/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/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-95.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-24 17:26:45,411 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-24 17:26:45,451 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-12-24 17:26:45,454 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-24 17:26:45,454 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-24 17:26:45,467 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-24 17:26:45,468 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-24 17:26:45,468 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-24 17:26:45,468 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-24 17:26:45,468 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-24 17:26:45,469 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-24 17:26:45,469 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-24 17:26:45,469 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-24 17:26:45,469 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-24 17:26:45,470 INFO L153 SettingsManager]: * Use SBE=true [2023-12-24 17:26:45,470 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-24 17:26:45,470 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-24 17:26:45,470 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-24 17:26:45,470 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-24 17:26:45,471 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-24 17:26:45,471 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-24 17:26:45,471 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-24 17:26:45,471 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-24 17:26:45,471 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-24 17:26:45,472 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-24 17:26:45,472 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-24 17:26:45,472 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-24 17:26:45,472 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-24 17:26:45,472 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-24 17:26:45,472 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-24 17:26:45,472 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-24 17:26:45,473 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-24 17:26:45,473 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-24 17:26:45,473 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-24 17:26:45,473 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-24 17:26:45,473 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-24 17:26:45,473 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-24 17:26:45,473 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-24 17:26:45,473 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-24 17:26:45,473 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-24 17:26:45,474 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-24 17:26:45,474 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-24 17:26:45,474 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-24 17:26:45,474 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-24 17:26:45,474 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-24 17:26:45,474 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-24 17:26:45,474 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-24 17:26:45,637 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-24 17:26:45,657 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-24 17:26:45,659 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-24 17:26:45,659 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-24 17:26:45,660 INFO L274 PluginConnector]: CDTParser initialized [2023-12-24 17:26:45,661 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-95.i [2023-12-24 17:26:46,716 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-24 17:26:46,857 INFO L384 CDTParser]: Found 1 translation units. [2023-12-24 17:26:46,857 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-95.i [2023-12-24 17:26:46,866 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c81519e99/113c2e9d47e84230ae92ad3ddffbf35b/FLAGc9fa2e1ce [2023-12-24 17:26:46,876 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c81519e99/113c2e9d47e84230ae92ad3ddffbf35b [2023-12-24 17:26:46,878 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-24 17:26:46,879 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-24 17:26:46,880 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-24 17:26:46,880 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-24 17:26:46,883 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-24 17:26:46,883 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.12 05:26:46" (1/1) ... [2023-12-24 17:26:46,884 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11637f84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 05:26:46, skipping insertion in model container [2023-12-24 17:26:46,884 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.12 05:26:46" (1/1) ... [2023-12-24 17:26:46,914 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-24 17:26:47,023 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-95.i[916,929] [2023-12-24 17:26:47,060 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-24 17:26:47,073 INFO L202 MainTranslator]: Completed pre-run [2023-12-24 17:26:47,086 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-95.i[916,929] [2023-12-24 17:26:47,107 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-24 17:26:47,121 INFO L206 MainTranslator]: Completed translation [2023-12-24 17:26:47,122 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 05:26:47 WrapperNode [2023-12-24 17:26:47,122 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-24 17:26:47,123 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-24 17:26:47,123 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-24 17:26:47,123 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-24 17:26:47,132 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 05:26:47" (1/1) ... [2023-12-24 17:26:47,143 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 05:26:47" (1/1) ... [2023-12-24 17:26:47,169 INFO L138 Inliner]: procedures = 36, calls = 162, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 482 [2023-12-24 17:26:47,170 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-24 17:26:47,170 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-24 17:26:47,170 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-24 17:26:47,170 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-24 17:26:47,179 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 05:26:47" (1/1) ... [2023-12-24 17:26:47,179 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 05:26:47" (1/1) ... [2023-12-24 17:26:47,185 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 05:26:47" (1/1) ... [2023-12-24 17:26:47,207 INFO L175 MemorySlicer]: Split 121 memory accesses to 15 slices as follows [2, 7, 3, 8, 8, 10, 8, 6, 8, 24, 8, 7, 7, 9, 6]. 20 percent of accesses are in the largest equivalence class. The 16 initializations are split as follows [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]. The 16 writes are split as follows [0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 3, 1, 1, 1]. [2023-12-24 17:26:47,207 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 05:26:47" (1/1) ... [2023-12-24 17:26:47,207 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 05:26:47" (1/1) ... [2023-12-24 17:26:47,227 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 05:26:47" (1/1) ... [2023-12-24 17:26:47,230 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 05:26:47" (1/1) ... [2023-12-24 17:26:47,240 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 05:26:47" (1/1) ... [2023-12-24 17:26:47,249 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 05:26:47" (1/1) ... [2023-12-24 17:26:47,258 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-24 17:26:47,260 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-24 17:26:47,260 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-24 17:26:47,260 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-24 17:26:47,261 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 05:26:47" (1/1) ... [2023-12-24 17:26:47,268 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-24 17:26:47,278 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-24 17:26:47,294 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) [2023-12-24 17:26:47,316 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 [2023-12-24 17:26:47,320 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-24 17:26:47,320 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2023-12-24 17:26:47,320 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2023-12-24 17:26:47,321 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2023-12-24 17:26:47,321 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2023-12-24 17:26:47,321 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2023-12-24 17:26:47,322 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#5 [2023-12-24 17:26:47,322 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#6 [2023-12-24 17:26:47,322 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#7 [2023-12-24 17:26:47,322 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#8 [2023-12-24 17:26:47,322 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#9 [2023-12-24 17:26:47,322 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#10 [2023-12-24 17:26:47,322 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#11 [2023-12-24 17:26:47,322 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#12 [2023-12-24 17:26:47,322 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#13 [2023-12-24 17:26:47,323 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#14 [2023-12-24 17:26:47,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#0 [2023-12-24 17:26:47,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#1 [2023-12-24 17:26:47,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#2 [2023-12-24 17:26:47,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#3 [2023-12-24 17:26:47,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#4 [2023-12-24 17:26:47,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#5 [2023-12-24 17:26:47,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#6 [2023-12-24 17:26:47,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#7 [2023-12-24 17:26:47,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#8 [2023-12-24 17:26:47,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#9 [2023-12-24 17:26:47,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#10 [2023-12-24 17:26:47,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#11 [2023-12-24 17:26:47,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#12 [2023-12-24 17:26:47,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#13 [2023-12-24 17:26:47,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#14 [2023-12-24 17:26:47,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-24 17:26:47,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2023-12-24 17:26:47,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2023-12-24 17:26:47,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2023-12-24 17:26:47,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2023-12-24 17:26:47,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2023-12-24 17:26:47,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2023-12-24 17:26:47,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2023-12-24 17:26:47,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2023-12-24 17:26:47,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9 [2023-12-24 17:26:47,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#10 [2023-12-24 17:26:47,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#11 [2023-12-24 17:26:47,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#12 [2023-12-24 17:26:47,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#13 [2023-12-24 17:26:47,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#14 [2023-12-24 17:26:47,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2023-12-24 17:26:47,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2023-12-24 17:26:47,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2023-12-24 17:26:47,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2023-12-24 17:26:47,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#4 [2023-12-24 17:26:47,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#5 [2023-12-24 17:26:47,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#6 [2023-12-24 17:26:47,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#7 [2023-12-24 17:26:47,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#8 [2023-12-24 17:26:47,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#9 [2023-12-24 17:26:47,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#10 [2023-12-24 17:26:47,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#11 [2023-12-24 17:26:47,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#12 [2023-12-24 17:26:47,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#13 [2023-12-24 17:26:47,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#14 [2023-12-24 17:26:47,328 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2023-12-24 17:26:47,328 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2023-12-24 17:26:47,328 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2 [2023-12-24 17:26:47,328 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3 [2023-12-24 17:26:47,328 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#4 [2023-12-24 17:26:47,328 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#5 [2023-12-24 17:26:47,328 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#6 [2023-12-24 17:26:47,328 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#7 [2023-12-24 17:26:47,328 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#8 [2023-12-24 17:26:47,328 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#9 [2023-12-24 17:26:47,328 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#10 [2023-12-24 17:26:47,329 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#11 [2023-12-24 17:26:47,329 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#12 [2023-12-24 17:26:47,329 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#13 [2023-12-24 17:26:47,330 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#14 [2023-12-24 17:26:47,330 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2023-12-24 17:26:47,330 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2023-12-24 17:26:47,330 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2023-12-24 17:26:47,331 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2023-12-24 17:26:47,331 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2023-12-24 17:26:47,331 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2023-12-24 17:26:47,331 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2023-12-24 17:26:47,331 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2023-12-24 17:26:47,331 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8 [2023-12-24 17:26:47,331 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#9 [2023-12-24 17:26:47,331 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#10 [2023-12-24 17:26:47,332 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#11 [2023-12-24 17:26:47,332 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#12 [2023-12-24 17:26:47,332 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#13 [2023-12-24 17:26:47,332 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#14 [2023-12-24 17:26:47,332 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#0 [2023-12-24 17:26:47,332 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#1 [2023-12-24 17:26:47,332 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#2 [2023-12-24 17:26:47,332 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#3 [2023-12-24 17:26:47,332 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#4 [2023-12-24 17:26:47,332 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#5 [2023-12-24 17:26:47,332 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#6 [2023-12-24 17:26:47,332 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#7 [2023-12-24 17:26:47,332 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#8 [2023-12-24 17:26:47,332 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#9 [2023-12-24 17:26:47,332 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#10 [2023-12-24 17:26:47,333 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#11 [2023-12-24 17:26:47,333 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#12 [2023-12-24 17:26:47,333 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#13 [2023-12-24 17:26:47,333 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#14 [2023-12-24 17:26:47,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2023-12-24 17:26:47,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2023-12-24 17:26:47,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2 [2023-12-24 17:26:47,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3 [2023-12-24 17:26:47,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#4 [2023-12-24 17:26:47,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#5 [2023-12-24 17:26:47,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#6 [2023-12-24 17:26:47,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#7 [2023-12-24 17:26:47,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#8 [2023-12-24 17:26:47,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#9 [2023-12-24 17:26:47,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#10 [2023-12-24 17:26:47,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#11 [2023-12-24 17:26:47,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#12 [2023-12-24 17:26:47,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#13 [2023-12-24 17:26:47,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#14 [2023-12-24 17:26:47,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#0 [2023-12-24 17:26:47,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#1 [2023-12-24 17:26:47,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#2 [2023-12-24 17:26:47,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#3 [2023-12-24 17:26:47,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#4 [2023-12-24 17:26:47,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#5 [2023-12-24 17:26:47,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#6 [2023-12-24 17:26:47,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#7 [2023-12-24 17:26:47,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#8 [2023-12-24 17:26:47,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#9 [2023-12-24 17:26:47,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#10 [2023-12-24 17:26:47,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#11 [2023-12-24 17:26:47,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#12 [2023-12-24 17:26:47,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#13 [2023-12-24 17:26:47,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#14 [2023-12-24 17:26:47,336 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-24 17:26:47,336 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-24 17:26:47,336 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-24 17:26:47,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-24 17:26:47,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2023-12-24 17:26:47,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2023-12-24 17:26:47,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2023-12-24 17:26:47,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2023-12-24 17:26:47,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2023-12-24 17:26:47,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#5 [2023-12-24 17:26:47,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#6 [2023-12-24 17:26:47,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#7 [2023-12-24 17:26:47,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#8 [2023-12-24 17:26:47,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#9 [2023-12-24 17:26:47,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#10 [2023-12-24 17:26:47,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#11 [2023-12-24 17:26:47,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#12 [2023-12-24 17:26:47,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#13 [2023-12-24 17:26:47,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#14 [2023-12-24 17:26:47,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#0 [2023-12-24 17:26:47,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#1 [2023-12-24 17:26:47,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#2 [2023-12-24 17:26:47,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#3 [2023-12-24 17:26:47,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#4 [2023-12-24 17:26:47,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#5 [2023-12-24 17:26:47,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#6 [2023-12-24 17:26:47,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#7 [2023-12-24 17:26:47,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#8 [2023-12-24 17:26:47,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#9 [2023-12-24 17:26:47,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#10 [2023-12-24 17:26:47,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#11 [2023-12-24 17:26:47,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#12 [2023-12-24 17:26:47,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#13 [2023-12-24 17:26:47,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#14 [2023-12-24 17:26:47,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2023-12-24 17:26:47,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2023-12-24 17:26:47,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2023-12-24 17:26:47,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2023-12-24 17:26:47,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2023-12-24 17:26:47,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2023-12-24 17:26:47,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2023-12-24 17:26:47,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2023-12-24 17:26:47,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#8 [2023-12-24 17:26:47,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#9 [2023-12-24 17:26:47,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#10 [2023-12-24 17:26:47,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#11 [2023-12-24 17:26:47,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#12 [2023-12-24 17:26:47,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#13 [2023-12-24 17:26:47,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#14 [2023-12-24 17:26:47,571 INFO L241 CfgBuilder]: Building ICFG [2023-12-24 17:26:47,572 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-24 17:26:48,640 INFO L282 CfgBuilder]: Performing block encoding [2023-12-24 17:26:48,698 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-24 17:26:48,699 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-24 17:26:48,699 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.12 05:26:48 BoogieIcfgContainer [2023-12-24 17:26:48,699 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-24 17:26:48,700 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-24 17:26:48,701 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-24 17:26:48,703 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-24 17:26:48,703 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.12 05:26:46" (1/3) ... [2023-12-24 17:26:48,703 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10a29619 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.12 05:26:48, skipping insertion in model container [2023-12-24 17:26:48,703 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 05:26:47" (2/3) ... [2023-12-24 17:26:48,704 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10a29619 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.12 05:26:48, skipping insertion in model container [2023-12-24 17:26:48,704 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.12 05:26:48" (3/3) ... [2023-12-24 17:26:48,704 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-p_file-95.i [2023-12-24 17:26:48,716 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-24 17:26:48,716 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-24 17:26:48,748 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-24 17:26:48,753 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;@27795d2a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-24 17:26:48,753 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-24 17:26:48,756 INFO L276 IsEmpty]: Start isEmpty. Operand has 96 states, 77 states have (on average 1.4415584415584415) internal successors, (111), 78 states have internal predecessors, (111), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2023-12-24 17:26:48,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-24 17:26:48,765 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 17:26:48,765 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 17:26:48,766 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-24 17:26:48,770 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 17:26:48,770 INFO L85 PathProgramCache]: Analyzing trace with hash 1657265144, now seen corresponding path program 1 times [2023-12-24 17:26:48,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 17:26:48,782 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1027777839] [2023-12-24 17:26:48,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 17:26:48,782 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 [2023-12-24 17:26:48,782 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 17:26:48,784 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) [2023-12-24 17:26:48,790 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 [2023-12-24 17:26:49,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 17:26:49,293 INFO L262 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-24 17:26:49,299 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 17:26:49,324 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 254 proven. 0 refuted. 0 times theorem prover too weak. 226 trivial. 0 not checked. [2023-12-24 17:26:49,324 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-24 17:26:49,324 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 17:26:49,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1027777839] [2023-12-24 17:26:49,325 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1027777839] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-24 17:26:49,325 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-24 17:26:49,325 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-24 17:26:49,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [559527431] [2023-12-24 17:26:49,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-24 17:26:49,329 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-24 17:26:49,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 17:26:49,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-24 17:26:49,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-24 17:26:49,348 INFO L87 Difference]: Start difference. First operand has 96 states, 77 states have (on average 1.4415584415584415) internal successors, (111), 78 states have internal predecessors, (111), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2023-12-24 17:26:49,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 17:26:49,385 INFO L93 Difference]: Finished difference Result 189 states and 300 transitions. [2023-12-24 17:26:49,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-24 17:26:49,389 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 124 [2023-12-24 17:26:49,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 17:26:49,396 INFO L225 Difference]: With dead ends: 189 [2023-12-24 17:26:49,396 INFO L226 Difference]: Without dead ends: 94 [2023-12-24 17:26:49,398 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-24 17:26:49,400 INFO L413 NwaCegarLoop]: 130 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 130 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-24 17:26:49,401 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 130 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-24 17:26:49,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2023-12-24 17:26:49,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2023-12-24 17:26:49,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 76 states have (on average 1.3421052631578947) internal successors, (102), 76 states have internal predecessors, (102), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2023-12-24 17:26:49,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 134 transitions. [2023-12-24 17:26:49,434 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 134 transitions. Word has length 124 [2023-12-24 17:26:49,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 17:26:49,435 INFO L495 AbstractCegarLoop]: Abstraction has 94 states and 134 transitions. [2023-12-24 17:26:49,435 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2023-12-24 17:26:49,435 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 134 transitions. [2023-12-24 17:26:49,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-24 17:26:49,437 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 17:26:49,437 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 17:26:49,451 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 [2023-12-24 17:26:49,637 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 [2023-12-24 17:26:49,638 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-24 17:26:49,638 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 17:26:49,639 INFO L85 PathProgramCache]: Analyzing trace with hash 2138557268, now seen corresponding path program 1 times [2023-12-24 17:26:49,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 17:26:49,639 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1606301740] [2023-12-24 17:26:49,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 17:26:49,640 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 [2023-12-24 17:26:49,640 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 17:26:49,641 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) [2023-12-24 17:26:49,647 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 [2023-12-24 17:26:50,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 17:26:50,082 INFO L262 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-24 17:26:50,103 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 17:26:50,142 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2023-12-24 17:26:50,338 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-12-24 17:26:50,420 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 42 [2023-12-24 17:26:50,430 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2023-12-24 17:26:50,431 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-24 17:26:50,433 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 17:26:50,434 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1606301740] [2023-12-24 17:26:50,434 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1606301740] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-24 17:26:50,434 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-24 17:26:50,434 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-24 17:26:50,434 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298778056] [2023-12-24 17:26:50,434 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-24 17:26:50,435 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-24 17:26:50,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 17:26:50,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-24 17:26:50,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-12-24 17:26:50,436 INFO L87 Difference]: Start difference. First operand 94 states and 134 transitions. Second operand has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2023-12-24 17:26:51,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 17:26:51,720 INFO L93 Difference]: Finished difference Result 366 states and 523 transitions. [2023-12-24 17:26:51,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-24 17:26:51,720 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 124 [2023-12-24 17:26:51,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 17:26:51,722 INFO L225 Difference]: With dead ends: 366 [2023-12-24 17:26:51,722 INFO L226 Difference]: Without dead ends: 273 [2023-12-24 17:26:51,723 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2023-12-24 17:26:51,724 INFO L413 NwaCegarLoop]: 194 mSDtfsCounter, 256 mSDsluCounter, 532 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 256 SdHoareTripleChecker+Valid, 726 SdHoareTripleChecker+Invalid, 159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-12-24 17:26:51,724 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [256 Valid, 726 Invalid, 159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-12-24 17:26:51,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273 states. [2023-12-24 17:26:51,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273 to 192. [2023-12-24 17:26:51,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 192 states, 157 states have (on average 1.3439490445859872) internal successors, (211), 157 states have internal predecessors, (211), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2023-12-24 17:26:51,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 275 transitions. [2023-12-24 17:26:51,743 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 275 transitions. Word has length 124 [2023-12-24 17:26:51,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 17:26:51,744 INFO L495 AbstractCegarLoop]: Abstraction has 192 states and 275 transitions. [2023-12-24 17:26:51,744 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2023-12-24 17:26:51,744 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 275 transitions. [2023-12-24 17:26:51,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2023-12-24 17:26:51,745 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 17:26:51,745 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 17:26:51,762 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 [2023-12-24 17:26:51,946 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 [2023-12-24 17:26:51,946 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-24 17:26:51,947 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 17:26:51,947 INFO L85 PathProgramCache]: Analyzing trace with hash 1462549113, now seen corresponding path program 1 times [2023-12-24 17:26:51,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 17:26:51,948 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1068892770] [2023-12-24 17:26:51,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 17:26:51,948 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 [2023-12-24 17:26:51,948 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 17:26:51,949 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) [2023-12-24 17:26:51,950 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 [2023-12-24 17:26:52,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 17:26:52,468 INFO L262 TraceCheckSpWp]: Trace formula consists of 343 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-24 17:26:52,471 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 17:26:52,510 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2023-12-24 17:26:52,510 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-24 17:26:52,510 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 17:26:52,511 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1068892770] [2023-12-24 17:26:52,511 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1068892770] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-24 17:26:52,511 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-24 17:26:52,511 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-24 17:26:52,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1696849876] [2023-12-24 17:26:52,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-24 17:26:52,511 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-24 17:26:52,511 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 17:26:52,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-24 17:26:52,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-24 17:26:52,512 INFO L87 Difference]: Start difference. First operand 192 states and 275 transitions. Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2023-12-24 17:26:52,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 17:26:52,580 INFO L93 Difference]: Finished difference Result 401 states and 573 transitions. [2023-12-24 17:26:52,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-24 17:26:52,580 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 126 [2023-12-24 17:26:52,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 17:26:52,582 INFO L225 Difference]: With dead ends: 401 [2023-12-24 17:26:52,582 INFO L226 Difference]: Without dead ends: 210 [2023-12-24 17:26:52,583 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-12-24 17:26:52,584 INFO L413 NwaCegarLoop]: 126 mSDtfsCounter, 10 mSDsluCounter, 370 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 496 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-24 17:26:52,584 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 496 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-24 17:26:52,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2023-12-24 17:26:52,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 200. [2023-12-24 17:26:52,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 200 states, 165 states have (on average 1.3272727272727274) internal successors, (219), 165 states have internal predecessors, (219), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2023-12-24 17:26:52,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 283 transitions. [2023-12-24 17:26:52,599 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 283 transitions. Word has length 126 [2023-12-24 17:26:52,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 17:26:52,599 INFO L495 AbstractCegarLoop]: Abstraction has 200 states and 283 transitions. [2023-12-24 17:26:52,600 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2023-12-24 17:26:52,600 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 283 transitions. [2023-12-24 17:26:52,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2023-12-24 17:26:52,601 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 17:26:52,601 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 17:26:52,616 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 [2023-12-24 17:26:52,820 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 [2023-12-24 17:26:52,823 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-24 17:26:52,823 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 17:26:52,823 INFO L85 PathProgramCache]: Analyzing trace with hash 1462608695, now seen corresponding path program 1 times [2023-12-24 17:26:52,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 17:26:52,824 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [934945997] [2023-12-24 17:26:52,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 17:26:52,824 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 [2023-12-24 17:26:52,824 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 17:26:52,825 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) [2023-12-24 17:26:52,827 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 [2023-12-24 17:26:53,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 17:26:53,377 INFO L262 TraceCheckSpWp]: Trace formula consists of 340 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-24 17:26:53,380 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 17:26:53,426 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 41 [2023-12-24 17:26:53,450 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2023-12-24 17:26:53,451 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-24 17:26:53,451 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 17:26:53,451 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [934945997] [2023-12-24 17:26:53,451 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [934945997] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-24 17:26:53,451 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-24 17:26:53,451 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-24 17:26:53,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2125809653] [2023-12-24 17:26:53,451 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-24 17:26:53,452 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-24 17:26:53,452 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 17:26:53,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-24 17:26:53,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-12-24 17:26:53,452 INFO L87 Difference]: Start difference. First operand 200 states and 283 transitions. Second operand has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2023-12-24 17:26:54,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 17:26:54,669 INFO L93 Difference]: Finished difference Result 411 states and 583 transitions. [2023-12-24 17:26:54,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-24 17:26:54,669 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 126 [2023-12-24 17:26:54,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 17:26:54,670 INFO L225 Difference]: With dead ends: 411 [2023-12-24 17:26:54,670 INFO L226 Difference]: Without dead ends: 212 [2023-12-24 17:26:54,671 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2023-12-24 17:26:54,671 INFO L413 NwaCegarLoop]: 115 mSDtfsCounter, 143 mSDsluCounter, 296 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 411 SdHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-12-24 17:26:54,672 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 411 Invalid, 127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-12-24 17:26:54,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2023-12-24 17:26:54,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 200. [2023-12-24 17:26:54,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 200 states, 165 states have (on average 1.3151515151515152) internal successors, (217), 165 states have internal predecessors, (217), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2023-12-24 17:26:54,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 281 transitions. [2023-12-24 17:26:54,683 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 281 transitions. Word has length 126 [2023-12-24 17:26:54,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 17:26:54,683 INFO L495 AbstractCegarLoop]: Abstraction has 200 states and 281 transitions. [2023-12-24 17:26:54,683 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2023-12-24 17:26:54,683 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 281 transitions. [2023-12-24 17:26:54,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2023-12-24 17:26:54,684 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 17:26:54,685 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 17:26:54,697 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 [2023-12-24 17:26:54,896 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 [2023-12-24 17:26:54,896 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-24 17:26:54,897 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 17:26:54,897 INFO L85 PathProgramCache]: Analyzing trace with hash 1479917873, now seen corresponding path program 1 times [2023-12-24 17:26:54,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 17:26:54,897 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1456184178] [2023-12-24 17:26:54,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 17:26:54,897 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 [2023-12-24 17:26:54,898 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 17:26:54,899 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) [2023-12-24 17:26:54,900 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 [2023-12-24 17:26:55,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 17:26:55,403 INFO L262 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-24 17:26:55,406 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 17:26:55,459 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 41 [2023-12-24 17:26:55,475 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2023-12-24 17:26:55,475 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-24 17:26:55,476 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 17:26:55,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1456184178] [2023-12-24 17:26:55,476 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1456184178] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-24 17:26:55,476 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-24 17:26:55,476 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-24 17:26:55,476 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [681295712] [2023-12-24 17:26:55,476 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-24 17:26:55,476 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-24 17:26:55,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 17:26:55,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-24 17:26:55,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-12-24 17:26:55,477 INFO L87 Difference]: Start difference. First operand 200 states and 281 transitions. Second operand has 6 states, 6 states have (on average 9.0) internal successors, (54), 5 states have internal predecessors, (54), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2023-12-24 17:26:56,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 17:26:56,350 INFO L93 Difference]: Finished difference Result 411 states and 579 transitions. [2023-12-24 17:26:56,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-24 17:26:56,351 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 5 states have internal predecessors, (54), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 128 [2023-12-24 17:26:56,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 17:26:56,352 INFO L225 Difference]: With dead ends: 411 [2023-12-24 17:26:56,352 INFO L226 Difference]: Without dead ends: 212 [2023-12-24 17:26:56,353 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2023-12-24 17:26:56,353 INFO L413 NwaCegarLoop]: 113 mSDtfsCounter, 132 mSDsluCounter, 291 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 404 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-12-24 17:26:56,353 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [132 Valid, 404 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-12-24 17:26:56,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2023-12-24 17:26:56,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 200. [2023-12-24 17:26:56,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 200 states, 165 states have (on average 1.303030303030303) internal successors, (215), 165 states have internal predecessors, (215), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2023-12-24 17:26:56,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 279 transitions. [2023-12-24 17:26:56,365 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 279 transitions. Word has length 128 [2023-12-24 17:26:56,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 17:26:56,365 INFO L495 AbstractCegarLoop]: Abstraction has 200 states and 279 transitions. [2023-12-24 17:26:56,365 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 5 states have internal predecessors, (54), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2023-12-24 17:26:56,366 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 279 transitions. [2023-12-24 17:26:56,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2023-12-24 17:26:56,367 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 17:26:56,367 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 17:26:56,382 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 [2023-12-24 17:26:56,579 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 [2023-12-24 17:26:56,580 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-24 17:26:56,580 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 17:26:56,580 INFO L85 PathProgramCache]: Analyzing trace with hash 18826999, now seen corresponding path program 1 times [2023-12-24 17:26:56,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 17:26:56,581 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [334127091] [2023-12-24 17:26:56,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 17:26:56,581 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 [2023-12-24 17:26:56,581 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 17:26:56,582 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) [2023-12-24 17:26:56,584 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 [2023-12-24 17:27:02,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 17:27:03,029 INFO L262 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-24 17:27:03,032 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 17:27:03,093 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 41 [2023-12-24 17:27:03,117 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 112 proven. 0 refuted. 0 times theorem prover too weak. 368 trivial. 0 not checked. [2023-12-24 17:27:03,117 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-24 17:27:03,117 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 17:27:03,117 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [334127091] [2023-12-24 17:27:03,117 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [334127091] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-24 17:27:03,117 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-24 17:27:03,118 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-24 17:27:03,118 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [593842595] [2023-12-24 17:27:03,118 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-24 17:27:03,118 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-24 17:27:03,118 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 17:27:03,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-24 17:27:03,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-12-24 17:27:03,119 INFO L87 Difference]: Start difference. First operand 200 states and 279 transitions. Second operand has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 5 states have internal predecessors, (56), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2023-12-24 17:27:04,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 17:27:04,259 INFO L93 Difference]: Finished difference Result 411 states and 575 transitions. [2023-12-24 17:27:04,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-24 17:27:04,260 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 5 states have internal predecessors, (56), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 130 [2023-12-24 17:27:04,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 17:27:04,261 INFO L225 Difference]: With dead ends: 411 [2023-12-24 17:27:04,261 INFO L226 Difference]: Without dead ends: 212 [2023-12-24 17:27:04,262 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2023-12-24 17:27:04,262 INFO L413 NwaCegarLoop]: 112 mSDtfsCounter, 123 mSDsluCounter, 288 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 400 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-12-24 17:27:04,262 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [123 Valid, 400 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-12-24 17:27:04,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2023-12-24 17:27:04,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 200. [2023-12-24 17:27:04,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 200 states, 165 states have (on average 1.290909090909091) internal successors, (213), 165 states have internal predecessors, (213), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2023-12-24 17:27:04,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 277 transitions. [2023-12-24 17:27:04,274 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 277 transitions. Word has length 130 [2023-12-24 17:27:04,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 17:27:04,274 INFO L495 AbstractCegarLoop]: Abstraction has 200 states and 277 transitions. [2023-12-24 17:27:04,274 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 5 states have internal predecessors, (56), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2023-12-24 17:27:04,274 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 277 transitions. [2023-12-24 17:27:04,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2023-12-24 17:27:04,275 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 17:27:04,275 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 17:27:04,292 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 (7)] Forceful destruction successful, exit code 0 [2023-12-24 17:27:04,488 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 [2023-12-24 17:27:04,489 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-24 17:27:04,489 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 17:27:04,489 INFO L85 PathProgramCache]: Analyzing trace with hash -573144335, now seen corresponding path program 1 times [2023-12-24 17:27:04,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 17:27:04,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [652231983] [2023-12-24 17:27:04,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 17:27:04,490 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 [2023-12-24 17:27:04,490 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 17:27:04,491 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) [2023-12-24 17:27:04,491 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 Received shutdown request... [2023-12-24 17:41:34,398 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 [2023-12-24 17:41:34,398 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 (8)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-24 17:41:35,415 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 [2023-12-24 17:41:35,608 WARN L435 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)] Forcibly destroying the process [2023-12-24 17:41:35,640 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 137 [2023-12-24 17:41:35,641 ERROR L246 FreeRefinementEngine]: Caught known exception: Timeout or Toolchain cancelled by user [2023-12-24 17:41:35,642 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-24 17:41:35,643 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was analyzing trace of length 133 with TraceHistMax 16,while AutomatonFreeRefinementEngine was Timeout during feasibility check between IpTcStrategyModuleMathsat [652231983] and IpTcStrategyModuleCvc4 [1730674366]. [2023-12-24 17:41:35,645 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2023-12-24 17:41:35,647 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-24 17:41:35,648 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.12 05:41:35 BoogieIcfgContainer [2023-12-24 17:41:35,648 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-24 17:41:35,648 INFO L158 Benchmark]: Toolchain (without parser) took 888769.66ms. Allocated memory was 245.4MB in the beginning and 294.6MB in the end (delta: 49.3MB). Free memory was 190.5MB in the beginning and 175.9MB in the end (delta: 14.7MB). Peak memory consumption was 65.0MB. Max. memory is 8.0GB. [2023-12-24 17:41:35,649 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 204.5MB. Free memory is still 150.2MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-24 17:41:35,649 INFO L158 Benchmark]: CACSL2BoogieTranslator took 242.49ms. Allocated memory is still 245.4MB. Free memory was 190.0MB in the beginning and 174.8MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2023-12-24 17:41:35,649 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.98ms. Allocated memory is still 245.4MB. Free memory was 174.8MB in the beginning and 171.7MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-12-24 17:41:35,649 INFO L158 Benchmark]: Boogie Preprocessor took 87.89ms. Allocated memory is still 245.4MB. Free memory was 171.7MB in the beginning and 164.3MB in the end (delta: 7.3MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. [2023-12-24 17:41:35,649 INFO L158 Benchmark]: RCFGBuilder took 1439.12ms. Allocated memory is still 245.4MB. Free memory was 164.3MB in the beginning and 180.0MB in the end (delta: -15.7MB). Peak memory consumption was 42.0MB. Max. memory is 8.0GB. [2023-12-24 17:41:35,649 INFO L158 Benchmark]: TraceAbstraction took 886947.63ms. Allocated memory was 245.4MB in the beginning and 294.6MB in the end (delta: 49.3MB). Free memory was 179.0MB in the beginning and 175.9MB in the end (delta: 3.1MB). Peak memory consumption was 52.4MB. Max. memory is 8.0GB. [2023-12-24 17:41:35,650 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 204.5MB. Free memory is still 150.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 242.49ms. Allocated memory is still 245.4MB. Free memory was 190.0MB in the beginning and 174.8MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 46.98ms. Allocated memory is still 245.4MB. Free memory was 174.8MB in the beginning and 171.7MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 87.89ms. Allocated memory is still 245.4MB. Free memory was 171.7MB in the beginning and 164.3MB in the end (delta: 7.3MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. * RCFGBuilder took 1439.12ms. Allocated memory is still 245.4MB. Free memory was 164.3MB in the beginning and 180.0MB in the end (delta: -15.7MB). Peak memory consumption was 42.0MB. Max. memory is 8.0GB. * TraceAbstraction took 886947.63ms. Allocated memory was 245.4MB in the beginning and 294.6MB in the end (delta: 49.3MB). Free memory was 179.0MB in the beginning and 175.9MB in the end (delta: 3.1MB). Peak memory consumption was 52.4MB. Max. memory is 8.0GB. * 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: 19]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 19). Cancelled while NwaCegarLoop was analyzing trace of length 133 with TraceHistMax 16,while AutomatonFreeRefinementEngine was Timeout during feasibility check between IpTcStrategyModuleMathsat [652231983] and IpTcStrategyModuleCvc4 [1730674366]. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 96 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 886.9s, OverallIterations: 7, TraceHistogramMax: 16, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 664 SdHoareTripleChecker+Valid, 4.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 664 mSDsluCounter, 2567 SdHoareTripleChecker+Invalid, 4.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1777 mSDsCounter, 84 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 496 IncrementalHoareTripleChecker+Invalid, 580 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 84 mSolverCounterUnsat, 790 mSDtfsCounter, 496 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 771 GetRequests, 733 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=200occurred in iteration=3, InterpolantAutomatonStates: 42, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 127 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 7.8s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 758 NumberOfCodeBlocks, 758 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 752 ConstructedInterpolants, 0 QuantifiedInterpolants, 1508 SizeOfPredicates, 31 NumberOfNonLiveVariables, 2053 ConjunctsInSsa, 37 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 2880/2880 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