/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 'cvc4 --incremental --print-success --lang smt' -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/neural-networks/poly_8_8_8_thresh_3_unsafe.c-amalgamation.i -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-b75d321-m [2024-11-03 03:47:26,291 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-03 03:47:26,369 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 03:47:26,375 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-03 03:47:26,375 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-03 03:47:26,400 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-03 03:47:26,400 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-03 03:47:26,401 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-03 03:47:26,401 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-03 03:47:26,402 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-03 03:47:26,402 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-03 03:47:26,402 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-03 03:47:26,403 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-03 03:47:26,407 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-03 03:47:26,407 INFO L153 SettingsManager]: * Use SBE=true [2024-11-03 03:47:26,408 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-03 03:47:26,408 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-03 03:47:26,408 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-03 03:47:26,408 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-03 03:47:26,409 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-03 03:47:26,409 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-03 03:47:26,409 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-03 03:47:26,410 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-03 03:47:26,410 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-03 03:47:26,410 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-03 03:47:26,410 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-03 03:47:26,411 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-03 03:47:26,411 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-03 03:47:26,411 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-03 03:47:26,411 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-03 03:47:26,411 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-03 03:47:26,412 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-03 03:47:26,412 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-03 03:47:26,412 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-03 03:47:26,412 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-03 03:47:26,413 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-03 03:47:26,413 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-03 03:47:26,413 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-03 03:47:26,413 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-03 03:47:26,413 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-03 03:47:26,414 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-03 03:47:26,414 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-03 03:47:26,414 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-03 03:47:26,415 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-03 03:47:26,415 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> cvc4 --incremental --print-success --lang smt [2024-11-03 03:47:26,629 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-03 03:47:26,654 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-03 03:47:26,657 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-03 03:47:26,658 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-03 03:47:26,659 INFO L274 PluginConnector]: CDTParser initialized [2024-11-03 03:47:26,660 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/neural-networks/poly_8_8_8_thresh_3_unsafe.c-amalgamation.i [2024-11-03 03:47:28,057 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-03 03:47:28,377 INFO L384 CDTParser]: Found 1 translation units. [2024-11-03 03:47:28,377 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/neural-networks/poly_8_8_8_thresh_3_unsafe.c-amalgamation.i [2024-11-03 03:47:28,409 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2eefeb40b/a71f8dd15a2a42df9df673383fed20c3/FLAGdd20a7a6c [2024-11-03 03:47:28,634 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2eefeb40b/a71f8dd15a2a42df9df673383fed20c3 [2024-11-03 03:47:28,636 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-03 03:47:28,637 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-03 03:47:28,638 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-03 03:47:28,638 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-03 03:47:28,644 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-03 03:47:28,644 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:47:28" (1/1) ... [2024-11-03 03:47:28,645 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@712251c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:47:28, skipping insertion in model container [2024-11-03 03:47:28,645 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:47:28" (1/1) ... [2024-11-03 03:47:28,708 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-03 03:47:29,374 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_3_unsafe.c-amalgamation.i[71467,71480] [2024-11-03 03:47:29,646 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 03:47:29,650 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-03 03:47:29,669 INFO L200 MainTranslator]: Completed pre-run [2024-11-03 03:47:29,771 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_3_unsafe.c-amalgamation.i[71467,71480] [2024-11-03 03:47:29,883 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-03 03:47:30,109 INFO L204 MainTranslator]: Completed translation [2024-11-03 03:47:30,109 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:47:30 WrapperNode [2024-11-03 03:47:30,109 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-03 03:47:30,110 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-03 03:47:30,110 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-03 03:47:30,111 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-03 03:47:30,119 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:47:30" (1/1) ... [2024-11-03 03:47:30,202 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:47:30" (1/1) ... [2024-11-03 03:47:30,284 INFO L138 Inliner]: procedures = 779, calls = 784, calls flagged for inlining = 16, calls inlined = 16, statements flattened = 1389 [2024-11-03 03:47:30,285 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-03 03:47:30,286 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-03 03:47:30,286 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-03 03:47:30,286 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-03 03:47:30,296 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:47:30" (1/1) ... [2024-11-03 03:47:30,297 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:47:30" (1/1) ... [2024-11-03 03:47:30,307 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:47:30" (1/1) ... [2024-11-03 03:47:30,379 INFO L175 MemorySlicer]: Split 598 memory accesses to 16 slices as follows [3, 2, 181, 7, 2, 6, 2, 4, 212, 102, 4, 2, 4, 36, 4, 27]. 35 percent of accesses are in the largest equivalence class. The 353 initializations are split as follows [0, 2, 169, 7, 0, 0, 2, 1, 42, 72, 0, 0, 1, 32, 0, 25]. The 163 writes are split as follows [2, 0, 4, 0, 1, 3, 0, 0, 148, 0, 2, 1, 0, 0, 2, 0]. [2024-11-03 03:47:30,380 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:47:30" (1/1) ... [2024-11-03 03:47:30,380 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:47:30" (1/1) ... [2024-11-03 03:47:30,433 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:47:30" (1/1) ... [2024-11-03 03:47:30,443 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:47:30" (1/1) ... [2024-11-03 03:47:30,458 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:47:30" (1/1) ... [2024-11-03 03:47:30,467 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:47:30" (1/1) ... [2024-11-03 03:47:30,482 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-03 03:47:30,483 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-03 03:47:30,483 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-03 03:47:30,483 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-03 03:47:30,484 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:47:30" (1/1) ... [2024-11-03 03:47:30,489 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-03 03:47:30,502 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-03 03:47:30,517 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 03:47:30,523 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 03:47:30,545 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2024-11-03 03:47:30,546 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2024-11-03 03:47:30,546 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2 [2024-11-03 03:47:30,546 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3 [2024-11-03 03:47:30,546 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#4 [2024-11-03 03:47:30,546 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#5 [2024-11-03 03:47:30,546 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#6 [2024-11-03 03:47:30,546 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#7 [2024-11-03 03:47:30,546 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#8 [2024-11-03 03:47:30,547 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#9 [2024-11-03 03:47:30,547 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#10 [2024-11-03 03:47:30,547 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#11 [2024-11-03 03:47:30,547 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#12 [2024-11-03 03:47:30,547 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#13 [2024-11-03 03:47:30,547 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#14 [2024-11-03 03:47:30,547 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#15 [2024-11-03 03:47:30,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#0 [2024-11-03 03:47:30,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#1 [2024-11-03 03:47:30,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#2 [2024-11-03 03:47:30,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#3 [2024-11-03 03:47:30,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#4 [2024-11-03 03:47:30,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#5 [2024-11-03 03:47:30,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#6 [2024-11-03 03:47:30,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#7 [2024-11-03 03:47:30,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#8 [2024-11-03 03:47:30,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#9 [2024-11-03 03:47:30,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#10 [2024-11-03 03:47:30,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#11 [2024-11-03 03:47:30,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#12 [2024-11-03 03:47:30,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#13 [2024-11-03 03:47:30,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#14 [2024-11-03 03:47:30,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#15 [2024-11-03 03:47:30,551 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-03 03:47:30,551 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-03 03:47:30,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-03 03:47:30,551 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-03 03:47:30,551 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-03 03:47:30,552 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-03 03:47:30,552 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-11-03 03:47:30,552 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-11-03 03:47:30,552 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-11-03 03:47:30,552 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2024-11-03 03:47:30,552 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2024-11-03 03:47:30,552 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2024-11-03 03:47:30,552 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2024-11-03 03:47:30,552 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2024-11-03 03:47:30,552 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2024-11-03 03:47:30,553 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2024-11-03 03:47:30,553 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2024-11-03 03:47:30,553 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#14 [2024-11-03 03:47:30,553 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#15 [2024-11-03 03:47:30,554 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-03 03:47:30,554 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-03 03:47:30,554 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-03 03:47:30,554 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-11-03 03:47:30,554 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-11-03 03:47:30,554 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-11-03 03:47:30,554 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2024-11-03 03:47:30,554 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2024-11-03 03:47:30,554 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2024-11-03 03:47:30,554 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2024-11-03 03:47:30,555 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2024-11-03 03:47:30,555 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2024-11-03 03:47:30,555 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2024-11-03 03:47:30,555 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2024-11-03 03:47:30,555 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#14 [2024-11-03 03:47:30,556 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#15 [2024-11-03 03:47:30,556 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-03 03:47:30,556 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-03 03:47:30,556 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-03 03:47:30,557 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-03 03:47:30,557 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-03 03:47:30,557 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-03 03:47:30,557 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-03 03:47:30,557 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-03 03:47:30,557 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-03 03:47:30,557 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-03 03:47:30,557 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-03 03:47:30,558 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-03 03:47:30,558 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-03 03:47:30,558 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-03 03:47:30,559 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-03 03:47:30,559 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-11-03 03:47:30,559 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-11-03 03:47:30,559 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_idx2sub [2024-11-03 03:47:30,559 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_idx2sub [2024-11-03 03:47:30,559 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID [2024-11-03 03:47:30,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID [2024-11-03 03:47:30,559 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-03 03:47:30,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-03 03:47:30,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-03 03:47:30,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-03 03:47:30,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-03 03:47:30,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-03 03:47:30,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-03 03:47:30,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-11-03 03:47:30,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2024-11-03 03:47:30,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2024-11-03 03:47:30,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9 [2024-11-03 03:47:30,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#10 [2024-11-03 03:47:30,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#11 [2024-11-03 03:47:30,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#12 [2024-11-03 03:47:30,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#13 [2024-11-03 03:47:30,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#14 [2024-11-03 03:47:30,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#15 [2024-11-03 03:47:30,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-11-03 03:47:30,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-11-03 03:47:30,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-11-03 03:47:30,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2024-11-03 03:47:30,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#4 [2024-11-03 03:47:30,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#5 [2024-11-03 03:47:30,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#6 [2024-11-03 03:47:30,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#7 [2024-11-03 03:47:30,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#8 [2024-11-03 03:47:30,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#9 [2024-11-03 03:47:30,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#10 [2024-11-03 03:47:30,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#11 [2024-11-03 03:47:30,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#12 [2024-11-03 03:47:30,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#13 [2024-11-03 03:47:30,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#14 [2024-11-03 03:47:30,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#15 [2024-11-03 03:47:30,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#0 [2024-11-03 03:47:30,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#1 [2024-11-03 03:47:30,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#2 [2024-11-03 03:47:30,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#3 [2024-11-03 03:47:30,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#4 [2024-11-03 03:47:30,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#5 [2024-11-03 03:47:30,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#6 [2024-11-03 03:47:30,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#7 [2024-11-03 03:47:30,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#8 [2024-11-03 03:47:30,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#9 [2024-11-03 03:47:30,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#10 [2024-11-03 03:47:30,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#11 [2024-11-03 03:47:30,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#12 [2024-11-03 03:47:30,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#13 [2024-11-03 03:47:30,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#14 [2024-11-03 03:47:30,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#15 [2024-11-03 03:47:30,566 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-03 03:47:30,566 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-03 03:47:30,566 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-03 03:47:30,566 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-03 03:47:30,567 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-11-03 03:47:30,567 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-11-03 03:47:30,567 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2024-11-03 03:47:30,567 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2024-11-03 03:47:30,567 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8 [2024-11-03 03:47:30,567 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#9 [2024-11-03 03:47:30,568 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#10 [2024-11-03 03:47:30,568 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#11 [2024-11-03 03:47:30,568 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#12 [2024-11-03 03:47:30,568 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#13 [2024-11-03 03:47:30,568 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#14 [2024-11-03 03:47:30,569 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#15 [2024-11-03 03:47:30,569 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_dense [2024-11-03 03:47:30,569 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_dense [2024-11-03 03:47:30,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2024-11-03 03:47:30,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2024-11-03 03:47:30,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2 [2024-11-03 03:47:30,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3 [2024-11-03 03:47:30,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#4 [2024-11-03 03:47:30,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#5 [2024-11-03 03:47:30,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#6 [2024-11-03 03:47:30,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#7 [2024-11-03 03:47:30,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#8 [2024-11-03 03:47:30,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#9 [2024-11-03 03:47:30,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#10 [2024-11-03 03:47:30,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#11 [2024-11-03 03:47:30,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#12 [2024-11-03 03:47:30,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#13 [2024-11-03 03:47:30,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#14 [2024-11-03 03:47:30,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#15 [2024-11-03 03:47:30,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-03 03:47:30,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-03 03:47:30,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-03 03:47:30,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-03 03:47:30,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-11-03 03:47:30,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-11-03 03:47:30,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2024-11-03 03:47:30,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2024-11-03 03:47:30,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#8 [2024-11-03 03:47:30,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#9 [2024-11-03 03:47:30,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#10 [2024-11-03 03:47:30,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#11 [2024-11-03 03:47:30,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#12 [2024-11-03 03:47:30,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#13 [2024-11-03 03:47:30,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#14 [2024-11-03 03:47:30,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#15 [2024-11-03 03:47:30,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-03 03:47:30,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-03 03:47:30,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-03 03:47:30,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-03 03:47:30,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-03 03:47:30,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-03 03:47:30,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-03 03:47:30,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-03 03:47:30,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-03 03:47:30,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-03 03:47:30,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-03 03:47:30,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-11-03 03:47:30,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-11-03 03:47:30,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-11-03 03:47:30,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-11-03 03:47:30,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-11-03 03:47:30,576 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_sub2idx [2024-11-03 03:47:30,576 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_sub2idx [2024-11-03 03:47:30,953 INFO L238 CfgBuilder]: Building ICFG [2024-11-03 03:47:30,956 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-03 03:47:58,195 INFO L? ?]: Removed 289 outVars from TransFormulas that were not future-live. [2024-11-03 03:47:58,195 INFO L287 CfgBuilder]: Performing block encoding [2024-11-03 03:47:58,219 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-03 03:47:58,219 INFO L316 CfgBuilder]: Removed 44 assume(true) statements. [2024-11-03 03:47:58,219 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:47:58 BoogieIcfgContainer [2024-11-03 03:47:58,219 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-03 03:47:58,221 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-03 03:47:58,221 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-03 03:47:58,224 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-03 03:47:58,224 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 03:47:28" (1/3) ... [2024-11-03 03:47:58,225 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70a494f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:47:58, skipping insertion in model container [2024-11-03 03:47:58,225 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:47:30" (2/3) ... [2024-11-03 03:47:58,225 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70a494f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:47:58, skipping insertion in model container [2024-11-03 03:47:58,226 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:47:58" (3/3) ... [2024-11-03 03:47:58,227 INFO L112 eAbstractionObserver]: Analyzing ICFG poly_8_8_8_thresh_3_unsafe.c-amalgamation.i [2024-11-03 03:47:58,242 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-03 03:47:58,244 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-03 03:47:58,317 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-03 03:47:58,323 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;@e56de15, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-03 03:47:58,323 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-03 03:47:58,330 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 03:47:58,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-03 03:47:58,350 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 03:47:58,350 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 03:47:58,351 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 03:47:58,355 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 03:47:58,355 INFO L85 PathProgramCache]: Analyzing trace with hash -800940654, now seen corresponding path program 1 times [2024-11-03 03:47:58,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 03:47:58,364 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1239886166] [2024-11-03 03:47:58,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 03:47:58,366 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-03 03:47:58,366 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-03 03:47:58,368 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-03 03:47:58,370 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-03 03:48:06,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 03:48:06,524 INFO L255 TraceCheckSpWp]: Trace formula consists of 2851 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-03 03:48:06,534 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 03:48:06,556 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 03:48:06,556 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 03:48:07,205 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 03:48:07,206 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 03:48:07,206 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1239886166] [2024-11-03 03:48:07,206 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1239886166] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-03 03:48:07,207 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-03 03:48:07,207 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2024-11-03 03:48:07,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [970867694] [2024-11-03 03:48:07,209 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-03 03:48:07,212 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-03 03:48:07,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 03:48:07,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-03 03:48:07,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-03 03:48:07,236 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 03:48:07,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 03:48:07,286 INFO L93 Difference]: Finished difference Result 435 states and 676 transitions. [2024-11-03 03:48:07,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-03 03:48:07,289 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 03:48:07,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 03:48:07,298 INFO L225 Difference]: With dead ends: 435 [2024-11-03 03:48:07,298 INFO L226 Difference]: Without dead ends: 215 [2024-11-03 03:48:07,304 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 03:48:07,307 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 03:48:07,308 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 03:48:07,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2024-11-03 03:48:07,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 215. [2024-11-03 03:48:07,351 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 03:48:07,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 285 transitions. [2024-11-03 03:48:07,356 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 285 transitions. Word has length 108 [2024-11-03 03:48:07,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 03:48:07,356 INFO L471 AbstractCegarLoop]: Abstraction has 215 states and 285 transitions. [2024-11-03 03:48:07,356 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 03:48:07,357 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 285 transitions. [2024-11-03 03:48:07,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-03 03:48:07,362 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 03:48:07,362 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 03:48:07,399 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-03 03:48:07,562 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt [2024-11-03 03:48:07,563 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 03:48:07,564 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 03:48:07,564 INFO L85 PathProgramCache]: Analyzing trace with hash -1424222256, now seen corresponding path program 1 times [2024-11-03 03:48:07,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 03:48:07,564 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [180431403] [2024-11-03 03:48:07,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 03:48:07,565 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-03 03:48:07,565 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-03 03:48:07,567 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-03 03:48:07,568 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-03 03:48:14,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 03:48:15,216 INFO L255 TraceCheckSpWp]: Trace formula consists of 2852 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-03 03:48:15,230 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 03:48:16,050 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 03:48:16,050 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 03:48:17,682 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 03:48:17,682 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 03:48:17,683 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [180431403] [2024-11-03 03:48:17,683 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [180431403] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-03 03:48:17,683 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-03 03:48:17,683 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 10 [2024-11-03 03:48:17,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1274998077] [2024-11-03 03:48:17,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-03 03:48:17,685 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-03 03:48:17,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 03:48:17,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-03 03:48:17,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-03 03:48:17,686 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 03:48:18,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 03:48:18,634 INFO L93 Difference]: Finished difference Result 431 states and 574 transitions. [2024-11-03 03:48:18,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-03 03:48:18,635 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 03:48:18,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 03:48:18,639 INFO L225 Difference]: With dead ends: 431 [2024-11-03 03:48:18,639 INFO L226 Difference]: Without dead ends: 221 [2024-11-03 03:48:18,640 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 206 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2024-11-03 03:48:18,641 INFO L432 NwaCegarLoop]: 271 mSDtfsCounter, 404 mSDsluCounter, 598 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 418 SdHoareTripleChecker+Valid, 869 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-03 03:48:18,641 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [418 Valid, 869 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-03 03:48:18,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2024-11-03 03:48:18,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 221. [2024-11-03 03:48:18,660 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 03:48:18,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 292 transitions. [2024-11-03 03:48:18,664 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 292 transitions. Word has length 108 [2024-11-03 03:48:18,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 03:48:18,665 INFO L471 AbstractCegarLoop]: Abstraction has 221 states and 292 transitions. [2024-11-03 03:48:18,665 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 03:48:18,665 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 292 transitions. [2024-11-03 03:48:18,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-03 03:48:18,667 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 03:48:18,668 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 03:48:18,704 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-11-03 03:48:18,868 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt [2024-11-03 03:48:18,869 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 03:48:18,869 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 03:48:18,869 INFO L85 PathProgramCache]: Analyzing trace with hash -62375969, now seen corresponding path program 1 times [2024-11-03 03:48:18,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 03:48:18,870 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1424690534] [2024-11-03 03:48:18,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 03:48:18,870 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-03 03:48:18,870 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-03 03:48:18,872 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-03 03:48:18,873 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-03 03:48:25,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 03:48:26,195 INFO L255 TraceCheckSpWp]: Trace formula consists of 2855 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-03 03:48:26,201 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 03:48:26,997 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 03:48:26,998 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 03:48:28,927 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 03:48:28,927 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 03:48:28,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1424690534] [2024-11-03 03:48:28,928 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1424690534] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-03 03:48:28,928 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-03 03:48:28,928 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 10 [2024-11-03 03:48:28,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2018254472] [2024-11-03 03:48:28,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-03 03:48:28,929 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-03 03:48:28,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 03:48:28,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-03 03:48:28,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-03 03:48:28,930 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 03:48:30,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 03:48:30,029 INFO L93 Difference]: Finished difference Result 443 states and 588 transitions. [2024-11-03 03:48:30,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-03 03:48:30,031 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 03:48:30,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 03:48:30,034 INFO L225 Difference]: With dead ends: 443 [2024-11-03 03:48:30,034 INFO L226 Difference]: Without dead ends: 227 [2024-11-03 03:48:30,035 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 03:48:30,036 INFO L432 NwaCegarLoop]: 275 mSDtfsCounter, 246 mSDsluCounter, 603 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s 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, 1.0s IncrementalHoareTripleChecker+Time [2024-11-03 03:48:30,037 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [257 Valid, 878 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-03 03:48:30,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2024-11-03 03:48:30,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 221. [2024-11-03 03:48:30,052 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 03:48:30,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 292 transitions. [2024-11-03 03:48:30,054 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 292 transitions. Word has length 111 [2024-11-03 03:48:30,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 03:48:30,055 INFO L471 AbstractCegarLoop]: Abstraction has 221 states and 292 transitions. [2024-11-03 03:48:30,055 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 03:48:30,055 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 292 transitions. [2024-11-03 03:48:30,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-11-03 03:48:30,057 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 03:48:30,057 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 03:48:30,117 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-03 03:48:30,257 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt [2024-11-03 03:48:30,258 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 03:48:30,259 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 03:48:30,259 INFO L85 PathProgramCache]: Analyzing trace with hash -707353941, now seen corresponding path program 1 times [2024-11-03 03:48:30,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 03:48:30,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2145338773] [2024-11-03 03:48:30,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 03:48:30,259 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-03 03:48:30,260 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-03 03:48:30,262 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-03 03:48:30,263 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-03 03:48:37,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 03:48:37,665 INFO L255 TraceCheckSpWp]: Trace formula consists of 2861 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-03 03:48:37,670 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 03:48:38,500 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 03:48:38,500 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 03:48:40,172 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 03:48:40,172 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 03:48:40,172 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2145338773] [2024-11-03 03:48:40,173 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [2145338773] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-03 03:48:40,173 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-03 03:48:40,173 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 10 [2024-11-03 03:48:40,173 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2138491919] [2024-11-03 03:48:40,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-03 03:48:40,174 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-03 03:48:40,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 03:48:40,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-03 03:48:40,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-03 03:48:40,175 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 03:48:41,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 03:48:41,211 INFO L93 Difference]: Finished difference Result 443 states and 588 transitions. [2024-11-03 03:48:41,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-03 03:48:41,212 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 03:48:41,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 03:48:41,213 INFO L225 Difference]: With dead ends: 443 [2024-11-03 03:48:41,213 INFO L226 Difference]: Without dead ends: 227 [2024-11-03 03:48:41,215 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 233 GetRequests, 224 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2024-11-03 03:48:41,215 INFO L432 NwaCegarLoop]: 275 mSDtfsCounter, 244 mSDsluCounter, 603 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 256 SdHoareTripleChecker+Valid, 878 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-03 03:48:41,216 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [256 Valid, 878 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-03 03:48:41,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2024-11-03 03:48:41,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 221. [2024-11-03 03:48:41,240 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 03:48:41,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 292 transitions. [2024-11-03 03:48:41,244 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 292 transitions. Word has length 117 [2024-11-03 03:48:41,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 03:48:41,244 INFO L471 AbstractCegarLoop]: Abstraction has 221 states and 292 transitions. [2024-11-03 03:48:41,244 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 03:48:41,245 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 292 transitions. [2024-11-03 03:48:41,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-03 03:48:41,247 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 03:48:41,247 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 03:48:41,302 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2024-11-03 03:48:41,448 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt [2024-11-03 03:48:41,448 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 03:48:41,449 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 03:48:41,449 INFO L85 PathProgramCache]: Analyzing trace with hash 1107935770, now seen corresponding path program 1 times [2024-11-03 03:48:41,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 03:48:41,449 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1342935283] [2024-11-03 03:48:41,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 03:48:41,449 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-03 03:48:41,449 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-03 03:48:41,451 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-03 03:48:41,452 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-03 03:48:48,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 03:48:48,823 INFO L255 TraceCheckSpWp]: Trace formula consists of 2864 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-03 03:48:48,827 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 03:48:49,637 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 03:48:49,637 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 03:48:51,182 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 03:48:51,182 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 03:48:51,182 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1342935283] [2024-11-03 03:48:51,183 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1342935283] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-03 03:48:51,183 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-03 03:48:51,183 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 10 [2024-11-03 03:48:51,183 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [85102183] [2024-11-03 03:48:51,183 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-03 03:48:51,183 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-03 03:48:51,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 03:48:51,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-03 03:48:51,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-03 03:48:51,184 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 03:48:52,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 03:48:52,305 INFO L93 Difference]: Finished difference Result 443 states and 588 transitions. [2024-11-03 03:48:52,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-03 03:48:52,306 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 03:48:52,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 03:48:52,308 INFO L225 Difference]: With dead ends: 443 [2024-11-03 03:48:52,308 INFO L226 Difference]: Without dead ends: 227 [2024-11-03 03:48:52,309 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 239 GetRequests, 230 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2024-11-03 03:48:52,310 INFO L432 NwaCegarLoop]: 275 mSDtfsCounter, 243 mSDsluCounter, 603 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s 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, 1.0s IncrementalHoareTripleChecker+Time [2024-11-03 03:48:52,311 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [254 Valid, 878 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-03 03:48:52,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2024-11-03 03:48:52,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 221. [2024-11-03 03:48:52,326 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 03:48:52,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 292 transitions. [2024-11-03 03:48:52,327 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 292 transitions. Word has length 120 [2024-11-03 03:48:52,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 03:48:52,327 INFO L471 AbstractCegarLoop]: Abstraction has 221 states and 292 transitions. [2024-11-03 03:48:52,328 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 03:48:52,328 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 292 transitions. [2024-11-03 03:48:52,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-03 03:48:52,329 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 03:48:52,330 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 03:48:52,378 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2024-11-03 03:48:52,530 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt [2024-11-03 03:48:52,531 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 03:48:52,531 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 03:48:52,531 INFO L85 PathProgramCache]: Analyzing trace with hash 222786342, now seen corresponding path program 1 times [2024-11-03 03:48:52,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 03:48:52,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [169831935] [2024-11-03 03:48:52,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 03:48:52,531 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-03 03:48:52,532 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-03 03:48:52,533 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-03 03:48:52,534 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-03 03:48:59,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 03:48:59,833 INFO L255 TraceCheckSpWp]: Trace formula consists of 2861 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-03 03:48:59,837 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 03:49:01,532 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 03:49:01,532 INFO L311 TraceCheckSpWp]: Computing backward predicates...