/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/seq-mthreaded/rekh_ctm.2-1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-25 08:35:49,383 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-25 08:35:49,424 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-12-25 08:35:49,427 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-25 08:35:49,428 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-25 08:35:49,442 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-25 08:35:49,442 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-25 08:35:49,443 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-25 08:35:49,443 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-25 08:35:49,443 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-25 08:35:49,443 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-25 08:35:49,444 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-25 08:35:49,444 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-25 08:35:49,444 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-25 08:35:49,445 INFO L153 SettingsManager]: * Use SBE=true [2023-12-25 08:35:49,445 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-25 08:35:49,445 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-25 08:35:49,445 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-25 08:35:49,445 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-25 08:35:49,446 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-25 08:35:49,446 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-25 08:35:49,446 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-25 08:35:49,446 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-25 08:35:49,447 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-25 08:35:49,447 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-25 08:35:49,447 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-25 08:35:49,447 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-25 08:35:49,447 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-25 08:35:49,447 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-25 08:35:49,448 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-25 08:35:49,448 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-25 08:35:49,448 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-25 08:35:49,448 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-25 08:35:49,448 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-25 08:35:49,448 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-25 08:35:49,449 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-25 08:35:49,449 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-25 08:35:49,449 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-25 08:35:49,449 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-25 08:35:49,449 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-25 08:35:49,449 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-25 08:35:49,450 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-25 08:35:49,450 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-25 08:35:49,450 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-25 08:35:49,451 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-25 08:35:49,451 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-25 08:35:49,451 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-25 08:35:49,663 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-25 08:35:49,681 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-25 08:35:49,684 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-25 08:35:49,684 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-25 08:35:49,685 INFO L274 PluginConnector]: CDTParser initialized [2023-12-25 08:35:49,686 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/rekh_ctm.2-1.c [2023-12-25 08:35:50,734 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-25 08:35:51,019 INFO L384 CDTParser]: Found 1 translation units. [2023-12-25 08:35:51,019 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded/rekh_ctm.2-1.c [2023-12-25 08:35:51,044 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/18fc0f7c1/daeecb8818be4e8994c2d0c977d919a7/FLAG91589c170 [2023-12-25 08:35:51,060 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/18fc0f7c1/daeecb8818be4e8994c2d0c977d919a7 [2023-12-25 08:35:51,062 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-25 08:35:51,064 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-25 08:35:51,065 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-25 08:35:51,065 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-25 08:35:51,068 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-25 08:35:51,069 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.12 08:35:51" (1/1) ... [2023-12-25 08:35:51,069 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b5027be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 08:35:51, skipping insertion in model container [2023-12-25 08:35:51,070 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.12 08:35:51" (1/1) ... [2023-12-25 08:35:51,141 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-25 08:35:51,289 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded/rekh_ctm.2-1.c[1871,1884] [2023-12-25 08:35:51,762 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-25 08:35:51,786 INFO L202 MainTranslator]: Completed pre-run [2023-12-25 08:35:51,792 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"/tmp/aaaa/ctm.bug2.i","-S") [42] [2023-12-25 08:35:51,800 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded/rekh_ctm.2-1.c[1871,1884] [2023-12-25 08:35:52,045 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-25 08:35:52,092 INFO L206 MainTranslator]: Completed translation [2023-12-25 08:35:52,094 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 08:35:52 WrapperNode [2023-12-25 08:35:52,094 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-25 08:35:52,096 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-25 08:35:52,096 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-25 08:35:52,096 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-25 08:35:52,105 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 08:35:52" (1/1) ... [2023-12-25 08:35:52,203 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 08:35:52" (1/1) ... [2023-12-25 08:35:52,342 INFO L138 Inliner]: procedures = 105, calls = 2724, calls flagged for inlining = 35, calls inlined = 35, statements flattened = 8388 [2023-12-25 08:35:52,343 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-25 08:35:52,343 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-25 08:35:52,343 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-25 08:35:52,343 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-25 08:35:52,351 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 08:35:52" (1/1) ... [2023-12-25 08:35:52,351 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 08:35:52" (1/1) ... [2023-12-25 08:35:52,392 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 08:35:52" (1/1) ... [2023-12-25 08:35:52,475 INFO L175 MemorySlicer]: Split 2332 memory accesses to 49 slices as follows [2, 80, 86, 37, 37, 49, 46, 49, 46, 49, 46, 49, 46, 49, 46, 49, 46, 49, 46, 49, 46, 49, 46, 49, 46, 49, 46, 49, 46, 49, 46, 49, 46, 49, 46, 49, 46, 49, 46, 49, 46, 49, 46, 49, 46, 49, 46, 49, 46]. 4 percent of accesses are in the largest equivalence class. The 338 initializations are split as follows [2, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7]. The 402 writes are split as follows [0, 7, 7, 7, 7, 11, 6, 11, 6, 11, 6, 11, 6, 11, 6, 11, 6, 11, 6, 11, 6, 11, 6, 11, 6, 11, 6, 11, 6, 11, 6, 11, 6, 11, 6, 11, 6, 11, 6, 11, 6, 11, 6, 11, 6, 11, 6, 11, 6]. [2023-12-25 08:35:52,476 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 08:35:52" (1/1) ... [2023-12-25 08:35:52,476 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 08:35:52" (1/1) ... [2023-12-25 08:35:52,654 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 08:35:52" (1/1) ... [2023-12-25 08:35:52,685 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 08:35:52" (1/1) ... [2023-12-25 08:35:52,709 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 08:35:52" (1/1) ... [2023-12-25 08:35:52,733 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 08:35:52" (1/1) ... [2023-12-25 08:35:52,776 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-25 08:35:52,778 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-25 08:35:52,779 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-25 08:35:52,779 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-25 08:35:52,780 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 08:35:52" (1/1) ... [2023-12-25 08:35:52,784 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-25 08:35:52,793 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-25 08:35:52,808 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) [2023-12-25 08:35:52,815 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 [2023-12-25 08:35:52,835 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2023-12-25 08:35:52,835 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2023-12-25 08:35:52,836 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2023-12-25 08:35:52,836 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2023-12-25 08:35:52,836 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2023-12-25 08:35:52,836 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#5 [2023-12-25 08:35:52,836 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#6 [2023-12-25 08:35:52,837 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#7 [2023-12-25 08:35:52,837 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#8 [2023-12-25 08:35:52,837 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#9 [2023-12-25 08:35:52,837 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#10 [2023-12-25 08:35:52,837 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#11 [2023-12-25 08:35:52,837 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#12 [2023-12-25 08:35:52,837 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#13 [2023-12-25 08:35:52,837 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#14 [2023-12-25 08:35:52,837 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#15 [2023-12-25 08:35:52,837 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#16 [2023-12-25 08:35:52,837 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#17 [2023-12-25 08:35:52,837 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#18 [2023-12-25 08:35:52,837 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#19 [2023-12-25 08:35:52,837 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#20 [2023-12-25 08:35:52,838 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#21 [2023-12-25 08:35:52,838 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#22 [2023-12-25 08:35:52,838 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#23 [2023-12-25 08:35:52,839 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#24 [2023-12-25 08:35:52,839 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#25 [2023-12-25 08:35:52,839 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#26 [2023-12-25 08:35:52,839 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#27 [2023-12-25 08:35:52,839 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#28 [2023-12-25 08:35:52,839 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#29 [2023-12-25 08:35:52,839 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#30 [2023-12-25 08:35:52,839 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#31 [2023-12-25 08:35:52,839 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#32 [2023-12-25 08:35:52,839 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#33 [2023-12-25 08:35:52,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#34 [2023-12-25 08:35:52,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#35 [2023-12-25 08:35:52,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#36 [2023-12-25 08:35:52,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#37 [2023-12-25 08:35:52,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#38 [2023-12-25 08:35:52,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#39 [2023-12-25 08:35:52,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#40 [2023-12-25 08:35:52,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#41 [2023-12-25 08:35:52,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#42 [2023-12-25 08:35:52,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#43 [2023-12-25 08:35:52,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#44 [2023-12-25 08:35:52,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#45 [2023-12-25 08:35:52,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#46 [2023-12-25 08:35:52,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#47 [2023-12-25 08:35:52,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#48 [2023-12-25 08:35:52,840 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_state [2023-12-25 08:35:52,840 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_state [2023-12-25 08:35:52,841 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2023-12-25 08:35:52,841 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2023-12-25 08:35:52,841 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2023-12-25 08:35:52,841 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2023-12-25 08:35:52,841 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2023-12-25 08:35:52,841 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2023-12-25 08:35:52,841 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2023-12-25 08:35:52,841 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2023-12-25 08:35:52,841 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8 [2023-12-25 08:35:52,841 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#9 [2023-12-25 08:35:52,841 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#10 [2023-12-25 08:35:52,841 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#11 [2023-12-25 08:35:52,841 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#12 [2023-12-25 08:35:52,841 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#13 [2023-12-25 08:35:52,842 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#14 [2023-12-25 08:35:52,842 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#15 [2023-12-25 08:35:52,842 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#16 [2023-12-25 08:35:52,842 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#17 [2023-12-25 08:35:52,842 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#18 [2023-12-25 08:35:52,842 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#19 [2023-12-25 08:35:52,843 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#20 [2023-12-25 08:35:52,843 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#21 [2023-12-25 08:35:52,843 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#22 [2023-12-25 08:35:52,843 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#23 [2023-12-25 08:35:52,843 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#24 [2023-12-25 08:35:52,844 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#25 [2023-12-25 08:35:52,844 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#26 [2023-12-25 08:35:52,844 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#27 [2023-12-25 08:35:52,844 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#28 [2023-12-25 08:35:52,844 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#29 [2023-12-25 08:35:52,844 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#30 [2023-12-25 08:35:52,845 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#31 [2023-12-25 08:35:52,845 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#32 [2023-12-25 08:35:52,845 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#33 [2023-12-25 08:35:52,845 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#34 [2023-12-25 08:35:52,845 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#35 [2023-12-25 08:35:52,845 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#36 [2023-12-25 08:35:52,845 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#37 [2023-12-25 08:35:52,845 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#38 [2023-12-25 08:35:52,845 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#39 [2023-12-25 08:35:52,845 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#40 [2023-12-25 08:35:52,845 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#41 [2023-12-25 08:35:52,846 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#42 [2023-12-25 08:35:52,846 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#43 [2023-12-25 08:35:52,846 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#44 [2023-12-25 08:35:52,846 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#45 [2023-12-25 08:35:52,846 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#46 [2023-12-25 08:35:52,846 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#47 [2023-12-25 08:35:52,846 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#48 [2023-12-25 08:35:52,846 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#0 [2023-12-25 08:35:52,846 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#1 [2023-12-25 08:35:52,846 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#2 [2023-12-25 08:35:52,846 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#3 [2023-12-25 08:35:52,846 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#4 [2023-12-25 08:35:52,846 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#5 [2023-12-25 08:35:52,846 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#6 [2023-12-25 08:35:52,847 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#7 [2023-12-25 08:35:52,847 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#8 [2023-12-25 08:35:52,847 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#9 [2023-12-25 08:35:52,847 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#10 [2023-12-25 08:35:52,847 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#11 [2023-12-25 08:35:52,847 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#12 [2023-12-25 08:35:52,847 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#13 [2023-12-25 08:35:52,847 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#14 [2023-12-25 08:35:52,847 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#15 [2023-12-25 08:35:52,848 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#16 [2023-12-25 08:35:52,848 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#17 [2023-12-25 08:35:52,848 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#18 [2023-12-25 08:35:52,848 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#19 [2023-12-25 08:35:52,848 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#20 [2023-12-25 08:35:52,848 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#21 [2023-12-25 08:35:52,848 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#22 [2023-12-25 08:35:52,848 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#23 [2023-12-25 08:35:52,848 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#24 [2023-12-25 08:35:52,849 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#25 [2023-12-25 08:35:52,849 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#26 [2023-12-25 08:35:52,849 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#27 [2023-12-25 08:35:52,849 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#28 [2023-12-25 08:35:52,849 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#29 [2023-12-25 08:35:52,849 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#30 [2023-12-25 08:35:52,849 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#31 [2023-12-25 08:35:52,849 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#32 [2023-12-25 08:35:52,850 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#33 [2023-12-25 08:35:52,850 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#34 [2023-12-25 08:35:52,850 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#35 [2023-12-25 08:35:52,850 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#36 [2023-12-25 08:35:52,850 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#37 [2023-12-25 08:35:52,850 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#38 [2023-12-25 08:35:52,850 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#39 [2023-12-25 08:35:52,850 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#40 [2023-12-25 08:35:52,850 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#41 [2023-12-25 08:35:52,850 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#42 [2023-12-25 08:35:52,850 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#43 [2023-12-25 08:35:52,850 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#44 [2023-12-25 08:35:52,851 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#45 [2023-12-25 08:35:52,851 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#46 [2023-12-25 08:35:52,851 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#47 [2023-12-25 08:35:52,851 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#48 [2023-12-25 08:35:52,852 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_state [2023-12-25 08:35:52,853 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_state [2023-12-25 08:35:52,855 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_need_to_run_nxtbg [2023-12-25 08:35:52,859 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_need_to_run_nxtbg [2023-12-25 08:35:52,859 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2023-12-25 08:35:52,859 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2023-12-25 08:35:52,859 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_current_priority [2023-12-25 08:35:52,859 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_current_priority [2023-12-25 08:35:52,859 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_input [2023-12-25 08:35:52,859 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_input [2023-12-25 08:35:52,859 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_hyperperiod [2023-12-25 08:35:52,859 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_hyperperiod [2023-12-25 08:35:52,859 INFO L130 BoogieDeclarations]: Found specification of procedure bg_nxtcolorsensor [2023-12-25 08:35:52,859 INFO L138 BoogieDeclarations]: Found implementation of procedure bg_nxtcolorsensor [2023-12-25 08:35:52,859 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Writer [2023-12-25 08:35:52,859 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Writer [2023-12-25 08:35:52,860 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtcolorsensor_mode [2023-12-25 08:35:52,860 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtcolorsensor_mode [2023-12-25 08:35:52,860 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2023-12-25 08:35:52,860 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2023-12-25 08:35:52,860 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_count [2023-12-25 08:35:52,860 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_count [2023-12-25 08:35:52,860 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_state [2023-12-25 08:35:52,860 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_state [2023-12-25 08:35:52,860 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_output [2023-12-25 08:35:52,860 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_output [2023-12-25 08:35:52,860 INFO L130 BoogieDeclarations]: Found specification of procedure move_motor [2023-12-25 08:35:52,860 INFO L138 BoogieDeclarations]: Found implementation of procedure move_motor [2023-12-25 08:35:52,860 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_speed [2023-12-25 08:35:52,860 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_speed [2023-12-25 08:35:52,860 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2023-12-25 08:35:52,860 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2023-12-25 08:35:52,860 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-25 08:35:52,860 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2023-12-25 08:35:52,860 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2023-12-25 08:35:52,860 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_set_nxtcolorsensor [2023-12-25 08:35:52,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_set_nxtcolorsensor [2023-12-25 08:35:52,860 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t3 [2023-12-25 08:35:52,861 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t3 [2023-12-25 08:35:52,861 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_output [2023-12-25 08:35:52,861 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_output [2023-12-25 08:35:52,861 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2023-12-25 08:35:52,861 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2023-12-25 08:35:52,861 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_count [2023-12-25 08:35:52,861 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_count [2023-12-25 08:35:52,861 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2023-12-25 08:35:52,861 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2023-12-25 08:35:52,861 INFO L130 BoogieDeclarations]: Found specification of procedure TerminateTask [2023-12-25 08:35:52,861 INFO L138 BoogieDeclarations]: Found implementation of procedure TerminateTask [2023-12-25 08:35:52,861 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_count [2023-12-25 08:35:52,861 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_count [2023-12-25 08:35:52,861 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_current_priority [2023-12-25 08:35:52,861 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_current_priority [2023-12-25 08:35:52,861 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_count [2023-12-25 08:35:52,861 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_count [2023-12-25 08:35:52,861 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_count [2023-12-25 08:35:52,861 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_count [2023-12-25 08:35:52,861 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_speed [2023-12-25 08:35:52,861 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_speed [2023-12-25 08:35:52,861 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtcolorsensor_data_mode [2023-12-25 08:35:52,861 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtcolorsensor_data_mode [2023-12-25 08:35:52,862 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_threshold [2023-12-25 08:35:52,862 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_threshold [2023-12-25 08:35:52,862 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_need_to_read [2023-12-25 08:35:52,862 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_need_to_read [2023-12-25 08:35:52,862 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_state [2023-12-25 08:35:52,862 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_state [2023-12-25 08:35:52,862 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Reader [2023-12-25 08:35:52,862 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Reader [2023-12-25 08:35:52,862 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_dir [2023-12-25 08:35:52,862 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_dir [2023-12-25 08:35:52,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2023-12-25 08:35:52,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2023-12-25 08:35:52,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2023-12-25 08:35:52,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2023-12-25 08:35:52,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2023-12-25 08:35:52,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#5 [2023-12-25 08:35:52,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#6 [2023-12-25 08:35:52,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#7 [2023-12-25 08:35:52,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#8 [2023-12-25 08:35:52,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#9 [2023-12-25 08:35:52,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#10 [2023-12-25 08:35:52,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#11 [2023-12-25 08:35:52,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#12 [2023-12-25 08:35:52,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#13 [2023-12-25 08:35:52,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#14 [2023-12-25 08:35:52,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#15 [2023-12-25 08:35:52,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#16 [2023-12-25 08:35:52,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#17 [2023-12-25 08:35:52,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#18 [2023-12-25 08:35:52,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#19 [2023-12-25 08:35:52,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#20 [2023-12-25 08:35:52,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#21 [2023-12-25 08:35:52,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#22 [2023-12-25 08:35:52,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#23 [2023-12-25 08:35:52,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#24 [2023-12-25 08:35:52,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#25 [2023-12-25 08:35:52,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#26 [2023-12-25 08:35:52,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#27 [2023-12-25 08:35:52,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#28 [2023-12-25 08:35:52,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#29 [2023-12-25 08:35:52,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#30 [2023-12-25 08:35:52,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#31 [2023-12-25 08:35:52,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#32 [2023-12-25 08:35:52,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#33 [2023-12-25 08:35:52,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#34 [2023-12-25 08:35:52,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#35 [2023-12-25 08:35:52,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#36 [2023-12-25 08:35:52,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#37 [2023-12-25 08:35:52,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#38 [2023-12-25 08:35:52,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#39 [2023-12-25 08:35:52,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#40 [2023-12-25 08:35:52,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#41 [2023-12-25 08:35:52,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#42 [2023-12-25 08:35:52,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#43 [2023-12-25 08:35:52,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#44 [2023-12-25 08:35:52,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#45 [2023-12-25 08:35:52,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#46 [2023-12-25 08:35:52,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#47 [2023-12-25 08:35:52,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#48 [2023-12-25 08:35:52,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#0 [2023-12-25 08:35:52,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#1 [2023-12-25 08:35:52,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#2 [2023-12-25 08:35:52,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#3 [2023-12-25 08:35:52,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#4 [2023-12-25 08:35:52,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#5 [2023-12-25 08:35:52,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#6 [2023-12-25 08:35:52,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#7 [2023-12-25 08:35:52,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#8 [2023-12-25 08:35:52,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#9 [2023-12-25 08:35:52,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#10 [2023-12-25 08:35:52,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#11 [2023-12-25 08:35:52,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#12 [2023-12-25 08:35:52,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#13 [2023-12-25 08:35:52,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#14 [2023-12-25 08:35:52,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#15 [2023-12-25 08:35:52,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#16 [2023-12-25 08:35:52,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#17 [2023-12-25 08:35:52,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#18 [2023-12-25 08:35:52,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#19 [2023-12-25 08:35:52,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#20 [2023-12-25 08:35:52,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#21 [2023-12-25 08:35:52,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#22 [2023-12-25 08:35:52,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#23 [2023-12-25 08:35:52,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#24 [2023-12-25 08:35:52,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#25 [2023-12-25 08:35:52,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#26 [2023-12-25 08:35:52,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#27 [2023-12-25 08:35:52,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#28 [2023-12-25 08:35:52,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#29 [2023-12-25 08:35:52,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#30 [2023-12-25 08:35:52,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#31 [2023-12-25 08:35:52,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#32 [2023-12-25 08:35:52,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#33 [2023-12-25 08:35:52,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#34 [2023-12-25 08:35:52,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#35 [2023-12-25 08:35:52,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#36 [2023-12-25 08:35:52,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#37 [2023-12-25 08:35:52,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#38 [2023-12-25 08:35:52,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#39 [2023-12-25 08:35:52,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#40 [2023-12-25 08:35:52,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#41 [2023-12-25 08:35:52,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#42 [2023-12-25 08:35:52,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#43 [2023-12-25 08:35:52,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#44 [2023-12-25 08:35:52,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#45 [2023-12-25 08:35:52,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#46 [2023-12-25 08:35:52,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#47 [2023-12-25 08:35:52,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#48 [2023-12-25 08:35:52,870 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_speed [2023-12-25 08:35:52,870 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_speed [2023-12-25 08:35:52,870 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_input [2023-12-25 08:35:52,870 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_input [2023-12-25 08:35:52,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2023-12-25 08:35:52,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2023-12-25 08:35:52,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2023-12-25 08:35:52,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2023-12-25 08:35:52,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2023-12-25 08:35:52,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2023-12-25 08:35:52,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2023-12-25 08:35:52,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2023-12-25 08:35:52,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#8 [2023-12-25 08:35:52,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#9 [2023-12-25 08:35:52,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#10 [2023-12-25 08:35:52,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#11 [2023-12-25 08:35:52,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#12 [2023-12-25 08:35:52,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#13 [2023-12-25 08:35:52,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#14 [2023-12-25 08:35:52,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#15 [2023-12-25 08:35:52,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#16 [2023-12-25 08:35:52,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#17 [2023-12-25 08:35:52,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#18 [2023-12-25 08:35:52,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#19 [2023-12-25 08:35:52,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#20 [2023-12-25 08:35:52,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#21 [2023-12-25 08:35:52,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#22 [2023-12-25 08:35:52,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#23 [2023-12-25 08:35:52,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#24 [2023-12-25 08:35:52,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#25 [2023-12-25 08:35:52,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#26 [2023-12-25 08:35:52,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#27 [2023-12-25 08:35:52,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#28 [2023-12-25 08:35:52,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#29 [2023-12-25 08:35:52,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#30 [2023-12-25 08:35:52,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#31 [2023-12-25 08:35:52,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#32 [2023-12-25 08:35:52,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#33 [2023-12-25 08:35:52,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#34 [2023-12-25 08:35:52,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#35 [2023-12-25 08:35:52,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#36 [2023-12-25 08:35:52,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#37 [2023-12-25 08:35:52,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#38 [2023-12-25 08:35:52,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#39 [2023-12-25 08:35:52,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#40 [2023-12-25 08:35:52,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#41 [2023-12-25 08:35:52,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#42 [2023-12-25 08:35:52,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#43 [2023-12-25 08:35:52,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#44 [2023-12-25 08:35:52,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#45 [2023-12-25 08:35:52,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#46 [2023-12-25 08:35:52,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#47 [2023-12-25 08:35:52,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#48 [2023-12-25 08:35:52,872 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_state [2023-12-25 08:35:52,873 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_state [2023-12-25 08:35:52,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#0 [2023-12-25 08:35:52,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#1 [2023-12-25 08:35:52,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#2 [2023-12-25 08:35:52,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#3 [2023-12-25 08:35:52,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#4 [2023-12-25 08:35:52,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#5 [2023-12-25 08:35:52,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#6 [2023-12-25 08:35:52,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#7 [2023-12-25 08:35:52,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#8 [2023-12-25 08:35:52,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#9 [2023-12-25 08:35:52,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#10 [2023-12-25 08:35:52,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#11 [2023-12-25 08:35:52,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#12 [2023-12-25 08:35:52,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#13 [2023-12-25 08:35:52,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#14 [2023-12-25 08:35:52,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#15 [2023-12-25 08:35:52,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#16 [2023-12-25 08:35:52,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#17 [2023-12-25 08:35:52,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#18 [2023-12-25 08:35:52,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#19 [2023-12-25 08:35:52,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#20 [2023-12-25 08:35:52,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#21 [2023-12-25 08:35:52,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#22 [2023-12-25 08:35:52,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#23 [2023-12-25 08:35:52,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#24 [2023-12-25 08:35:52,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#25 [2023-12-25 08:35:52,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#26 [2023-12-25 08:35:52,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#27 [2023-12-25 08:35:52,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#28 [2023-12-25 08:35:52,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#29 [2023-12-25 08:35:52,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#30 [2023-12-25 08:35:52,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#31 [2023-12-25 08:35:52,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#32 [2023-12-25 08:35:52,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#33 [2023-12-25 08:35:52,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#34 [2023-12-25 08:35:52,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#35 [2023-12-25 08:35:52,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#36 [2023-12-25 08:35:52,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#37 [2023-12-25 08:35:52,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#38 [2023-12-25 08:35:52,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#39 [2023-12-25 08:35:52,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#40 [2023-12-25 08:35:52,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#41 [2023-12-25 08:35:52,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#42 [2023-12-25 08:35:52,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#43 [2023-12-25 08:35:52,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#44 [2023-12-25 08:35:52,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#45 [2023-12-25 08:35:52,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#46 [2023-12-25 08:35:52,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#47 [2023-12-25 08:35:52,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#48 [2023-12-25 08:35:52,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-25 08:35:52,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2023-12-25 08:35:52,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2023-12-25 08:35:52,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2023-12-25 08:35:52,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2023-12-25 08:35:52,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2023-12-25 08:35:52,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2023-12-25 08:35:52,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2023-12-25 08:35:52,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2023-12-25 08:35:52,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9 [2023-12-25 08:35:52,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#10 [2023-12-25 08:35:52,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#11 [2023-12-25 08:35:52,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#12 [2023-12-25 08:35:52,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#13 [2023-12-25 08:35:52,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#14 [2023-12-25 08:35:52,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#15 [2023-12-25 08:35:52,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#16 [2023-12-25 08:35:52,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#17 [2023-12-25 08:35:52,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#18 [2023-12-25 08:35:52,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#19 [2023-12-25 08:35:52,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#20 [2023-12-25 08:35:52,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#21 [2023-12-25 08:35:52,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#22 [2023-12-25 08:35:52,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#23 [2023-12-25 08:35:52,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#24 [2023-12-25 08:35:52,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#25 [2023-12-25 08:35:52,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#26 [2023-12-25 08:35:52,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#27 [2023-12-25 08:35:52,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#28 [2023-12-25 08:35:52,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#29 [2023-12-25 08:35:52,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#30 [2023-12-25 08:35:52,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#31 [2023-12-25 08:35:52,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#32 [2023-12-25 08:35:52,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#33 [2023-12-25 08:35:52,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#34 [2023-12-25 08:35:52,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#35 [2023-12-25 08:35:52,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#36 [2023-12-25 08:35:52,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#37 [2023-12-25 08:35:52,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#38 [2023-12-25 08:35:52,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#39 [2023-12-25 08:35:52,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#40 [2023-12-25 08:35:52,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#41 [2023-12-25 08:35:52,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#42 [2023-12-25 08:35:52,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#43 [2023-12-25 08:35:52,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#44 [2023-12-25 08:35:52,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#45 [2023-12-25 08:35:52,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#46 [2023-12-25 08:35:52,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#47 [2023-12-25 08:35:52,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#48 [2023-12-25 08:35:52,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2023-12-25 08:35:52,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2023-12-25 08:35:52,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2023-12-25 08:35:52,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2023-12-25 08:35:52,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#4 [2023-12-25 08:35:52,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#5 [2023-12-25 08:35:52,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#6 [2023-12-25 08:35:52,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#7 [2023-12-25 08:35:52,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#8 [2023-12-25 08:35:52,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#9 [2023-12-25 08:35:52,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#10 [2023-12-25 08:35:52,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#11 [2023-12-25 08:35:52,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#12 [2023-12-25 08:35:52,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#13 [2023-12-25 08:35:52,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#14 [2023-12-25 08:35:52,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#15 [2023-12-25 08:35:52,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#16 [2023-12-25 08:35:52,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#17 [2023-12-25 08:35:52,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#18 [2023-12-25 08:35:52,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#19 [2023-12-25 08:35:52,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#20 [2023-12-25 08:35:52,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#21 [2023-12-25 08:35:52,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#22 [2023-12-25 08:35:52,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#23 [2023-12-25 08:35:52,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#24 [2023-12-25 08:35:52,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#25 [2023-12-25 08:35:52,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#26 [2023-12-25 08:35:52,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#27 [2023-12-25 08:35:52,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#28 [2023-12-25 08:35:52,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#29 [2023-12-25 08:35:52,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#30 [2023-12-25 08:35:52,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#31 [2023-12-25 08:35:52,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#32 [2023-12-25 08:35:52,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#33 [2023-12-25 08:35:52,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#34 [2023-12-25 08:35:52,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#35 [2023-12-25 08:35:52,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#36 [2023-12-25 08:35:52,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#37 [2023-12-25 08:35:52,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#38 [2023-12-25 08:35:52,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#39 [2023-12-25 08:35:52,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#40 [2023-12-25 08:35:52,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#41 [2023-12-25 08:35:52,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#42 [2023-12-25 08:35:52,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#43 [2023-12-25 08:35:52,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#44 [2023-12-25 08:35:52,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#45 [2023-12-25 08:35:52,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#46 [2023-12-25 08:35:52,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#47 [2023-12-25 08:35:52,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#48 [2023-12-25 08:35:52,882 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_state [2023-12-25 08:35:52,882 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_state [2023-12-25 08:35:52,882 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_count [2023-12-25 08:35:52,882 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_count [2023-12-25 08:35:52,882 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_TapeMover [2023-12-25 08:35:52,882 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_TapeMover [2023-12-25 08:35:52,882 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_nxtcolorsensor_mode [2023-12-25 08:35:52,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_nxtcolorsensor_mode [2023-12-25 08:35:52,882 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Controller [2023-12-25 08:35:52,882 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Controller [2023-12-25 08:35:52,882 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-25 08:35:52,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-25 08:35:53,529 INFO L241 CfgBuilder]: Building ICFG [2023-12-25 08:35:53,533 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-25 08:36:36,869 INFO L282 CfgBuilder]: Performing block encoding [2023-12-25 08:36:37,130 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-25 08:36:37,130 INFO L309 CfgBuilder]: Removed 4 assume(true) statements. [2023-12-25 08:36:37,130 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.12 08:36:37 BoogieIcfgContainer [2023-12-25 08:36:37,130 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-25 08:36:37,133 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-25 08:36:37,133 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-25 08:36:37,135 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-25 08:36:37,135 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.12 08:35:51" (1/3) ... [2023-12-25 08:36:37,136 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48ed45c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.12 08:36:37, skipping insertion in model container [2023-12-25 08:36:37,136 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 08:35:52" (2/3) ... [2023-12-25 08:36:37,137 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48ed45c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.12 08:36:37, skipping insertion in model container [2023-12-25 08:36:37,137 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.12 08:36:37" (3/3) ... [2023-12-25 08:36:37,138 INFO L112 eAbstractionObserver]: Analyzing ICFG rekh_ctm.2-1.c [2023-12-25 08:36:37,152 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-25 08:36:37,152 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-25 08:36:37,233 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-25 08:36:37,239 INFO L357 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, mHoare=true, 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;@1010b153, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-25 08:36:37,239 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-25 08:36:37,251 INFO L276 IsEmpty]: Start isEmpty. Operand has 2391 states, 2043 states have (on average 1.495349975526187) internal successors, (3055), 2067 states have internal predecessors, (3055), 302 states have call successors, (302), 44 states have call predecessors, (302), 44 states have return successors, (302), 292 states have call predecessors, (302), 302 states have call successors, (302) [2023-12-25 08:36:37,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2023-12-25 08:36:37,275 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 08:36:37,275 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 08:36:37,276 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 08:36:37,282 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 08:36:37,282 INFO L85 PathProgramCache]: Analyzing trace with hash -1397951125, now seen corresponding path program 1 times [2023-12-25 08:36:37,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 08:36:37,296 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1757180904] [2023-12-25 08:36:37,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 08:36:37,297 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 08:36:37,297 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 08:36:37,299 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 08:36:37,342 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-12-25 08:36:39,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 08:36:39,781 INFO L262 TraceCheckSpWp]: Trace formula consists of 1426 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-25 08:36:39,790 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 08:36:39,816 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 08:36:39,817 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 08:36:39,821 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 08:36:39,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1757180904] [2023-12-25 08:36:39,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1757180904] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 08:36:39,822 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 08:36:39,822 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-25 08:36:39,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1784972394] [2023-12-25 08:36:39,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 08:36:39,829 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-25 08:36:39,830 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 08:36:39,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-25 08:36:39,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-25 08:36:39,857 INFO L87 Difference]: Start difference. First operand has 2391 states, 2043 states have (on average 1.495349975526187) internal successors, (3055), 2067 states have internal predecessors, (3055), 302 states have call successors, (302), 44 states have call predecessors, (302), 44 states have return successors, (302), 292 states have call predecessors, (302), 302 states have call successors, (302) Second operand has 2 states, 2 states have (on average 68.5) internal successors, (137), 2 states have internal predecessors, (137), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-12-25 08:36:43,916 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-25 08:36:48,030 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-25 08:36:48,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 08:36:48,898 INFO L93 Difference]: Finished difference Result 4776 states and 7565 transitions. [2023-12-25 08:36:48,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-25 08:36:48,900 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 68.5) internal successors, (137), 2 states have internal predecessors, (137), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 143 [2023-12-25 08:36:48,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 08:36:48,939 INFO L225 Difference]: With dead ends: 4776 [2023-12-25 08:36:48,939 INFO L226 Difference]: Without dead ends: 2381 [2023-12-25 08:36:48,963 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-25 08:36:48,967 INFO L413 NwaCegarLoop]: 2906 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2906 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.8s IncrementalHoareTripleChecker+Time [2023-12-25 08:36:48,968 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2906 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 55 Invalid, 2 Unknown, 0 Unchecked, 8.8s Time] [2023-12-25 08:36:48,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2381 states. [2023-12-25 08:36:49,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2381 to 2381. [2023-12-25 08:36:49,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2381 states, 2034 states have (on average 1.1573254670599804) internal successors, (2354), 2058 states have internal predecessors, (2354), 302 states have call successors, (302), 44 states have call predecessors, (302), 44 states have return successors, (301), 291 states have call predecessors, (301), 301 states have call successors, (301) [2023-12-25 08:36:49,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2381 states to 2381 states and 2957 transitions. [2023-12-25 08:36:49,227 INFO L78 Accepts]: Start accepts. Automaton has 2381 states and 2957 transitions. Word has length 143 [2023-12-25 08:36:49,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 08:36:49,228 INFO L495 AbstractCegarLoop]: Abstraction has 2381 states and 2957 transitions. [2023-12-25 08:36:49,228 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 68.5) internal successors, (137), 2 states have internal predecessors, (137), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-12-25 08:36:49,228 INFO L276 IsEmpty]: Start isEmpty. Operand 2381 states and 2957 transitions. [2023-12-25 08:36:49,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2023-12-25 08:36:49,239 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 08:36:49,239 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 08:36:49,262 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-12-25 08:36:49,453 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 08:36:49,455 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 08:36:49,455 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 08:36:49,455 INFO L85 PathProgramCache]: Analyzing trace with hash -918852323, now seen corresponding path program 1 times [2023-12-25 08:36:49,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 08:36:49,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [624092896] [2023-12-25 08:36:49,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 08:36:49,458 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 08:36:49,458 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 08:36:49,460 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 08:36:49,495 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-12-25 08:36:53,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 08:36:53,640 INFO L262 TraceCheckSpWp]: Trace formula consists of 1534 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-25 08:36:53,647 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 08:36:53,956 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-25 08:36:53,956 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 08:36:53,957 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 08:36:53,957 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [624092896] [2023-12-25 08:36:53,957 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [624092896] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 08:36:53,957 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 08:36:53,957 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-25 08:36:53,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2053216318] [2023-12-25 08:36:53,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 08:36:53,958 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-25 08:36:53,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 08:36:53,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-25 08:36:53,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-25 08:36:53,960 INFO L87 Difference]: Start difference. First operand 2381 states and 2957 transitions. Second operand has 4 states, 4 states have (on average 44.25) internal successors, (177), 4 states have internal predecessors, (177), 3 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) [2023-12-25 08:36:58,010 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-25 08:37:02,022 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-25 08:37:06,034 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-25 08:37:10,124 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-25 08:37:14,212 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-25 08:37:22,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 08:37:22,239 INFO L93 Difference]: Finished difference Result 5189 states and 6545 transitions. [2023-12-25 08:37:22,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 08:37:22,240 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 44.25) internal successors, (177), 4 states have internal predecessors, (177), 3 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) Word has length 197 [2023-12-25 08:37:22,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 08:37:22,259 INFO L225 Difference]: With dead ends: 5189 [2023-12-25 08:37:22,260 INFO L226 Difference]: Without dead ends: 2810 [2023-12-25 08:37:22,276 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 196 GetRequests, 194 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-25 08:37:22,280 INFO L413 NwaCegarLoop]: 2813 mSDtfsCounter, 1041 mSDsluCounter, 2996 mSDsCounter, 0 mSdLazyCounter, 715 mSolverCounterSat, 8 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1045 SdHoareTripleChecker+Valid, 5809 SdHoareTripleChecker+Invalid, 728 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 715 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.0s IncrementalHoareTripleChecker+Time [2023-12-25 08:37:22,281 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1045 Valid, 5809 Invalid, 728 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 715 Invalid, 5 Unknown, 0 Unchecked, 28.0s Time] [2023-12-25 08:37:22,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2810 states. [2023-12-25 08:37:22,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2810 to 2808. [2023-12-25 08:37:22,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2808 states, 2338 states have (on average 1.1907613344739094) internal successors, (2784), 2371 states have internal predecessors, (2784), 400 states have call successors, (400), 69 states have call predecessors, (400), 69 states have return successors, (399), 385 states have call predecessors, (399), 399 states have call successors, (399) [2023-12-25 08:37:22,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2808 states to 2808 states and 3583 transitions. [2023-12-25 08:37:22,385 INFO L78 Accepts]: Start accepts. Automaton has 2808 states and 3583 transitions. Word has length 197 [2023-12-25 08:37:22,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 08:37:22,387 INFO L495 AbstractCegarLoop]: Abstraction has 2808 states and 3583 transitions. [2023-12-25 08:37:22,387 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 44.25) internal successors, (177), 4 states have internal predecessors, (177), 3 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) [2023-12-25 08:37:22,388 INFO L276 IsEmpty]: Start isEmpty. Operand 2808 states and 3583 transitions. [2023-12-25 08:37:22,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2023-12-25 08:37:22,393 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 08:37:22,393 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 08:37:22,420 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-12-25 08:37:22,615 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 08:37:22,616 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 08:37:22,616 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 08:37:22,616 INFO L85 PathProgramCache]: Analyzing trace with hash 573414022, now seen corresponding path program 1 times [2023-12-25 08:37:22,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 08:37:22,618 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [573729408] [2023-12-25 08:37:22,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 08:37:22,618 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 08:37:22,618 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 08:37:22,622 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 08:37:22,623 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-12-25 08:37:26,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 08:37:26,856 INFO L262 TraceCheckSpWp]: Trace formula consists of 1538 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-25 08:37:26,865 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 08:37:27,123 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-25 08:37:27,123 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 08:37:27,124 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 08:37:27,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [573729408] [2023-12-25 08:37:27,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [573729408] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 08:37:27,124 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 08:37:27,124 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-25 08:37:27,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [807305721] [2023-12-25 08:37:27,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 08:37:27,125 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-25 08:37:27,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 08:37:27,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-25 08:37:27,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-25 08:37:27,126 INFO L87 Difference]: Start difference. First operand 2808 states and 3583 transitions. Second operand has 4 states, 4 states have (on average 43.75) internal successors, (175), 4 states have internal predecessors, (175), 3 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 1 states have call predecessors, (9), 2 states have call successors, (9) [2023-12-25 08:37:31,177 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-25 08:37:35,186 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-25 08:37:39,194 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-25 08:37:43,330 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-25 08:37:47,357 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-25 08:37:56,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 08:37:56,023 INFO L93 Difference]: Finished difference Result 5610 states and 7161 transitions. [2023-12-25 08:37:56,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 08:37:56,024 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 43.75) internal successors, (175), 4 states have internal predecessors, (175), 3 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 1 states have call predecessors, (9), 2 states have call successors, (9) Word has length 200 [2023-12-25 08:37:56,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 08:37:56,041 INFO L225 Difference]: With dead ends: 5610 [2023-12-25 08:37:56,042 INFO L226 Difference]: Without dead ends: 2804 [2023-12-25 08:37:56,056 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 197 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-25 08:37:56,059 INFO L413 NwaCegarLoop]: 2818 mSDtfsCounter, 1029 mSDsluCounter, 4786 mSDsCounter, 0 mSdLazyCounter, 840 mSolverCounterSat, 5 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1029 SdHoareTripleChecker+Valid, 7604 SdHoareTripleChecker+Invalid, 850 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 840 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.6s IncrementalHoareTripleChecker+Time [2023-12-25 08:37:56,062 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1029 Valid, 7604 Invalid, 850 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 840 Invalid, 5 Unknown, 0 Unchecked, 28.6s Time] [2023-12-25 08:37:56,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2804 states. [2023-12-25 08:37:56,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2804 to 2802. [2023-12-25 08:37:56,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2802 states, 2335 states have (on average 1.1897216274089937) internal successors, (2778), 2368 states have internal predecessors, (2778), 397 states have call successors, (397), 69 states have call predecessors, (397), 69 states have return successors, (396), 382 states have call predecessors, (396), 396 states have call successors, (396) [2023-12-25 08:37:56,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2802 states to 2802 states and 3571 transitions. [2023-12-25 08:37:56,155 INFO L78 Accepts]: Start accepts. Automaton has 2802 states and 3571 transitions. Word has length 200 [2023-12-25 08:37:56,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 08:37:56,155 INFO L495 AbstractCegarLoop]: Abstraction has 2802 states and 3571 transitions. [2023-12-25 08:37:56,155 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 43.75) internal successors, (175), 4 states have internal predecessors, (175), 3 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 1 states have call predecessors, (9), 2 states have call successors, (9) [2023-12-25 08:37:56,155 INFO L276 IsEmpty]: Start isEmpty. Operand 2802 states and 3571 transitions. [2023-12-25 08:37:56,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2023-12-25 08:37:56,160 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 08:37:56,160 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 08:37:56,193 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2023-12-25 08:37:56,380 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 08:37:56,381 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 08:37:56,382 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 08:37:56,382 INFO L85 PathProgramCache]: Analyzing trace with hash 1066129805, now seen corresponding path program 1 times [2023-12-25 08:37:56,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 08:37:56,383 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1744155345] [2023-12-25 08:37:56,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 08:37:56,384 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 08:37:56,384 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 08:37:56,396 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 08:37:56,398 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-12-25 08:38:00,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 08:38:00,666 INFO L262 TraceCheckSpWp]: Trace formula consists of 1541 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-25 08:38:00,672 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 08:38:01,268 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-25 08:38:01,268 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 08:38:01,268 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 08:38:01,268 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1744155345] [2023-12-25 08:38:01,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1744155345] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 08:38:01,268 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 08:38:01,268 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-25 08:38:01,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1313170659] [2023-12-25 08:38:01,269 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 08:38:01,269 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-25 08:38:01,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 08:38:01,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-25 08:38:01,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-25 08:38:01,270 INFO L87 Difference]: Start difference. First operand 2802 states and 3571 transitions. Second operand has 4 states, 4 states have (on average 45.0) internal successors, (180), 4 states have internal predecessors, (180), 3 states have call successors, (11), 3 states have call predecessors, (11), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-12-25 08:38:05,322 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-25 08:38:09,331 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-25 08:38:13,343 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-25 08:38:17,417 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-25 08:38:21,508 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-25 08:38:28,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 08:38:28,375 INFO L93 Difference]: Finished difference Result 5604 states and 7147 transitions. [2023-12-25 08:38:28,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 08:38:28,376 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 45.0) internal successors, (180), 4 states have internal predecessors, (180), 3 states have call successors, (11), 3 states have call predecessors, (11), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 201 [2023-12-25 08:38:28,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 08:38:28,390 INFO L225 Difference]: With dead ends: 5604 [2023-12-25 08:38:28,390 INFO L226 Difference]: Without dead ends: 2804 [2023-12-25 08:38:28,405 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 198 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-25 08:38:28,406 INFO L413 NwaCegarLoop]: 2813 mSDtfsCounter, 1014 mSDsluCounter, 2989 mSDsCounter, 0 mSdLazyCounter, 709 mSolverCounterSat, 8 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1018 SdHoareTripleChecker+Valid, 5802 SdHoareTripleChecker+Invalid, 722 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 709 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.9s IncrementalHoareTripleChecker+Time [2023-12-25 08:38:28,407 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1018 Valid, 5802 Invalid, 722 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 709 Invalid, 5 Unknown, 0 Unchecked, 26.9s Time] [2023-12-25 08:38:28,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2804 states. [2023-12-25 08:38:28,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2804 to 2802. [2023-12-25 08:38:28,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2802 states, 2335 states have (on average 1.1892933618843684) internal successors, (2777), 2368 states have internal predecessors, (2777), 397 states have call successors, (397), 69 states have call predecessors, (397), 69 states have return successors, (396), 382 states have call predecessors, (396), 396 states have call successors, (396) [2023-12-25 08:38:28,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2802 states to 2802 states and 3570 transitions. [2023-12-25 08:38:28,477 INFO L78 Accepts]: Start accepts. Automaton has 2802 states and 3570 transitions. Word has length 201 [2023-12-25 08:38:28,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 08:38:28,477 INFO L495 AbstractCegarLoop]: Abstraction has 2802 states and 3570 transitions. [2023-12-25 08:38:28,477 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 45.0) internal successors, (180), 4 states have internal predecessors, (180), 3 states have call successors, (11), 3 states have call predecessors, (11), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-12-25 08:38:28,477 INFO L276 IsEmpty]: Start isEmpty. Operand 2802 states and 3570 transitions. [2023-12-25 08:38:28,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2023-12-25 08:38:28,480 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 08:38:28,481 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 08:38:28,500 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2023-12-25 08:38:28,696 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 08:38:28,697 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 08:38:28,697 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 08:38:28,698 INFO L85 PathProgramCache]: Analyzing trace with hash 66514980, now seen corresponding path program 1 times [2023-12-25 08:38:28,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 08:38:28,699 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1794692813] [2023-12-25 08:38:28,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 08:38:28,699 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 08:38:28,699 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 08:38:28,700 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 08:38:28,702 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2023-12-25 08:38:33,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 08:38:33,076 INFO L262 TraceCheckSpWp]: Trace formula consists of 1545 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-25 08:38:33,081 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 08:38:33,595 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-25 08:38:33,595 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 08:38:33,596 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 08:38:33,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1794692813] [2023-12-25 08:38:33,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1794692813] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 08:38:33,596 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 08:38:33,596 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-25 08:38:33,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1734613310] [2023-12-25 08:38:33,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 08:38:33,597 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-25 08:38:33,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 08:38:33,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-25 08:38:33,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-25 08:38:33,598 INFO L87 Difference]: Start difference. First operand 2802 states and 3570 transitions. Second operand has 4 states, 4 states have (on average 44.25) internal successors, (177), 4 states have internal predecessors, (177), 3 states have call successors, (11), 3 states have call predecessors, (11), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-12-25 08:38:37,648 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-25 08:38:41,659 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-25 08:38:45,676 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-25 08:38:49,778 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-25 08:38:53,842 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-25 08:39:02,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 08:39:02,212 INFO L93 Difference]: Finished difference Result 5598 states and 7136 transitions. [2023-12-25 08:39:02,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 08:39:02,213 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 44.25) internal successors, (177), 4 states have internal predecessors, (177), 3 states have call successors, (11), 3 states have call predecessors, (11), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 204 [2023-12-25 08:39:02,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 08:39:02,226 INFO L225 Difference]: With dead ends: 5598 [2023-12-25 08:39:02,226 INFO L226 Difference]: Without dead ends: 2798 [2023-12-25 08:39:02,235 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 201 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-25 08:39:02,236 INFO L413 NwaCegarLoop]: 2818 mSDtfsCounter, 1002 mSDsluCounter, 4792 mSDsCounter, 0 mSdLazyCounter, 834 mSolverCounterSat, 5 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1002 SdHoareTripleChecker+Valid, 7610 SdHoareTripleChecker+Invalid, 844 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 834 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.5s IncrementalHoareTripleChecker+Time [2023-12-25 08:39:02,236 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1002 Valid, 7610 Invalid, 844 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 834 Invalid, 5 Unknown, 0 Unchecked, 28.5s Time] [2023-12-25 08:39:02,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2798 states. [2023-12-25 08:39:02,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2798 to 2796. [2023-12-25 08:39:02,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2796 states, 2332 states have (on average 1.1882504288164666) internal successors, (2771), 2365 states have internal predecessors, (2771), 394 states have call successors, (394), 69 states have call predecessors, (394), 69 states have return successors, (393), 379 states have call predecessors, (393), 393 states have call successors, (393) [2023-12-25 08:39:02,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2796 states to 2796 states and 3558 transitions. [2023-12-25 08:39:02,309 INFO L78 Accepts]: Start accepts. Automaton has 2796 states and 3558 transitions. Word has length 204 [2023-12-25 08:39:02,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 08:39:02,309 INFO L495 AbstractCegarLoop]: Abstraction has 2796 states and 3558 transitions. [2023-12-25 08:39:02,309 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 44.25) internal successors, (177), 4 states have internal predecessors, (177), 3 states have call successors, (11), 3 states have call predecessors, (11), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-12-25 08:39:02,309 INFO L276 IsEmpty]: Start isEmpty. Operand 2796 states and 3558 transitions. [2023-12-25 08:39:02,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2023-12-25 08:39:02,313 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 08:39:02,313 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 08:39:02,335 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2023-12-25 08:39:02,535 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 08:39:02,536 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 08:39:02,536 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 08:39:02,536 INFO L85 PathProgramCache]: Analyzing trace with hash 738585614, now seen corresponding path program 1 times [2023-12-25 08:39:02,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 08:39:02,538 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [497800360] [2023-12-25 08:39:02,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 08:39:02,538 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 08:39:02,538 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 08:39:02,539 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 08:39:02,540 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2023-12-25 08:39:06,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 08:39:06,744 INFO L262 TraceCheckSpWp]: Trace formula consists of 1551 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-25 08:39:06,749 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 08:39:07,562 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-25 08:39:07,562 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 08:39:07,562 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 08:39:07,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [497800360] [2023-12-25 08:39:07,562 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [497800360] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 08:39:07,562 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 08:39:07,562 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-25 08:39:07,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2064509952] [2023-12-25 08:39:07,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 08:39:07,563 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-25 08:39:07,563 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 08:39:07,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-25 08:39:07,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-25 08:39:07,564 INFO L87 Difference]: Start difference. First operand 2796 states and 3558 transitions. Second operand has 4 states, 4 states have (on average 45.75) internal successors, (183), 4 states have internal predecessors, (183), 3 states have call successors, (12), 3 states have call predecessors, (12), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-12-25 08:39:11,610 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-25 08:39:15,618 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-25 08:39:19,631 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-25 08:39:23,780 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-25 08:39:27,850 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-25 08:39:34,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 08:39:34,650 INFO L93 Difference]: Finished difference Result 5592 states and 7120 transitions. [2023-12-25 08:39:34,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 08:39:34,652 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 45.75) internal successors, (183), 4 states have internal predecessors, (183), 3 states have call successors, (12), 3 states have call predecessors, (12), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 206 [2023-12-25 08:39:34,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 08:39:34,663 INFO L225 Difference]: With dead ends: 5592 [2023-12-25 08:39:34,664 INFO L226 Difference]: Without dead ends: 2798 [2023-12-25 08:39:34,674 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 203 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-25 08:39:34,674 INFO L413 NwaCegarLoop]: 2813 mSDtfsCounter, 989 mSDsluCounter, 2982 mSDsCounter, 0 mSdLazyCounter, 703 mSolverCounterSat, 8 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 993 SdHoareTripleChecker+Valid, 5795 SdHoareTripleChecker+Invalid, 716 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 703 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.9s IncrementalHoareTripleChecker+Time [2023-12-25 08:39:34,674 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [993 Valid, 5795 Invalid, 716 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 703 Invalid, 5 Unknown, 0 Unchecked, 26.9s Time] [2023-12-25 08:39:34,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2798 states. [2023-12-25 08:39:34,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2798 to 2796. [2023-12-25 08:39:34,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2796 states, 2332 states have (on average 1.1878216123499143) internal successors, (2770), 2365 states have internal predecessors, (2770), 394 states have call successors, (394), 69 states have call predecessors, (394), 69 states have return successors, (393), 379 states have call predecessors, (393), 393 states have call successors, (393) [2023-12-25 08:39:34,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2796 states to 2796 states and 3557 transitions. [2023-12-25 08:39:34,738 INFO L78 Accepts]: Start accepts. Automaton has 2796 states and 3557 transitions. Word has length 206 [2023-12-25 08:39:34,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 08:39:34,739 INFO L495 AbstractCegarLoop]: Abstraction has 2796 states and 3557 transitions. [2023-12-25 08:39:34,739 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 45.75) internal successors, (183), 4 states have internal predecessors, (183), 3 states have call successors, (12), 3 states have call predecessors, (12), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-12-25 08:39:34,739 INFO L276 IsEmpty]: Start isEmpty. Operand 2796 states and 3557 transitions. [2023-12-25 08:39:34,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2023-12-25 08:39:34,742 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 08:39:34,742 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 08:39:34,761 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Ended with exit code 0 [2023-12-25 08:39:34,960 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 08:39:34,963 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 08:39:34,964 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 08:39:34,964 INFO L85 PathProgramCache]: Analyzing trace with hash -1273056263, now seen corresponding path program 1 times [2023-12-25 08:39:34,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 08:39:34,965 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2106233609] [2023-12-25 08:39:34,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 08:39:34,965 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 08:39:34,965 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 08:39:34,966 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 08:39:34,970 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2023-12-25 08:39:39,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 08:39:39,266 INFO L262 TraceCheckSpWp]: Trace formula consists of 1555 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-25 08:39:39,271 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 08:39:40,094 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-25 08:39:40,095 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 08:39:40,095 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 08:39:40,095 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2106233609] [2023-12-25 08:39:40,095 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2106233609] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 08:39:40,095 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 08:39:40,095 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-25 08:39:40,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [272758714] [2023-12-25 08:39:40,095 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 08:39:40,096 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-25 08:39:40,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 08:39:40,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-25 08:39:40,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-25 08:39:40,108 INFO L87 Difference]: Start difference. First operand 2796 states and 3557 transitions. Second operand has 4 states, 4 states have (on average 46.0) internal successors, (184), 4 states have internal predecessors, (184), 3 states have call successors, (13), 3 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-12-25 08:39:44,158 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-25 08:39:48,171 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-25 08:39:52,182 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-25 08:39:56,273 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-25 08:40:00,436 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-25 08:40:07,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 08:40:07,790 INFO L93 Difference]: Finished difference Result 5586 states and 7109 transitions. [2023-12-25 08:40:07,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 08:40:07,792 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 46.0) internal successors, (184), 4 states have internal predecessors, (184), 3 states have call successors, (13), 3 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 209 [2023-12-25 08:40:07,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 08:40:07,803 INFO L225 Difference]: With dead ends: 5586 [2023-12-25 08:40:07,803 INFO L226 Difference]: Without dead ends: 2792 [2023-12-25 08:40:07,813 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 208 GetRequests, 206 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-25 08:40:07,813 INFO L413 NwaCegarLoop]: 2818 mSDtfsCounter, 979 mSDsluCounter, 2983 mSDsCounter, 0 mSdLazyCounter, 695 mSolverCounterSat, 5 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 979 SdHoareTripleChecker+Valid, 5801 SdHoareTripleChecker+Invalid, 705 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 695 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.5s IncrementalHoareTripleChecker+Time [2023-12-25 08:40:07,814 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [979 Valid, 5801 Invalid, 705 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 695 Invalid, 5 Unknown, 0 Unchecked, 27.5s Time] [2023-12-25 08:40:07,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2792 states. [2023-12-25 08:40:07,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2792 to 2790. [2023-12-25 08:40:07,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2790 states, 2329 states have (on average 1.1867754401030486) internal successors, (2764), 2362 states have internal predecessors, (2764), 391 states have call successors, (391), 69 states have call predecessors, (391), 69 states have return successors, (390), 376 states have call predecessors, (390), 390 states have call successors, (390) [2023-12-25 08:40:07,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2790 states to 2790 states and 3545 transitions. [2023-12-25 08:40:07,890 INFO L78 Accepts]: Start accepts. Automaton has 2790 states and 3545 transitions. Word has length 209 [2023-12-25 08:40:07,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 08:40:07,890 INFO L495 AbstractCegarLoop]: Abstraction has 2790 states and 3545 transitions. [2023-12-25 08:40:07,891 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 46.0) internal successors, (184), 4 states have internal predecessors, (184), 3 states have call successors, (13), 3 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-12-25 08:40:07,891 INFO L276 IsEmpty]: Start isEmpty. Operand 2790 states and 3545 transitions. [2023-12-25 08:40:07,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2023-12-25 08:40:07,894 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 08:40:07,894 INFO L195 NwaCegarLoop]: trace histogram [4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 08:40:07,915 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2023-12-25 08:40:08,115 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 08:40:08,115 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 08:40:08,116 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 08:40:08,116 INFO L85 PathProgramCache]: Analyzing trace with hash 883114288, now seen corresponding path program 1 times [2023-12-25 08:40:08,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 08:40:08,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [674587543] [2023-12-25 08:40:08,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 08:40:08,117 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 08:40:08,118 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 08:40:08,118 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 08:40:08,153 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2023-12-25 08:40:12,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 08:40:12,070 INFO L262 TraceCheckSpWp]: Trace formula consists of 1558 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-25 08:40:12,075 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 08:40:13,182 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-25 08:40:13,183 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 08:40:13,183 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 08:40:13,183 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [674587543] [2023-12-25 08:40:13,183 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [674587543] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 08:40:13,183 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 08:40:13,183 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-25 08:40:13,183 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1138581345] [2023-12-25 08:40:13,183 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 08:40:13,184 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-25 08:40:13,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 08:40:13,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-25 08:40:13,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-25 08:40:13,185 INFO L87 Difference]: Start difference. First operand 2790 states and 3545 transitions. Second operand has 4 states, 4 states have (on average 46.0) internal successors, (184), 4 states have internal predecessors, (184), 3 states have call successors, (13), 3 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-12-25 08:40:17,262 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-25 08:40:21,269 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-25 08:40:25,280 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-25 08:40:29,375 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-25 08:40:33,444 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-25 08:40:41,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 08:40:41,782 INFO L93 Difference]: Finished difference Result 5580 states and 7094 transitions. [2023-12-25 08:40:41,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 08:40:41,783 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 46.0) internal successors, (184), 4 states have internal predecessors, (184), 3 states have call successors, (13), 3 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 210 [2023-12-25 08:40:41,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 08:40:41,795 INFO L225 Difference]: With dead ends: 5580 [2023-12-25 08:40:41,795 INFO L226 Difference]: Without dead ends: 2792 [2023-12-25 08:40:41,805 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 207 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-25 08:40:41,805 INFO L413 NwaCegarLoop]: 2813 mSDtfsCounter, 951 mSDsluCounter, 4802 mSDsCounter, 0 mSdLazyCounter, 829 mSolverCounterSat, 8 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 955 SdHoareTripleChecker+Valid, 7615 SdHoareTripleChecker+Invalid, 842 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 829 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.4s IncrementalHoareTripleChecker+Time [2023-12-25 08:40:41,805 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [955 Valid, 7615 Invalid, 842 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 829 Invalid, 5 Unknown, 0 Unchecked, 28.4s Time] [2023-12-25 08:40:41,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2792 states. [2023-12-25 08:40:41,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2792 to 2790. [2023-12-25 08:40:41,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2790 states, 2329 states have (on average 1.1863460712752254) internal successors, (2763), 2362 states have internal predecessors, (2763), 391 states have call successors, (391), 69 states have call predecessors, (391), 69 states have return successors, (390), 376 states have call predecessors, (390), 390 states have call successors, (390) [2023-12-25 08:40:41,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2790 states to 2790 states and 3544 transitions. [2023-12-25 08:40:41,938 INFO L78 Accepts]: Start accepts. Automaton has 2790 states and 3544 transitions. Word has length 210 [2023-12-25 08:40:41,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 08:40:41,938 INFO L495 AbstractCegarLoop]: Abstraction has 2790 states and 3544 transitions. [2023-12-25 08:40:41,938 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 46.0) internal successors, (184), 4 states have internal predecessors, (184), 3 states have call successors, (13), 3 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-12-25 08:40:41,938 INFO L276 IsEmpty]: Start isEmpty. Operand 2790 states and 3544 transitions. [2023-12-25 08:40:41,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2023-12-25 08:40:41,941 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 08:40:41,941 INFO L195 NwaCegarLoop]: trace histogram [4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 08:40:41,976 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2023-12-25 08:40:42,160 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 08:40:42,161 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 08:40:42,161 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 08:40:42,162 INFO L85 PathProgramCache]: Analyzing trace with hash -949712977, now seen corresponding path program 1 times [2023-12-25 08:40:42,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 08:40:42,163 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [377990356] [2023-12-25 08:40:42,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 08:40:42,163 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 08:40:42,163 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 08:40:42,164 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 08:40:42,168 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2023-12-25 08:40:46,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 08:40:46,355 INFO L262 TraceCheckSpWp]: Trace formula consists of 1562 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-25 08:40:46,359 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 08:40:47,286 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-25 08:40:47,286 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 08:40:47,286 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 08:40:47,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [377990356] [2023-12-25 08:40:47,287 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [377990356] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 08:40:47,287 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 08:40:47,287 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-25 08:40:47,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [197117611] [2023-12-25 08:40:47,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 08:40:47,287 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-25 08:40:47,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 08:40:47,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-25 08:40:47,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-25 08:40:47,288 INFO L87 Difference]: Start difference. First operand 2790 states and 3544 transitions. Second operand has 4 states, 4 states have (on average 46.25) internal successors, (185), 4 states have internal predecessors, (185), 3 states have call successors, (14), 3 states have call predecessors, (14), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-12-25 08:40:51,340 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-25 08:40:55,348 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-25 08:40:59,359 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-25 08:41:03,483 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-25 08:41:07,513 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-25 08:41:16,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 08:41:16,043 INFO L93 Difference]: Finished difference Result 5574 states and 7083 transitions. [2023-12-25 08:41:16,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 08:41:16,044 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 46.25) internal successors, (185), 4 states have internal predecessors, (185), 3 states have call successors, (14), 3 states have call predecessors, (14), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 213 [2023-12-25 08:41:16,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 08:41:16,055 INFO L225 Difference]: With dead ends: 5574 [2023-12-25 08:41:16,055 INFO L226 Difference]: Without dead ends: 2786 [2023-12-25 08:41:16,065 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 212 GetRequests, 210 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-25 08:41:16,065 INFO L413 NwaCegarLoop]: 2818 mSDtfsCounter, 951 mSDsluCounter, 4804 mSDsCounter, 0 mSdLazyCounter, 822 mSolverCounterSat, 5 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 951 SdHoareTripleChecker+Valid, 7622 SdHoareTripleChecker+Invalid, 832 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 822 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.6s IncrementalHoareTripleChecker+Time [2023-12-25 08:41:16,066 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [951 Valid, 7622 Invalid, 832 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 822 Invalid, 5 Unknown, 0 Unchecked, 28.6s Time] [2023-12-25 08:41:16,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2786 states. [2023-12-25 08:41:16,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2786 to 2784. [2023-12-25 08:41:16,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2784 states, 2326 states have (on average 1.1852966466036114) internal successors, (2757), 2359 states have internal predecessors, (2757), 388 states have call successors, (388), 69 states have call predecessors, (388), 69 states have return successors, (387), 373 states have call predecessors, (387), 387 states have call successors, (387) [2023-12-25 08:41:16,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2784 states to 2784 states and 3532 transitions. [2023-12-25 08:41:16,127 INFO L78 Accepts]: Start accepts. Automaton has 2784 states and 3532 transitions. Word has length 213 [2023-12-25 08:41:16,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 08:41:16,128 INFO L495 AbstractCegarLoop]: Abstraction has 2784 states and 3532 transitions. [2023-12-25 08:41:16,128 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 46.25) internal successors, (185), 4 states have internal predecessors, (185), 3 states have call successors, (14), 3 states have call predecessors, (14), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-12-25 08:41:16,128 INFO L276 IsEmpty]: Start isEmpty. Operand 2784 states and 3532 transitions. [2023-12-25 08:41:16,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2023-12-25 08:41:16,131 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 08:41:16,131 INFO L195 NwaCegarLoop]: trace histogram [5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 08:41:16,154 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2023-12-25 08:41:16,353 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 08:41:16,353 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 08:41:16,354 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 08:41:16,354 INFO L85 PathProgramCache]: Analyzing trace with hash -564789952, now seen corresponding path program 1 times [2023-12-25 08:41:16,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 08:41:16,355 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [212164930] [2023-12-25 08:41:16,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 08:41:16,355 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 08:41:16,355 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 08:41:16,360 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 08:41:16,361 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2023-12-25 08:41:20,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 08:41:20,796 INFO L262 TraceCheckSpWp]: Trace formula consists of 1565 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-25 08:41:20,800 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 08:41:22,160 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-25 08:41:22,160 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 08:41:22,161 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 08:41:22,161 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [212164930] [2023-12-25 08:41:22,161 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [212164930] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 08:41:22,161 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 08:41:22,161 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-25 08:41:22,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [781847421] [2023-12-25 08:41:22,161 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 08:41:22,161 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-25 08:41:22,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 08:41:22,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-25 08:41:22,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-25 08:41:22,162 INFO L87 Difference]: Start difference. First operand 2784 states and 3532 transitions. Second operand has 4 states, 4 states have (on average 46.25) internal successors, (185), 4 states have internal predecessors, (185), 3 states have call successors, (14), 3 states have call predecessors, (14), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-12-25 08:41:26,211 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-25 08:41:30,219 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-25 08:41:34,233 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-25 08:41:38,319 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-25 08:41:42,374 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-25 08:41:49,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 08:41:49,579 INFO L93 Difference]: Finished difference Result 5568 states and 7067 transitions. [2023-12-25 08:41:49,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 08:41:49,580 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 46.25) internal successors, (185), 4 states have internal predecessors, (185), 3 states have call successors, (14), 3 states have call predecessors, (14), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 214 [2023-12-25 08:41:49,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 08:41:49,602 INFO L225 Difference]: With dead ends: 5568 [2023-12-25 08:41:49,602 INFO L226 Difference]: Without dead ends: 2786 [2023-12-25 08:41:49,609 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 213 GetRequests, 211 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-25 08:41:49,611 INFO L413 NwaCegarLoop]: 2812 mSDtfsCounter, 934 mSDsluCounter, 2968 mSDsCounter, 0 mSdLazyCounter, 691 mSolverCounterSat, 8 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 938 SdHoareTripleChecker+Valid, 5780 SdHoareTripleChecker+Invalid, 704 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 691 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.2s IncrementalHoareTripleChecker+Time [2023-12-25 08:41:49,611 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [938 Valid, 5780 Invalid, 704 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 691 Invalid, 5 Unknown, 0 Unchecked, 27.2s Time] [2023-12-25 08:41:49,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2786 states. [2023-12-25 08:41:49,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2786 to 2784. [2023-12-25 08:41:49,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2784 states, 2326 states have (on average 1.184866723989682) internal successors, (2756), 2359 states have internal predecessors, (2756), 388 states have call successors, (388), 69 states have call predecessors, (388), 69 states have return successors, (387), 373 states have call predecessors, (387), 387 states have call successors, (387) [2023-12-25 08:41:49,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2784 states to 2784 states and 3531 transitions. [2023-12-25 08:41:49,674 INFO L78 Accepts]: Start accepts. Automaton has 2784 states and 3531 transitions. Word has length 214 [2023-12-25 08:41:49,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 08:41:49,674 INFO L495 AbstractCegarLoop]: Abstraction has 2784 states and 3531 transitions. [2023-12-25 08:41:49,674 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 46.25) internal successors, (185), 4 states have internal predecessors, (185), 3 states have call successors, (14), 3 states have call predecessors, (14), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-12-25 08:41:49,675 INFO L276 IsEmpty]: Start isEmpty. Operand 2784 states and 3531 transitions. [2023-12-25 08:41:49,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2023-12-25 08:41:49,679 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 08:41:49,680 INFO L195 NwaCegarLoop]: trace histogram [5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 08:41:49,702 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2023-12-25 08:41:49,899 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 08:41:49,899 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 08:41:49,900 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 08:41:49,900 INFO L85 PathProgramCache]: Analyzing trace with hash -793497689, now seen corresponding path program 1 times [2023-12-25 08:41:49,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 08:41:49,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [267429362] [2023-12-25 08:41:49,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 08:41:49,901 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 08:41:49,901 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 08:41:49,903 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 08:41:49,904 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2023-12-25 08:41:54,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 08:41:54,244 INFO L262 TraceCheckSpWp]: Trace formula consists of 1569 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-25 08:41:54,247 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 08:41:55,560 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-25 08:41:55,560 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 08:41:55,561 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 08:41:55,561 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [267429362] [2023-12-25 08:41:55,561 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [267429362] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 08:41:55,561 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 08:41:55,561 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-25 08:41:55,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1898414641] [2023-12-25 08:41:55,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 08:41:55,561 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-25 08:41:55,561 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 08:41:55,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-25 08:41:55,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-25 08:41:55,562 INFO L87 Difference]: Start difference. First operand 2784 states and 3531 transitions. Second operand has 4 states, 4 states have (on average 46.5) internal successors, (186), 4 states have internal predecessors, (186), 3 states have call successors, (15), 3 states have call predecessors, (15), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-25 08:41:59,613 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-25 08:42:03,636 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-25 08:42:07,655 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-25 08:42:11,750 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-25 08:42:15,856 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-25 08:42:22,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 08:42:22,988 INFO L93 Difference]: Finished difference Result 5562 states and 7056 transitions. [2023-12-25 08:42:22,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 08:42:22,989 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 46.5) internal successors, (186), 4 states have internal predecessors, (186), 3 states have call successors, (15), 3 states have call predecessors, (15), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 217 [2023-12-25 08:42:22,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 08:42:23,001 INFO L225 Difference]: With dead ends: 5562 [2023-12-25 08:42:23,001 INFO L226 Difference]: Without dead ends: 2780 [2023-12-25 08:42:23,010 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 216 GetRequests, 214 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-25 08:42:23,011 INFO L413 NwaCegarLoop]: 2805 mSDtfsCounter, 924 mSDsluCounter, 2969 mSDsCounter, 0 mSdLazyCounter, 683 mSolverCounterSat, 5 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 924 SdHoareTripleChecker+Valid, 5774 SdHoareTripleChecker+Invalid, 693 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 683 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.3s IncrementalHoareTripleChecker+Time [2023-12-25 08:42:23,011 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [924 Valid, 5774 Invalid, 693 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 683 Invalid, 5 Unknown, 0 Unchecked, 27.3s Time] [2023-12-25 08:42:23,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2780 states. [2023-12-25 08:42:23,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2780 to 2778. [2023-12-25 08:42:23,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2778 states, 2323 states have (on average 1.1838140335772707) internal successors, (2750), 2356 states have internal predecessors, (2750), 385 states have call successors, (385), 69 states have call predecessors, (385), 69 states have return successors, (384), 370 states have call predecessors, (384), 384 states have call successors, (384) [2023-12-25 08:42:23,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2778 states to 2778 states and 3519 transitions. [2023-12-25 08:42:23,078 INFO L78 Accepts]: Start accepts. Automaton has 2778 states and 3519 transitions. Word has length 217 [2023-12-25 08:42:23,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 08:42:23,078 INFO L495 AbstractCegarLoop]: Abstraction has 2778 states and 3519 transitions. [2023-12-25 08:42:23,078 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 46.5) internal successors, (186), 4 states have internal predecessors, (186), 3 states have call successors, (15), 3 states have call predecessors, (15), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-25 08:42:23,078 INFO L276 IsEmpty]: Start isEmpty. Operand 2778 states and 3519 transitions. [2023-12-25 08:42:23,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2023-12-25 08:42:23,081 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 08:42:23,081 INFO L195 NwaCegarLoop]: trace histogram [6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 08:42:23,105 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Ended with exit code 0 [2023-12-25 08:42:23,296 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 08:42:23,297 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 08:42:23,297 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 08:42:23,297 INFO L85 PathProgramCache]: Analyzing trace with hash 1889969845, now seen corresponding path program 1 times [2023-12-25 08:42:23,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 08:42:23,298 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [867976171] [2023-12-25 08:42:23,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 08:42:23,299 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 08:42:23,299 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 08:42:23,300 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 08:42:23,302 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2023-12-25 08:42:27,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 08:42:28,010 INFO L262 TraceCheckSpWp]: Trace formula consists of 1572 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-25 08:42:28,014 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 08:42:29,526 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-12-25 08:42:29,526 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 08:42:29,526 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 08:42:29,526 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [867976171] [2023-12-25 08:42:29,526 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [867976171] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 08:42:29,526 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 08:42:29,526 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-25 08:42:29,526 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1186329808] [2023-12-25 08:42:29,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 08:42:29,527 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-25 08:42:29,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 08:42:29,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-25 08:42:29,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-25 08:42:29,528 INFO L87 Difference]: Start difference. First operand 2778 states and 3519 transitions. Second operand has 4 states, 4 states have (on average 46.5) internal successors, (186), 4 states have internal predecessors, (186), 3 states have call successors, (15), 3 states have call predecessors, (15), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-25 08:42:33,574 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-25 08:42:37,581 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-25 08:42:41,597 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-25 08:42:45,700 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-25 08:42:49,734 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-25 08:42:58,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 08:42:58,014 INFO L93 Difference]: Finished difference Result 5556 states and 7041 transitions. [2023-12-25 08:42:58,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 08:42:58,015 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 46.5) internal successors, (186), 4 states have internal predecessors, (186), 3 states have call successors, (15), 3 states have call predecessors, (15), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 218 [2023-12-25 08:42:58,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 08:42:58,026 INFO L225 Difference]: With dead ends: 5556 [2023-12-25 08:42:58,026 INFO L226 Difference]: Without dead ends: 2780 [2023-12-25 08:42:58,036 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 215 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-25 08:42:58,036 INFO L413 NwaCegarLoop]: 2799 mSDtfsCounter, 901 mSDsluCounter, 4793 mSDsCounter, 0 mSdLazyCounter, 811 mSolverCounterSat, 8 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 905 SdHoareTripleChecker+Valid, 7592 SdHoareTripleChecker+Invalid, 824 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 811 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.3s IncrementalHoareTripleChecker+Time [2023-12-25 08:42:58,036 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [905 Valid, 7592 Invalid, 824 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 811 Invalid, 5 Unknown, 0 Unchecked, 28.3s Time] [2023-12-25 08:42:58,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2780 states. [2023-12-25 08:42:58,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2780 to 2778. [2023-12-25 08:42:58,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2778 states, 2323 states have (on average 1.183383555746879) internal successors, (2749), 2356 states have internal predecessors, (2749), 385 states have call successors, (385), 69 states have call predecessors, (385), 69 states have return successors, (384), 370 states have call predecessors, (384), 384 states have call successors, (384) [2023-12-25 08:42:58,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2778 states to 2778 states and 3518 transitions. [2023-12-25 08:42:58,114 INFO L78 Accepts]: Start accepts. Automaton has 2778 states and 3518 transitions. Word has length 218 [2023-12-25 08:42:58,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 08:42:58,114 INFO L495 AbstractCegarLoop]: Abstraction has 2778 states and 3518 transitions. [2023-12-25 08:42:58,115 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 46.5) internal successors, (186), 4 states have internal predecessors, (186), 3 states have call successors, (15), 3 states have call predecessors, (15), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-25 08:42:58,115 INFO L276 IsEmpty]: Start isEmpty. Operand 2778 states and 3518 transitions. [2023-12-25 08:42:58,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2023-12-25 08:42:58,118 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 08:42:58,118 INFO L195 NwaCegarLoop]: trace histogram [6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 08:42:58,164 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Ended with exit code 0 [2023-12-25 08:42:58,339 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 08:42:58,339 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 08:42:58,340 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 08:42:58,340 INFO L85 PathProgramCache]: Analyzing trace with hash -581207372, now seen corresponding path program 1 times [2023-12-25 08:42:58,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 08:42:58,341 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1702323646] [2023-12-25 08:42:58,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 08:42:58,341 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 08:42:58,341 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 08:42:58,365 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 08:42:58,400 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2023-12-25 08:43:02,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 08:43:02,909 INFO L262 TraceCheckSpWp]: Trace formula consists of 1576 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-25 08:43:02,913 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 08:43:04,400 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-12-25 08:43:04,401 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 08:43:04,401 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 08:43:04,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1702323646] [2023-12-25 08:43:04,401 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1702323646] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 08:43:04,401 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 08:43:04,401 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-25 08:43:04,401 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [386135702] [2023-12-25 08:43:04,401 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 08:43:04,402 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-25 08:43:04,402 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 08:43:04,402 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-25 08:43:04,402 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-25 08:43:04,402 INFO L87 Difference]: Start difference. First operand 2778 states and 3518 transitions. Second operand has 4 states, 4 states have (on average 46.75) internal successors, (187), 4 states have internal predecessors, (187), 3 states have call successors, (16), 3 states have call predecessors, (16), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-12-25 08:43:08,456 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-25 08:43:12,466 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-25 08:43:16,481 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-25 08:43:20,578 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-25 08:43:24,677 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-25 08:43:32,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 08:43:32,062 INFO L93 Difference]: Finished difference Result 5550 states and 7030 transitions. [2023-12-25 08:43:32,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 08:43:32,063 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 46.75) internal successors, (187), 4 states have internal predecessors, (187), 3 states have call successors, (16), 3 states have call predecessors, (16), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 221 [2023-12-25 08:43:32,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 08:43:32,073 INFO L225 Difference]: With dead ends: 5550 [2023-12-25 08:43:32,074 INFO L226 Difference]: Without dead ends: 2774 [2023-12-25 08:43:32,083 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 220 GetRequests, 218 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-25 08:43:32,084 INFO L413 NwaCegarLoop]: 2792 mSDtfsCounter, 903 mSDsluCounter, 2962 mSDsCounter, 0 mSdLazyCounter, 677 mSolverCounterSat, 5 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 903 SdHoareTripleChecker+Valid, 5754 SdHoareTripleChecker+Invalid, 687 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 677 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.5s IncrementalHoareTripleChecker+Time [2023-12-25 08:43:32,084 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [903 Valid, 5754 Invalid, 687 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 677 Invalid, 5 Unknown, 0 Unchecked, 27.5s Time] [2023-12-25 08:43:32,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2774 states. [2023-12-25 08:43:32,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2774 to 2772. [2023-12-25 08:43:32,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2772 states, 2320 states have (on average 1.1823275862068965) internal successors, (2743), 2353 states have internal predecessors, (2743), 382 states have call successors, (382), 69 states have call predecessors, (382), 69 states have return successors, (381), 367 states have call predecessors, (381), 381 states have call successors, (381) [2023-12-25 08:43:32,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2772 states to 2772 states and 3506 transitions. [2023-12-25 08:43:32,145 INFO L78 Accepts]: Start accepts. Automaton has 2772 states and 3506 transitions. Word has length 221 [2023-12-25 08:43:32,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 08:43:32,146 INFO L495 AbstractCegarLoop]: Abstraction has 2772 states and 3506 transitions. [2023-12-25 08:43:32,146 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 46.75) internal successors, (187), 4 states have internal predecessors, (187), 3 states have call successors, (16), 3 states have call predecessors, (16), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-12-25 08:43:32,146 INFO L276 IsEmpty]: Start isEmpty. Operand 2772 states and 3506 transitions. [2023-12-25 08:43:32,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2023-12-25 08:43:32,149 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 08:43:32,149 INFO L195 NwaCegarLoop]: trace histogram [7, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 08:43:32,170 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2023-12-25 08:43:32,364 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 08:43:32,365 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 08:43:32,365 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 08:43:32,365 INFO L85 PathProgramCache]: Analyzing trace with hash 1028995504, now seen corresponding path program 1 times [2023-12-25 08:43:32,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 08:43:32,367 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [99899038] [2023-12-25 08:43:32,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 08:43:32,367 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 08:43:32,367 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 08:43:32,368 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 08:43:32,369 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2023-12-25 08:43:36,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 08:43:37,001 INFO L262 TraceCheckSpWp]: Trace formula consists of 1579 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-25 08:43:37,005 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 08:43:39,247 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2023-12-25 08:43:39,247 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 08:43:39,247 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 08:43:39,247 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [99899038] [2023-12-25 08:43:39,247 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [99899038] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 08:43:39,247 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 08:43:39,247 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 08:43:39,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2058704302] [2023-12-25 08:43:39,247 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 08:43:39,248 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 08:43:39,248 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 08:43:39,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 08:43:39,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-25 08:43:39,249 INFO L87 Difference]: Start difference. First operand 2772 states and 3506 transitions. Second operand has 5 states, 5 states have (on average 35.8) internal successors, (179), 4 states have internal predecessors, (179), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 08:43:43,300 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-25 08:43:47,311 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-25 08:43:51,319 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-25 08:43:55,411 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-25 08:43:59,503 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-25 08:44:03,559 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-25 08:44:10,997 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-25 08:44:15,028 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-25 08:44:19,145 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-25 08:44:19,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 08:44:19,155 INFO L93 Difference]: Finished difference Result 4736 states and 5983 transitions. [2023-12-25 08:44:19,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-25 08:44:19,228 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 35.8) internal successors, (179), 4 states have internal predecessors, (179), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 222 [2023-12-25 08:44:19,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 08:44:19,247 INFO L225 Difference]: With dead ends: 4736 [2023-12-25 08:44:19,247 INFO L226 Difference]: Without dead ends: 4734 [2023-12-25 08:44:19,251 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 223 GetRequests, 218 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-12-25 08:44:19,252 INFO L413 NwaCegarLoop]: 4099 mSDtfsCounter, 2846 mSDsluCounter, 10609 mSDsCounter, 0 mSdLazyCounter, 299 mSolverCounterSat, 3 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 39.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2848 SdHoareTripleChecker+Valid, 14708 SdHoareTripleChecker+Invalid, 311 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 299 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 39.6s IncrementalHoareTripleChecker+Time [2023-12-25 08:44:19,252 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2848 Valid, 14708 Invalid, 311 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 299 Invalid, 9 Unknown, 0 Unchecked, 39.6s Time] [2023-12-25 08:44:19,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4734 states. [2023-12-25 08:44:19,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4734 to 4321. [2023-12-25 08:44:19,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4321 states, 3568 states have (on average 1.1928251121076232) internal successors, (4256), 3620 states have internal predecessors, (4256), 642 states have call successors, (642), 109 states have call predecessors, (642), 110 states have return successors, (643), 619 states have call predecessors, (643), 641 states have call successors, (643) [2023-12-25 08:44:19,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4321 states to 4321 states and 5541 transitions. [2023-12-25 08:44:19,369 INFO L78 Accepts]: Start accepts. Automaton has 4321 states and 5541 transitions. Word has length 222 [2023-12-25 08:44:19,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 08:44:19,370 INFO L495 AbstractCegarLoop]: Abstraction has 4321 states and 5541 transitions. [2023-12-25 08:44:19,370 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 35.8) internal successors, (179), 4 states have internal predecessors, (179), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 08:44:19,370 INFO L276 IsEmpty]: Start isEmpty. Operand 4321 states and 5541 transitions. [2023-12-25 08:44:19,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2023-12-25 08:44:19,376 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 08:44:19,376 INFO L195 NwaCegarLoop]: trace histogram [7, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 08:44:19,396 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2023-12-25 08:44:19,594 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 08:44:19,594 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 08:44:19,594 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 08:44:19,595 INFO L85 PathProgramCache]: Analyzing trace with hash -1774954610, now seen corresponding path program 1 times [2023-12-25 08:44:19,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 08:44:19,596 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [223903665] [2023-12-25 08:44:19,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 08:44:19,596 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 08:44:19,596 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 08:44:19,598 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 08:44:19,612 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2023-12-25 08:44:24,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 08:44:24,282 INFO L262 TraceCheckSpWp]: Trace formula consists of 1761 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-25 08:44:24,286 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 08:44:24,558 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2023-12-25 08:44:24,558 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 08:44:24,558 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 08:44:24,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [223903665] [2023-12-25 08:44:24,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [223903665] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 08:44:24,558 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 08:44:24,558 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-25 08:44:24,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1262666626] [2023-12-25 08:44:24,559 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 08:44:24,559 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-25 08:44:24,559 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 08:44:24,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-25 08:44:24,560 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-25 08:44:24,560 INFO L87 Difference]: Start difference. First operand 4321 states and 5541 transitions. Second operand has 4 states, 4 states have (on average 58.75) internal successors, (235), 4 states have internal predecessors, (235), 3 states have call successors, (23), 3 states have call predecessors, (23), 2 states have return successors, (21), 2 states have call predecessors, (21), 3 states have call successors, (21) [2023-12-25 08:44:28,612 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-25 08:44:32,623 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-25 08:44:36,631 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-25 08:44:40,723 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-25 08:44:44,762 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-25 08:44:48,803 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-25 08:44:59,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 08:44:59,258 INFO L93 Difference]: Finished difference Result 9312 states and 12057 transitions. [2023-12-25 08:44:59,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 08:44:59,259 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 58.75) internal successors, (235), 4 states have internal predecessors, (235), 3 states have call successors, (23), 3 states have call predecessors, (23), 2 states have return successors, (21), 2 states have call predecessors, (21), 3 states have call successors, (21) Word has length 296 [2023-12-25 08:44:59,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 08:44:59,322 INFO L225 Difference]: With dead ends: 9312 [2023-12-25 08:44:59,322 INFO L226 Difference]: Without dead ends: 4993 [2023-12-25 08:44:59,355 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 295 GetRequests, 293 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-25 08:44:59,355 INFO L413 NwaCegarLoop]: 3240 mSDtfsCounter, 1176 mSDsluCounter, 5040 mSDsCounter, 0 mSdLazyCounter, 1008 mSolverCounterSat, 6 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1179 SdHoareTripleChecker+Valid, 8280 SdHoareTripleChecker+Invalid, 1020 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1008 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 34.5s IncrementalHoareTripleChecker+Time [2023-12-25 08:44:59,356 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1179 Valid, 8280 Invalid, 1020 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1008 Invalid, 6 Unknown, 0 Unchecked, 34.5s Time] [2023-12-25 08:44:59,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4993 states. [2023-12-25 08:44:59,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4993 to 3510. [2023-12-25 08:44:59,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3510 states, 2847 states have (on average 1.2223393045310853) internal successors, (3480), 2887 states have internal predecessors, (3480), 551 states have call successors, (551), 111 states have call predecessors, (551), 111 states have return successors, (550), 533 states have call predecessors, (550), 550 states have call successors, (550) [2023-12-25 08:44:59,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3510 states to 3510 states and 4581 transitions. [2023-12-25 08:44:59,460 INFO L78 Accepts]: Start accepts. Automaton has 3510 states and 4581 transitions. Word has length 296 [2023-12-25 08:44:59,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 08:44:59,461 INFO L495 AbstractCegarLoop]: Abstraction has 3510 states and 4581 transitions. [2023-12-25 08:44:59,461 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 58.75) internal successors, (235), 4 states have internal predecessors, (235), 3 states have call successors, (23), 3 states have call predecessors, (23), 2 states have return successors, (21), 2 states have call predecessors, (21), 3 states have call successors, (21) [2023-12-25 08:44:59,461 INFO L276 IsEmpty]: Start isEmpty. Operand 3510 states and 4581 transitions. [2023-12-25 08:44:59,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 300 [2023-12-25 08:44:59,467 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 08:44:59,467 INFO L195 NwaCegarLoop]: trace histogram [7, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 08:44:59,489 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Forceful destruction successful, exit code 0 [2023-12-25 08:44:59,680 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 08:44:59,681 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 08:44:59,681 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 08:44:59,681 INFO L85 PathProgramCache]: Analyzing trace with hash 767850125, now seen corresponding path program 1 times [2023-12-25 08:44:59,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 08:44:59,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1789543316] [2023-12-25 08:44:59,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 08:44:59,682 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 08:44:59,683 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 08:44:59,692 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 08:44:59,695 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2023-12-25 08:45:03,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 08:45:03,760 INFO L262 TraceCheckSpWp]: Trace formula consists of 1765 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-25 08:45:03,764 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 08:45:03,996 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2023-12-25 08:45:03,996 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 08:45:03,996 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 08:45:03,996 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1789543316] [2023-12-25 08:45:03,996 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1789543316] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 08:45:03,996 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 08:45:03,997 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-25 08:45:03,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2053203748] [2023-12-25 08:45:03,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 08:45:03,997 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-25 08:45:03,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 08:45:03,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-25 08:45:03,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-25 08:45:03,998 INFO L87 Difference]: Start difference. First operand 3510 states and 4581 transitions. Second operand has 4 states, 4 states have (on average 58.25) internal successors, (233), 4 states have internal predecessors, (233), 3 states have call successors, (24), 3 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 3 states have call successors, (22) [2023-12-25 08:45:08,050 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-25 08:45:12,023 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.97s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-25 08:45:16,117 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-25 08:45:20,160 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-25 08:45:24,258 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-25 08:45:32,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 08:45:32,376 INFO L93 Difference]: Finished difference Result 7016 states and 9160 transitions. [2023-12-25 08:45:32,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 08:45:32,378 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 58.25) internal successors, (233), 4 states have internal predecessors, (233), 3 states have call successors, (24), 3 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 3 states have call successors, (22) Word has length 299 [2023-12-25 08:45:32,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 08:45:32,387 INFO L225 Difference]: With dead ends: 7016 [2023-12-25 08:45:32,387 INFO L226 Difference]: Without dead ends: 3508 [2023-12-25 08:45:32,395 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 298 GetRequests, 296 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-25 08:45:32,395 INFO L413 NwaCegarLoop]: 3244 mSDtfsCounter, 1178 mSDsluCounter, 2980 mSDsCounter, 0 mSdLazyCounter, 826 mSolverCounterSat, 3 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1178 SdHoareTripleChecker+Valid, 6224 SdHoareTripleChecker+Invalid, 833 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 826 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.2s IncrementalHoareTripleChecker+Time [2023-12-25 08:45:32,396 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1178 Valid, 6224 Invalid, 833 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 826 Invalid, 4 Unknown, 0 Unchecked, 28.2s Time] [2023-12-25 08:45:32,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3508 states. [2023-12-25 08:45:32,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3508 to 3506. [2023-12-25 08:45:32,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3506 states, 2845 states have (on average 1.221792618629174) internal successors, (3476), 2885 states have internal predecessors, (3476), 549 states have call successors, (549), 111 states have call predecessors, (549), 111 states have return successors, (548), 531 states have call predecessors, (548), 548 states have call successors, (548) [2023-12-25 08:45:32,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3506 states to 3506 states and 4573 transitions. [2023-12-25 08:45:32,469 INFO L78 Accepts]: Start accepts. Automaton has 3506 states and 4573 transitions. Word has length 299 [2023-12-25 08:45:32,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 08:45:32,470 INFO L495 AbstractCegarLoop]: Abstraction has 3506 states and 4573 transitions. [2023-12-25 08:45:32,470 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 58.25) internal successors, (233), 4 states have internal predecessors, (233), 3 states have call successors, (24), 3 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 3 states have call successors, (22) [2023-12-25 08:45:32,470 INFO L276 IsEmpty]: Start isEmpty. Operand 3506 states and 4573 transitions. [2023-12-25 08:45:32,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2023-12-25 08:45:32,477 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 08:45:32,477 INFO L195 NwaCegarLoop]: trace histogram [7, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 08:45:32,499 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Forceful destruction successful, exit code 0 [2023-12-25 08:45:32,691 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 08:45:32,691 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 08:45:32,692 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 08:45:32,692 INFO L85 PathProgramCache]: Analyzing trace with hash -185919641, now seen corresponding path program 1 times [2023-12-25 08:45:32,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 08:45:32,693 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [260975847] [2023-12-25 08:45:32,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 08:45:32,694 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 08:45:32,694 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 08:45:32,695 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 08:45:32,722 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2023-12-25 08:45:37,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 08:45:37,275 INFO L262 TraceCheckSpWp]: Trace formula consists of 1769 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-25 08:45:37,280 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 08:45:37,862 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2023-12-25 08:45:37,863 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 08:45:37,863 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 08:45:37,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [260975847] [2023-12-25 08:45:37,863 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [260975847] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 08:45:37,863 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 08:45:37,863 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-25 08:45:37,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [948313229] [2023-12-25 08:45:37,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 08:45:37,864 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-25 08:45:37,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 08:45:37,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-25 08:45:37,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-25 08:45:37,865 INFO L87 Difference]: Start difference. First operand 3506 states and 4573 transitions. Second operand has 4 states, 4 states have (on average 59.75) internal successors, (239), 4 states have internal predecessors, (239), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2023-12-25 08:45:41,913 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-25 08:45:45,926 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-25 08:45:49,932 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-25 08:45:54,034 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-25 08:45:58,159 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-25 08:46:02,225 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-25 08:46:10,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 08:46:10,405 INFO L93 Difference]: Finished difference Result 7006 states and 9142 transitions. [2023-12-25 08:46:10,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 08:46:10,406 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 59.75) internal successors, (239), 4 states have internal predecessors, (239), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 301 [2023-12-25 08:46:10,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 08:46:10,419 INFO L225 Difference]: With dead ends: 7006 [2023-12-25 08:46:10,419 INFO L226 Difference]: Without dead ends: 3502 [2023-12-25 08:46:10,430 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 300 GetRequests, 298 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-25 08:46:10,431 INFO L413 NwaCegarLoop]: 3236 mSDtfsCounter, 1156 mSDsluCounter, 2972 mSDsCounter, 0 mSdLazyCounter, 822 mSolverCounterSat, 6 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 31.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1159 SdHoareTripleChecker+Valid, 6208 SdHoareTripleChecker+Invalid, 834 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 822 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32.3s IncrementalHoareTripleChecker+Time [2023-12-25 08:46:10,431 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1159 Valid, 6208 Invalid, 834 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 822 Invalid, 6 Unknown, 0 Unchecked, 32.3s Time] [2023-12-25 08:46:10,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3502 states. [2023-12-25 08:46:10,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3502 to 3500. [2023-12-25 08:46:10,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3500 states, 2841 states have (on average 1.2206969376979937) internal successors, (3468), 2881 states have internal predecessors, (3468), 547 states have call successors, (547), 111 states have call predecessors, (547), 111 states have return successors, (546), 529 states have call predecessors, (546), 546 states have call successors, (546) [2023-12-25 08:46:10,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3500 states to 3500 states and 4561 transitions. [2023-12-25 08:46:10,575 INFO L78 Accepts]: Start accepts. Automaton has 3500 states and 4561 transitions. Word has length 301 [2023-12-25 08:46:10,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 08:46:10,576 INFO L495 AbstractCegarLoop]: Abstraction has 3500 states and 4561 transitions. [2023-12-25 08:46:10,576 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 59.75) internal successors, (239), 4 states have internal predecessors, (239), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2023-12-25 08:46:10,576 INFO L276 IsEmpty]: Start isEmpty. Operand 3500 states and 4561 transitions. [2023-12-25 08:46:10,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2023-12-25 08:46:10,583 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 08:46:10,583 INFO L195 NwaCegarLoop]: trace histogram [7, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 08:46:10,604 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (18)] Ended with exit code 0 [2023-12-25 08:46:10,804 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 08:46:10,805 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 08:46:10,805 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 08:46:10,805 INFO L85 PathProgramCache]: Analyzing trace with hash -677675614, now seen corresponding path program 1 times [2023-12-25 08:46:10,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 08:46:10,806 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [4470247] [2023-12-25 08:46:10,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 08:46:10,807 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 08:46:10,807 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 08:46:10,808 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 08:46:10,809 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2023-12-25 08:46:15,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 08:46:15,753 INFO L262 TraceCheckSpWp]: Trace formula consists of 1773 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-25 08:46:15,758 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 08:46:16,311 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2023-12-25 08:46:16,311 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 08:46:16,312 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 08:46:16,312 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [4470247] [2023-12-25 08:46:16,312 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [4470247] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 08:46:16,312 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 08:46:16,312 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-25 08:46:16,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [614368760] [2023-12-25 08:46:16,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 08:46:16,313 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-25 08:46:16,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 08:46:16,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-25 08:46:16,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-25 08:46:16,313 INFO L87 Difference]: Start difference. First operand 3500 states and 4561 transitions. Second operand has 4 states, 4 states have (on average 59.0) internal successors, (236), 4 states have internal predecessors, (236), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2023-12-25 08:46:20,368 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-25 08:46:24,381 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-25 08:46:28,392 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-25 08:46:32,484 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-25 08:46:36,527 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-25 08:46:40,605 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-25 08:46:48,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 08:46:48,690 INFO L93 Difference]: Finished difference Result 6992 states and 9116 transitions. [2023-12-25 08:46:48,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 08:46:48,691 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 59.0) internal successors, (236), 4 states have internal predecessors, (236), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 304 [2023-12-25 08:46:48,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 08:46:48,704 INFO L225 Difference]: With dead ends: 6992 [2023-12-25 08:46:48,704 INFO L226 Difference]: Without dead ends: 3494 [2023-12-25 08:46:48,715 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 303 GetRequests, 301 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-25 08:46:48,716 INFO L413 NwaCegarLoop]: 3240 mSDtfsCounter, 1149 mSDsluCounter, 2973 mSDsCounter, 0 mSdLazyCounter, 817 mSolverCounterSat, 3 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 31.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1149 SdHoareTripleChecker+Valid, 6213 SdHoareTripleChecker+Invalid, 826 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 817 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32.2s IncrementalHoareTripleChecker+Time [2023-12-25 08:46:48,716 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1149 Valid, 6213 Invalid, 826 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 817 Invalid, 6 Unknown, 0 Unchecked, 32.2s Time] [2023-12-25 08:46:48,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3494 states. [2023-12-25 08:46:48,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3494 to 3492. [2023-12-25 08:46:48,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3492 states, 2837 states have (on average 1.2195981670778993) internal successors, (3460), 2877 states have internal predecessors, (3460), 543 states have call successors, (543), 111 states have call predecessors, (543), 111 states have return successors, (542), 525 states have call predecessors, (542), 542 states have call successors, (542) [2023-12-25 08:46:48,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3492 states to 3492 states and 4545 transitions. [2023-12-25 08:46:48,797 INFO L78 Accepts]: Start accepts. Automaton has 3492 states and 4545 transitions. Word has length 304 [2023-12-25 08:46:48,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 08:46:48,798 INFO L495 AbstractCegarLoop]: Abstraction has 3492 states and 4545 transitions. [2023-12-25 08:46:48,798 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 59.0) internal successors, (236), 4 states have internal predecessors, (236), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2023-12-25 08:46:48,798 INFO L276 IsEmpty]: Start isEmpty. Operand 3492 states and 4545 transitions. [2023-12-25 08:46:48,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2023-12-25 08:46:48,804 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 08:46:48,805 INFO L195 NwaCegarLoop]: trace histogram [7, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 08:46:48,829 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (19)] Forceful destruction successful, exit code 0 [2023-12-25 08:46:49,005 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 08:46:49,006 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 08:46:49,006 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 08:46:49,006 INFO L85 PathProgramCache]: Analyzing trace with hash 1126558946, now seen corresponding path program 1 times [2023-12-25 08:46:49,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 08:46:49,007 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1239639553] [2023-12-25 08:46:49,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 08:46:49,008 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 08:46:49,008 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 08:46:49,017 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 08:46:49,021 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (20)] Waiting until timeout for monitored process [2023-12-25 08:46:53,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 08:46:53,858 INFO L262 TraceCheckSpWp]: Trace formula consists of 1781 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-25 08:46:53,864 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 08:46:54,695 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2023-12-25 08:46:54,695 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 08:46:54,696 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 08:46:54,696 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1239639553] [2023-12-25 08:46:54,696 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1239639553] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 08:46:54,696 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 08:46:54,696 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-25 08:46:54,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1148383475] [2023-12-25 08:46:54,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 08:46:54,697 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-25 08:46:54,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 08:46:54,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-25 08:46:54,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-25 08:46:54,697 INFO L87 Difference]: Start difference. First operand 3492 states and 4545 transitions. Second operand has 4 states, 4 states have (on average 60.5) internal successors, (242), 4 states have internal predecessors, (242), 3 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2023-12-25 08:46:58,757 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-25 08:47:02,766 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-25 08:47:06,777 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-25 08:47:10,856 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-25 08:47:14,961 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-25 08:47:18,985 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-25 08:47:27,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 08:47:27,474 INFO L93 Difference]: Finished difference Result 6981 states and 9089 transitions. [2023-12-25 08:47:27,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 08:47:27,475 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 60.5) internal successors, (242), 4 states have internal predecessors, (242), 3 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) Word has length 308 [2023-12-25 08:47:27,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 08:47:27,486 INFO L225 Difference]: With dead ends: 6981 [2023-12-25 08:47:27,487 INFO L226 Difference]: Without dead ends: 3491 [2023-12-25 08:47:27,496 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 307 GetRequests, 305 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-25 08:47:27,496 INFO L413 NwaCegarLoop]: 3237 mSDtfsCounter, 1131 mSDsluCounter, 2965 mSDsCounter, 0 mSdLazyCounter, 814 mSolverCounterSat, 6 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1134 SdHoareTripleChecker+Valid, 6202 SdHoareTripleChecker+Invalid, 826 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 814 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32.6s IncrementalHoareTripleChecker+Time [2023-12-25 08:47:27,497 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1134 Valid, 6202 Invalid, 826 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 814 Invalid, 6 Unknown, 0 Unchecked, 32.6s Time] [2023-12-25 08:47:27,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3491 states. [2023-12-25 08:47:27,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3491 to 3489. [2023-12-25 08:47:27,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3489 states, 2835 states have (on average 1.2190476190476192) internal successors, (3456), 2875 states have internal predecessors, (3456), 542 states have call successors, (542), 111 states have call predecessors, (542), 111 states have return successors, (541), 524 states have call predecessors, (541), 541 states have call successors, (541) [2023-12-25 08:47:27,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3489 states to 3489 states and 4539 transitions. [2023-12-25 08:47:27,568 INFO L78 Accepts]: Start accepts. Automaton has 3489 states and 4539 transitions. Word has length 308 [2023-12-25 08:47:27,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 08:47:27,569 INFO L495 AbstractCegarLoop]: Abstraction has 3489 states and 4539 transitions. [2023-12-25 08:47:27,569 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 60.5) internal successors, (242), 4 states have internal predecessors, (242), 3 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2023-12-25 08:47:27,569 INFO L276 IsEmpty]: Start isEmpty. Operand 3489 states and 4539 transitions. [2023-12-25 08:47:27,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2023-12-25 08:47:27,574 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 08:47:27,574 INFO L195 NwaCegarLoop]: trace histogram [7, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 08:47:27,597 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (20)] Forceful destruction successful, exit code 0 [2023-12-25 08:47:27,788 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 08:47:27,789 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 08:47:27,789 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 08:47:27,790 INFO L85 PathProgramCache]: Analyzing trace with hash -664825079, now seen corresponding path program 1 times [2023-12-25 08:47:27,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 08:47:27,791 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1543134150] [2023-12-25 08:47:27,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 08:47:27,791 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 08:47:27,791 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 08:47:27,796 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 08:47:27,836 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (21)] Waiting until timeout for monitored process [2023-12-25 08:47:32,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 08:47:33,029 INFO L262 TraceCheckSpWp]: Trace formula consists of 1785 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-25 08:47:33,034 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 08:47:33,824 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2023-12-25 08:47:33,825 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 08:47:33,825 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 08:47:33,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1543134150] [2023-12-25 08:47:33,825 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1543134150] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 08:47:33,825 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 08:47:33,825 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-25 08:47:33,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300093622] [2023-12-25 08:47:33,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 08:47:33,826 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-25 08:47:33,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 08:47:33,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-25 08:47:33,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-25 08:47:33,827 INFO L87 Difference]: Start difference. First operand 3489 states and 4539 transitions. Second operand has 4 states, 4 states have (on average 60.75) internal successors, (243), 4 states have internal predecessors, (243), 3 states have call successors, (26), 3 states have call predecessors, (26), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2023-12-25 08:47:37,884 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-25 08:47:41,890 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-25 08:47:45,898 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-25 08:47:49,984 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-25 08:47:53,990 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-25 08:47:58,021 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-25 08:48:08,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 08:48:08,421 INFO L93 Difference]: Finished difference Result 6974 states and 9076 transitions. [2023-12-25 08:48:08,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 08:48:08,422 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 60.75) internal successors, (243), 4 states have internal predecessors, (243), 3 states have call successors, (26), 3 states have call predecessors, (26), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 311 [2023-12-25 08:48:08,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 08:48:08,433 INFO L225 Difference]: With dead ends: 6974 [2023-12-25 08:48:08,433 INFO L226 Difference]: Without dead ends: 3487 [2023-12-25 08:48:08,443 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 310 GetRequests, 308 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-25 08:48:08,444 INFO L413 NwaCegarLoop]: 3241 mSDtfsCounter, 1123 mSDsluCounter, 5049 mSDsCounter, 0 mSdLazyCounter, 989 mSolverCounterSat, 3 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1123 SdHoareTripleChecker+Valid, 8290 SdHoareTripleChecker+Invalid, 998 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 989 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 34.4s IncrementalHoareTripleChecker+Time [2023-12-25 08:48:08,444 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1123 Valid, 8290 Invalid, 998 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 989 Invalid, 6 Unknown, 0 Unchecked, 34.4s Time] [2023-12-25 08:48:08,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3487 states. [2023-12-25 08:48:08,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3487 to 3485. [2023-12-25 08:48:08,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3485 states, 2833 states have (on average 1.2184962936816095) internal successors, (3452), 2873 states have internal predecessors, (3452), 540 states have call successors, (540), 111 states have call predecessors, (540), 111 states have return successors, (539), 522 states have call predecessors, (539), 539 states have call successors, (539) [2023-12-25 08:48:08,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3485 states to 3485 states and 4531 transitions. [2023-12-25 08:48:08,524 INFO L78 Accepts]: Start accepts. Automaton has 3485 states and 4531 transitions. Word has length 311 [2023-12-25 08:48:08,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 08:48:08,525 INFO L495 AbstractCegarLoop]: Abstraction has 3485 states and 4531 transitions. [2023-12-25 08:48:08,525 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 60.75) internal successors, (243), 4 states have internal predecessors, (243), 3 states have call successors, (26), 3 states have call predecessors, (26), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2023-12-25 08:48:08,525 INFO L276 IsEmpty]: Start isEmpty. Operand 3485 states and 4531 transitions. [2023-12-25 08:48:08,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2023-12-25 08:48:08,530 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 08:48:08,530 INFO L195 NwaCegarLoop]: trace histogram [7, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 08:48:08,554 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (21)] Forceful destruction successful, exit code 0 [2023-12-25 08:48:08,751 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 08:48:08,751 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 08:48:08,752 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 08:48:08,752 INFO L85 PathProgramCache]: Analyzing trace with hash -150078417, now seen corresponding path program 1 times [2023-12-25 08:48:08,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 08:48:08,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [429309535] [2023-12-25 08:48:08,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 08:48:08,753 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 08:48:08,754 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 08:48:08,755 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 08:48:08,789 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (22)] Waiting until timeout for monitored process [2023-12-25 08:48:13,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 08:48:13,800 INFO L262 TraceCheckSpWp]: Trace formula consists of 1789 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-25 08:48:13,804 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 08:48:13,993 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2023-12-25 08:48:13,993 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 08:48:13,994 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 08:48:13,994 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [429309535] [2023-12-25 08:48:13,994 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [429309535] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 08:48:13,994 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 08:48:13,994 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-25 08:48:13,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [458393249] [2023-12-25 08:48:13,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 08:48:13,994 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-25 08:48:13,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 08:48:13,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-25 08:48:13,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 08:48:13,995 INFO L87 Difference]: Start difference. First operand 3485 states and 4531 transitions. Second operand has 3 states, 3 states have (on average 78.66666666666667) internal successors, (236), 3 states have internal predecessors, (236), 3 states have call successors, (26), 3 states have call predecessors, (26), 2 states have return successors, (24), 2 states have call predecessors, (24), 3 states have call successors, (24) [2023-12-25 08:48:18,044 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-25 08:48:22,141 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-25 08:48:23,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 08:48:23,290 INFO L93 Difference]: Finished difference Result 7132 states and 9710 transitions. [2023-12-25 08:48:23,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-25 08:48:23,290 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 78.66666666666667) internal successors, (236), 3 states have internal predecessors, (236), 3 states have call successors, (26), 3 states have call predecessors, (26), 2 states have return successors, (24), 2 states have call predecessors, (24), 3 states have call successors, (24) Word has length 313 [2023-12-25 08:48:23,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 08:48:23,356 INFO L225 Difference]: With dead ends: 7132 [2023-12-25 08:48:23,356 INFO L226 Difference]: Without dead ends: 3649 [2023-12-25 08:48:23,363 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 312 GetRequests, 311 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 08:48:23,364 INFO L413 NwaCegarLoop]: 3003 mSDtfsCounter, 2813 mSDsluCounter, 206 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 20 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2813 SdHoareTripleChecker+Valid, 3209 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.2s IncrementalHoareTripleChecker+Time [2023-12-25 08:48:23,364 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2813 Valid, 3209 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 92 Invalid, 2 Unknown, 0 Unchecked, 9.2s Time] [2023-12-25 08:48:23,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3649 states. [2023-12-25 08:48:23,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3649 to 3632. [2023-12-25 08:48:23,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3632 states, 2938 states have (on average 1.2164737916950306) internal successors, (3574), 2970 states have internal predecessors, (3574), 566 states have call successors, (566), 127 states have call predecessors, (566), 127 states have return successors, (605), 556 states have call predecessors, (605), 565 states have call successors, (605) [2023-12-25 08:48:23,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3632 states to 3632 states and 4745 transitions. [2023-12-25 08:48:23,454 INFO L78 Accepts]: Start accepts. Automaton has 3632 states and 4745 transitions. Word has length 313 [2023-12-25 08:48:23,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 08:48:23,454 INFO L495 AbstractCegarLoop]: Abstraction has 3632 states and 4745 transitions. [2023-12-25 08:48:23,454 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 78.66666666666667) internal successors, (236), 3 states have internal predecessors, (236), 3 states have call successors, (26), 3 states have call predecessors, (26), 2 states have return successors, (24), 2 states have call predecessors, (24), 3 states have call successors, (24) [2023-12-25 08:48:23,454 INFO L276 IsEmpty]: Start isEmpty. Operand 3632 states and 4745 transitions. [2023-12-25 08:48:23,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2023-12-25 08:48:23,460 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 08:48:23,460 INFO L195 NwaCegarLoop]: trace histogram [7, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 08:48:23,498 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (22)] Forceful destruction successful, exit code 0 [2023-12-25 08:48:23,680 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 08:48:23,681 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 08:48:23,681 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 08:48:23,681 INFO L85 PathProgramCache]: Analyzing trace with hash -761966605, now seen corresponding path program 1 times [2023-12-25 08:48:23,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 08:48:23,683 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [826537959] [2023-12-25 08:48:23,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 08:48:23,683 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 08:48:23,683 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 08:48:23,684 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 08:48:23,719 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (23)] Waiting until timeout for monitored process [2023-12-25 08:48:28,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 08:48:28,744 INFO L262 TraceCheckSpWp]: Trace formula consists of 1791 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-25 08:48:28,748 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 08:48:29,920 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2023-12-25 08:48:29,920 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 08:48:29,920 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 08:48:29,920 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [826537959] [2023-12-25 08:48:29,920 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [826537959] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 08:48:29,920 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 08:48:29,920 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-25 08:48:29,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2062001132] [2023-12-25 08:48:29,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 08:48:29,921 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-25 08:48:29,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 08:48:29,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-25 08:48:29,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-25 08:48:29,922 INFO L87 Difference]: Start difference. First operand 3632 states and 4745 transitions. Second operand has 4 states, 4 states have (on average 61.25) internal successors, (245), 4 states have internal predecessors, (245), 3 states have call successors, (26), 3 states have call predecessors, (26), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2023-12-25 08:48:33,977 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-25 08:48:37,986 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-25 08:48:42,006 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-25 08:48:46,096 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-25 08:48:50,145 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-25 08:48:54,251 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-25 08:49:02,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 08:49:02,359 INFO L93 Difference]: Finished difference Result 7258 states and 9483 transitions. [2023-12-25 08:49:02,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 08:49:02,360 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 61.25) internal successors, (245), 4 states have internal predecessors, (245), 3 states have call successors, (26), 3 states have call predecessors, (26), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 315 [2023-12-25 08:49:02,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 08:49:02,410 INFO L225 Difference]: With dead ends: 7258 [2023-12-25 08:49:02,411 INFO L226 Difference]: Without dead ends: 3628 [2023-12-25 08:49:02,424 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 314 GetRequests, 312 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-25 08:49:02,425 INFO L413 NwaCegarLoop]: 3229 mSDtfsCounter, 1100 mSDsluCounter, 2958 mSDsCounter, 0 mSdLazyCounter, 806 mSolverCounterSat, 6 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 31.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1103 SdHoareTripleChecker+Valid, 6187 SdHoareTripleChecker+Invalid, 818 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 806 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32.2s IncrementalHoareTripleChecker+Time [2023-12-25 08:49:02,425 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1103 Valid, 6187 Invalid, 818 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 806 Invalid, 6 Unknown, 0 Unchecked, 32.2s Time] [2023-12-25 08:49:02,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3628 states. [2023-12-25 08:49:02,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3628 to 3626. [2023-12-25 08:49:02,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3626 states, 2934 states have (on average 1.2154055896387184) internal successors, (3566), 2966 states have internal predecessors, (3566), 564 states have call successors, (564), 127 states have call predecessors, (564), 127 states have return successors, (603), 554 states have call predecessors, (603), 563 states have call successors, (603) [2023-12-25 08:49:02,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3626 states to 3626 states and 4733 transitions. [2023-12-25 08:49:02,571 INFO L78 Accepts]: Start accepts. Automaton has 3626 states and 4733 transitions. Word has length 315 [2023-12-25 08:49:02,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 08:49:02,572 INFO L495 AbstractCegarLoop]: Abstraction has 3626 states and 4733 transitions. [2023-12-25 08:49:02,573 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 61.25) internal successors, (245), 4 states have internal predecessors, (245), 3 states have call successors, (26), 3 states have call predecessors, (26), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2023-12-25 08:49:02,573 INFO L276 IsEmpty]: Start isEmpty. Operand 3626 states and 4733 transitions. [2023-12-25 08:49:02,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2023-12-25 08:49:02,578 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 08:49:02,579 INFO L195 NwaCegarLoop]: trace histogram [7, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 08:49:02,601 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (23)] Forceful destruction successful, exit code 0 [2023-12-25 08:49:02,792 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 08:49:02,792 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 08:49:02,793 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 08:49:02,793 INFO L85 PathProgramCache]: Analyzing trace with hash -1819624836, now seen corresponding path program 1 times [2023-12-25 08:49:02,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 08:49:02,794 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [655657532] [2023-12-25 08:49:02,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 08:49:02,794 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 08:49:02,794 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 08:49:02,813 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 08:49:02,856 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (24)] Waiting until timeout for monitored process [2023-12-25 08:49:08,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 08:49:08,067 INFO L262 TraceCheckSpWp]: Trace formula consists of 1794 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-25 08:49:08,081 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 08:49:09,190 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2023-12-25 08:49:09,191 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 08:49:09,191 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 08:49:09,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [655657532] [2023-12-25 08:49:09,191 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [655657532] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 08:49:09,191 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 08:49:09,191 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-25 08:49:09,191 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [626211329] [2023-12-25 08:49:09,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 08:49:09,192 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-25 08:49:09,192 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 08:49:09,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-25 08:49:09,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-25 08:49:09,193 INFO L87 Difference]: Start difference. First operand 3626 states and 4733 transitions. Second operand has 4 states, 4 states have (on average 61.25) internal successors, (245), 4 states have internal predecessors, (245), 3 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2023-12-25 08:49:13,261 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-25 08:49:17,275 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-25 08:49:21,284 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-25 08:49:25,370 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-25 08:49:29,407 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-25 08:49:33,460 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-25 08:49:41,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 08:49:41,609 INFO L93 Difference]: Finished difference Result 7240 states and 9449 transitions. [2023-12-25 08:49:41,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 08:49:41,610 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 61.25) internal successors, (245), 4 states have internal predecessors, (245), 3 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 317 [2023-12-25 08:49:41,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 08:49:41,625 INFO L225 Difference]: With dead ends: 7240 [2023-12-25 08:49:41,625 INFO L226 Difference]: Without dead ends: 3616 [2023-12-25 08:49:41,636 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 316 GetRequests, 314 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-25 08:49:41,637 INFO L413 NwaCegarLoop]: 3225 mSDtfsCounter, 1093 mSDsluCounter, 2959 mSDsCounter, 0 mSdLazyCounter, 801 mSolverCounterSat, 3 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 31.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1093 SdHoareTripleChecker+Valid, 6184 SdHoareTripleChecker+Invalid, 810 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 801 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32.2s IncrementalHoareTripleChecker+Time [2023-12-25 08:49:41,637 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1093 Valid, 6184 Invalid, 810 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 801 Invalid, 6 Unknown, 0 Unchecked, 32.2s Time] [2023-12-25 08:49:41,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3616 states. [2023-12-25 08:49:41,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3616 to 3614. [2023-12-25 08:49:41,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3614 states, 2926 states have (on average 1.2146274777853725) internal successors, (3554), 2962 states have internal predecessors, (3554), 560 states have call successors, (560), 127 states have call predecessors, (560), 127 states have return successors, (595), 546 states have call predecessors, (595), 559 states have call successors, (595) [2023-12-25 08:49:41,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3614 states to 3614 states and 4709 transitions. [2023-12-25 08:49:41,774 INFO L78 Accepts]: Start accepts. Automaton has 3614 states and 4709 transitions. Word has length 317 [2023-12-25 08:49:41,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 08:49:41,775 INFO L495 AbstractCegarLoop]: Abstraction has 3614 states and 4709 transitions. [2023-12-25 08:49:41,775 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 61.25) internal successors, (245), 4 states have internal predecessors, (245), 3 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2023-12-25 08:49:41,775 INFO L276 IsEmpty]: Start isEmpty. Operand 3614 states and 4709 transitions. [2023-12-25 08:49:41,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2023-12-25 08:49:41,783 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 08:49:41,783 INFO L195 NwaCegarLoop]: trace histogram [7, 5, 5, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 08:49:41,809 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (24)] Forceful destruction successful, exit code 0 [2023-12-25 08:49:41,996 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 08:49:41,997 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 08:49:41,997 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 08:49:41,997 INFO L85 PathProgramCache]: Analyzing trace with hash 18828758, now seen corresponding path program 1 times [2023-12-25 08:49:41,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 08:49:41,998 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1571681371] [2023-12-25 08:49:41,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 08:49:41,999 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 08:49:41,999 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 08:49:42,000 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 08:49:42,003 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (25)] Waiting until timeout for monitored process [2023-12-25 08:49:46,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 08:49:46,742 INFO L262 TraceCheckSpWp]: Trace formula consists of 1798 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-25 08:49:46,747 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 08:49:47,949 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2023-12-25 08:49:47,949 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 08:49:47,949 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 08:49:47,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1571681371] [2023-12-25 08:49:47,949 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1571681371] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 08:49:47,949 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 08:49:47,949 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-25 08:49:47,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2094355920] [2023-12-25 08:49:47,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 08:49:47,950 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-25 08:49:47,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 08:49:47,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-25 08:49:47,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-25 08:49:47,951 INFO L87 Difference]: Start difference. First operand 3614 states and 4709 transitions. Second operand has 4 states, 4 states have (on average 61.0) internal successors, (244), 4 states have internal predecessors, (244), 3 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2023-12-25 08:49:52,000 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-25 08:49:55,944 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.94s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-25 08:50:00,056 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-25 08:50:04,116 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-25 08:50:08,125 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] Received shutdown request... [2023-12-25 08:50:14,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 08:50:14,127 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 318 GetRequests, 316 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-25 08:50:14,127 INFO L413 NwaCegarLoop]: 1503 mSDtfsCounter, 622 mSDsluCounter, 1201 mSDsCounter, 0 mSdLazyCounter, 593 mSolverCounterSat, 5 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 624 SdHoareTripleChecker+Valid, 2704 SdHoareTripleChecker+Invalid, 602 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 593 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.1s IncrementalHoareTripleChecker+Time [2023-12-25 08:50:14,127 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [624 Valid, 2704 Invalid, 602 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 593 Invalid, 4 Unknown, 0 Unchecked, 26.1s Time] [2023-12-25 08:50:14,128 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-25 08:50:14,137 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (25)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-25 08:50:14,151 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (25)] Forceful destruction successful, exit code 0 [2023-12-25 08:50:14,163 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-25 08:50:14,328 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 08:50:14,330 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was constructing difference of abstraction (3614states) and FLOYD_HOARE automaton (currently 4 states, 4 states before enhancement),while ReachableStatesComputation was computing reachable states (2086 states constructed, input type IntersectNwa). [2023-12-25 08:50:14,333 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 08:50:14,335 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-25 08:50:14,336 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.12 08:50:14 BoogieIcfgContainer [2023-12-25 08:50:14,336 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-25 08:50:14,337 INFO L158 Benchmark]: Toolchain (without parser) took 863272.74ms. Allocated memory was 289.4MB in the beginning and 639.6MB in the end (delta: 350.2MB). Free memory was 238.1MB in the beginning and 253.5MB in the end (delta: -15.4MB). Peak memory consumption was 336.3MB. Max. memory is 8.0GB. [2023-12-25 08:50:14,337 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 182.5MB. Free memory is still 136.0MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-25 08:50:14,337 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1029.76ms. Allocated memory is still 289.4MB. Free memory was 238.0MB in the beginning and 208.3MB in the end (delta: 29.7MB). Peak memory consumption was 80.5MB. Max. memory is 8.0GB. [2023-12-25 08:50:14,337 INFO L158 Benchmark]: Boogie Procedure Inliner took 246.84ms. Allocated memory is still 289.4MB. Free memory was 208.3MB in the beginning and 169.5MB in the end (delta: 38.8MB). Peak memory consumption was 38.8MB. Max. memory is 8.0GB. [2023-12-25 08:50:14,337 INFO L158 Benchmark]: Boogie Preprocessor took 433.70ms. Allocated memory is still 289.4MB. Free memory was 169.5MB in the beginning and 204.6MB in the end (delta: -35.2MB). Peak memory consumption was 61.3MB. Max. memory is 8.0GB. [2023-12-25 08:50:14,337 INFO L158 Benchmark]: RCFGBuilder took 44352.20ms. Allocated memory was 289.4MB in the beginning and 531.6MB in the end (delta: 242.2MB). Free memory was 204.6MB in the beginning and 410.8MB in the end (delta: -206.2MB). Peak memory consumption was 211.7MB. Max. memory is 8.0GB. [2023-12-25 08:50:14,337 INFO L158 Benchmark]: TraceAbstraction took 817203.63ms. Allocated memory was 531.6MB in the beginning and 639.6MB in the end (delta: 108.0MB). Free memory was 410.3MB in the beginning and 253.5MB in the end (delta: 156.8MB). Peak memory consumption was 265.3MB. Max. memory is 8.0GB. [2023-12-25 08:50:14,338 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 182.5MB. Free memory is still 136.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 1029.76ms. Allocated memory is still 289.4MB. Free memory was 238.0MB in the beginning and 208.3MB in the end (delta: 29.7MB). Peak memory consumption was 80.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 246.84ms. Allocated memory is still 289.4MB. Free memory was 208.3MB in the beginning and 169.5MB in the end (delta: 38.8MB). Peak memory consumption was 38.8MB. Max. memory is 8.0GB. * Boogie Preprocessor took 433.70ms. Allocated memory is still 289.4MB. Free memory was 169.5MB in the beginning and 204.6MB in the end (delta: -35.2MB). Peak memory consumption was 61.3MB. Max. memory is 8.0GB. * RCFGBuilder took 44352.20ms. Allocated memory was 289.4MB in the beginning and 531.6MB in the end (delta: 242.2MB). Free memory was 204.6MB in the beginning and 410.8MB in the end (delta: -206.2MB). Peak memory consumption was 211.7MB. Max. memory is 8.0GB. * TraceAbstraction took 817203.63ms. Allocated memory was 531.6MB in the beginning and 639.6MB in the end (delta: 108.0MB). Free memory was 410.3MB in the beginning and 253.5MB in the end (delta: 156.8MB). Peak memory consumption was 265.3MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 42]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"/tmp/aaaa/ctm.bug2.i","-S") [42] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 46]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 46). Cancelled while NwaCegarLoop was constructing difference of abstraction (3614states) and FLOYD_HOARE automaton (currently 4 states, 4 states before enhancement),while ReachableStatesComputation was computing reachable states (2086 states constructed, input type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 45 procedures, 2391 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 817.1s, OverallIterations: 24, TraceHistogramMax: 7, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 681.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 123 mSolverCounterUnknown, 27045 SdHoareTripleChecker+Valid, 676.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 27005 mSDsluCounter, 155873 SdHoareTripleChecker+Invalid, 666.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 84738 mSDsCounter, 142 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 16931 IncrementalHoareTripleChecker+Invalid, 17196 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 142 mSolverCounterUnsat, 71135 mSDtfsCounter, 16931 mSolverCounterSat, 0.7s SdHoareTripleChecker+Time, 123 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5936 GetRequests, 5888 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4321occurred in iteration=14, InterpolantAutomatonStates: 90, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.2s AutomataMinimizationTime, 23 MinimizatonAttempts, 1951 StatesRemovedByMinimization, 22 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 3.1s SsaConstructionTime, 77.6s SatisfiabilityAnalysisTime, 21.8s InterpolantComputationTime, 5958 NumberOfCodeBlocks, 5958 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 5934 ConstructedInterpolants, 0 QuantifiedInterpolants, 7792 SizeOfPredicates, 2 NumberOfNonLiveVariables, 39477 ConjunctsInSsa, 70 ConjunctsInUnsatCore, 24 InterpolantComputations, 24 PerfectInterpolantSequences, 1331/1331 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown