit code 137 [2024-11-06 10:52:23,791 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 [2024-11-06 10:52:23,792 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 10:52:23,792 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 10:52:23,792 INFO L85 PathProgramCache]: Analyzing trace with hash -172526149, now seen corresponding path program 1 times [2024-11-06 10:52:23,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-06 10:52:23,797 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [810968991] [2024-11-06 10:52:23,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 10:52:23,797 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 [2024-11-06 10:52:23,797 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-06 10:52:23,800 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) [2024-11-06 10:52:23,801 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 [2024-11-06 10:52:56,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 10:52:56,539 INFO L255 TraceCheckSpWp]: Trace formula consists of 5492 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-06 10:52:56,543 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 10:52:56,680 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-06 10:52:56,680 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 10:52:56,680 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-06 10:52:56,680 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [810968991] [2024-11-06 10:52:56,681 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [810968991] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 10:52:56,681 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 10:52:56,681 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-06 10:52:56,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1372025528] [2024-11-06 10:52:56,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 10:52:56,682 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-06 10:52:56,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-06 10:52:56,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-06 10:52:56,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-06 10:52:56,683 INFO L87 Difference]: Start difference. First operand 64 states and 83 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 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) [2024-11-06 10:52:56,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 10:52:56,807 INFO L93 Difference]: Finished difference Result 119 states and 154 transitions. [2024-11-06 10:52:56,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-06 10:52:56,807 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 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) Word has length 36 [2024-11-06 10:52:56,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 10:52:56,809 INFO L225 Difference]: With dead ends: 119 [2024-11-06 10:52:56,809 INFO L226 Difference]: Without dead ends: 64 [2024-11-06 10:52:56,809 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-06 10:52:56,810 INFO L432 NwaCegarLoop]: 83 mSDtfsCounter, 0 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 161 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-06 10:52:56,810 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 161 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-06 10:52:56,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2024-11-06 10:52:56,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2024-11-06 10:52:56,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 63 states have (on average 1.3015873015873016) internal successors, (82), 63 states have internal predecessors, (82), 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) [2024-11-06 10:52:56,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 82 transitions. [2024-11-06 10:52:56,817 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 82 transitions. Word has length 36 [2024-11-06 10:52:56,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 10:52:56,817 INFO L471 AbstractCegarLoop]: Abstraction has 64 states and 82 transitions. [2024-11-06 10:52:56,817 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 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) [2024-11-06 10:52:56,818 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 82 transitions. [2024-11-06 10:52:56,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-06 10:52:56,819 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 10:52:56,819 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 10:52:57,022 WARN L435 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)] Forcibly destroying the process [2024-11-06 10:52:57,065 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 137 [2024-11-06 10:52:57,066 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 [2024-11-06 10:52:57,066 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 10:52:57,066 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 10:52:57,066 INFO L85 PathProgramCache]: Analyzing trace with hash 336946941, now seen corresponding path program 1 times [2024-11-06 10:52:57,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-06 10:52:57,071 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [122789134] [2024-11-06 10:52:57,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 10:52:57,072 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 [2024-11-06 10:52:57,072 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-06 10:52:57,074 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) [2024-11-06 10:52:57,075 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