/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_8_8_8_thresh_0_safe.c-amalgamation.i -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-b75d321-m [2024-11-03 00:11:07,912 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-03 00:11:07,970 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 00:11:07,975 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-03 00:11:07,975 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-03 00:11:08,002 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-03 00:11:08,002 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-03 00:11:08,003 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-03 00:11:08,003 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-03 00:11:08,004 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-03 00:11:08,005 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-03 00:11:08,005 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-03 00:11:08,005 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-03 00:11:08,006 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-03 00:11:08,006 INFO L153 SettingsManager]: * Use SBE=true [2024-11-03 00:11:08,007 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-03 00:11:08,008 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-03 00:11:08,009 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-03 00:11:08,010 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-03 00:11:08,010 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-03 00:11:08,010 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-03 00:11:08,010 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-03 00:11:08,010 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-03 00:11:08,011 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-03 00:11:08,011 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-03 00:11:08,011 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-03 00:11:08,011 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-03 00:11:08,011 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-03 00:11:08,011 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-03 00:11:08,012 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-03 00:11:08,012 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-03 00:11:08,012 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-03 00:11:08,012 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-03 00:11:08,012 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-03 00:11:08,012 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-03 00:11:08,013 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-03 00:11:08,014 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-03 00:11:08,014 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-03 00:11:08,014 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-03 00:11:08,014 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-03 00:11:08,014 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-03 00:11:08,015 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-03 00:11:08,015 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-03 00:11:08,015 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-03 00:11:08,015 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-03 00:11:08,211 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-03 00:11:08,231 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-03 00:11:08,235 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-03 00:11:08,236 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-03 00:11:08,237 INFO L274 PluginConnector]: CDTParser initialized [2024-11-03 00:11:08,238 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/neural-networks/poly_8_8_8_thresh_0_safe.c-amalgamation.i [2024-11-03 00:11:09,510 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-03 00:11:09,831 INFO L384 CDTParser]: Found 1 translation units. [2024-11-03 00:11:09,832 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/neural-networks/poly_8_8_8_thresh_0_safe.c-amalgamation.i [2024-11-03 00:11:09,858 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f17435748/7703540ff48f4277ba2859c1f337a8bd/FLAG2704ebd8a [2024-11-03 00:11:10,099 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f17435748/7703540ff48f4277ba2859c1f337a8bd [2024-11-03 00:11:10,101 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-03 00:11:10,103 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-03 00:11:10,106 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-03 00:11:10,106 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-03 00:11:10,109 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-03 00:11:10,110 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 12:11:10" (1/1) ... [2024-11-03 00:11:10,111 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fd4c2e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:11:10, skipping insertion in model container [2024-11-03 00:11:10,111 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 12:11:10" (1/1) ... [2024-11-03 00:11:10,167 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-03 00:11:10,745 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_8_8_8_thresh_0_safe.c-amalgamation.i[71467,71480] [2024-11-03 00:11:10,949 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 00:11:10,954 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-03 00:11:10,971 INFO L200 MainTranslator]: Completed pre-run [2024-11-03 00:11:11,021 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_8_8_8_thresh_0_safe.c-amalgamation.i[71467,71480] [2024-11-03 00:11:11,122 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-03 00:11:11,252 INFO L204 MainTranslator]: Completed translation [2024-11-03 00:11:11,253 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:11:11 WrapperNode [2024-11-03 00:11:11,253 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-03 00:11:11,254 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-03 00:11:11,254 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-03 00:11:11,254 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-03 00:11:11,259 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:11:11" (1/1) ... [2024-11-03 00:11:11,300 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:11:11" (1/1) ... [2024-11-03 00:11:11,402 INFO L138 Inliner]: procedures = 779, calls = 784, calls flagged for inlining = 16, calls inlined = 16, statements flattened = 1389 [2024-11-03 00:11:11,403 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-03 00:11:11,403 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-03 00:11:11,403 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-03 00:11:11,403 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-03 00:11:11,412 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:11:11" (1/1) ... [2024-11-03 00:11:11,412 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:11:11" (1/1) ... [2024-11-03 00:11:11,435 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:11:11" (1/1) ... [2024-11-03 00:11:11,487 INFO L175 MemorySlicer]: Split 598 memory accesses to 16 slices as follows [2, 7, 2, 102, 36, 6, 212, 4, 27, 3, 2, 4, 4, 181, 4, 2]. 35 percent of accesses are in the largest equivalence class. The 353 initializations are split as follows [2, 7, 2, 72, 32, 0, 42, 1, 25, 0, 0, 0, 1, 169, 0, 0]. The 163 writes are split as follows [0, 0, 0, 0, 0, 3, 148, 0, 0, 2, 1, 2, 0, 4, 2, 1]. [2024-11-03 00:11:11,487 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:11:11" (1/1) ... [2024-11-03 00:11:11,487 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:11:11" (1/1) ... [2024-11-03 00:11:11,539 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:11:11" (1/1) ... [2024-11-03 00:11:11,553 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:11:11" (1/1) ... [2024-11-03 00:11:11,563 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:11:11" (1/1) ... [2024-11-03 00:11:11,571 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:11:11" (1/1) ... [2024-11-03 00:11:11,584 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-03 00:11:11,586 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-03 00:11:11,586 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-03 00:11:11,586 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-03 00:11:11,586 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:11:11" (1/1) ... [2024-11-03 00:11:11,591 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-03 00:11:11,600 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-03 00:11:11,615 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 00:11:11,618 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 00:11:11,637 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2024-11-03 00:11:11,637 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2024-11-03 00:11:11,638 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2 [2024-11-03 00:11:11,638 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3 [2024-11-03 00:11:11,639 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#4 [2024-11-03 00:11:11,639 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#5 [2024-11-03 00:11:11,639 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#6 [2024-11-03 00:11:11,639 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#7 [2024-11-03 00:11:11,639 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#8 [2024-11-03 00:11:11,639 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#9 [2024-11-03 00:11:11,639 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#10 [2024-11-03 00:11:11,640 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#11 [2024-11-03 00:11:11,640 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#12 [2024-11-03 00:11:11,640 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#13 [2024-11-03 00:11:11,640 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#14 [2024-11-03 00:11:11,640 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#15 [2024-11-03 00:11:11,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#0 [2024-11-03 00:11:11,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#1 [2024-11-03 00:11:11,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#2 [2024-11-03 00:11:11,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#3 [2024-11-03 00:11:11,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#4 [2024-11-03 00:11:11,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#5 [2024-11-03 00:11:11,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#6 [2024-11-03 00:11:11,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#7 [2024-11-03 00:11:11,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#8 [2024-11-03 00:11:11,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#9 [2024-11-03 00:11:11,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#10 [2024-11-03 00:11:11,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#11 [2024-11-03 00:11:11,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#12 [2024-11-03 00:11:11,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#13 [2024-11-03 00:11:11,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#14 [2024-11-03 00:11:11,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#15 [2024-11-03 00:11:11,642 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-03 00:11:11,642 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-03 00:11:11,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-03 00:11:11,642 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-03 00:11:11,643 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-03 00:11:11,643 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-03 00:11:11,643 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-11-03 00:11:11,643 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-11-03 00:11:11,643 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-11-03 00:11:11,643 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2024-11-03 00:11:11,643 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2024-11-03 00:11:11,643 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2024-11-03 00:11:11,643 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2024-11-03 00:11:11,643 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2024-11-03 00:11:11,643 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2024-11-03 00:11:11,644 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2024-11-03 00:11:11,644 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2024-11-03 00:11:11,644 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#14 [2024-11-03 00:11:11,644 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#15 [2024-11-03 00:11:11,644 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-03 00:11:11,644 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-03 00:11:11,645 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-03 00:11:11,645 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-11-03 00:11:11,645 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-11-03 00:11:11,645 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-11-03 00:11:11,645 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2024-11-03 00:11:11,645 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2024-11-03 00:11:11,645 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2024-11-03 00:11:11,645 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2024-11-03 00:11:11,645 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2024-11-03 00:11:11,646 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2024-11-03 00:11:11,646 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2024-11-03 00:11:11,646 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2024-11-03 00:11:11,646 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#14 [2024-11-03 00:11:11,646 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#15 [2024-11-03 00:11:11,646 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-03 00:11:11,647 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-03 00:11:11,647 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-03 00:11:11,647 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-03 00:11:11,647 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-03 00:11:11,647 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-03 00:11:11,647 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-03 00:11:11,648 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-03 00:11:11,648 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-03 00:11:11,648 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-03 00:11:11,648 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-03 00:11:11,649 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-03 00:11:11,649 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-03 00:11:11,649 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-03 00:11:11,649 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-03 00:11:11,649 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-11-03 00:11:11,649 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-11-03 00:11:11,650 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_idx2sub [2024-11-03 00:11:11,650 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_idx2sub [2024-11-03 00:11:11,650 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID [2024-11-03 00:11:11,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID [2024-11-03 00:11:11,650 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-03 00:11:11,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-03 00:11:11,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-03 00:11:11,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-03 00:11:11,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-03 00:11:11,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-03 00:11:11,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-03 00:11:11,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-11-03 00:11:11,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2024-11-03 00:11:11,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2024-11-03 00:11:11,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9 [2024-11-03 00:11:11,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#10 [2024-11-03 00:11:11,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#11 [2024-11-03 00:11:11,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#12 [2024-11-03 00:11:11,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#13 [2024-11-03 00:11:11,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#14 [2024-11-03 00:11:11,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#15 [2024-11-03 00:11:11,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-11-03 00:11:11,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-11-03 00:11:11,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-11-03 00:11:11,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2024-11-03 00:11:11,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#4 [2024-11-03 00:11:11,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#5 [2024-11-03 00:11:11,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#6 [2024-11-03 00:11:11,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#7 [2024-11-03 00:11:11,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#8 [2024-11-03 00:11:11,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#9 [2024-11-03 00:11:11,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#10 [2024-11-03 00:11:11,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#11 [2024-11-03 00:11:11,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#12 [2024-11-03 00:11:11,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#13 [2024-11-03 00:11:11,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#14 [2024-11-03 00:11:11,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#15 [2024-11-03 00:11:11,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#0 [2024-11-03 00:11:11,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#1 [2024-11-03 00:11:11,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#2 [2024-11-03 00:11:11,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#3 [2024-11-03 00:11:11,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#4 [2024-11-03 00:11:11,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#5 [2024-11-03 00:11:11,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#6 [2024-11-03 00:11:11,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#7 [2024-11-03 00:11:11,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#8 [2024-11-03 00:11:11,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#9 [2024-11-03 00:11:11,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#10 [2024-11-03 00:11:11,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#11 [2024-11-03 00:11:11,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#12 [2024-11-03 00:11:11,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#13 [2024-11-03 00:11:11,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#14 [2024-11-03 00:11:11,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#15 [2024-11-03 00:11:11,655 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-03 00:11:11,656 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-03 00:11:11,656 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-03 00:11:11,656 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-03 00:11:11,656 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-11-03 00:11:11,656 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-11-03 00:11:11,656 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2024-11-03 00:11:11,656 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2024-11-03 00:11:11,656 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8 [2024-11-03 00:11:11,656 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#9 [2024-11-03 00:11:11,657 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#10 [2024-11-03 00:11:11,657 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#11 [2024-11-03 00:11:11,658 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#12 [2024-11-03 00:11:11,658 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#13 [2024-11-03 00:11:11,659 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#14 [2024-11-03 00:11:11,659 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#15 [2024-11-03 00:11:11,659 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_dense [2024-11-03 00:11:11,659 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_dense [2024-11-03 00:11:11,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2024-11-03 00:11:11,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2024-11-03 00:11:11,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2 [2024-11-03 00:11:11,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3 [2024-11-03 00:11:11,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#4 [2024-11-03 00:11:11,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#5 [2024-11-03 00:11:11,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#6 [2024-11-03 00:11:11,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#7 [2024-11-03 00:11:11,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#8 [2024-11-03 00:11:11,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#9 [2024-11-03 00:11:11,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#10 [2024-11-03 00:11:11,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#11 [2024-11-03 00:11:11,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#12 [2024-11-03 00:11:11,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#13 [2024-11-03 00:11:11,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#14 [2024-11-03 00:11:11,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#15 [2024-11-03 00:11:11,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-03 00:11:11,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-03 00:11:11,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-03 00:11:11,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-03 00:11:11,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-11-03 00:11:11,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-11-03 00:11:11,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2024-11-03 00:11:11,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2024-11-03 00:11:11,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#8 [2024-11-03 00:11:11,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#9 [2024-11-03 00:11:11,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#10 [2024-11-03 00:11:11,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#11 [2024-11-03 00:11:11,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#12 [2024-11-03 00:11:11,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#13 [2024-11-03 00:11:11,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#14 [2024-11-03 00:11:11,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#15 [2024-11-03 00:11:11,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-03 00:11:11,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-03 00:11:11,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-03 00:11:11,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-03 00:11:11,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-03 00:11:11,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-03 00:11:11,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-03 00:11:11,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-03 00:11:11,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-03 00:11:11,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-03 00:11:11,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-03 00:11:11,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-11-03 00:11:11,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-11-03 00:11:11,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-11-03 00:11:11,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-11-03 00:11:11,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-11-03 00:11:11,663 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_sub2idx [2024-11-03 00:11:11,663 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_sub2idx [2024-11-03 00:11:11,968 INFO L238 CfgBuilder]: Building ICFG [2024-11-03 00:11:11,970 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-03 00:11:38,339 INFO L? ?]: Removed 289 outVars from TransFormulas that were not future-live. [2024-11-03 00:11:38,339 INFO L287 CfgBuilder]: Performing block encoding [2024-11-03 00:11:38,360 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-03 00:11:38,361 INFO L316 CfgBuilder]: Removed 44 assume(true) statements. [2024-11-03 00:11:38,361 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 12:11:38 BoogieIcfgContainer [2024-11-03 00:11:38,361 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-03 00:11:38,363 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-03 00:11:38,363 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-03 00:11:38,366 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-03 00:11:38,366 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 12:11:10" (1/3) ... [2024-11-03 00:11:38,367 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e44bfd3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 12:11:38, skipping insertion in model container [2024-11-03 00:11:38,367 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:11:11" (2/3) ... [2024-11-03 00:11:38,367 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e44bfd3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 12:11:38, skipping insertion in model container [2024-11-03 00:11:38,367 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 12:11:38" (3/3) ... [2024-11-03 00:11:38,368 INFO L112 eAbstractionObserver]: Analyzing ICFG poly_8_8_8_thresh_0_safe.c-amalgamation.i [2024-11-03 00:11:38,381 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-03 00:11:38,381 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-03 00:11:38,442 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-03 00:11:38,447 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;@a332b50, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-03 00:11:38,447 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-03 00:11:38,452 INFO L276 IsEmpty]: Start isEmpty. Operand has 219 states, 200 states have (on average 1.555) internal successors, (311), 201 states have internal predecessors, (311), 12 states have call successors, (12), 5 states have call predecessors, (12), 5 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-03 00:11:38,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-03 00:11:38,473 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 00:11:38,476 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2024-11-03 00:11:38,476 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 00:11:38,481 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 00:11:38,482 INFO L85 PathProgramCache]: Analyzing trace with hash 1871545618, now seen corresponding path program 1 times [2024-11-03 00:11:38,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 00:11:38,488 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [273848751] [2024-11-03 00:11:38,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 00:11:38,490 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-03 00:11:38,490 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-03 00:11:38,492 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 00:11:38,493 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 00:11:42,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 00:11:42,142 INFO L255 TraceCheckSpWp]: Trace formula consists of 2851 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-03 00:11:42,153 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 00:11:42,171 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-03 00:11:42,171 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 00:11:42,867 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-03 00:11:42,868 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 00:11:42,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [273848751] [2024-11-03 00:11:42,868 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [273848751] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-03 00:11:42,869 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-03 00:11:42,869 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2024-11-03 00:11:42,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1215611830] [2024-11-03 00:11:42,871 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-03 00:11:42,874 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-03 00:11:42,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 00:11:42,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-03 00:11:42,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-03 00:11:42,896 INFO L87 Difference]: Start difference. First operand has 219 states, 200 states have (on average 1.555) internal successors, (311), 201 states have internal predecessors, (311), 12 states have call successors, (12), 5 states have call predecessors, (12), 5 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) 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, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-03 00:11:42,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 00:11:42,934 INFO L93 Difference]: Finished difference Result 435 states and 676 transitions. [2024-11-03 00:11:42,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-03 00:11:42,936 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, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 108 [2024-11-03 00:11:42,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 00:11:42,950 INFO L225 Difference]: With dead ends: 435 [2024-11-03 00:11:42,950 INFO L226 Difference]: Without dead ends: 215 [2024-11-03 00:11:42,959 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 214 GetRequests, 214 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 00:11:42,963 INFO L432 NwaCegarLoop]: 289 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, 289 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 00:11:42,964 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 289 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-03 00:11:42,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2024-11-03 00:11:43,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 215. [2024-11-03 00:11:43,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 215 states, 197 states have (on average 1.3248730964467006) internal successors, (261), 197 states have internal predecessors, (261), 12 states have call successors, (12), 5 states have call predecessors, (12), 5 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-03 00:11:43,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 285 transitions. [2024-11-03 00:11:43,012 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 285 transitions. Word has length 108 [2024-11-03 00:11:43,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 00:11:43,013 INFO L471 AbstractCegarLoop]: Abstraction has 215 states and 285 transitions. [2024-11-03 00:11:43,013 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, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-03 00:11:43,013 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 285 transitions. [2024-11-03 00:11:43,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-03 00:11:43,017 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 00:11:43,018 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2024-11-03 00:11:43,057 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 00:11:43,218 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 00:11:43,219 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 00:11:43,220 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 00:11:43,220 INFO L85 PathProgramCache]: Analyzing trace with hash 1248264016, now seen corresponding path program 1 times [2024-11-03 00:11:43,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 00:11:43,220 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [697862742] [2024-11-03 00:11:43,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 00:11:43,220 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-03 00:11:43,221 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-03 00:11:43,225 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 00:11:43,227 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 00:11:46,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 00:11:46,640 INFO L255 TraceCheckSpWp]: Trace formula consists of 2852 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-03 00:11:46,646 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 00:11:47,690 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-11-03 00:11:47,690 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 00:11:49,684 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2024-11-03 00:11:49,685 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 00:11:49,685 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [697862742] [2024-11-03 00:11:49,685 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [697862742] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-03 00:11:49,685 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-03 00:11:49,685 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 10 [2024-11-03 00:11:49,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2121374855] [2024-11-03 00:11:49,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-03 00:11:49,687 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-03 00:11:49,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 00:11:49,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-03 00:11:49,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-03 00:11:49,689 INFO L87 Difference]: Start difference. First operand 215 states and 285 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, (8), 2 states have call predecessors, (8), 4 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-03 00:11:50,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 00:11:50,970 INFO L93 Difference]: Finished difference Result 431 states and 574 transitions. [2024-11-03 00:11:50,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-03 00:11:50,972 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, (8), 2 states have call predecessors, (8), 4 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 108 [2024-11-03 00:11:50,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 00:11:50,975 INFO L225 Difference]: With dead ends: 431 [2024-11-03 00:11:50,979 INFO L226 Difference]: Without dead ends: 221 [2024-11-03 00:11:50,980 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 206 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2024-11-03 00:11:50,981 INFO L432 NwaCegarLoop]: 271 mSDtfsCounter, 404 mSDsluCounter, 598 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 417 SdHoareTripleChecker+Valid, 869 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-03 00:11:50,981 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [417 Valid, 869 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-03 00:11:50,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2024-11-03 00:11:51,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 221. [2024-11-03 00:11:51,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 221 states, 201 states have (on average 1.318407960199005) internal successors, (265), 201 states have internal predecessors, (265), 12 states have call successors, (12), 5 states have call predecessors, (12), 7 states have return successors, (15), 14 states have call predecessors, (15), 12 states have call successors, (15) [2024-11-03 00:11:51,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 292 transitions. [2024-11-03 00:11:51,006 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 292 transitions. Word has length 108 [2024-11-03 00:11:51,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 00:11:51,007 INFO L471 AbstractCegarLoop]: Abstraction has 221 states and 292 transitions. [2024-11-03 00:11:51,007 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, (8), 2 states have call predecessors, (8), 4 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-03 00:11:51,007 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 292 transitions. [2024-11-03 00:11:51,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-03 00:11:51,009 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 00:11:51,009 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 00:11:51,046 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-03 00:11:51,209 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 00:11:51,210 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 00:11:51,210 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 00:11:51,211 INFO L85 PathProgramCache]: Analyzing trace with hash -740467945, now seen corresponding path program 1 times [2024-11-03 00:11:51,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 00:11:51,211 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1930637541] [2024-11-03 00:11:51,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 00:11:51,211 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-03 00:11:51,211 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-03 00:11:51,213 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 00:11:51,214 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 00:11:54,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 00:11:54,416 INFO L255 TraceCheckSpWp]: Trace formula consists of 2855 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-03 00:11:54,421 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 00:11:55,363 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2024-11-03 00:11:55,363 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 00:11:57,288 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2024-11-03 00:11:57,288 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 00:11:57,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1930637541] [2024-11-03 00:11:57,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1930637541] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-03 00:11:57,289 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-03 00:11:57,289 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 10 [2024-11-03 00:11:57,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [77886683] [2024-11-03 00:11:57,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-03 00:11:57,290 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-03 00:11:57,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 00:11:57,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-03 00:11:57,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-03 00:11:57,291 INFO L87 Difference]: Start difference. First operand 221 states and 292 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, (8), 2 states have call predecessors, (8), 4 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-03 00:11:58,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 00:11:58,476 INFO L93 Difference]: Finished difference Result 443 states and 588 transitions. [2024-11-03 00:11:58,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-03 00:11:58,477 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, (8), 2 states have call predecessors, (8), 4 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 111 [2024-11-03 00:11:58,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 00:11:58,480 INFO L225 Difference]: With dead ends: 443 [2024-11-03 00:11:58,480 INFO L226 Difference]: Without dead ends: 227 [2024-11-03 00:11:58,481 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 221 GetRequests, 212 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2024-11-03 00:11:58,485 INFO L432 NwaCegarLoop]: 275 mSDtfsCounter, 246 mSDsluCounter, 603 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 257 SdHoareTripleChecker+Valid, 878 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-03 00:11:58,486 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [257 Valid, 878 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-03 00:11:58,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2024-11-03 00:11:58,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 221. [2024-11-03 00:11:58,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 221 states, 201 states have (on average 1.318407960199005) internal successors, (265), 201 states have internal predecessors, (265), 12 states have call successors, (12), 5 states have call predecessors, (12), 7 states have return successors, (15), 14 states have call predecessors, (15), 12 states have call successors, (15) [2024-11-03 00:11:58,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 292 transitions. [2024-11-03 00:11:58,506 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 292 transitions. Word has length 111 [2024-11-03 00:11:58,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 00:11:58,506 INFO L471 AbstractCegarLoop]: Abstraction has 221 states and 292 transitions. [2024-11-03 00:11:58,506 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, (8), 2 states have call predecessors, (8), 4 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-03 00:11:58,507 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 292 transitions. [2024-11-03 00:11:58,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-11-03 00:11:58,508 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 00:11:58,508 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 00:11:58,555 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 00:11:58,709 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 00:11:58,709 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 00:11:58,710 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 00:11:58,710 INFO L85 PathProgramCache]: Analyzing trace with hash -116768541, now seen corresponding path program 1 times [2024-11-03 00:11:58,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 00:11:58,710 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [430888673] [2024-11-03 00:11:58,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 00:11:58,710 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-03 00:11:58,711 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-03 00:11:58,712 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 00:11:58,725 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 00:12:01,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 00:12:02,067 INFO L255 TraceCheckSpWp]: Trace formula consists of 2861 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-03 00:12:02,073 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 00:12:03,052 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2024-11-03 00:12:03,052 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 00:12:04,940 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2024-11-03 00:12:04,941 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 00:12:04,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [430888673] [2024-11-03 00:12:04,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [430888673] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-03 00:12:04,941 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-03 00:12:04,941 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 10 [2024-11-03 00:12:04,941 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1903072519] [2024-11-03 00:12:04,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-03 00:12:04,942 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-03 00:12:04,942 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 00:12:04,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-03 00:12:04,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-03 00:12:04,943 INFO L87 Difference]: Start difference. First operand 221 states and 292 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, (8), 2 states have call predecessors, (8), 4 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-03 00:12:06,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 00:12:06,151 INFO L93 Difference]: Finished difference Result 443 states and 588 transitions. [2024-11-03 00:12:06,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-03 00:12:06,152 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, (8), 2 states have call predecessors, (8), 4 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 117 [2024-11-03 00:12:06,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 00:12:06,154 INFO L225 Difference]: With dead ends: 443 [2024-11-03 00:12:06,154 INFO L226 Difference]: Without dead ends: 227 [2024-11-03 00:12:06,155 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 233 GetRequests, 224 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2024-11-03 00:12:06,156 INFO L432 NwaCegarLoop]: 275 mSDtfsCounter, 244 mSDsluCounter, 603 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 255 SdHoareTripleChecker+Valid, 878 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-03 00:12:06,156 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [255 Valid, 878 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-03 00:12:06,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2024-11-03 00:12:06,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 221. [2024-11-03 00:12:06,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 221 states, 201 states have (on average 1.318407960199005) internal successors, (265), 201 states have internal predecessors, (265), 12 states have call successors, (12), 5 states have call predecessors, (12), 7 states have return successors, (15), 14 states have call predecessors, (15), 12 states have call successors, (15) [2024-11-03 00:12:06,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 292 transitions. [2024-11-03 00:12:06,177 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 292 transitions. Word has length 117 [2024-11-03 00:12:06,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 00:12:06,177 INFO L471 AbstractCegarLoop]: Abstraction has 221 states and 292 transitions. [2024-11-03 00:12:06,178 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, (8), 2 states have call predecessors, (8), 4 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-03 00:12:06,178 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 292 transitions. [2024-11-03 00:12:06,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-03 00:12:06,179 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 00:12:06,180 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 00:12:06,222 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-03 00:12:06,380 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 00:12:06,381 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 00:12:06,381 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 00:12:06,381 INFO L85 PathProgramCache]: Analyzing trace with hash -1354180710, now seen corresponding path program 1 times [2024-11-03 00:12:06,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 00:12:06,381 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1976865547] [2024-11-03 00:12:06,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 00:12:06,382 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-03 00:12:06,382 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-03 00:12:06,383 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 00:12:06,384 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 00:12:09,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 00:12:09,731 INFO L255 TraceCheckSpWp]: Trace formula consists of 2864 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-03 00:12:09,736 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 00:12:10,904 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2024-11-03 00:12:10,904 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 00:12:12,975 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2024-11-03 00:12:12,975 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 00:12:12,975 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1976865547] [2024-11-03 00:12:12,975 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1976865547] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-03 00:12:12,975 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-03 00:12:12,975 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 10 [2024-11-03 00:12:12,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1961769887] [2024-11-03 00:12:12,976 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-03 00:12:12,976 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-03 00:12:12,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 00:12:12,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-03 00:12:12,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-03 00:12:12,977 INFO L87 Difference]: Start difference. First operand 221 states and 292 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, (8), 2 states have call predecessors, (8), 4 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-03 00:12:14,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 00:12:14,259 INFO L93 Difference]: Finished difference Result 443 states and 588 transitions. [2024-11-03 00:12:14,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-03 00:12:14,260 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, (8), 2 states have call predecessors, (8), 4 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 120 [2024-11-03 00:12:14,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 00:12:14,262 INFO L225 Difference]: With dead ends: 443 [2024-11-03 00:12:14,262 INFO L226 Difference]: Without dead ends: 227 [2024-11-03 00:12:14,263 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 239 GetRequests, 230 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2024-11-03 00:12:14,264 INFO L432 NwaCegarLoop]: 275 mSDtfsCounter, 243 mSDsluCounter, 603 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 254 SdHoareTripleChecker+Valid, 878 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-03 00:12:14,264 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [254 Valid, 878 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-03 00:12:14,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2024-11-03 00:12:14,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 221. [2024-11-03 00:12:14,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 221 states, 201 states have (on average 1.318407960199005) internal successors, (265), 201 states have internal predecessors, (265), 12 states have call successors, (12), 5 states have call predecessors, (12), 7 states have return successors, (15), 14 states have call predecessors, (15), 12 states have call successors, (15) [2024-11-03 00:12:14,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 292 transitions. [2024-11-03 00:12:14,279 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 292 transitions. Word has length 120 [2024-11-03 00:12:14,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 00:12:14,279 INFO L471 AbstractCegarLoop]: Abstraction has 221 states and 292 transitions. [2024-11-03 00:12:14,280 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, (8), 2 states have call predecessors, (8), 4 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-03 00:12:14,280 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 292 transitions. [2024-11-03 00:12:14,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-03 00:12:14,281 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 00:12:14,281 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 00:12:14,325 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-03 00:12:14,482 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 00:12:14,482 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 00:12:14,483 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 00:12:14,483 INFO L85 PathProgramCache]: Analyzing trace with hash 848153694, now seen corresponding path program 1 times [2024-11-03 00:12:14,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 00:12:14,483 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2125962532] [2024-11-03 00:12:14,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 00:12:14,483 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-03 00:12:14,483 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-03 00:12:14,484 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 00:12:14,486 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 00:12:17,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 00:12:18,028 INFO L255 TraceCheckSpWp]: Trace formula consists of 2861 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-03 00:12:18,033 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 00:12:20,202 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2024-11-03 00:12:20,202 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 00:12:22,264 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2024-11-03 00:12:22,264 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 00:12:22,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2125962532] [2024-11-03 00:12:22,265 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [2125962532] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-03 00:12:22,265 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-03 00:12:22,265 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 6] imperfect sequences [] total 10 [2024-11-03 00:12:22,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [986363041] [2024-11-03 00:12:22,265 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-03 00:12:22,265 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-03 00:12:22,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 00:12:22,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-03 00:12:22,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-03 00:12:22,266 INFO L87 Difference]: Start difference. First operand 221 states and 292 transitions. Second operand has 10 states, 10 states have (on average 9.0) internal successors, (90), 10 states have internal predecessors, (90), 5 states have call successors, (16), 2 states have call predecessors, (16), 6 states have return successors, (16), 8 states have call predecessors, (16), 5 states have call successors, (16) [2024-11-03 00:12:23,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 00:12:23,864 INFO L93 Difference]: Finished difference Result 232 states and 303 transitions. [2024-11-03 00:12:23,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-03 00:12:23,865 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 9.0) internal successors, (90), 10 states have internal predecessors, (90), 5 states have call successors, (16), 2 states have call predecessors, (16), 6 states have return successors, (16), 8 states have call predecessors, (16), 5 states have call successors, (16) Word has length 123 [2024-11-03 00:12:23,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 00:12:23,867 INFO L225 Difference]: With dead ends: 232 [2024-11-03 00:12:23,867 INFO L226 Difference]: Without dead ends: 217 [2024-11-03 00:12:23,868 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 246 GetRequests, 237 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2024-11-03 00:12:23,868 INFO L432 NwaCegarLoop]: 273 mSDtfsCounter, 388 mSDsluCounter, 1098 mSDsCounter, 0 mSdLazyCounter, 165 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 398 SdHoareTripleChecker+Valid, 1371 SdHoareTripleChecker+Invalid, 173 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 165 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-03 00:12:23,868 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [398 Valid, 1371 Invalid, 173 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 165 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-03 00:12:23,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2024-11-03 00:12:23,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 217. [2024-11-03 00:12:23,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 217 states, 197 states have (on average 1.3147208121827412) internal successors, (259), 197 states have internal predecessors, (259), 12 states have call successors, (12), 5 states have call predecessors, (12), 7 states have return successors, (15), 14 states have call predecessors, (15), 12 states have call successors, (15) [2024-11-03 00:12:23,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 286 transitions. [2024-11-03 00:12:23,880 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 286 transitions. Word has length 123 [2024-11-03 00:12:23,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 00:12:23,881 INFO L471 AbstractCegarLoop]: Abstraction has 217 states and 286 transitions. [2024-11-03 00:12:23,882 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.0) internal successors, (90), 10 states have internal predecessors, (90), 5 states have call successors, (16), 2 states have call predecessors, (16), 6 states have return successors, (16), 8 states have call predecessors, (16), 5 states have call successors, (16) [2024-11-03 00:12:23,882 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 286 transitions. [2024-11-03 00:12:23,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-11-03 00:12:23,883 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 00:12:23,883 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2024-11-03 00:12:23,924 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-03 00:12:24,084 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 00:12:24,084 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 00:12:24,085 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 00:12:24,085 INFO L85 PathProgramCache]: Analyzing trace with hash -2076905036, now seen corresponding path program 1 times [2024-11-03 00:12:24,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 00:12:24,085 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2056699830] [2024-11-03 00:12:24,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 00:12:24,085 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-03 00:12:24,085 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-03 00:12:24,087 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 00:12:24,087 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 00:12:27,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 00:12:27,648 INFO L255 TraceCheckSpWp]: Trace formula consists of 2864 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-03 00:12:27,654 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 00:12:29,711 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2024-11-03 00:12:29,712 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 00:12:32,765 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2024-11-03 00:12:32,766 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 00:12:32,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2056699830] [2024-11-03 00:12:32,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [2056699830] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-03 00:12:32,766 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-03 00:12:32,766 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 9 [2024-11-03 00:12:32,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [122571445] [2024-11-03 00:12:32,766 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-03 00:12:32,766 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-03 00:12:32,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 00:12:32,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-03 00:12:32,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-11-03 00:12:32,767 INFO L87 Difference]: Start difference. First operand 217 states and 286 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, (8), 2 states have call predecessors, (8), 4 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-03 00:12:33,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 00:12:33,862 INFO L93 Difference]: Finished difference Result 435 states and 576 transitions. [2024-11-03 00:12:33,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-03 00:12:33,863 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, (8), 2 states have call predecessors, (8), 4 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 128 [2024-11-03 00:12:33,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 00:12:33,864 INFO L225 Difference]: With dead ends: 435 [2024-11-03 00:12:33,864 INFO L226 Difference]: Without dead ends: 223 [2024-11-03 00:12:33,865 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 255 GetRequests, 247 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-03 00:12:33,866 INFO L432 NwaCegarLoop]: 263 mSDtfsCounter, 232 mSDsluCounter, 535 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 246 SdHoareTripleChecker+Valid, 798 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-03 00:12:33,867 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [246 Valid, 798 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-03 00:12:33,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2024-11-03 00:12:33,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 217. [2024-11-03 00:12:33,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 217 states, 197 states have (on average 1.3147208121827412) internal successors, (259), 197 states have internal predecessors, (259), 12 states have call successors, (12), 5 states have call predecessors, (12), 7 states have return successors, (15), 14 states have call predecessors, (15), 12 states have call successors, (15) [2024-11-03 00:12:33,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 286 transitions. [2024-11-03 00:12:33,882 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 286 transitions. Word has length 128 [2024-11-03 00:12:33,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 00:12:33,882 INFO L471 AbstractCegarLoop]: Abstraction has 217 states and 286 transitions. [2024-11-03 00:12:33,882 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, (8), 2 states have call predecessors, (8), 4 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-03 00:12:33,882 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 286 transitions. [2024-11-03 00:12:33,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-11-03 00:12:33,884 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 00:12:33,884 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 00:12:33,935 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 00:12:34,084 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 00:12:34,085 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 00:12:34,085 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 00:12:34,085 INFO L85 PathProgramCache]: Analyzing trace with hash -51110970, now seen corresponding path program 1 times [2024-11-03 00:12:34,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 00:12:34,085 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1437755544] [2024-11-03 00:12:34,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 00:12:34,086 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-03 00:12:34,086 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-03 00:12:34,087 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 00:12:34,087 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 00:12:37,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 00:12:37,574 INFO L255 TraceCheckSpWp]: Trace formula consists of 2871 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-03 00:12:37,579 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 00:12:39,893 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2024-11-03 00:12:39,894 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 00:12:41,741 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2024-11-03 00:12:41,742 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 00:12:41,742 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1437755544] [2024-11-03 00:12:41,742 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1437755544] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-03 00:12:41,742 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-03 00:12:41,742 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 6] imperfect sequences [] total 10 [2024-11-03 00:12:41,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1382724831] [2024-11-03 00:12:41,742 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-03 00:12:41,743 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-03 00:12:41,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 00:12:41,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-03 00:12:41,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-03 00:12:41,744 INFO L87 Difference]: Start difference. First operand 217 states and 286 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, (16), 2 states have call predecessors, (16), 6 states have return successors, (16), 8 states have call predecessors, (16), 5 states have call successors, (16) [2024-11-03 00:12:42,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 00:12:42,887 INFO L93 Difference]: Finished difference Result 228 states and 297 transitions. [2024-11-03 00:12:42,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-03 00:12:42,888 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, (16), 2 states have call predecessors, (16), 6 states have return successors, (16), 8 states have call predecessors, (16), 5 states have call successors, (16) Word has length 127 [2024-11-03 00:12:42,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 00:12:42,890 INFO L225 Difference]: With dead ends: 228 [2024-11-03 00:12:42,890 INFO L226 Difference]: Without dead ends: 213 [2024-11-03 00:12:42,891 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 254 GetRequests, 245 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2024-11-03 00:12:42,891 INFO L432 NwaCegarLoop]: 267 mSDtfsCounter, 453 mSDsluCounter, 836 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 463 SdHoareTripleChecker+Valid, 1103 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-03 00:12:42,892 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [463 Valid, 1103 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-03 00:12:42,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2024-11-03 00:12:42,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 213. [2024-11-03 00:12:42,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 213 states, 193 states have (on average 1.310880829015544) internal successors, (253), 193 states have internal predecessors, (253), 12 states have call successors, (12), 5 states have call predecessors, (12), 7 states have return successors, (15), 14 states have call predecessors, (15), 12 states have call successors, (15) [2024-11-03 00:12:42,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 280 transitions. [2024-11-03 00:12:42,903 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 280 transitions. Word has length 127 [2024-11-03 00:12:42,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 00:12:42,904 INFO L471 AbstractCegarLoop]: Abstraction has 213 states and 280 transitions. [2024-11-03 00:12:42,904 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, (16), 2 states have call predecessors, (16), 6 states have return successors, (16), 8 states have call predecessors, (16), 5 states have call successors, (16) [2024-11-03 00:12:42,904 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 280 transitions. [2024-11-03 00:12:42,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-11-03 00:12:42,906 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 00:12:42,906 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 00:12:42,947 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-03 00:12:43,107 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-03 00:12:43,107 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 00:12:43,107 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 00:12:43,108 INFO L85 PathProgramCache]: Analyzing trace with hash 223803266, now seen corresponding path program 1 times [2024-11-03 00:12:43,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 00:12:43,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1497164739] [2024-11-03 00:12:43,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 00:12:43,108 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-03 00:12:43,108 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-03 00:12:43,109 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-03 00:12:43,110 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-03 00:12:46,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 00:12:46,580 INFO L255 TraceCheckSpWp]: Trace formula consists of 2873 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-03 00:12:46,584 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 00:12:48,782 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-11-03 00:12:48,782 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 00:12:50,495 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-11-03 00:12:50,495 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 00:12:50,496 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1497164739] [2024-11-03 00:12:50,496 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1497164739] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-03 00:12:50,496 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-03 00:12:50,496 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 6] imperfect sequences [] total 10 [2024-11-03 00:12:50,496 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [763378375] [2024-11-03 00:12:50,496 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-03 00:12:50,496 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-03 00:12:50,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 00:12:50,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-03 00:12:50,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-03 00:12:50,497 INFO L87 Difference]: Start difference. First operand 213 states and 280 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, (16), 2 states have call predecessors, (16), 6 states have return successors, (16), 8 states have call predecessors, (16), 5 states have call successors, (16)