/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 'z3 -smt2 -in SMTLIB2_COMPLIANT=true' -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/neural-networks/poly_4_4_4_4_thresh_3_unsafe.c-amalgamation.i -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-b75d321-m [2024-11-03 00:07:37,449 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-03 00:07:37,515 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 00:07:37,519 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-03 00:07:37,522 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-03 00:07:37,539 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-03 00:07:37,540 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-03 00:07:37,540 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-03 00:07:37,541 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-03 00:07:37,542 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-03 00:07:37,542 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-03 00:07:37,543 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-03 00:07:37,543 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-03 00:07:37,543 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-03 00:07:37,544 INFO L153 SettingsManager]: * Use SBE=true [2024-11-03 00:07:37,544 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-03 00:07:37,544 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-03 00:07:37,545 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-03 00:07:37,547 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-03 00:07:37,549 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-03 00:07:37,549 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-03 00:07:37,552 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-03 00:07:37,552 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-03 00:07:37,552 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-03 00:07:37,552 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-03 00:07:37,553 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-03 00:07:37,553 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-03 00:07:37,553 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-03 00:07:37,553 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-03 00:07:37,554 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-03 00:07:37,554 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-03 00:07:37,554 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-03 00:07:37,554 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-03 00:07:37,555 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-03 00:07:37,555 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-03 00:07:37,557 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-03 00:07:37,557 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-03 00:07:37,557 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-03 00:07:37,557 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-03 00:07:37,558 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-03 00:07:37,558 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-03 00:07:37,558 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-03 00:07:37,559 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-03 00:07:37,559 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-03 00:07:37,559 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-03 00:07:37,815 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-03 00:07:37,842 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-03 00:07:37,844 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-03 00:07:37,845 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-03 00:07:37,846 INFO L274 PluginConnector]: CDTParser initialized [2024-11-03 00:07:37,848 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/neural-networks/poly_4_4_4_4_thresh_3_unsafe.c-amalgamation.i [2024-11-03 00:07:39,823 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-03 00:07:40,154 INFO L384 CDTParser]: Found 1 translation units. [2024-11-03 00:07:40,154 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/neural-networks/poly_4_4_4_4_thresh_3_unsafe.c-amalgamation.i [2024-11-03 00:07:40,182 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dd8d3c426/39bc780ea7924a42aabe44cadc96f4e2/FLAGbebddf429 [2024-11-03 00:07:40,198 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dd8d3c426/39bc780ea7924a42aabe44cadc96f4e2 [2024-11-03 00:07:40,201 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-03 00:07:40,203 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-03 00:07:40,204 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-03 00:07:40,204 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-03 00:07:40,210 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-03 00:07:40,211 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 12:07:40" (1/1) ... [2024-11-03 00:07:40,212 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c5915ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:07:40, skipping insertion in model container [2024-11-03 00:07:40,212 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 12:07:40" (1/1) ... [2024-11-03 00:07:40,285 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-03 00:07:41,084 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/poly_4_4_4_4_thresh_3_unsafe.c-amalgamation.i[71475,71488] [2024-11-03 00:07:41,353 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-03 00:07:41,358 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-03 00:07:41,378 INFO L200 MainTranslator]: Completed pre-run [2024-11-03 00:07:41,448 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/poly_4_4_4_4_thresh_3_unsafe.c-amalgamation.i[71475,71488] [2024-11-03 00:07:41,568 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-03 00:07:41,919 INFO L204 MainTranslator]: Completed translation [2024-11-03 00:07:41,923 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:07:41 WrapperNode [2024-11-03 00:07:41,923 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-03 00:07:41,924 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-03 00:07:41,924 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-03 00:07:41,924 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-03 00:07:41,931 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:07:41" (1/1) ... [2024-11-03 00:07:42,096 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:07:41" (1/1) ... [2024-11-03 00:07:42,236 INFO L138 Inliner]: procedures = 779, calls = 623, calls flagged for inlining = 16, calls inlined = 16, statements flattened = 1236 [2024-11-03 00:07:42,244 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-03 00:07:42,245 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-03 00:07:42,245 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-03 00:07:42,245 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-03 00:07:42,257 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:07:41" (1/1) ... [2024-11-03 00:07:42,257 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:07:41" (1/1) ... [2024-11-03 00:07:42,281 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:07:41" (1/1) ... [2024-11-03 00:07:42,364 INFO L175 MemorySlicer]: Split 423 memory accesses to 16 slices as follows [2, 7, 19, 2, 118, 44, 117, 4, 4, 2, 4, 3, 85, 6, 4, 2]. 28 percent of accesses are in the largest equivalence class. The 257 initializations are split as follows [2, 7, 17, 2, 88, 40, 26, 0, 1, 0, 1, 0, 73, 0, 0, 0]. The 84 writes are split as follows [0, 0, 0, 0, 0, 0, 69, 2, 0, 1, 0, 2, 4, 3, 2, 1]. [2024-11-03 00:07:42,365 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:07:41" (1/1) ... [2024-11-03 00:07:42,365 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:07:41" (1/1) ... [2024-11-03 00:07:42,443 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:07:41" (1/1) ... [2024-11-03 00:07:42,460 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:07:41" (1/1) ... [2024-11-03 00:07:42,482 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:07:41" (1/1) ... [2024-11-03 00:07:42,501 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:07:41" (1/1) ... [2024-11-03 00:07:42,520 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-03 00:07:42,521 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-03 00:07:42,522 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-03 00:07:42,522 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-03 00:07:42,523 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:07:41" (1/1) ... [2024-11-03 00:07:42,528 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-03 00:07:42,539 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-03 00:07:42,553 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 00:07:42,555 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 00:07:42,580 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2024-11-03 00:07:42,580 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2024-11-03 00:07:42,580 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2 [2024-11-03 00:07:42,580 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3 [2024-11-03 00:07:42,580 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#4 [2024-11-03 00:07:42,581 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#5 [2024-11-03 00:07:42,581 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#6 [2024-11-03 00:07:42,581 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#7 [2024-11-03 00:07:42,581 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#8 [2024-11-03 00:07:42,581 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#9 [2024-11-03 00:07:42,581 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#10 [2024-11-03 00:07:42,581 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#11 [2024-11-03 00:07:42,581 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#12 [2024-11-03 00:07:42,581 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#13 [2024-11-03 00:07:42,581 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#14 [2024-11-03 00:07:42,581 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#15 [2024-11-03 00:07:42,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#0 [2024-11-03 00:07:42,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#1 [2024-11-03 00:07:42,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#2 [2024-11-03 00:07:42,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#3 [2024-11-03 00:07:42,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#4 [2024-11-03 00:07:42,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#5 [2024-11-03 00:07:42,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#6 [2024-11-03 00:07:42,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#7 [2024-11-03 00:07:42,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#8 [2024-11-03 00:07:42,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#9 [2024-11-03 00:07:42,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#10 [2024-11-03 00:07:42,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#11 [2024-11-03 00:07:42,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#12 [2024-11-03 00:07:42,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#13 [2024-11-03 00:07:42,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#14 [2024-11-03 00:07:42,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#15 [2024-11-03 00:07:42,583 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-03 00:07:42,583 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-03 00:07:42,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-03 00:07:42,583 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-03 00:07:42,584 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-03 00:07:42,584 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-03 00:07:42,585 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-11-03 00:07:42,585 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-11-03 00:07:42,585 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-11-03 00:07:42,585 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2024-11-03 00:07:42,585 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2024-11-03 00:07:42,585 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2024-11-03 00:07:42,585 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2024-11-03 00:07:42,585 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2024-11-03 00:07:42,585 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2024-11-03 00:07:42,585 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2024-11-03 00:07:42,585 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2024-11-03 00:07:42,586 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#14 [2024-11-03 00:07:42,586 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#15 [2024-11-03 00:07:42,586 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-03 00:07:42,586 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-03 00:07:42,586 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-03 00:07:42,586 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-11-03 00:07:42,586 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-11-03 00:07:42,586 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-11-03 00:07:42,586 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2024-11-03 00:07:42,586 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2024-11-03 00:07:42,586 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2024-11-03 00:07:42,586 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2024-11-03 00:07:42,586 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2024-11-03 00:07:42,587 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2024-11-03 00:07:42,587 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2024-11-03 00:07:42,587 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2024-11-03 00:07:42,587 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#14 [2024-11-03 00:07:42,587 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#15 [2024-11-03 00:07:42,587 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-03 00:07:42,587 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-03 00:07:42,587 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-03 00:07:42,587 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-03 00:07:42,587 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-03 00:07:42,587 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-03 00:07:42,587 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-03 00:07:42,587 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-03 00:07:42,588 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-03 00:07:42,588 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-03 00:07:42,588 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-03 00:07:42,588 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-03 00:07:42,588 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-03 00:07:42,588 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-03 00:07:42,588 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-03 00:07:42,588 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-11-03 00:07:42,588 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-11-03 00:07:42,588 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_idx2sub [2024-11-03 00:07:42,588 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_idx2sub [2024-11-03 00:07:42,588 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID [2024-11-03 00:07:42,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID [2024-11-03 00:07:42,589 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-03 00:07:42,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-03 00:07:42,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-03 00:07:42,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-03 00:07:42,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-03 00:07:42,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-03 00:07:42,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-03 00:07:42,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-11-03 00:07:42,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2024-11-03 00:07:42,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2024-11-03 00:07:42,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9 [2024-11-03 00:07:42,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#10 [2024-11-03 00:07:42,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#11 [2024-11-03 00:07:42,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#12 [2024-11-03 00:07:42,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#13 [2024-11-03 00:07:42,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#14 [2024-11-03 00:07:42,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#15 [2024-11-03 00:07:42,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-11-03 00:07:42,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-11-03 00:07:42,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-11-03 00:07:42,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2024-11-03 00:07:42,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#4 [2024-11-03 00:07:42,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#5 [2024-11-03 00:07:42,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#6 [2024-11-03 00:07:42,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#7 [2024-11-03 00:07:42,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#8 [2024-11-03 00:07:42,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#9 [2024-11-03 00:07:42,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#10 [2024-11-03 00:07:42,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#11 [2024-11-03 00:07:42,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#12 [2024-11-03 00:07:42,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#13 [2024-11-03 00:07:42,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#14 [2024-11-03 00:07:42,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#15 [2024-11-03 00:07:42,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#0 [2024-11-03 00:07:42,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#1 [2024-11-03 00:07:42,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#2 [2024-11-03 00:07:42,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#3 [2024-11-03 00:07:42,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#4 [2024-11-03 00:07:42,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#5 [2024-11-03 00:07:42,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#6 [2024-11-03 00:07:42,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#7 [2024-11-03 00:07:42,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#8 [2024-11-03 00:07:42,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#9 [2024-11-03 00:07:42,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#10 [2024-11-03 00:07:42,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#11 [2024-11-03 00:07:42,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#12 [2024-11-03 00:07:42,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#13 [2024-11-03 00:07:42,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#14 [2024-11-03 00:07:42,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#15 [2024-11-03 00:07:42,593 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-03 00:07:42,593 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-03 00:07:42,593 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-03 00:07:42,593 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-03 00:07:42,593 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-11-03 00:07:42,593 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-11-03 00:07:42,593 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2024-11-03 00:07:42,593 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2024-11-03 00:07:42,593 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8 [2024-11-03 00:07:42,594 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#9 [2024-11-03 00:07:42,594 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#10 [2024-11-03 00:07:42,594 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#11 [2024-11-03 00:07:42,594 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#12 [2024-11-03 00:07:42,594 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#13 [2024-11-03 00:07:42,594 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#14 [2024-11-03 00:07:42,594 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#15 [2024-11-03 00:07:42,594 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_dense [2024-11-03 00:07:42,594 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_dense [2024-11-03 00:07:42,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2024-11-03 00:07:42,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2024-11-03 00:07:42,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2 [2024-11-03 00:07:42,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3 [2024-11-03 00:07:42,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#4 [2024-11-03 00:07:42,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#5 [2024-11-03 00:07:42,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#6 [2024-11-03 00:07:42,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#7 [2024-11-03 00:07:42,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#8 [2024-11-03 00:07:42,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#9 [2024-11-03 00:07:42,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#10 [2024-11-03 00:07:42,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#11 [2024-11-03 00:07:42,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#12 [2024-11-03 00:07:42,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#13 [2024-11-03 00:07:42,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#14 [2024-11-03 00:07:42,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#15 [2024-11-03 00:07:42,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-03 00:07:42,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-03 00:07:42,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-03 00:07:42,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-03 00:07:42,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-11-03 00:07:42,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-11-03 00:07:42,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2024-11-03 00:07:42,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2024-11-03 00:07:42,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#8 [2024-11-03 00:07:42,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#9 [2024-11-03 00:07:42,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#10 [2024-11-03 00:07:42,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#11 [2024-11-03 00:07:42,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#12 [2024-11-03 00:07:42,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#13 [2024-11-03 00:07:42,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#14 [2024-11-03 00:07:42,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#15 [2024-11-03 00:07:42,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-03 00:07:42,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-03 00:07:42,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-03 00:07:42,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-03 00:07:42,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-03 00:07:42,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-03 00:07:42,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-03 00:07:42,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-03 00:07:42,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-03 00:07:42,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-03 00:07:42,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-03 00:07:42,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-11-03 00:07:42,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-11-03 00:07:42,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-11-03 00:07:42,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-11-03 00:07:42,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-11-03 00:07:42,598 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_sub2idx [2024-11-03 00:07:42,599 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_sub2idx [2024-11-03 00:07:42,935 INFO L238 CfgBuilder]: Building ICFG [2024-11-03 00:07:42,938 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-03 00:08:14,175 INFO L? ?]: Removed 292 outVars from TransFormulas that were not future-live. [2024-11-03 00:08:14,175 INFO L287 CfgBuilder]: Performing block encoding [2024-11-03 00:08:14,200 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-03 00:08:14,201 INFO L316 CfgBuilder]: Removed 44 assume(true) statements. [2024-11-03 00:08:14,202 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 12:08:14 BoogieIcfgContainer [2024-11-03 00:08:14,203 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-03 00:08:14,206 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-03 00:08:14,206 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-03 00:08:14,210 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-03 00:08:14,210 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 12:07:40" (1/3) ... [2024-11-03 00:08:14,211 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f801f21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 12:08:14, skipping insertion in model container [2024-11-03 00:08:14,211 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:07:41" (2/3) ... [2024-11-03 00:08:14,211 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f801f21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 12:08:14, skipping insertion in model container [2024-11-03 00:08:14,211 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 12:08:14" (3/3) ... [2024-11-03 00:08:14,212 INFO L112 eAbstractionObserver]: Analyzing ICFG poly_4_4_4_4_thresh_3_unsafe.c-amalgamation.i [2024-11-03 00:08:14,230 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-03 00:08:14,231 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-03 00:08:14,316 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-03 00:08:14,324 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;@1cc628e0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-03 00:08:14,325 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-03 00:08:14,331 INFO L276 IsEmpty]: Start isEmpty. Operand has 220 states, 200 states have (on average 1.555) internal successors, (311), 201 states have internal predecessors, (311), 13 states have call successors, (13), 5 states have call predecessors, (13), 5 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-03 00:08:14,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-03 00:08:14,364 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 00:08:14,365 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 00:08:14,366 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 00:08:14,374 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 00:08:14,375 INFO L85 PathProgramCache]: Analyzing trace with hash -1650166023, now seen corresponding path program 1 times [2024-11-03 00:08:14,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 00:08:14,385 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1980268240] [2024-11-03 00:08:14,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 00:08:14,388 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-03 00:08:14,389 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-03 00:08:14,391 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-03 00:08:14,393 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-03 00:08:16,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 00:08:16,758 INFO L255 TraceCheckSpWp]: Trace formula consists of 2064 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-03 00:08:16,771 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 00:08:16,795 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2024-11-03 00:08:16,795 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 00:08:17,900 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2024-11-03 00:08:17,901 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 00:08:17,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1980268240] [2024-11-03 00:08:17,902 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1980268240] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-03 00:08:17,902 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-03 00:08:17,902 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2024-11-03 00:08:17,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954572554] [2024-11-03 00:08:17,904 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-03 00:08:17,909 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-03 00:08:17,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 00:08:17,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-03 00:08:17,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-03 00:08:17,937 INFO L87 Difference]: Start difference. First operand has 220 states, 200 states have (on average 1.555) internal successors, (311), 201 states have internal predecessors, (311), 13 states have call successors, (13), 5 states have call predecessors, (13), 5 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-03 00:08:17,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 00:08:17,985 INFO L93 Difference]: Finished difference Result 437 states and 681 transitions. [2024-11-03 00:08:17,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-03 00:08:17,993 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 133 [2024-11-03 00:08:17,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 00:08:18,003 INFO L225 Difference]: With dead ends: 437 [2024-11-03 00:08:18,003 INFO L226 Difference]: Without dead ends: 216 [2024-11-03 00:08:18,010 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 264 GetRequests, 264 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 00:08:18,014 INFO L432 NwaCegarLoop]: 291 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, 291 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 00:08:18,015 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 291 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-03 00:08:18,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2024-11-03 00:08:18,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 216. [2024-11-03 00:08:18,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 216 states, 197 states have (on average 1.3248730964467006) internal successors, (261), 197 states have internal predecessors, (261), 13 states have call successors, (13), 5 states have call predecessors, (13), 5 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-03 00:08:18,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 287 transitions. [2024-11-03 00:08:18,068 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 287 transitions. Word has length 133 [2024-11-03 00:08:18,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 00:08:18,069 INFO L471 AbstractCegarLoop]: Abstraction has 216 states and 287 transitions. [2024-11-03 00:08:18,069 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-03 00:08:18,070 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 287 transitions. [2024-11-03 00:08:18,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-03 00:08:18,074 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 00:08:18,074 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 00:08:18,132 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-03 00:08:18,278 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-03 00:08:18,279 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 00:08:18,280 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 00:08:18,280 INFO L85 PathProgramCache]: Analyzing trace with hash 2099928699, now seen corresponding path program 1 times [2024-11-03 00:08:18,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 00:08:18,280 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1976289395] [2024-11-03 00:08:18,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 00:08:18,281 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-03 00:08:18,281 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-03 00:08:18,285 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-03 00:08:18,286 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-03 00:08:21,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 00:08:21,192 INFO L255 TraceCheckSpWp]: Trace formula consists of 2065 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-03 00:08:21,202 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 00:08:23,254 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-03 00:08:23,255 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 00:08:26,016 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 68 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2024-11-03 00:08:26,017 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 00:08:26,017 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1976289395] [2024-11-03 00:08:26,017 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1976289395] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-03 00:08:26,017 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-03 00:08:26,018 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 10 [2024-11-03 00:08:26,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1376697502] [2024-11-03 00:08:26,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-03 00:08:26,019 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-03 00:08:26,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 00:08:26,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-03 00:08:26,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-03 00:08:26,021 INFO L87 Difference]: Start difference. First operand 216 states and 287 transitions. Second operand has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 5 states have internal predecessors, (46), 3 states have call successors, (9), 2 states have call predecessors, (9), 4 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-03 00:08:27,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 00:08:27,647 INFO L93 Difference]: Finished difference Result 433 states and 579 transitions. [2024-11-03 00:08:27,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-03 00:08:27,648 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 5 states have internal predecessors, (46), 3 states have call successors, (9), 2 states have call predecessors, (9), 4 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 133 [2024-11-03 00:08:27,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 00:08:27,652 INFO L225 Difference]: With dead ends: 433 [2024-11-03 00:08:27,652 INFO L226 Difference]: Without dead ends: 222 [2024-11-03 00:08:27,654 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 265 GetRequests, 256 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2024-11-03 00:08:27,655 INFO L432 NwaCegarLoop]: 272 mSDtfsCounter, 249 mSDsluCounter, 598 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 263 SdHoareTripleChecker+Valid, 870 SdHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-03 00:08:27,655 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [263 Valid, 870 Invalid, 124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-03 00:08:27,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2024-11-03 00:08:27,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 222. [2024-11-03 00:08:27,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 222 states, 201 states have (on average 1.318407960199005) internal successors, (265), 201 states have internal predecessors, (265), 13 states have call successors, (13), 5 states have call predecessors, (13), 7 states have return successors, (16), 15 states have call predecessors, (16), 13 states have call successors, (16) [2024-11-03 00:08:27,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 294 transitions. [2024-11-03 00:08:27,676 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 294 transitions. Word has length 133 [2024-11-03 00:08:27,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 00:08:27,677 INFO L471 AbstractCegarLoop]: Abstraction has 222 states and 294 transitions. [2024-11-03 00:08:27,677 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 5 states have internal predecessors, (46), 3 states have call successors, (9), 2 states have call predecessors, (9), 4 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-03 00:08:27,677 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 294 transitions. [2024-11-03 00:08:27,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-03 00:08:27,680 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 00:08:27,680 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 00:08:27,739 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-03 00:08:27,881 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-03 00:08:27,882 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 00:08:27,882 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 00:08:27,882 INFO L85 PathProgramCache]: Analyzing trace with hash -1081647840, now seen corresponding path program 1 times [2024-11-03 00:08:27,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 00:08:27,883 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [407541073] [2024-11-03 00:08:27,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 00:08:27,883 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-03 00:08:27,883 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-03 00:08:27,886 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-03 00:08:27,896 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-03 00:08:29,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 00:08:29,926 INFO L255 TraceCheckSpWp]: Trace formula consists of 2070 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-03 00:08:29,932 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 00:08:31,264 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2024-11-03 00:08:31,264 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 00:08:34,161 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 0 proven. 68 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2024-11-03 00:08:34,162 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 00:08:34,162 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [407541073] [2024-11-03 00:08:34,162 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [407541073] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-03 00:08:34,162 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-03 00:08:34,162 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 10 [2024-11-03 00:08:34,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235352149] [2024-11-03 00:08:34,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-03 00:08:34,163 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-03 00:08:34,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 00:08:34,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-03 00:08:34,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-03 00:08:34,164 INFO L87 Difference]: Start difference. First operand 222 states and 294 transitions. Second operand has 6 states, 6 states have (on average 8.0) internal successors, (48), 5 states have internal predecessors, (48), 3 states have call successors, (9), 2 states have call predecessors, (9), 4 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-03 00:08:35,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 00:08:35,769 INFO L93 Difference]: Finished difference Result 445 states and 593 transitions. [2024-11-03 00:08:35,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-03 00:08:35,771 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 5 states have internal predecessors, (48), 3 states have call successors, (9), 2 states have call predecessors, (9), 4 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 138 [2024-11-03 00:08:35,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 00:08:35,774 INFO L225 Difference]: With dead ends: 445 [2024-11-03 00:08:35,774 INFO L226 Difference]: Without dead ends: 228 [2024-11-03 00:08:35,779 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 275 GetRequests, 266 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2024-11-03 00:08:35,780 INFO L432 NwaCegarLoop]: 276 mSDtfsCounter, 400 mSDsluCounter, 603 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 413 SdHoareTripleChecker+Valid, 879 SdHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-03 00:08:35,780 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [413 Valid, 879 Invalid, 124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-03 00:08:35,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2024-11-03 00:08:35,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 222. [2024-11-03 00:08:35,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 222 states, 201 states have (on average 1.318407960199005) internal successors, (265), 201 states have internal predecessors, (265), 13 states have call successors, (13), 5 states have call predecessors, (13), 7 states have return successors, (16), 15 states have call predecessors, (16), 13 states have call successors, (16) [2024-11-03 00:08:35,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 294 transitions. [2024-11-03 00:08:35,837 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 294 transitions. Word has length 138 [2024-11-03 00:08:35,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 00:08:35,838 INFO L471 AbstractCegarLoop]: Abstraction has 222 states and 294 transitions. [2024-11-03 00:08:35,838 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 5 states have internal predecessors, (48), 3 states have call successors, (9), 2 states have call predecessors, (9), 4 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-03 00:08:35,838 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 294 transitions. [2024-11-03 00:08:35,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-11-03 00:08:35,847 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 00:08:35,848 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 00:08:35,904 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-03 00:08:36,048 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-03 00:08:36,049 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 00:08:36,050 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 00:08:36,050 INFO L85 PathProgramCache]: Analyzing trace with hash -929807156, now seen corresponding path program 1 times [2024-11-03 00:08:36,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 00:08:36,050 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [651845177] [2024-11-03 00:08:36,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 00:08:36,050 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-03 00:08:36,051 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-03 00:08:36,057 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-03 00:08:36,058 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-03 00:08:38,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 00:08:38,514 INFO L255 TraceCheckSpWp]: Trace formula consists of 2080 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-03 00:08:38,520 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 00:08:39,983 INFO L134 CoverageAnalysis]: Checked inductivity of 270 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2024-11-03 00:08:39,984 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 00:08:42,816 INFO L134 CoverageAnalysis]: Checked inductivity of 270 backedges. 0 proven. 68 refuted. 0 times theorem prover too weak. 202 trivial. 0 not checked. [2024-11-03 00:08:42,817 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 00:08:42,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [651845177] [2024-11-03 00:08:42,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [651845177] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-03 00:08:42,818 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-03 00:08:42,818 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 10 [2024-11-03 00:08:42,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1021802734] [2024-11-03 00:08:42,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-03 00:08:42,819 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-03 00:08:42,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 00:08:42,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-03 00:08:42,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-03 00:08:42,820 INFO L87 Difference]: Start difference. First operand 222 states and 294 transitions. Second operand has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 5 states have internal predecessors, (52), 3 states have call successors, (9), 2 states have call predecessors, (9), 4 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-03 00:08:44,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 00:08:44,675 INFO L93 Difference]: Finished difference Result 445 states and 593 transitions. [2024-11-03 00:08:44,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-03 00:08:44,679 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 5 states have internal predecessors, (52), 3 states have call successors, (9), 2 states have call predecessors, (9), 4 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 148 [2024-11-03 00:08:44,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 00:08:44,681 INFO L225 Difference]: With dead ends: 445 [2024-11-03 00:08:44,681 INFO L226 Difference]: Without dead ends: 228 [2024-11-03 00:08:44,687 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 295 GetRequests, 286 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2024-11-03 00:08:44,688 INFO L432 NwaCegarLoop]: 276 mSDtfsCounter, 245 mSDsluCounter, 603 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 257 SdHoareTripleChecker+Valid, 879 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-03 00:08:44,689 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [257 Valid, 879 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-03 00:08:44,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2024-11-03 00:08:44,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 222. [2024-11-03 00:08:44,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 222 states, 201 states have (on average 1.318407960199005) internal successors, (265), 201 states have internal predecessors, (265), 13 states have call successors, (13), 5 states have call predecessors, (13), 7 states have return successors, (16), 15 states have call predecessors, (16), 13 states have call successors, (16) [2024-11-03 00:08:44,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 294 transitions. [2024-11-03 00:08:44,734 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 294 transitions. Word has length 148 [2024-11-03 00:08:44,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 00:08:44,735 INFO L471 AbstractCegarLoop]: Abstraction has 222 states and 294 transitions. [2024-11-03 00:08:44,735 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 5 states have internal predecessors, (52), 3 states have call successors, (9), 2 states have call predecessors, (9), 4 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-03 00:08:44,735 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 294 transitions. [2024-11-03 00:08:44,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-11-03 00:08:44,742 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 00:08:44,742 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 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] [2024-11-03 00:08:44,849 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-03 00:08:44,943 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-03 00:08:44,943 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 00:08:44,944 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 00:08:44,944 INFO L85 PathProgramCache]: Analyzing trace with hash -1939964421, now seen corresponding path program 1 times [2024-11-03 00:08:44,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 00:08:44,944 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1052115660] [2024-11-03 00:08:44,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 00:08:44,944 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-03 00:08:44,945 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-03 00:08:44,949 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-03 00:08:44,953 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-03 00:08:47,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 00:08:47,387 INFO L255 TraceCheckSpWp]: Trace formula consists of 2081 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-03 00:08:47,403 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 00:08:48,584 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2024-11-03 00:08:48,584 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 00:08:51,342 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 0 proven. 65 refuted. 0 times theorem prover too weak. 187 trivial. 0 not checked. [2024-11-03 00:08:51,343 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 00:08:51,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1052115660] [2024-11-03 00:08:51,343 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1052115660] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-03 00:08:51,343 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-03 00:08:51,343 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 10 [2024-11-03 00:08:51,343 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [635099949] [2024-11-03 00:08:51,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-03 00:08:51,344 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-03 00:08:51,344 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 00:08:51,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-03 00:08:51,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-03 00:08:51,345 INFO L87 Difference]: Start difference. First operand 222 states and 294 transitions. Second operand has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 5 states have internal predecessors, (58), 3 states have call successors, (9), 2 states have call predecessors, (9), 4 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-03 00:08:53,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 00:08:53,930 INFO L93 Difference]: Finished difference Result 445 states and 593 transitions. [2024-11-03 00:08:53,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-03 00:08:53,936 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 5 states have internal predecessors, (58), 3 states have call successors, (9), 2 states have call predecessors, (9), 4 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 149 [2024-11-03 00:08:53,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 00:08:53,938 INFO L225 Difference]: With dead ends: 445 [2024-11-03 00:08:53,938 INFO L226 Difference]: Without dead ends: 228 [2024-11-03 00:08:53,943 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 297 GetRequests, 288 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2024-11-03 00:08:53,949 INFO L432 NwaCegarLoop]: 276 mSDtfsCounter, 395 mSDsluCounter, 603 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 407 SdHoareTripleChecker+Valid, 879 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-11-03 00:08:53,949 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [407 Valid, 879 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-11-03 00:08:53,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2024-11-03 00:08:53,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 222. [2024-11-03 00:08:53,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 222 states, 201 states have (on average 1.318407960199005) internal successors, (265), 201 states have internal predecessors, (265), 13 states have call successors, (13), 5 states have call predecessors, (13), 7 states have return successors, (16), 15 states have call predecessors, (16), 13 states have call successors, (16) [2024-11-03 00:08:53,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 294 transitions. [2024-11-03 00:08:53,987 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 294 transitions. Word has length 149 [2024-11-03 00:08:53,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 00:08:53,987 INFO L471 AbstractCegarLoop]: Abstraction has 222 states and 294 transitions. [2024-11-03 00:08:53,987 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 5 states have internal predecessors, (58), 3 states have call successors, (9), 2 states have call predecessors, (9), 4 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-03 00:08:53,987 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 294 transitions. [2024-11-03 00:08:53,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-11-03 00:08:53,994 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 00:08:53,994 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 00:08:54,118 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-03 00:08:54,197 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-03 00:08:54,198 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 00:08:54,198 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 00:08:54,199 INFO L85 PathProgramCache]: Analyzing trace with hash -1116958561, now seen corresponding path program 1 times [2024-11-03 00:08:54,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 00:08:54,199 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1420769371] [2024-11-03 00:08:54,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 00:08:54,199 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-03 00:08:54,202 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-03 00:08:54,208 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-03 00:08:54,210 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-03 00:08:56,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 00:08:56,631 INFO L255 TraceCheckSpWp]: Trace formula consists of 2080 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-03 00:08:56,638 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 00:08:59,370 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2024-11-03 00:08:59,371 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 00:09:03,884 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 226 trivial. 0 not checked. [2024-11-03 00:09:03,885 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 00:09:03,885 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1420769371] [2024-11-03 00:09:03,885 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1420769371] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-03 00:09:03,885 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-03 00:09:03,885 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 9 [2024-11-03 00:09:03,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1688670690] [2024-11-03 00:09:03,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-03 00:09:03,886 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-03 00:09:03,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 00:09:03,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-03 00:09:03,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-11-03 00:09:03,887 INFO L87 Difference]: Start difference. First operand 222 states and 294 transitions. Second operand has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 5 states have internal predecessors, (56), 3 states have call successors, (9), 2 states have call predecessors, (9), 4 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-03 00:09:05,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 00:09:05,486 INFO L93 Difference]: Finished difference Result 445 states and 593 transitions. [2024-11-03 00:09:05,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-03 00:09:05,489 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 5 states have internal predecessors, (56), 3 states have call successors, (9), 2 states have call predecessors, (9), 4 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 158 [2024-11-03 00:09:05,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 00:09:05,493 INFO L225 Difference]: With dead ends: 445 [2024-11-03 00:09:05,493 INFO L226 Difference]: Without dead ends: 228 [2024-11-03 00:09:05,496 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 315 GetRequests, 307 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-03 00:09:05,497 INFO L432 NwaCegarLoop]: 270 mSDtfsCounter, 298 mSDsluCounter, 547 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 313 SdHoareTripleChecker+Valid, 817 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-03 00:09:05,497 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [313 Valid, 817 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-03 00:09:05,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2024-11-03 00:09:05,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 222. [2024-11-03 00:09:05,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 222 states, 201 states have (on average 1.318407960199005) internal successors, (265), 201 states have internal predecessors, (265), 13 states have call successors, (13), 5 states have call predecessors, (13), 7 states have return successors, (16), 15 states have call predecessors, (16), 13 states have call successors, (16) [2024-11-03 00:09:05,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 294 transitions. [2024-11-03 00:09:05,537 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 294 transitions. Word has length 158 [2024-11-03 00:09:05,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 00:09:05,537 INFO L471 AbstractCegarLoop]: Abstraction has 222 states and 294 transitions. [2024-11-03 00:09:05,543 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 5 states have internal predecessors, (56), 3 states have call successors, (9), 2 states have call predecessors, (9), 4 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-03 00:09:05,543 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 294 transitions. [2024-11-03 00:09:05,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-03 00:09:05,552 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 00:09:05,553 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 00:09:05,623 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-03 00:09:05,753 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-03 00:09:05,754 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 00:09:05,754 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 00:09:05,754 INFO L85 PathProgramCache]: Analyzing trace with hash 1545310162, now seen corresponding path program 1 times [2024-11-03 00:09:05,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 00:09:05,754 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2083352286] [2024-11-03 00:09:05,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 00:09:05,755 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-03 00:09:05,755 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-03 00:09:05,757 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-03 00:09:05,758 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-03 00:09:07,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 00:09:07,985 INFO L255 TraceCheckSpWp]: Trace formula consists of 2095 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-03 00:09:07,991 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 00:09:11,837 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 232 trivial. 0 not checked. [2024-11-03 00:09:11,837 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 00:09:14,780 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 232 trivial. 0 not checked. [2024-11-03 00:09:14,781 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 00:09:14,781 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2083352286] [2024-11-03 00:09:14,781 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [2083352286] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-03 00:09:14,781 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-03 00:09:14,781 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 6] imperfect sequences [] total 10 [2024-11-03 00:09:14,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [164759534] [2024-11-03 00:09:14,782 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-03 00:09:14,782 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-03 00:09:14,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 00:09:14,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-03 00:09:14,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-03 00:09:14,784 INFO L87 Difference]: Start difference. First operand 222 states and 294 transitions. Second operand has 10 states, 10 states have (on average 9.2) internal successors, (92), 10 states have internal predecessors, (92), 5 states have call successors, (18), 2 states have call predecessors, (18), 6 states have return successors, (18), 8 states have call predecessors, (18), 5 states have call successors, (18) [2024-11-03 00:09:16,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 00:09:16,736 INFO L93 Difference]: Finished difference Result 227 states and 298 transitions. [2024-11-03 00:09:16,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-03 00:09:16,738 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 9.2) internal successors, (92), 10 states have internal predecessors, (92), 5 states have call successors, (18), 2 states have call predecessors, (18), 6 states have return successors, (18), 8 states have call predecessors, (18), 5 states have call successors, (18) Word has length 163 [2024-11-03 00:09:16,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 00:09:16,740 INFO L225 Difference]: With dead ends: 227 [2024-11-03 00:09:16,740 INFO L226 Difference]: Without dead ends: 222 [2024-11-03 00:09:16,740 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 326 GetRequests, 317 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2024-11-03 00:09:16,741 INFO L432 NwaCegarLoop]: 278 mSDtfsCounter, 768 mSDsluCounter, 843 mSDsCounter, 0 mSdLazyCounter, 154 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 776 SdHoareTripleChecker+Valid, 1121 SdHoareTripleChecker+Invalid, 182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 154 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-03 00:09:16,741 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [776 Valid, 1121 Invalid, 182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 154 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-03 00:09:16,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2024-11-03 00:09:16,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 222. [2024-11-03 00:09:16,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 222 states, 201 states have (on average 1.318407960199005) internal successors, (265), 201 states have internal predecessors, (265), 13 states have call successors, (13), 5 states have call predecessors, (13), 7 states have return successors, (15), 15 states have call predecessors, (15), 13 states have call successors, (15) [2024-11-03 00:09:16,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 293 transitions. [2024-11-03 00:09:16,758 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 293 transitions. Word has length 163 [2024-11-03 00:09:16,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 00:09:16,759 INFO L471 AbstractCegarLoop]: Abstraction has 222 states and 293 transitions. [2024-11-03 00:09:16,759 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.2) internal successors, (92), 10 states have internal predecessors, (92), 5 states have call successors, (18), 2 states have call predecessors, (18), 6 states have return successors, (18), 8 states have call predecessors, (18), 5 states have call successors, (18) [2024-11-03 00:09:16,759 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 293 transitions. [2024-11-03 00:09:16,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-11-03 00:09:16,763 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 00:09:16,763 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 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] [2024-11-03 00:09:16,817 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-03 00:09:16,967 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-03 00:09:16,968 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 00:09:16,968 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 00:09:16,969 INFO L85 PathProgramCache]: Analyzing trace with hash -1347207493, now seen corresponding path program 1 times [2024-11-03 00:09:16,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 00:09:16,969 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [240540920] [2024-11-03 00:09:16,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 00:09:16,969 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-03 00:09:16,969 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-03 00:09:16,973 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-03 00:09:16,975 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-03 00:09:19,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 00:09:19,302 INFO L255 TraceCheckSpWp]: Trace formula consists of 2089 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-03 00:09:19,308 INFO L278 TraceCheckSpWp]: Computing forward predicates...