/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 Internal_SMTInterpol -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/neural-networks/cartpole_89_safe.c-amalgamation.i -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-356b6ba-m [2024-10-31 15:28:46,454 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 15:28:46,528 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-10-31 15:28:46,571 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 15:28:46,572 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 15:28:46,572 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 15:28:46,573 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 15:28:46,573 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 15:28:46,574 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 15:28:46,574 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 15:28:46,574 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 15:28:46,575 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 15:28:46,575 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 15:28:46,576 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 15:28:46,576 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 15:28:46,577 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 15:28:46,577 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 15:28:46,577 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 15:28:46,578 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 15:28:46,578 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-31 15:28:46,581 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-31 15:28:46,581 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 15:28:46,581 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-31 15:28:46,582 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 15:28:46,582 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 15:28:46,582 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 15:28:46,583 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 15:28:46,583 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 15:28:46,583 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 15:28:46,583 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 15:28:46,584 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 15:28:46,586 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 15:28:46,587 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 15:28:46,588 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 15:28:46,588 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-31 15:28:46,588 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-31 15:28:46,588 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 15:28:46,588 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 15:28:46,589 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 15:28:46,589 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 15:28:46,589 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-31 15:28:46,590 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol [2024-10-31 15:28:46,864 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 15:28:46,883 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 15:28:46,887 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 15:28:46,888 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 15:28:46,888 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 15:28:46,889 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/neural-networks/cartpole_89_safe.c-amalgamation.i [2024-10-31 15:28:48,225 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 15:28:48,642 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 15:28:48,642 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/neural-networks/cartpole_89_safe.c-amalgamation.i [2024-10-31 15:28:48,672 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6266a96de/afa5072d83d34d0cbf6c7ab19d7a72e3/FLAGf1cdf19be [2024-10-31 15:28:48,807 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6266a96de/afa5072d83d34d0cbf6c7ab19d7a72e3 [2024-10-31 15:28:48,808 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 15:28:48,810 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-10-31 15:28:48,812 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 15:28:48,812 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 15:28:48,817 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 15:28:48,817 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 03:28:48" (1/1) ... [2024-10-31 15:28:48,818 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47d13e77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 03:28:48, skipping insertion in model container [2024-10-31 15:28:48,820 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 03:28:48" (1/1) ... [2024-10-31 15:28:48,941 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 15:28:49,711 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/neural-networks/cartpole_89_safe.c-amalgamation.i[63702,63715] [2024-10-31 15:28:49,922 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 15:28:50,167 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 15:28:50,204 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/neural-networks/cartpole_89_safe.c-amalgamation.i[63702,63715] [2024-10-31 15:28:50,264 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 15:28:50,703 INFO L204 MainTranslator]: Completed translation [2024-10-31 15:28:50,704 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 03:28:50 WrapperNode [2024-10-31 15:28:50,704 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 15:28:50,705 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 15:28:50,706 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 15:28:50,706 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 15:28:50,712 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 03:28:50" (1/1) ... [2024-10-31 15:28:50,834 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 03:28:50" (1/1) ... [2024-10-31 15:28:51,096 INFO L138 Inliner]: procedures = 622, calls = 4746, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 5020 [2024-10-31 15:28:51,096 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 15:28:51,098 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 15:28:51,098 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 15:28:51,098 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 15:28:51,109 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 03:28:50" (1/1) ... [2024-10-31 15:28:51,109 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 03:28:50" (1/1) ... [2024-10-31 15:28:51,179 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 03:28:50" (1/1) ... [2024-10-31 15:28:51,239 INFO L175 MemorySlicer]: Split 4726 memory accesses to 12 slices as follows [2, 7, 258, 66, 4098, 66, 130, 3, 13, 10, 70, 3]. 87 percent of accesses are in the largest equivalence class. The 79 initializations are split as follows [2, 7, 0, 0, 0, 0, 0, 2, 0, 4, 64, 0]. The 4623 writes are split as follows [0, 0, 257, 65, 4097, 65, 129, 0, 4, 3, 2, 1]. [2024-10-31 15:28:51,239 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 03:28:50" (1/1) ... [2024-10-31 15:28:51,239 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 03:28:50" (1/1) ... [2024-10-31 15:28:51,448 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 03:28:50" (1/1) ... [2024-10-31 15:28:51,468 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 03:28:50" (1/1) ... [2024-10-31 15:28:51,502 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 03:28:50" (1/1) ... [2024-10-31 15:28:51,527 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 03:28:50" (1/1) ... [2024-10-31 15:28:51,575 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 15:28:51,576 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 15:28:51,576 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 15:28:51,576 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 15:28:51,578 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 03:28:50" (1/1) ... [2024-10-31 15:28:51,584 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 15:28:51,596 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-31 15:28:51,676 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) [2024-10-31 15:28:51,683 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 [2024-10-31 15:28:51,707 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2024-10-31 15:28:51,708 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2024-10-31 15:28:51,708 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2 [2024-10-31 15:28:51,708 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3 [2024-10-31 15:28:51,708 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#4 [2024-10-31 15:28:51,708 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#5 [2024-10-31 15:28:51,708 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#6 [2024-10-31 15:28:51,709 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#7 [2024-10-31 15:28:51,709 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#8 [2024-10-31 15:28:51,710 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#9 [2024-10-31 15:28:51,710 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#10 [2024-10-31 15:28:51,710 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#11 [2024-10-31 15:28:51,710 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-31 15:28:51,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-10-31 15:28:51,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-10-31 15:28:51,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-10-31 15:28:51,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-10-31 15:28:51,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-10-31 15:28:51,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-10-31 15:28:51,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-10-31 15:28:51,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2024-10-31 15:28:51,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2024-10-31 15:28:51,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9 [2024-10-31 15:28:51,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#10 [2024-10-31 15:28:51,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#11 [2024-10-31 15:28:51,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#0 [2024-10-31 15:28:51,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#1 [2024-10-31 15:28:51,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#2 [2024-10-31 15:28:51,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#3 [2024-10-31 15:28:51,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#4 [2024-10-31 15:28:51,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#5 [2024-10-31 15:28:51,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#6 [2024-10-31 15:28:51,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#7 [2024-10-31 15:28:51,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#8 [2024-10-31 15:28:51,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#9 [2024-10-31 15:28:51,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#10 [2024-10-31 15:28:51,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#11 [2024-10-31 15:28:51,715 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 15:28:51,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#0 [2024-10-31 15:28:51,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#1 [2024-10-31 15:28:51,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#2 [2024-10-31 15:28:51,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#3 [2024-10-31 15:28:51,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#4 [2024-10-31 15:28:51,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#5 [2024-10-31 15:28:51,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#6 [2024-10-31 15:28:51,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#7 [2024-10-31 15:28:51,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#8 [2024-10-31 15:28:51,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#9 [2024-10-31 15:28:51,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#10 [2024-10-31 15:28:51,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#11 [2024-10-31 15:28:51,716 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 15:28:51,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 15:28:51,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2024-10-31 15:28:51,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2024-10-31 15:28:51,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2 [2024-10-31 15:28:51,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3 [2024-10-31 15:28:51,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#4 [2024-10-31 15:28:51,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#5 [2024-10-31 15:28:51,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#6 [2024-10-31 15:28:51,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#7 [2024-10-31 15:28:51,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#8 [2024-10-31 15:28:51,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#9 [2024-10-31 15:28:51,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#10 [2024-10-31 15:28:51,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#11 [2024-10-31 15:28:51,718 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-31 15:28:51,937 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 15:28:51,939 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 15:29:39,352 INFO L? ?]: Removed 110 outVars from TransFormulas that were not future-live. [2024-10-31 15:29:39,352 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 15:29:39,363 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 15:29:39,364 INFO L316 CfgBuilder]: Removed 12 assume(true) statements. [2024-10-31 15:29:39,364 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 03:29:39 BoogieIcfgContainer [2024-10-31 15:29:39,364 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 15:29:39,366 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 15:29:39,366 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 15:29:39,368 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 15:29:39,369 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 03:28:48" (1/3) ... [2024-10-31 15:29:39,369 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a79ac46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 03:29:39, skipping insertion in model container [2024-10-31 15:29:39,369 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 03:28:50" (2/3) ... [2024-10-31 15:29:39,369 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a79ac46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 03:29:39, skipping insertion in model container [2024-10-31 15:29:39,370 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 03:29:39" (3/3) ... [2024-10-31 15:29:39,370 INFO L112 eAbstractionObserver]: Analyzing ICFG cartpole_89_safe.c-amalgamation.i [2024-10-31 15:29:39,384 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 15:29:39,384 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-31 15:29:39,438 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 15:29:39,444 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;@1b64586a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 15:29:39,444 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-31 15:29:39,447 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) [2024-10-31 15:29:39,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-10-31 15:29:39,454 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 15:29:39,454 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] [2024-10-31 15:29:39,455 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 15:29:39,460 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 15:29:39,460 INFO L85 PathProgramCache]: Analyzing trace with hash -722203584, now seen corresponding path program 1 times [2024-10-31 15:29:39,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-10-31 15:29:39,468 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2018094730] [2024-10-31 15:29:39,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 15:29:39,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms