/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks SMT_FEATURE_HEURISTIC --traceabstraction.assert.codeblocks.term.scoring.heuristic NUM_VARIABLES --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 4 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ntdrivers-simplified/kbfiltr_simpl1.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-20 17:11:13,099 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 17:11:13,104 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 17:11:13,137 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 17:11:13,138 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 17:11:13,143 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 17:11:13,147 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 17:11:13,164 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 17:11:13,168 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 17:11:13,174 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 17:11:13,178 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 17:11:13,181 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 17:11:13,181 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 17:11:13,185 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 17:11:13,189 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 17:11:13,192 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 17:11:13,196 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 17:11:13,199 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 17:11:13,202 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 17:11:13,212 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 17:11:13,221 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 17:11:13,228 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 17:11:13,229 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 17:11:13,230 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 17:11:13,234 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-20 17:11:13,235 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-20 17:11:13,236 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-20 17:11:13,240 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-20 17:11:13,241 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-20 17:11:13,244 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-20 17:11:13,244 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-20 17:11:13,246 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-20 17:11:13,248 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-20 17:11:13,248 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-20 17:11:13,251 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-20 17:11:13,251 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-20 17:11:13,252 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-20 17:11:13,253 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-20 17:11:13,253 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 17:11:13,256 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 17:11:13,258 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 17:11:13,259 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-20 17:11:13,315 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 17:11:13,315 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 17:11:13,317 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 17:11:13,317 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 17:11:13,320 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 17:11:13,321 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 17:11:13,321 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 17:11:13,321 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 17:11:13,322 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 17:11:13,322 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 17:11:13,325 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 17:11:13,326 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 17:11:13,326 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 17:11:13,326 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 17:11:13,327 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 17:11:13,327 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 17:11:13,327 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 17:11:13,328 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 17:11:13,328 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 17:11:13,328 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 17:11:13,330 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 17:11:13,331 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 17:11:13,331 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 17:11:13,332 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 17:11:13,332 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 17:11:13,332 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 17:11:13,332 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:11:13,332 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 17:11:13,333 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 17:11:13,333 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> FPandBPonlyIfFpWasNotPerfect Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> SMT_FEATURE_HEURISTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> NUM_VARIABLES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 4 [2020-07-20 17:11:13,764 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 17:11:13,797 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 17:11:13,805 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 17:11:13,808 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 17:11:13,811 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 17:11:13,813 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ntdrivers-simplified/kbfiltr_simpl1.cil.c [2020-07-20 17:11:13,927 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/060cd3008/f81afc83ad4043118e40afbb27c63399/FLAG00dfbfe67 [2020-07-20 17:11:14,752 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 17:11:14,754 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ntdrivers-simplified/kbfiltr_simpl1.cil.c [2020-07-20 17:11:14,789 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/060cd3008/f81afc83ad4043118e40afbb27c63399/FLAG00dfbfe67 [2020-07-20 17:11:14,964 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/060cd3008/f81afc83ad4043118e40afbb27c63399 [2020-07-20 17:11:14,981 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 17:11:14,987 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 17:11:14,989 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 17:11:14,990 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 17:11:14,997 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 17:11:14,999 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 05:11:14" (1/1) ... [2020-07-20 17:11:15,005 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a27c3cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:11:15, skipping insertion in model container [2020-07-20 17:11:15,005 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 05:11:14" (1/1) ... [2020-07-20 17:11:15,018 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 17:11:15,066 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 17:11:15,644 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 17:11:15,661 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 17:11:15,867 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 17:11:15,911 INFO L208 MainTranslator]: Completed translation [2020-07-20 17:11:15,912 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:11:15 WrapperNode [2020-07-20 17:11:15,912 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 17:11:15,915 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 17:11:15,916 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 17:11:15,916 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 17:11:15,937 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:11:15" (1/1) ... [2020-07-20 17:11:15,937 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:11:15" (1/1) ... [2020-07-20 17:11:15,951 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:11:15" (1/1) ... [2020-07-20 17:11:15,952 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:11:15" (1/1) ... [2020-07-20 17:11:15,969 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:11:15" (1/1) ... [2020-07-20 17:11:15,984 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:11:15" (1/1) ... [2020-07-20 17:11:15,989 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:11:15" (1/1) ... [2020-07-20 17:11:15,995 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 17:11:15,997 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 17:11:15,997 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 17:11:15,997 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 17:11:16,000 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:11:15" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 17:11:16,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 17:11:16,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 17:11:16,092 INFO L138 BoogieDeclarations]: Found implementation of procedure stub_driver_init [2020-07-20 17:11:16,093 INFO L138 BoogieDeclarations]: Found implementation of procedure _BLAST_init [2020-07-20 17:11:16,093 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_PnP [2020-07-20 17:11:16,093 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 17:11:16,093 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2020-07-20 17:11:16,093 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2020-07-20 17:11:16,094 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2020-07-20 17:11:16,094 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSetEvent [2020-07-20 17:11:16,094 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2020-07-20 17:11:16,094 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_Complete [2020-07-20 17:11:16,095 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2020-07-20 17:11:16,102 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 17:11:16,102 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2020-07-20 17:11:16,103 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 17:11:16,104 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2020-07-20 17:11:16,104 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_PnP [2020-07-20 17:11:16,104 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2020-07-20 17:11:16,104 INFO L130 BoogieDeclarations]: Found specification of procedure KeSetEvent [2020-07-20 17:11:16,104 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2020-07-20 17:11:16,104 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_Complete [2020-07-20 17:11:16,104 INFO L130 BoogieDeclarations]: Found specification of procedure stub_driver_init [2020-07-20 17:11:16,105 INFO L130 BoogieDeclarations]: Found specification of procedure _BLAST_init [2020-07-20 17:11:16,105 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2020-07-20 17:11:16,105 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2020-07-20 17:11:16,105 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 17:11:16,105 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2020-07-20 17:11:16,105 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 17:11:16,106 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 17:11:16,534 WARN L775 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-07-20 17:11:16,736 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##14: assume !false; [2020-07-20 17:11:16,737 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##13: assume false; [2020-07-20 17:11:16,740 WARN L775 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-07-20 17:11:16,841 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##8: assume false; [2020-07-20 17:11:16,842 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume !false; [2020-07-20 17:11:16,862 WARN L775 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-07-20 17:11:16,898 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false; [2020-07-20 17:11:16,899 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2020-07-20 17:11:16,921 WARN L775 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-07-20 17:11:17,208 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##43: assume false; [2020-07-20 17:11:17,208 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##44: assume !false; [2020-07-20 17:11:17,241 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 17:11:17,242 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-07-20 17:11:17,252 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 05:11:17 BoogieIcfgContainer [2020-07-20 17:11:17,252 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 17:11:17,255 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 17:11:17,256 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 17:11:17,262 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 17:11:17,263 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 05:11:14" (1/3) ... [2020-07-20 17:11:17,265 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@267d0dff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 05:11:17, skipping insertion in model container [2020-07-20 17:11:17,266 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:11:15" (2/3) ... [2020-07-20 17:11:17,267 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@267d0dff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 05:11:17, skipping insertion in model container [2020-07-20 17:11:17,267 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 05:11:17" (3/3) ... [2020-07-20 17:11:17,270 INFO L109 eAbstractionObserver]: Analyzing ICFG kbfiltr_simpl1.cil.c [2020-07-20 17:11:17,294 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-20 17:11:17,306 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 17:11:17,334 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 17:11:17,380 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 17:11:17,381 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 17:11:17,381 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-20 17:11:17,382 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 17:11:17,382 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 17:11:17,382 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 17:11:17,382 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 17:11:17,383 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 17:11:17,426 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states. [2020-07-20 17:11:17,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-07-20 17:11:17,441 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 17:11:17,444 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 17:11:17,445 INFO L427 AbstractCegarLoop]: === Iteration 1 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 17:11:17,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 17:11:17,456 INFO L82 PathProgramCache]: Analyzing trace with hash -1530382191, now seen corresponding path program 1 times [2020-07-20 17:11:17,470 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 17:11:17,470 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1253306592] [2020-07-20 17:11:17,471 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:11:17,685 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 1 check-sat command(s) [2020-07-20 17:11:17,686 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 17:11:17,692 INFO L263 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-20 17:11:17,703 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 17:11:17,763 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 17:11:17,763 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 17:11:17,766 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1253306592] [2020-07-20 17:11:17,768 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 17:11:17,769 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 17:11:17,771 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2137551415] [2020-07-20 17:11:17,780 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 17:11:17,781 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 17:11:17,795 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 17:11:17,797 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 17:11:17,800 INFO L87 Difference]: Start difference. First operand 151 states. Second operand 3 states. [2020-07-20 17:11:18,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 17:11:18,056 INFO L93 Difference]: Finished difference Result 254 states and 376 transitions. [2020-07-20 17:11:18,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 17:11:18,060 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2020-07-20 17:11:18,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 17:11:18,085 INFO L225 Difference]: With dead ends: 254 [2020-07-20 17:11:18,086 INFO L226 Difference]: Without dead ends: 140 [2020-07-20 17:11:18,095 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 17:11:18,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2020-07-20 17:11:18,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 140. [2020-07-20 17:11:18,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2020-07-20 17:11:18,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 191 transitions. [2020-07-20 17:11:18,222 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 191 transitions. Word has length 20 [2020-07-20 17:11:18,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 17:11:18,223 INFO L479 AbstractCegarLoop]: Abstraction has 140 states and 191 transitions. [2020-07-20 17:11:18,223 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 17:11:18,223 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 191 transitions. [2020-07-20 17:11:18,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-07-20 17:11:18,225 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 17:11:18,225 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 17:11:18,440 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:11:18,441 INFO L427 AbstractCegarLoop]: === Iteration 2 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 17:11:18,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 17:11:18,442 INFO L82 PathProgramCache]: Analyzing trace with hash 1141575010, now seen corresponding path program 1 times [2020-07-20 17:11:18,443 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 17:11:18,443 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [21308296] [2020-07-20 17:11:18,444 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:11:18,576 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 2 check-sat command(s) [2020-07-20 17:11:18,577 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 17:11:18,581 INFO L263 TraceCheckSpWp]: Trace formula consists of 308 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-20 17:11:18,586 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 17:11:18,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 17:11:18,615 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 17:11:18,615 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [21308296] [2020-07-20 17:11:18,616 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 17:11:18,616 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 17:11:18,617 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [347356193] [2020-07-20 17:11:18,620 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 17:11:18,621 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 17:11:18,621 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 17:11:18,622 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 17:11:18,622 INFO L87 Difference]: Start difference. First operand 140 states and 191 transitions. Second operand 3 states. [2020-07-20 17:11:18,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 17:11:18,869 INFO L93 Difference]: Finished difference Result 258 states and 347 transitions. [2020-07-20 17:11:18,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 17:11:18,875 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2020-07-20 17:11:18,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 17:11:18,888 INFO L225 Difference]: With dead ends: 258 [2020-07-20 17:11:18,888 INFO L226 Difference]: Without dead ends: 202 [2020-07-20 17:11:18,895 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 17:11:18,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states. [2020-07-20 17:11:18,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 189. [2020-07-20 17:11:18,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 189 states. [2020-07-20 17:11:19,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 253 transitions. [2020-07-20 17:11:19,011 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 253 transitions. Word has length 26 [2020-07-20 17:11:19,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 17:11:19,012 INFO L479 AbstractCegarLoop]: Abstraction has 189 states and 253 transitions. [2020-07-20 17:11:19,015 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 17:11:19,015 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 253 transitions. [2020-07-20 17:11:19,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-07-20 17:11:19,021 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 17:11:19,021 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 17:11:19,238 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:11:19,240 INFO L427 AbstractCegarLoop]: === Iteration 3 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 17:11:19,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 17:11:19,240 INFO L82 PathProgramCache]: Analyzing trace with hash 1029098174, now seen corresponding path program 1 times [2020-07-20 17:11:19,241 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 17:11:19,241 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2104708581] [2020-07-20 17:11:19,241 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:11:19,477 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 17:11:19,478 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 17:11:19,483 INFO L263 TraceCheckSpWp]: Trace formula consists of 486 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-20 17:11:19,487 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 17:11:19,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 17:11:19,511 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 17:11:19,512 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2104708581] [2020-07-20 17:11:19,512 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 17:11:19,512 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 17:11:19,513 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2024686500] [2020-07-20 17:11:19,514 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 17:11:19,514 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 17:11:19,515 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 17:11:19,515 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 17:11:19,516 INFO L87 Difference]: Start difference. First operand 189 states and 253 transitions. Second operand 3 states. [2020-07-20 17:11:19,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 17:11:19,570 INFO L93 Difference]: Finished difference Result 310 states and 407 transitions. [2020-07-20 17:11:19,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 17:11:19,572 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 27 [2020-07-20 17:11:19,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 17:11:19,575 INFO L225 Difference]: With dead ends: 310 [2020-07-20 17:11:19,575 INFO L226 Difference]: Without dead ends: 248 [2020-07-20 17:11:19,578 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 17:11:19,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2020-07-20 17:11:19,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 211. [2020-07-20 17:11:19,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 211 states. [2020-07-20 17:11:19,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 283 transitions. [2020-07-20 17:11:19,612 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 283 transitions. Word has length 27 [2020-07-20 17:11:19,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 17:11:19,612 INFO L479 AbstractCegarLoop]: Abstraction has 211 states and 283 transitions. [2020-07-20 17:11:19,612 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 17:11:19,613 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 283 transitions. [2020-07-20 17:11:19,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-07-20 17:11:19,616 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 17:11:19,616 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 17:11:19,832 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:11:19,833 INFO L427 AbstractCegarLoop]: === Iteration 4 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 17:11:19,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 17:11:19,834 INFO L82 PathProgramCache]: Analyzing trace with hash 742933031, now seen corresponding path program 1 times [2020-07-20 17:11:19,835 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 17:11:19,836 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2018835769] [2020-07-20 17:11:19,836 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:11:19,982 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 2 check-sat command(s) [2020-07-20 17:11:19,983 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 17:11:19,985 INFO L263 TraceCheckSpWp]: Trace formula consists of 340 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-20 17:11:19,990 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 17:11:20,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 17:11:20,014 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 17:11:20,014 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2018835769] [2020-07-20 17:11:20,015 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 17:11:20,015 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 17:11:20,016 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1568734944] [2020-07-20 17:11:20,017 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 17:11:20,017 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 17:11:20,018 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 17:11:20,019 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 17:11:20,019 INFO L87 Difference]: Start difference. First operand 211 states and 283 transitions. Second operand 3 states. [2020-07-20 17:11:20,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 17:11:20,159 INFO L93 Difference]: Finished difference Result 214 states and 285 transitions. [2020-07-20 17:11:20,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 17:11:20,160 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 37 [2020-07-20 17:11:20,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 17:11:20,164 INFO L225 Difference]: With dead ends: 214 [2020-07-20 17:11:20,164 INFO L226 Difference]: Without dead ends: 211 [2020-07-20 17:11:20,166 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 17:11:20,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2020-07-20 17:11:20,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 211. [2020-07-20 17:11:20,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 211 states. [2020-07-20 17:11:20,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 282 transitions. [2020-07-20 17:11:20,194 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 282 transitions. Word has length 37 [2020-07-20 17:11:20,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 17:11:20,195 INFO L479 AbstractCegarLoop]: Abstraction has 211 states and 282 transitions. [2020-07-20 17:11:20,214 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 17:11:20,215 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 282 transitions. [2020-07-20 17:11:20,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-07-20 17:11:20,221 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 17:11:20,221 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 17:11:20,437 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:11:20,439 INFO L427 AbstractCegarLoop]: === Iteration 5 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 17:11:20,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 17:11:20,440 INFO L82 PathProgramCache]: Analyzing trace with hash 324263340, now seen corresponding path program 1 times [2020-07-20 17:11:20,441 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 17:11:20,441 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1226592376] [2020-07-20 17:11:20,442 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:11:20,639 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 17:11:20,640 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 17:11:20,654 INFO L263 TraceCheckSpWp]: Trace formula consists of 566 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-20 17:11:20,664 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 17:11:20,774 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 17:11:20,774 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 17:11:20,775 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1226592376] [2020-07-20 17:11:20,775 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 17:11:20,775 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-20 17:11:20,778 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [719914749] [2020-07-20 17:11:20,779 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 17:11:20,780 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 17:11:20,780 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 17:11:20,782 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-20 17:11:20,783 INFO L87 Difference]: Start difference. First operand 211 states and 282 transitions. Second operand 5 states. [2020-07-20 17:11:21,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 17:11:21,166 INFO L93 Difference]: Finished difference Result 324 states and 428 transitions. [2020-07-20 17:11:21,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-20 17:11:21,168 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 45 [2020-07-20 17:11:21,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 17:11:21,173 INFO L225 Difference]: With dead ends: 324 [2020-07-20 17:11:21,173 INFO L226 Difference]: Without dead ends: 258 [2020-07-20 17:11:21,180 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-20 17:11:21,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2020-07-20 17:11:21,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 229. [2020-07-20 17:11:21,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 229 states. [2020-07-20 17:11:21,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 303 transitions. [2020-07-20 17:11:21,248 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 303 transitions. Word has length 45 [2020-07-20 17:11:21,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 17:11:21,253 INFO L479 AbstractCegarLoop]: Abstraction has 229 states and 303 transitions. [2020-07-20 17:11:21,253 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 17:11:21,254 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 303 transitions. [2020-07-20 17:11:21,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-07-20 17:11:21,271 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 17:11:21,271 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 17:11:21,486 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:11:21,486 INFO L427 AbstractCegarLoop]: === Iteration 6 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 17:11:21,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 17:11:21,487 INFO L82 PathProgramCache]: Analyzing trace with hash 1473664029, now seen corresponding path program 1 times [2020-07-20 17:11:21,488 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 17:11:21,488 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1718001410] [2020-07-20 17:11:21,489 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:11:21,662 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 17:11:21,663 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 17:11:21,668 INFO L263 TraceCheckSpWp]: Trace formula consists of 565 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-20 17:11:21,673 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 17:11:21,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 17:11:21,696 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 17:11:21,696 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1718001410] [2020-07-20 17:11:21,697 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 17:11:21,697 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 17:11:21,697 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1236986761] [2020-07-20 17:11:21,698 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 17:11:21,699 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 17:11:21,699 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 17:11:21,700 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 17:11:21,700 INFO L87 Difference]: Start difference. First operand 229 states and 303 transitions. Second operand 3 states. [2020-07-20 17:11:21,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 17:11:21,746 INFO L93 Difference]: Finished difference Result 285 states and 370 transitions. [2020-07-20 17:11:21,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 17:11:21,747 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 45 [2020-07-20 17:11:21,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 17:11:21,750 INFO L225 Difference]: With dead ends: 285 [2020-07-20 17:11:21,751 INFO L226 Difference]: Without dead ends: 221 [2020-07-20 17:11:21,753 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 42 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 17:11:21,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2020-07-20 17:11:21,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 200. [2020-07-20 17:11:21,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 200 states. [2020-07-20 17:11:21,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 264 transitions. [2020-07-20 17:11:21,777 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 264 transitions. Word has length 45 [2020-07-20 17:11:21,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 17:11:21,777 INFO L479 AbstractCegarLoop]: Abstraction has 200 states and 264 transitions. [2020-07-20 17:11:21,777 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 17:11:21,778 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 264 transitions. [2020-07-20 17:11:21,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-07-20 17:11:21,779 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 17:11:21,780 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 17:11:21,994 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:11:21,995 INFO L427 AbstractCegarLoop]: === Iteration 7 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 17:11:21,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 17:11:21,996 INFO L82 PathProgramCache]: Analyzing trace with hash 726030577, now seen corresponding path program 1 times [2020-07-20 17:11:21,996 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 17:11:21,997 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [626789186] [2020-07-20 17:11:21,997 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:11:22,184 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 17:11:22,185 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 17:11:22,189 INFO L263 TraceCheckSpWp]: Trace formula consists of 574 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-20 17:11:22,195 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 17:11:22,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 17:11:22,213 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 17:11:22,213 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [626789186] [2020-07-20 17:11:22,214 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 17:11:22,214 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 17:11:22,215 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1310557320] [2020-07-20 17:11:22,215 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 17:11:22,216 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 17:11:22,216 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 17:11:22,216 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 17:11:22,216 INFO L87 Difference]: Start difference. First operand 200 states and 264 transitions. Second operand 3 states. [2020-07-20 17:11:22,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 17:11:22,324 INFO L93 Difference]: Finished difference Result 259 states and 339 transitions. [2020-07-20 17:11:22,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 17:11:22,324 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 51 [2020-07-20 17:11:22,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 17:11:22,327 INFO L225 Difference]: With dead ends: 259 [2020-07-20 17:11:22,328 INFO L226 Difference]: Without dead ends: 198 [2020-07-20 17:11:22,329 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 17:11:22,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2020-07-20 17:11:22,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 198. [2020-07-20 17:11:22,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 198 states. [2020-07-20 17:11:22,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 260 transitions. [2020-07-20 17:11:22,348 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 260 transitions. Word has length 51 [2020-07-20 17:11:22,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 17:11:22,349 INFO L479 AbstractCegarLoop]: Abstraction has 198 states and 260 transitions. [2020-07-20 17:11:22,350 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 17:11:22,350 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 260 transitions. [2020-07-20 17:11:22,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-07-20 17:11:22,352 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 17:11:22,352 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 17:11:22,567 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:11:22,568 INFO L427 AbstractCegarLoop]: === Iteration 8 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 17:11:22,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 17:11:22,569 INFO L82 PathProgramCache]: Analyzing trace with hash 572107035, now seen corresponding path program 1 times [2020-07-20 17:11:22,570 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 17:11:22,570 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1554214132] [2020-07-20 17:11:22,570 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:11:22,663 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 1 check-sat command(s) [2020-07-20 17:11:22,664 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 17:11:22,667 INFO L263 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-20 17:11:22,671 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 17:11:22,767 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 17:11:22,768 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 17:11:22,769 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1554214132] [2020-07-20 17:11:22,769 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 17:11:22,769 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 17:11:22,770 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1694156877] [2020-07-20 17:11:22,770 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 17:11:22,771 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 17:11:22,771 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 17:11:22,771 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-07-20 17:11:22,771 INFO L87 Difference]: Start difference. First operand 198 states and 260 transitions. Second operand 6 states. [2020-07-20 17:11:23,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 17:11:23,260 INFO L93 Difference]: Finished difference Result 233 states and 304 transitions. [2020-07-20 17:11:23,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-20 17:11:23,261 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 50 [2020-07-20 17:11:23,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 17:11:23,264 INFO L225 Difference]: With dead ends: 233 [2020-07-20 17:11:23,264 INFO L226 Difference]: Without dead ends: 209 [2020-07-20 17:11:23,266 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 44 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2020-07-20 17:11:23,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2020-07-20 17:11:23,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 204. [2020-07-20 17:11:23,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 204 states. [2020-07-20 17:11:23,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 266 transitions. [2020-07-20 17:11:23,287 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 266 transitions. Word has length 50 [2020-07-20 17:11:23,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 17:11:23,288 INFO L479 AbstractCegarLoop]: Abstraction has 204 states and 266 transitions. [2020-07-20 17:11:23,288 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 17:11:23,288 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 266 transitions. [2020-07-20 17:11:23,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-20 17:11:23,290 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 17:11:23,290 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 17:11:23,501 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:11:23,502 INFO L427 AbstractCegarLoop]: === Iteration 9 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 17:11:23,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 17:11:23,503 INFO L82 PathProgramCache]: Analyzing trace with hash 1461171158, now seen corresponding path program 1 times [2020-07-20 17:11:23,503 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 17:11:23,504 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1246872910] [2020-07-20 17:11:23,504 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:11:23,662 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 17:11:23,662 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 17:11:23,665 INFO L263 TraceCheckSpWp]: Trace formula consists of 557 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-20 17:11:23,671 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 17:11:23,699 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 17:11:23,700 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 17:11:23,701 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1246872910] [2020-07-20 17:11:23,701 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 17:11:23,701 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 17:11:23,702 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [734760747] [2020-07-20 17:11:23,703 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 17:11:23,703 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 17:11:23,704 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 17:11:23,704 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 17:11:23,704 INFO L87 Difference]: Start difference. First operand 204 states and 266 transitions. Second operand 3 states. [2020-07-20 17:11:23,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 17:11:23,749 INFO L93 Difference]: Finished difference Result 213 states and 277 transitions. [2020-07-20 17:11:23,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 17:11:23,750 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2020-07-20 17:11:23,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 17:11:23,754 INFO L225 Difference]: With dead ends: 213 [2020-07-20 17:11:23,754 INFO L226 Difference]: Without dead ends: 107 [2020-07-20 17:11:23,756 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 17:11:23,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2020-07-20 17:11:23,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2020-07-20 17:11:23,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2020-07-20 17:11:23,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 121 transitions. [2020-07-20 17:11:23,771 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 121 transitions. Word has length 52 [2020-07-20 17:11:23,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 17:11:23,772 INFO L479 AbstractCegarLoop]: Abstraction has 107 states and 121 transitions. [2020-07-20 17:11:23,772 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 17:11:23,772 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 121 transitions. [2020-07-20 17:11:23,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-07-20 17:11:23,773 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 17:11:23,774 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 17:11:23,989 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:11:23,990 INFO L427 AbstractCegarLoop]: === Iteration 10 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 17:11:23,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 17:11:23,991 INFO L82 PathProgramCache]: Analyzing trace with hash -367309916, now seen corresponding path program 1 times [2020-07-20 17:11:23,992 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 17:11:23,993 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1501379328] [2020-07-20 17:11:23,993 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:11:24,116 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 2 check-sat command(s) [2020-07-20 17:11:24,116 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 17:11:24,121 INFO L263 TraceCheckSpWp]: Trace formula consists of 355 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 17:11:24,139 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 17:11:24,214 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 17:11:24,215 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 17:11:24,216 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1501379328] [2020-07-20 17:11:24,216 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 17:11:24,216 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-20 17:11:24,217 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954566783] [2020-07-20 17:11:24,218 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-20 17:11:24,218 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 17:11:24,219 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-20 17:11:24,219 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-20 17:11:24,220 INFO L87 Difference]: Start difference. First operand 107 states and 121 transitions. Second operand 4 states. [2020-07-20 17:11:24,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 17:11:24,344 INFO L93 Difference]: Finished difference Result 117 states and 132 transitions. [2020-07-20 17:11:24,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-20 17:11:24,346 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 59 [2020-07-20 17:11:24,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 17:11:24,348 INFO L225 Difference]: With dead ends: 117 [2020-07-20 17:11:24,348 INFO L226 Difference]: Without dead ends: 91 [2020-07-20 17:11:24,349 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 55 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-20 17:11:24,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2020-07-20 17:11:24,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2020-07-20 17:11:24,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2020-07-20 17:11:24,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 102 transitions. [2020-07-20 17:11:24,367 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 102 transitions. Word has length 59 [2020-07-20 17:11:24,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 17:11:24,367 INFO L479 AbstractCegarLoop]: Abstraction has 91 states and 102 transitions. [2020-07-20 17:11:24,368 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-20 17:11:24,369 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 102 transitions. [2020-07-20 17:11:24,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-07-20 17:11:24,370 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 17:11:24,370 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 17:11:24,585 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:11:24,586 INFO L427 AbstractCegarLoop]: === Iteration 11 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 17:11:24,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 17:11:24,587 INFO L82 PathProgramCache]: Analyzing trace with hash -14076392, now seen corresponding path program 1 times [2020-07-20 17:11:24,588 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 17:11:24,589 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [497719457] [2020-07-20 17:11:24,590 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:11:24,799 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 17:11:24,800 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 17:11:24,805 INFO L263 TraceCheckSpWp]: Trace formula consists of 629 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-20 17:11:24,814 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 17:11:24,838 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 17:11:24,839 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 17:11:24,840 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [497719457] [2020-07-20 17:11:24,840 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 17:11:24,840 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 17:11:24,840 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [431128196] [2020-07-20 17:11:24,841 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 17:11:24,842 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 17:11:24,842 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 17:11:24,845 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 17:11:24,846 INFO L87 Difference]: Start difference. First operand 91 states and 102 transitions. Second operand 3 states. [2020-07-20 17:11:24,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 17:11:24,903 INFO L93 Difference]: Finished difference Result 107 states and 119 transitions. [2020-07-20 17:11:24,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 17:11:24,904 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 61 [2020-07-20 17:11:24,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 17:11:24,906 INFO L225 Difference]: With dead ends: 107 [2020-07-20 17:11:24,906 INFO L226 Difference]: Without dead ends: 102 [2020-07-20 17:11:24,907 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 17:11:24,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2020-07-20 17:11:24,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 93. [2020-07-20 17:11:24,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2020-07-20 17:11:24,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 103 transitions. [2020-07-20 17:11:24,925 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 103 transitions. Word has length 61 [2020-07-20 17:11:24,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 17:11:24,928 INFO L479 AbstractCegarLoop]: Abstraction has 93 states and 103 transitions. [2020-07-20 17:11:24,928 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 17:11:24,928 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 103 transitions. [2020-07-20 17:11:24,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-07-20 17:11:24,930 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 17:11:24,930 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 17:11:25,144 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:11:25,145 INFO L427 AbstractCegarLoop]: === Iteration 12 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 17:11:25,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 17:11:25,145 INFO L82 PathProgramCache]: Analyzing trace with hash 1135324297, now seen corresponding path program 1 times [2020-07-20 17:11:25,146 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 17:11:25,146 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1409323921] [2020-07-20 17:11:25,147 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:11:25,324 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 17:11:25,324 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 17:11:25,330 INFO L263 TraceCheckSpWp]: Trace formula consists of 634 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-20 17:11:25,334 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 17:11:25,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 17:11:25,360 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 17:11:25,361 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1409323921] [2020-07-20 17:11:25,362 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 17:11:25,362 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 17:11:25,362 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1649335261] [2020-07-20 17:11:25,363 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 17:11:25,363 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 17:11:25,364 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 17:11:25,364 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 17:11:25,365 INFO L87 Difference]: Start difference. First operand 93 states and 103 transitions. Second operand 3 states. [2020-07-20 17:11:25,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 17:11:25,400 INFO L93 Difference]: Finished difference Result 129 states and 145 transitions. [2020-07-20 17:11:25,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 17:11:25,401 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 61 [2020-07-20 17:11:25,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 17:11:25,403 INFO L225 Difference]: With dead ends: 129 [2020-07-20 17:11:25,404 INFO L226 Difference]: Without dead ends: 99 [2020-07-20 17:11:25,405 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 17:11:25,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2020-07-20 17:11:25,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 96. [2020-07-20 17:11:25,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2020-07-20 17:11:25,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 106 transitions. [2020-07-20 17:11:25,421 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 106 transitions. Word has length 61 [2020-07-20 17:11:25,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 17:11:25,422 INFO L479 AbstractCegarLoop]: Abstraction has 96 states and 106 transitions. [2020-07-20 17:11:25,422 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 17:11:25,422 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 106 transitions. [2020-07-20 17:11:25,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-07-20 17:11:25,423 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 17:11:25,423 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 17:11:25,639 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:11:25,640 INFO L427 AbstractCegarLoop]: === Iteration 13 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 17:11:25,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 17:11:25,641 INFO L82 PathProgramCache]: Analyzing trace with hash -1685130741, now seen corresponding path program 1 times [2020-07-20 17:11:25,642 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 17:11:25,643 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1881935846] [2020-07-20 17:11:25,643 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:11:25,897 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 17:11:25,898 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 17:11:25,903 INFO L263 TraceCheckSpWp]: Trace formula consists of 629 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-20 17:11:25,908 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 17:11:25,977 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 17:11:25,978 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 17:11:25,979 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1881935846] [2020-07-20 17:11:25,979 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 17:11:25,980 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-20 17:11:25,980 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1304247232] [2020-07-20 17:11:25,982 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 17:11:25,982 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 17:11:25,983 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 17:11:25,983 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-20 17:11:25,984 INFO L87 Difference]: Start difference. First operand 96 states and 106 transitions. Second operand 5 states. [2020-07-20 17:11:26,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 17:11:26,098 INFO L93 Difference]: Finished difference Result 99 states and 108 transitions. [2020-07-20 17:11:26,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-20 17:11:26,099 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 62 [2020-07-20 17:11:26,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 17:11:26,100 INFO L225 Difference]: With dead ends: 99 [2020-07-20 17:11:26,100 INFO L226 Difference]: Without dead ends: 80 [2020-07-20 17:11:26,101 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-20 17:11:26,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2020-07-20 17:11:26,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2020-07-20 17:11:26,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2020-07-20 17:11:26,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 87 transitions. [2020-07-20 17:11:26,114 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 87 transitions. Word has length 62 [2020-07-20 17:11:26,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 17:11:26,114 INFO L479 AbstractCegarLoop]: Abstraction has 80 states and 87 transitions. [2020-07-20 17:11:26,114 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 17:11:26,115 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 87 transitions. [2020-07-20 17:11:26,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-07-20 17:11:26,116 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 17:11:26,116 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 17:11:26,331 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:11:26,333 INFO L427 AbstractCegarLoop]: === Iteration 14 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 17:11:26,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 17:11:26,334 INFO L82 PathProgramCache]: Analyzing trace with hash 475938380, now seen corresponding path program 1 times [2020-07-20 17:11:26,334 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 17:11:26,335 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [713909833] [2020-07-20 17:11:26,335 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:11:26,522 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 17:11:26,523 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 17:11:26,528 INFO L263 TraceCheckSpWp]: Trace formula consists of 638 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-20 17:11:26,532 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 17:11:26,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 17:11:26,584 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 17:11:26,585 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [713909833] [2020-07-20 17:11:26,585 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 17:11:26,586 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 17:11:26,586 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [303446446] [2020-07-20 17:11:26,587 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 17:11:26,587 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 17:11:26,587 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 17:11:26,587 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-20 17:11:26,588 INFO L87 Difference]: Start difference. First operand 80 states and 87 transitions. Second operand 6 states. [2020-07-20 17:11:26,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 17:11:26,645 INFO L93 Difference]: Finished difference Result 87 states and 93 transitions. [2020-07-20 17:11:26,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 17:11:26,646 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 62 [2020-07-20 17:11:26,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 17:11:26,647 INFO L225 Difference]: With dead ends: 87 [2020-07-20 17:11:26,648 INFO L226 Difference]: Without dead ends: 80 [2020-07-20 17:11:26,648 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-20 17:11:26,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2020-07-20 17:11:26,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2020-07-20 17:11:26,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2020-07-20 17:11:26,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 86 transitions. [2020-07-20 17:11:26,659 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 86 transitions. Word has length 62 [2020-07-20 17:11:26,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 17:11:26,660 INFO L479 AbstractCegarLoop]: Abstraction has 80 states and 86 transitions. [2020-07-20 17:11:26,660 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 17:11:26,660 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 86 transitions. [2020-07-20 17:11:26,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-07-20 17:11:26,661 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 17:11:26,662 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 17:11:26,878 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:11:26,878 INFO L427 AbstractCegarLoop]: === Iteration 15 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 17:11:26,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 17:11:26,879 INFO L82 PathProgramCache]: Analyzing trace with hash 359859562, now seen corresponding path program 1 times [2020-07-20 17:11:26,879 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 17:11:26,879 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1228950240] [2020-07-20 17:11:26,879 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:11:27,030 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 17:11:27,031 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 17:11:27,035 INFO L263 TraceCheckSpWp]: Trace formula consists of 657 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-20 17:11:27,039 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 17:11:27,058 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 17:11:27,058 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 17:11:27,059 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1228950240] [2020-07-20 17:11:27,059 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 17:11:27,059 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 17:11:27,060 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [510776393] [2020-07-20 17:11:27,060 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 17:11:27,060 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 17:11:27,061 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 17:11:27,061 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 17:11:27,061 INFO L87 Difference]: Start difference. First operand 80 states and 86 transitions. Second operand 3 states. [2020-07-20 17:11:27,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 17:11:27,086 INFO L93 Difference]: Finished difference Result 96 states and 103 transitions. [2020-07-20 17:11:27,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 17:11:27,087 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 63 [2020-07-20 17:11:27,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 17:11:27,089 INFO L225 Difference]: With dead ends: 96 [2020-07-20 17:11:27,090 INFO L226 Difference]: Without dead ends: 76 [2020-07-20 17:11:27,093 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 17:11:27,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2020-07-20 17:11:27,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2020-07-20 17:11:27,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2020-07-20 17:11:27,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 80 transitions. [2020-07-20 17:11:27,114 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 80 transitions. Word has length 63 [2020-07-20 17:11:27,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 17:11:27,115 INFO L479 AbstractCegarLoop]: Abstraction has 76 states and 80 transitions. [2020-07-20 17:11:27,115 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 17:11:27,116 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 80 transitions. [2020-07-20 17:11:27,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-07-20 17:11:27,117 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 17:11:27,117 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 17:11:27,333 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:11:27,334 INFO L427 AbstractCegarLoop]: === Iteration 16 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 17:11:27,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 17:11:27,335 INFO L82 PathProgramCache]: Analyzing trace with hash 1228040100, now seen corresponding path program 1 times [2020-07-20 17:11:27,335 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 17:11:27,335 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1624337577] [2020-07-20 17:11:27,336 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:11:27,464 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 2 check-sat command(s) [2020-07-20 17:11:27,464 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 17:11:27,466 INFO L263 TraceCheckSpWp]: Trace formula consists of 367 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 17:11:27,468 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 17:11:27,489 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 17:11:27,489 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 17:11:27,490 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1624337577] [2020-07-20 17:11:27,490 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 17:11:27,491 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 17:11:27,491 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [443264628] [2020-07-20 17:11:27,492 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 17:11:27,492 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 17:11:27,493 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 17:11:27,493 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 17:11:27,493 INFO L87 Difference]: Start difference. First operand 76 states and 80 transitions. Second operand 3 states. [2020-07-20 17:11:27,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 17:11:27,531 INFO L93 Difference]: Finished difference Result 141 states and 148 transitions. [2020-07-20 17:11:27,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 17:11:27,532 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 63 [2020-07-20 17:11:27,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 17:11:27,534 INFO L225 Difference]: With dead ends: 141 [2020-07-20 17:11:27,534 INFO L226 Difference]: Without dead ends: 134 [2020-07-20 17:11:27,535 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 17:11:27,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2020-07-20 17:11:27,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 133. [2020-07-20 17:11:27,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2020-07-20 17:11:27,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 140 transitions. [2020-07-20 17:11:27,552 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 140 transitions. Word has length 63 [2020-07-20 17:11:27,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 17:11:27,552 INFO L479 AbstractCegarLoop]: Abstraction has 133 states and 140 transitions. [2020-07-20 17:11:27,553 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 17:11:27,553 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 140 transitions. [2020-07-20 17:11:27,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-07-20 17:11:27,554 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 17:11:27,554 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 17:11:27,769 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:11:27,769 INFO L427 AbstractCegarLoop]: === Iteration 17 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 17:11:27,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 17:11:27,770 INFO L82 PathProgramCache]: Analyzing trace with hash -1291919834, now seen corresponding path program 1 times [2020-07-20 17:11:27,770 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 17:11:27,770 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2091645475] [2020-07-20 17:11:27,770 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:11:27,922 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 17:11:27,922 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 17:11:27,926 INFO L263 TraceCheckSpWp]: Trace formula consists of 639 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-20 17:11:27,929 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 17:11:27,968 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 17:11:27,969 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 17:11:27,969 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2091645475] [2020-07-20 17:11:27,970 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 17:11:27,970 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 17:11:27,970 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1982185561] [2020-07-20 17:11:27,971 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 17:11:27,971 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 17:11:27,971 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 17:11:27,972 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-20 17:11:27,972 INFO L87 Difference]: Start difference. First operand 133 states and 140 transitions. Second operand 6 states. [2020-07-20 17:11:28,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 17:11:28,026 INFO L93 Difference]: Finished difference Result 144 states and 151 transitions. [2020-07-20 17:11:28,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 17:11:28,027 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 63 [2020-07-20 17:11:28,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 17:11:28,028 INFO L225 Difference]: With dead ends: 144 [2020-07-20 17:11:28,029 INFO L226 Difference]: Without dead ends: 133 [2020-07-20 17:11:28,030 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-20 17:11:28,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2020-07-20 17:11:28,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133. [2020-07-20 17:11:28,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2020-07-20 17:11:28,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 138 transitions. [2020-07-20 17:11:28,045 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 138 transitions. Word has length 63 [2020-07-20 17:11:28,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 17:11:28,046 INFO L479 AbstractCegarLoop]: Abstraction has 133 states and 138 transitions. [2020-07-20 17:11:28,046 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 17:11:28,046 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 138 transitions. [2020-07-20 17:11:28,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2020-07-20 17:11:28,048 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 17:11:28,048 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 17:11:28,262 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:11:28,263 INFO L427 AbstractCegarLoop]: === Iteration 18 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 17:11:28,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 17:11:28,264 INFO L82 PathProgramCache]: Analyzing trace with hash 1154361885, now seen corresponding path program 1 times [2020-07-20 17:11:28,265 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 17:11:28,266 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1004054898] [2020-07-20 17:11:28,266 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:11:28,424 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 17:11:28,425 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 17:11:28,428 INFO L263 TraceCheckSpWp]: Trace formula consists of 660 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-20 17:11:28,433 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 17:11:28,462 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 17:11:28,463 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 17:11:28,464 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1004054898] [2020-07-20 17:11:28,464 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 17:11:28,464 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-20 17:11:28,465 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [408886974] [2020-07-20 17:11:28,466 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 17:11:28,466 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 17:11:28,466 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 17:11:28,466 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-20 17:11:28,467 INFO L87 Difference]: Start difference. First operand 133 states and 138 transitions. Second operand 5 states. [2020-07-20 17:11:28,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 17:11:28,613 INFO L93 Difference]: Finished difference Result 133 states and 138 transitions. [2020-07-20 17:11:28,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-20 17:11:28,616 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 74 [2020-07-20 17:11:28,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 17:11:28,617 INFO L225 Difference]: With dead ends: 133 [2020-07-20 17:11:28,618 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 17:11:28,619 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-07-20 17:11:28,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 17:11:28,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 17:11:28,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 17:11:28,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 17:11:28,621 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 74 [2020-07-20 17:11:28,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 17:11:28,622 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 17:11:28,622 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 17:11:28,622 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 17:11:28,622 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 17:11:28,834 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:11:28,839 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 17:11:29,802 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 32 [2020-07-20 17:11:30,000 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 40 [2020-07-20 17:11:30,298 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 41 [2020-07-20 17:11:30,506 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 41 [2020-07-20 17:11:30,864 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 49 [2020-07-20 17:11:30,969 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 38 [2020-07-20 17:11:31,215 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 44 [2020-07-20 17:11:31,575 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 47 [2020-07-20 17:11:31,758 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 37 [2020-07-20 17:11:31,945 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 38 [2020-07-20 17:11:32,098 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 40 [2020-07-20 17:11:32,288 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 41 [2020-07-20 17:11:32,440 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 41 [2020-07-20 17:11:32,610 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 37 [2020-07-20 17:11:32,880 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 56 [2020-07-20 17:11:33,077 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 47 [2020-07-20 17:11:33,222 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 37 [2020-07-20 17:11:33,413 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 48 [2020-07-20 17:11:33,595 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 41 [2020-07-20 17:11:33,753 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 37 [2020-07-20 17:11:33,906 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 44 [2020-07-20 17:11:34,031 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 37 [2020-07-20 17:11:34,160 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 37 [2020-07-20 17:11:34,352 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 40 [2020-07-20 17:11:34,513 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 44 [2020-07-20 17:11:34,705 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 37 [2020-07-20 17:11:34,827 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 38 [2020-07-20 17:11:34,888 INFO L271 CegarLoopResult]: At program point KeSetEventENTRY(lines 513 520) the Hoare annotation is: true [2020-07-20 17:11:34,888 INFO L268 CegarLoopResult]: For program point KeSetEventFINAL(lines 513 520) no Hoare annotation was computed. [2020-07-20 17:11:34,888 INFO L268 CegarLoopResult]: For program point KeSetEventEXIT(lines 513 520) no Hoare annotation was computed. [2020-07-20 17:11:34,889 INFO L271 CegarLoopResult]: At program point KbFilter_CompleteENTRY(lines 563 573) the Hoare annotation is: true [2020-07-20 17:11:34,889 INFO L271 CegarLoopResult]: At program point L569(line 569) the Hoare annotation is: true [2020-07-20 17:11:34,889 INFO L268 CegarLoopResult]: For program point L569-1(line 569) no Hoare annotation was computed. [2020-07-20 17:11:34,889 INFO L268 CegarLoopResult]: For program point KbFilter_CompleteFINAL(lines 563 573) no Hoare annotation was computed. [2020-07-20 17:11:34,889 INFO L268 CegarLoopResult]: For program point KbFilter_CompleteEXIT(lines 563 573) no Hoare annotation was computed. [2020-07-20 17:11:34,889 INFO L268 CegarLoopResult]: For program point stub_driver_initEXIT(lines 35 48) no Hoare annotation was computed. [2020-07-20 17:11:34,890 INFO L264 CegarLoopResult]: At program point stub_driver_initENTRY(lines 35 48) the Hoare annotation is: (or (not (<= ~MPR3~0 6)) (not (<= 3 ~SKIP1~0)) (not (<= 7 ~IPC~0)) (not (<= 5 ~MPR1~0)) (not (= ~NP~0 |old(~s~0)|)) (and (not (= 1 ~pended~0)) (= ~s~0 |old(~s~0)|) (= 0 ~compRegistered~0)) (not (<= ~NP~0 1)) (not (<= 6 ~MPR3~0)) (= 1 |old(~pended~0)|) (not (= 0 |old(~compRegistered~0)|))) [2020-07-20 17:11:34,890 INFO L268 CegarLoopResult]: For program point stub_driver_initFINAL(lines 35 48) no Hoare annotation was computed. [2020-07-20 17:11:34,890 INFO L268 CegarLoopResult]: For program point _BLAST_initFINAL(lines 49 70) no Hoare annotation was computed. [2020-07-20 17:11:34,890 INFO L264 CegarLoopResult]: At program point _BLAST_initENTRY(lines 49 70) the Hoare annotation is: (or (and (= ~s~0 ~NP~0) (= ~MPR1~0 ~s~0) (= ~s~0 ~UNLOADED~0) (not (= 1 ~pended~0)) (= ~s~0 |old(~s~0)|) (= ~MPR3~0 ~s~0) (= 0 ~compRegistered~0) (= ~SKIP1~0 ~s~0)) (not (= |old(~s~0)| |old(~NP~0)|)) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (= 1 |old(~pended~0)|) (not (= 0 |old(~compRegistered~0)|)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (not (= |old(~s~0)| |old(~MPR3~0)|)) (not (= |old(~UNLOADED~0)| |old(~s~0)|))) [2020-07-20 17:11:34,890 INFO L268 CegarLoopResult]: For program point _BLAST_initEXIT(lines 49 70) no Hoare annotation was computed. [2020-07-20 17:11:34,891 INFO L271 CegarLoopResult]: At program point errorFnENTRY(lines 575 582) the Hoare annotation is: true [2020-07-20 17:11:34,891 INFO L268 CegarLoopResult]: For program point errorFnFINAL(lines 575 582) no Hoare annotation was computed. [2020-07-20 17:11:34,891 INFO L268 CegarLoopResult]: For program point errorFnEXIT(lines 575 582) no Hoare annotation was computed. [2020-07-20 17:11:34,891 INFO L268 CegarLoopResult]: For program point errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION(line 579) no Hoare annotation was computed. [2020-07-20 17:11:34,891 INFO L264 CegarLoopResult]: At program point L382(lines 375 415) the Hoare annotation is: (or (and (<= 3 ~SKIP1~0) (<= ~NP~0 1) (<= 7 ~IPC~0) (not (= 1 ~pended~0)) (<= ~MPR3~0 6)) (not (= |old(~s~0)| |old(~NP~0)|)) (= ~s~0 ~UNLOADED~0) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (= 1 |old(~pended~0)|) (not (= 0 |old(~compRegistered~0)|)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (not (= |old(~s~0)| |old(~MPR3~0)|)) (not (= |old(~UNLOADED~0)| |old(~s~0)|))) [2020-07-20 17:11:34,891 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 286 420) no Hoare annotation was computed. [2020-07-20 17:11:34,892 INFO L268 CegarLoopResult]: For program point L407(lines 407 409) no Hoare annotation was computed. [2020-07-20 17:11:34,892 INFO L264 CegarLoopResult]: At program point L374(lines 367 416) the Hoare annotation is: (or (and (<= 3 ~SKIP1~0) (<= ~NP~0 1) (<= 7 ~IPC~0) (not (= 1 ~pended~0)) (<= ~MPR3~0 6)) (not (= |old(~s~0)| |old(~NP~0)|)) (= ~s~0 ~UNLOADED~0) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (= 1 |old(~pended~0)|) (not (= 0 |old(~compRegistered~0)|)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (not (= |old(~s~0)| |old(~MPR3~0)|)) (not (= |old(~UNLOADED~0)| |old(~s~0)|))) [2020-07-20 17:11:34,892 INFO L268 CegarLoopResult]: For program point L383(lines 367 416) no Hoare annotation was computed. [2020-07-20 17:11:34,892 INFO L268 CegarLoopResult]: For program point L350(lines 350 365) no Hoare annotation was computed. [2020-07-20 17:11:34,892 INFO L268 CegarLoopResult]: For program point L384(lines 384 413) no Hoare annotation was computed. [2020-07-20 17:11:34,892 INFO L264 CegarLoopResult]: At program point L351(lines 350 365) the Hoare annotation is: (or (not (= |old(~s~0)| |old(~NP~0)|)) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (= 1 |old(~pended~0)|) (not (= 0 |old(~compRegistered~0)|)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (not (= |old(~s~0)| |old(~MPR3~0)|)) (and (<= 3 ~SKIP1~0) (<= ~NP~0 1) (<= 7 ~IPC~0) (= ~s~0 ~NP~0) (not (= 1 ~pended~0)) (<= 5 ~MPR1~0) (= 0 ~compRegistered~0) (<= 6 ~MPR3~0) (<= ~MPR3~0 6)) (not (= |old(~UNLOADED~0)| |old(~s~0)|))) [2020-07-20 17:11:34,892 INFO L268 CegarLoopResult]: For program point L376(lines 376 380) no Hoare annotation was computed. [2020-07-20 17:11:34,893 INFO L268 CegarLoopResult]: For program point L368(lines 368 372) no Hoare annotation was computed. [2020-07-20 17:11:34,893 INFO L268 CegarLoopResult]: For program point L335(lines 321 366) no Hoare annotation was computed. [2020-07-20 17:11:34,893 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 286 420) no Hoare annotation was computed. [2020-07-20 17:11:34,893 INFO L268 CegarLoopResult]: For program point L385(lines 385 412) no Hoare annotation was computed. [2020-07-20 17:11:34,893 INFO L264 CegarLoopResult]: At program point L319(line 319) the Hoare annotation is: (or (not (= |old(~s~0)| |old(~NP~0)|)) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (= 1 |old(~pended~0)|) (not (= 0 |old(~compRegistered~0)|)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (not (= |old(~s~0)| |old(~MPR3~0)|)) (not (= |old(~UNLOADED~0)| |old(~s~0)|)) (and (= ~s~0 ~NP~0) (= ~MPR1~0 ~s~0) (= ~s~0 ~UNLOADED~0) (not (= 1 ~pended~0)) (= ~MPR3~0 ~s~0) (= 0 ~compRegistered~0) (= ~SKIP1~0 ~s~0))) [2020-07-20 17:11:34,893 INFO L268 CegarLoopResult]: For program point L319-1(lines 295 419) no Hoare annotation was computed. [2020-07-20 17:11:34,893 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 286 420) the Hoare annotation is: (or (and (= ~s~0 ~NP~0) (= ~MPR1~0 ~s~0) (= ~s~0 ~UNLOADED~0) (not (= 1 ~pended~0)) (= ~s~0 |old(~s~0)|) (= ~MPR3~0 ~s~0) (= 0 ~compRegistered~0) (= ~SKIP1~0 ~s~0)) (not (= |old(~s~0)| |old(~NP~0)|)) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (= 1 |old(~pended~0)|) (not (= 0 |old(~compRegistered~0)|)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (not (= |old(~s~0)| |old(~MPR3~0)|)) (not (= |old(~UNLOADED~0)| |old(~s~0)|))) [2020-07-20 17:11:34,894 INFO L268 CegarLoopResult]: For program point L402(lines 402 410) no Hoare annotation was computed. [2020-07-20 17:11:34,894 INFO L264 CegarLoopResult]: At program point L394(lines 385 412) the Hoare annotation is: (or (and (<= 3 ~SKIP1~0) (<= ~NP~0 1) (<= 7 ~IPC~0) (not (= 1 ~pended~0)) (<= ~MPR3~0 6)) (not (= |old(~s~0)| |old(~NP~0)|)) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (= 1 |old(~pended~0)|) (not (= 0 |old(~compRegistered~0)|)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (not (= |old(~s~0)| |old(~MPR3~0)|)) (not (= |old(~UNLOADED~0)| |old(~s~0)|))) [2020-07-20 17:11:34,894 INFO L268 CegarLoopResult]: For program point L386(lines 386 392) no Hoare annotation was computed. [2020-07-20 17:11:34,894 INFO L271 CegarLoopResult]: At program point L353(lines 352 365) the Hoare annotation is: true [2020-07-20 17:11:34,894 INFO L268 CegarLoopResult]: For program point L403(lines 403 405) no Hoare annotation was computed. [2020-07-20 17:11:34,895 INFO L268 CegarLoopResult]: For program point L387(lines 387 389) no Hoare annotation was computed. [2020-07-20 17:11:34,895 INFO L264 CegarLoopResult]: At program point L321(lines 295 419) the Hoare annotation is: (or (and (<= 3 ~SKIP1~0) (<= ~NP~0 1) (<= 7 ~IPC~0) (not (= 1 ~pended~0)) (<= ~MPR3~0 6)) (not (= |old(~s~0)| |old(~NP~0)|)) (= ~s~0 ~UNLOADED~0) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (= 1 |old(~pended~0)|) (not (= 0 |old(~compRegistered~0)|)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (not (= |old(~s~0)| |old(~MPR3~0)|)) (not (= |old(~UNLOADED~0)| |old(~s~0)|))) [2020-07-20 17:11:34,895 INFO L268 CegarLoopResult]: For program point L338-1(lines 337 347) no Hoare annotation was computed. [2020-07-20 17:11:34,895 INFO L268 CegarLoopResult]: For program point L396(lines 396 400) no Hoare annotation was computed. [2020-07-20 17:11:34,895 INFO L268 CegarLoopResult]: For program point L330(lines 330 333) no Hoare annotation was computed. [2020-07-20 17:11:34,896 INFO L264 CegarLoopResult]: At program point L330-2(lines 330 333) the Hoare annotation is: (or (not (= |old(~s~0)| |old(~NP~0)|)) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (= 1 |old(~pended~0)|) (not (= 0 |old(~compRegistered~0)|)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (not (= |old(~s~0)| |old(~MPR3~0)|)) (and (<= 3 ~SKIP1~0) (<= ~NP~0 1) (<= 7 ~IPC~0) (= ~s~0 ~NP~0) (not (= 1 ~pended~0)) (<= 5 ~MPR1~0) (= 0 ~compRegistered~0) (<= 6 ~MPR3~0) (<= ~MPR3~0 6)) (not (= |old(~UNLOADED~0)| |old(~s~0)|))) [2020-07-20 17:11:34,896 INFO L264 CegarLoopResult]: At program point L398(line 398) the Hoare annotation is: (or (not (= |old(~s~0)| |old(~NP~0)|)) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (= 1 |old(~pended~0)|) (not (= 0 |old(~compRegistered~0)|)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (not (= |old(~s~0)| |old(~MPR3~0)|)) (not (= |old(~UNLOADED~0)| |old(~s~0)|))) [2020-07-20 17:11:34,896 INFO L268 CegarLoopResult]: For program point L357(line 357) no Hoare annotation was computed. [2020-07-20 17:11:34,896 INFO L268 CegarLoopResult]: For program point L477(lines 477 494) no Hoare annotation was computed. [2020-07-20 17:11:34,896 INFO L264 CegarLoopResult]: At program point L444(line 444) the Hoare annotation is: (let ((.cse0 (not (<= ~MPR3~0 6))) (.cse1 (not (<= 3 ~SKIP1~0))) (.cse2 (not (<= 7 ~IPC~0))) (.cse3 (= 1 ~pended~0)) (.cse4 (not (<= ~NP~0 1)))) (and (or .cse0 .cse1 .cse2 (not (<= 5 ~MPR1~0)) .cse3 (not (= ~NP~0 |old(~s~0)|)) (= ~s~0 |old(~s~0)|) .cse4 (not (<= 6 ~MPR3~0)) (not (<= 1 ~compRegistered~0))) (or .cse0 .cse1 (not (= ~SKIP1~0 |old(~s~0)|)) .cse2 .cse3 (not (= 0 ~compRegistered~0)) .cse4))) [2020-07-20 17:11:34,897 INFO L268 CegarLoopResult]: For program point L444-1(line 444) no Hoare annotation was computed. [2020-07-20 17:11:34,897 INFO L264 CegarLoopResult]: At program point L469(lines 442 497) the Hoare annotation is: (let ((.cse0 (not (<= ~MPR3~0 6))) (.cse1 (not (<= 3 ~SKIP1~0))) (.cse2 (not (<= 7 ~IPC~0))) (.cse3 (= 1 ~pended~0)) (.cse4 (not (<= ~NP~0 1)))) (and (or .cse0 .cse1 (not (= ~SKIP1~0 |old(~s~0)|)) .cse2 .cse3 (not (= 0 ~compRegistered~0)) .cse4 (= ~SKIP1~0 ~s~0)) (let ((.cse5 (= ~MPR1~0 ~s~0))) (or .cse0 (and .cse5 (= ~setEventCalled~0 1) (= 259 IofCallDriver_~returnVal2~0)) .cse1 (and (<= IofCallDriver_~returnVal2~0 0) .cse5) .cse2 (not (<= 5 ~MPR1~0)) .cse3 (not (= ~NP~0 |old(~s~0)|)) .cse4 (not (<= 6 ~MPR3~0)) (not (<= 1 ~compRegistered~0)))))) [2020-07-20 17:11:34,897 INFO L264 CegarLoopResult]: At program point L457(lines 456 471) the Hoare annotation is: (let ((.cse0 (not (<= ~MPR3~0 6))) (.cse1 (not (<= 3 ~SKIP1~0))) (.cse2 (not (<= 7 ~IPC~0))) (.cse3 (= 1 ~pended~0)) (.cse4 (not (<= ~NP~0 1)))) (and (or .cse0 .cse1 (not (= ~SKIP1~0 |old(~s~0)|)) .cse2 .cse3 (not (= 0 ~compRegistered~0)) .cse4 (= ~SKIP1~0 ~s~0)) (or .cse0 .cse1 .cse2 (not (<= 5 ~MPR1~0)) .cse3 (not (= ~NP~0 |old(~s~0)|)) .cse4 (not (<= 6 ~MPR3~0)) (and (= ~MPR1~0 ~s~0) (= ~setEventCalled~0 1)) (not (<= 1 ~compRegistered~0))))) [2020-07-20 17:11:34,897 INFO L268 CegarLoopResult]: For program point L486(lines 486 493) no Hoare annotation was computed. [2020-07-20 17:11:34,897 INFO L268 CegarLoopResult]: For program point L449(lines 449 472) no Hoare annotation was computed. [2020-07-20 17:11:34,898 INFO L268 CegarLoopResult]: For program point L478(lines 478 484) no Hoare annotation was computed. [2020-07-20 17:11:34,898 INFO L264 CegarLoopResult]: At program point L445(line 445) the Hoare annotation is: (let ((.cse0 (not (<= ~MPR3~0 6))) (.cse1 (not (<= 3 ~SKIP1~0))) (.cse2 (not (<= 7 ~IPC~0))) (.cse3 (= 1 ~pended~0)) (.cse4 (not (<= ~NP~0 1)))) (and (or (and (<= ~s~0 ~NP~0) (<= |old(~s~0)| ~s~0) (= ~setEventCalled~0 1)) .cse0 .cse1 .cse2 (not (<= 5 ~MPR1~0)) .cse3 (not (= ~NP~0 |old(~s~0)|)) .cse4 (not (<= 6 ~MPR3~0)) (not (<= 1 ~compRegistered~0))) (or .cse0 .cse1 (not (= ~SKIP1~0 |old(~s~0)|)) .cse2 .cse3 (not (= 0 ~compRegistered~0)) .cse4))) [2020-07-20 17:11:34,898 INFO L264 CegarLoopResult]: At program point IofCallDriverENTRY(lines 435 498) the Hoare annotation is: (let ((.cse0 (not (<= ~MPR3~0 6))) (.cse1 (not (<= 3 ~SKIP1~0))) (.cse2 (not (<= 7 ~IPC~0))) (.cse3 (= 1 ~pended~0)) (.cse4 (not (<= ~NP~0 1)))) (and (or .cse0 .cse1 (not (= ~SKIP1~0 |old(~s~0)|)) .cse2 .cse3 (not (= 0 ~compRegistered~0)) .cse4 (= ~SKIP1~0 ~s~0)) (or .cse0 .cse1 .cse2 (not (<= 5 ~MPR1~0)) .cse3 (not (= ~NP~0 |old(~s~0)|)) (= ~s~0 |old(~s~0)|) .cse4 (not (<= 6 ~MPR3~0)) (not (<= 1 ~compRegistered~0))))) [2020-07-20 17:11:34,898 INFO L264 CegarLoopResult]: At program point L491(line 491) the Hoare annotation is: (let ((.cse0 (not (<= ~MPR3~0 6))) (.cse1 (not (<= 3 ~SKIP1~0))) (.cse2 (not (<= 7 ~IPC~0))) (.cse3 (= 1 ~pended~0)) (.cse4 (not (<= ~NP~0 1)))) (and (or .cse0 .cse1 .cse2 (not (<= 5 ~MPR1~0)) .cse3 (not (= ~NP~0 |old(~s~0)|)) .cse4 (not (<= 6 ~MPR3~0)) (not (<= 1 ~compRegistered~0))) (or .cse0 .cse1 (not (= ~SKIP1~0 |old(~s~0)|)) .cse2 .cse3 (not (= 0 ~compRegistered~0)) .cse4))) [2020-07-20 17:11:34,898 INFO L268 CegarLoopResult]: For program point L491-1(lines 473 495) no Hoare annotation was computed. [2020-07-20 17:11:34,898 INFO L268 CegarLoopResult]: For program point L454(lines 454 471) no Hoare annotation was computed. [2020-07-20 17:11:34,898 INFO L264 CegarLoopResult]: At program point L450(lines 449 472) the Hoare annotation is: (let ((.cse0 (not (<= ~MPR3~0 6))) (.cse1 (not (<= 3 ~SKIP1~0))) (.cse2 (not (<= 7 ~IPC~0))) (.cse3 (= 1 ~pended~0)) (.cse4 (not (<= ~NP~0 1)))) (and (or .cse0 .cse1 (not (= ~SKIP1~0 |old(~s~0)|)) .cse2 .cse3 (not (= 0 ~compRegistered~0)) .cse4 (= ~SKIP1~0 ~s~0)) (or .cse0 .cse1 (= ~MPR1~0 ~s~0) .cse2 (not (<= 5 ~MPR1~0)) .cse3 (not (= ~NP~0 |old(~s~0)|)) .cse4 (not (<= 6 ~MPR3~0)) (not (<= 1 ~compRegistered~0))))) [2020-07-20 17:11:34,898 INFO L268 CegarLoopResult]: For program point IofCallDriverFINAL(lines 435 498) no Hoare annotation was computed. [2020-07-20 17:11:34,898 INFO L268 CegarLoopResult]: For program point IofCallDriverEXIT(lines 435 498) no Hoare annotation was computed. [2020-07-20 17:11:34,899 INFO L264 CegarLoopResult]: At program point L455(lines 454 471) the Hoare annotation is: (let ((.cse0 (not (<= ~MPR3~0 6))) (.cse1 (not (<= 3 ~SKIP1~0))) (.cse2 (not (<= 7 ~IPC~0))) (.cse3 (= 1 ~pended~0)) (.cse4 (not (<= ~NP~0 1)))) (and (or .cse0 .cse1 (not (= ~SKIP1~0 |old(~s~0)|)) .cse2 .cse3 (not (= 0 ~compRegistered~0)) .cse4 (= ~SKIP1~0 ~s~0)) (or .cse0 .cse1 (= ~MPR1~0 ~s~0) .cse2 (not (<= 5 ~MPR1~0)) .cse3 (not (= ~NP~0 |old(~s~0)|)) .cse4 (not (<= 6 ~MPR3~0)) (not (<= 1 ~compRegistered~0))))) [2020-07-20 17:11:34,899 INFO L268 CegarLoopResult]: For program point L443(lines 443 446) no Hoare annotation was computed. [2020-07-20 17:11:34,899 INFO L268 CegarLoopResult]: For program point L443-1(lines 443 446) no Hoare annotation was computed. [2020-07-20 17:11:34,899 INFO L264 CegarLoopResult]: At program point L429(line 429) the Hoare annotation is: (or (not (<= ~MPR3~0 6)) (not (<= 3 ~SKIP1~0)) (not (<= 7 ~IPC~0)) (not (<= 5 ~MPR1~0)) (= 1 ~pended~0) (not (= ~NP~0 |old(~s~0)|)) (not (<= ~NP~0 1)) (not (<= 6 ~MPR3~0)) (not (= ~setEventCalled~0 1)) (not (<= 1 ~compRegistered~0))) [2020-07-20 17:11:34,899 INFO L268 CegarLoopResult]: For program point L429-1(lines 421 434) no Hoare annotation was computed. [2020-07-20 17:11:34,899 INFO L264 CegarLoopResult]: At program point stubMoreProcessingRequiredENTRY(lines 421 434) the Hoare annotation is: (or (and (<= ~s~0 ~NP~0) (<= |old(~s~0)| ~s~0)) (not (<= ~MPR3~0 6)) (not (<= 3 ~SKIP1~0)) (not (<= 7 ~IPC~0)) (not (<= 5 ~MPR1~0)) (= 1 ~pended~0) (not (= ~NP~0 |old(~s~0)|)) (not (<= ~NP~0 1)) (not (<= 6 ~MPR3~0)) (not (= ~setEventCalled~0 1)) (not (<= 1 ~compRegistered~0))) [2020-07-20 17:11:34,899 INFO L268 CegarLoopResult]: For program point stubMoreProcessingRequiredEXIT(lines 421 434) no Hoare annotation was computed. [2020-07-20 17:11:34,899 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 17:11:34,899 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~s~0 |old(~s~0)|) [2020-07-20 17:11:34,899 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 17:11:34,900 INFO L264 CegarLoopResult]: At program point L541(line 541) the Hoare annotation is: (let ((.cse0 (not (<= ~MPR3~0 6))) (.cse1 (not (<= 3 ~SKIP1~0))) (.cse2 (not (<= 7 ~IPC~0))) (.cse3 (not (<= 5 ~MPR1~0))) (.cse4 (= 1 ~pended~0)) (.cse5 (not (<= ~NP~0 1))) (.cse6 (not (<= 6 ~MPR3~0))) (.cse7 (not (<= 1 ~compRegistered~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~NP~0 |old(~s~0)|)) .cse5 .cse6 .cse7) (or (not (= 1 |old(~setEventCalled~0)|)) (not (= ~MPR3~0 |old(~s~0)|)) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7))) [2020-07-20 17:11:34,900 INFO L268 CegarLoopResult]: For program point L539(lines 539 543) no Hoare annotation was computed. [2020-07-20 17:11:34,900 INFO L268 CegarLoopResult]: For program point L539-1(lines 526 545) no Hoare annotation was computed. [2020-07-20 17:11:34,900 INFO L268 CegarLoopResult]: For program point KeWaitForSingleObjectEXIT(lines 521 562) no Hoare annotation was computed. [2020-07-20 17:11:34,900 INFO L268 CegarLoopResult]: For program point L527(lines 527 532) no Hoare annotation was computed. [2020-07-20 17:11:34,900 INFO L268 CegarLoopResult]: For program point L548(lines 548 560) no Hoare annotation was computed. [2020-07-20 17:11:34,900 INFO L268 CegarLoopResult]: For program point KeWaitForSingleObjectFINAL(lines 521 562) no Hoare annotation was computed. [2020-07-20 17:11:34,900 INFO L264 CegarLoopResult]: At program point L534(lines 526 545) the Hoare annotation is: (let ((.cse0 (not (<= ~MPR3~0 6))) (.cse1 (not (<= 3 ~SKIP1~0))) (.cse2 (not (<= 7 ~IPC~0))) (.cse3 (not (<= 5 ~MPR1~0))) (.cse4 (= 1 ~pended~0)) (.cse5 (not (<= ~NP~0 1))) (.cse6 (not (<= 6 ~MPR3~0))) (.cse7 (not (<= 1 ~compRegistered~0)))) (and (or (not (= 1 |old(~setEventCalled~0)|)) (not (= ~MPR3~0 |old(~s~0)|)) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (or .cse0 .cse1 (= ~s~0 ~NP~0) .cse2 .cse3 .cse4 (not (= ~NP~0 |old(~s~0)|)) .cse5 .cse6 .cse7))) [2020-07-20 17:11:34,901 INFO L268 CegarLoopResult]: For program point L526(lines 526 545) no Hoare annotation was computed. [2020-07-20 17:11:34,901 INFO L264 CegarLoopResult]: At program point L551(lines 550 560) the Hoare annotation is: (let ((.cse9 (<= ~NP~0 1)) (.cse10 (<= 7 ~IPC~0)) (.cse11 (<= ~MPR3~0 6))) (let ((.cse0 (not .cse11)) (.cse1 (not (<= 3 ~SKIP1~0))) (.cse2 (not .cse10)) (.cse3 (not (<= 5 ~MPR1~0))) (.cse4 (= 1 ~pended~0)) (.cse5 (not .cse9)) (.cse6 (not (<= 6 ~MPR3~0))) (.cse7 (and .cse9 .cse10 (= ~s~0 ~NP~0) .cse11)) (.cse8 (not (<= 1 ~compRegistered~0)))) (and (or (not (= 1 |old(~setEventCalled~0)|)) (not (= ~MPR3~0 |old(~s~0)|)) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~NP~0 |old(~s~0)|)) .cse5 .cse6 .cse7 .cse8)))) [2020-07-20 17:11:34,901 INFO L264 CegarLoopResult]: At program point KeWaitForSingleObjectENTRY(lines 521 562) the Hoare annotation is: (let ((.cse0 (not (<= ~MPR3~0 6))) (.cse1 (not (<= 3 ~SKIP1~0))) (.cse2 (not (<= 7 ~IPC~0))) (.cse3 (not (<= 5 ~MPR1~0))) (.cse4 (= 1 ~pended~0)) (.cse5 (not (<= ~NP~0 1))) (.cse6 (not (<= 6 ~MPR3~0))) (.cse7 (not (<= 1 ~compRegistered~0)))) (and (or .cse0 .cse1 (= ~s~0 ~NP~0) .cse2 .cse3 .cse4 (not (= ~NP~0 |old(~s~0)|)) .cse5 .cse6 .cse7) (or (not (= 1 |old(~setEventCalled~0)|)) (not (= ~MPR3~0 |old(~s~0)|)) .cse0 .cse1 .cse2 (and (= ~MPR3~0 ~s~0) (= ~setEventCalled~0 1)) .cse3 .cse4 .cse5 .cse6 .cse7))) [2020-07-20 17:11:34,902 INFO L264 CegarLoopResult]: At program point L549(lines 548 560) the Hoare annotation is: (let ((.cse9 (<= ~NP~0 1)) (.cse10 (<= 7 ~IPC~0)) (.cse11 (<= ~MPR3~0 6))) (let ((.cse0 (not .cse11)) (.cse1 (not (<= 3 ~SKIP1~0))) (.cse2 (not .cse10)) (.cse3 (not (<= 5 ~MPR1~0))) (.cse4 (= 1 ~pended~0)) (.cse5 (not .cse9)) (.cse6 (not (<= 6 ~MPR3~0))) (.cse7 (and .cse9 .cse10 (= ~s~0 ~NP~0) .cse11)) (.cse8 (not (<= 1 ~compRegistered~0)))) (and (or (not (= 1 |old(~setEventCalled~0)|)) (not (= ~MPR3~0 |old(~s~0)|)) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~NP~0 |old(~s~0)|)) .cse5 .cse6 .cse7 .cse8)))) [2020-07-20 17:11:34,902 INFO L264 CegarLoopResult]: At program point L507(line 507) the Hoare annotation is: (or (not (<= ~MPR3~0 6)) (not (<= 3 ~SKIP1~0)) (not (<= 7 ~IPC~0)) (= 1 ~pended~0) (not (= ~NP~0 |old(~s~0)|)) (not (<= ~NP~0 1)) (not (<= 1 ~compRegistered~0))) [2020-07-20 17:11:34,902 INFO L268 CegarLoopResult]: For program point L507-1(lines 499 512) no Hoare annotation was computed. [2020-07-20 17:11:34,902 INFO L264 CegarLoopResult]: At program point IofCompleteRequestENTRY(lines 499 512) the Hoare annotation is: (or (not (<= ~MPR3~0 6)) (not (<= 3 ~SKIP1~0)) (= ~s~0 ~NP~0) (not (<= 7 ~IPC~0)) (= 1 ~pended~0) (not (= ~NP~0 |old(~s~0)|)) (not (<= ~NP~0 1)) (not (<= 1 ~compRegistered~0))) [2020-07-20 17:11:34,902 INFO L268 CegarLoopResult]: For program point L503(lines 503 509) no Hoare annotation was computed. [2020-07-20 17:11:34,902 INFO L268 CegarLoopResult]: For program point IofCompleteRequestEXIT(lines 499 512) no Hoare annotation was computed. [2020-07-20 17:11:34,902 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 17:11:34,902 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~s~0 ~NP~0) (= ~MPR1~0 ~s~0) (= ~s~0 ~UNLOADED~0) (not (= 1 ~pended~0)) (= ~MPR3~0 ~s~0) (= 0 ~compRegistered~0) (= ~SKIP1~0 ~s~0)) [2020-07-20 17:11:34,902 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 17:11:34,902 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 17:11:34,903 INFO L264 CegarLoopResult]: At program point L192(lines 192 194) the Hoare annotation is: (let ((.cse11 (<= ~NP~0 1)) (.cse10 (<= 1 ~compRegistered~0))) (let ((.cse0 (not (<= ~MPR3~0 6))) (.cse1 (not (<= 3 ~SKIP1~0))) (.cse2 (not (<= 7 ~IPC~0))) (.cse3 (not (<= 5 ~MPR1~0))) (.cse4 (= 1 ~pended~0)) (.cse5 (not (= ~NP~0 |old(~s~0)|))) (.cse6 (and .cse11 (= ~s~0 ~NP~0) .cse10)) (.cse9 (not .cse11)) (.cse7 (not (<= 6 ~MPR3~0))) (.cse8 (not (= 0 |old(~compRegistered~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 (not (<= (+ |old(~myStatus~0)| 1073741637) 0)) .cse9 (<= (+ ~myStatus~0 1073741637) 0)) (or .cse0 .cse1 .cse2 .cse3 .cse4 (and (= 259 KbFilter_PnP_~__cil_tmp23~0) (<= 259 KbFilter_PnP_~status~0) (= ~MPR3~0 ~s~0) (= ~setEventCalled~0 1) .cse10) .cse5 .cse6 .cse9 .cse7 .cse8)))) [2020-07-20 17:11:34,903 INFO L268 CegarLoopResult]: For program point L192-1(lines 192 194) no Hoare annotation was computed. [2020-07-20 17:11:34,903 INFO L268 CegarLoopResult]: For program point L151(lines 151 265) no Hoare annotation was computed. [2020-07-20 17:11:34,903 INFO L268 CegarLoopResult]: For program point L118(lines 118 276) no Hoare annotation was computed. [2020-07-20 17:11:34,903 INFO L264 CegarLoopResult]: At program point L209(line 209) the Hoare annotation is: (or (not (<= ~MPR3~0 6)) (not (<= 3 ~SKIP1~0)) (not (<= 7 ~IPC~0)) (not (<= 5 ~MPR1~0)) (= 1 ~pended~0) (not (= ~NP~0 |old(~s~0)|)) (not (<= ~NP~0 1)) (not (<= 6 ~MPR3~0)) (not (= 0 |old(~compRegistered~0)|)) (and (= ~s~0 ~NP~0) (<= 1 ~compRegistered~0))) [2020-07-20 17:11:34,903 INFO L264 CegarLoopResult]: At program point L176(line 176) the Hoare annotation is: (or (not (<= ~MPR3~0 6)) (not (<= 3 ~SKIP1~0)) (not (<= 7 ~IPC~0)) (not (<= 5 ~MPR1~0)) (= 1 ~pended~0) (not (= ~NP~0 |old(~s~0)|)) (not (<= ~NP~0 1)) (not (<= 6 ~MPR3~0)) (not (= 0 |old(~compRegistered~0)|))) [2020-07-20 17:11:34,903 INFO L264 CegarLoopResult]: At program point L234(line 234) the Hoare annotation is: (or (not (<= ~MPR3~0 6)) (not (<= 3 ~SKIP1~0)) (not (<= 7 ~IPC~0)) (not (<= 5 ~MPR1~0)) (= 1 ~pended~0) (not (= ~NP~0 |old(~s~0)|)) (not (<= ~NP~0 1)) (not (<= 6 ~MPR3~0)) (not (= 0 |old(~compRegistered~0)|))) [2020-07-20 17:11:34,903 INFO L268 CegarLoopResult]: For program point L234-1(lines 230 236) no Hoare annotation was computed. [2020-07-20 17:11:34,903 INFO L268 CegarLoopResult]: For program point L160(lines 160 262) no Hoare annotation was computed. [2020-07-20 17:11:34,903 INFO L268 CegarLoopResult]: For program point L127(lines 127 273) no Hoare annotation was computed. [2020-07-20 17:11:34,904 INFO L264 CegarLoopResult]: At program point L218(line 218) the Hoare annotation is: (or (not (<= ~MPR3~0 6)) (not (<= 3 ~SKIP1~0)) (not (<= 7 ~IPC~0)) (not (<= 5 ~MPR1~0)) (= 1 ~pended~0) (not (= ~NP~0 |old(~s~0)|)) (not (<= ~NP~0 1)) (not (<= 6 ~MPR3~0)) (not (= 0 |old(~compRegistered~0)|))) [2020-07-20 17:11:34,904 INFO L264 CegarLoopResult]: At program point L185(lines 185 186) the Hoare annotation is: (let ((.cse0 (not (<= ~MPR3~0 6))) (.cse1 (not (<= 3 ~SKIP1~0))) (.cse2 (not (<= 7 ~IPC~0))) (.cse3 (not (<= 5 ~MPR1~0))) (.cse4 (= 1 ~pended~0)) (.cse5 (not (= ~NP~0 |old(~s~0)|))) (.cse6 (not (<= ~NP~0 1))) (.cse7 (not (<= 6 ~MPR3~0))) (.cse8 (not (= 0 |old(~compRegistered~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 (not (<= (+ |old(~myStatus~0)| 1073741637) 0)) (<= (+ ~myStatus~0 1073741637) 0)) (or .cse0 .cse1 .cse2 .cse3 .cse4 (and (<= ~s~0 ~NP~0) (<= |old(~s~0)| ~s~0) (<= 1 ~compRegistered~0)) .cse5 .cse6 .cse7 .cse8))) [2020-07-20 17:11:34,904 INFO L268 CegarLoopResult]: For program point L218-1(lines 214 220) no Hoare annotation was computed. [2020-07-20 17:11:34,904 INFO L268 CegarLoopResult]: For program point L185-1(lines 185 186) no Hoare annotation was computed. [2020-07-20 17:11:34,904 INFO L268 CegarLoopResult]: For program point L169(lines 169 181) no Hoare annotation was computed. [2020-07-20 17:11:34,904 INFO L268 CegarLoopResult]: For program point L136(lines 136 270) no Hoare annotation was computed. [2020-07-20 17:11:34,904 INFO L268 CegarLoopResult]: For program point L103(lines 103 281) no Hoare annotation was computed. [2020-07-20 17:11:34,905 INFO L271 CegarLoopResult]: At program point L260(lines 164 261) the Hoare annotation is: true [2020-07-20 17:11:34,905 INFO L268 CegarLoopResult]: For program point KbFilter_PnPEXIT(lines 73 285) no Hoare annotation was computed. [2020-07-20 17:11:34,905 INFO L268 CegarLoopResult]: For program point L145(lines 145 267) no Hoare annotation was computed. [2020-07-20 17:11:34,905 INFO L268 CegarLoopResult]: For program point L112(lines 112 278) no Hoare annotation was computed. [2020-07-20 17:11:34,905 INFO L264 CegarLoopResult]: At program point L104(lines 103 281) the Hoare annotation is: (or (not (<= ~MPR3~0 6)) (not (<= 3 ~SKIP1~0)) (not (<= 7 ~IPC~0)) (not (<= 5 ~MPR1~0)) (= 1 ~pended~0) (not (= ~NP~0 |old(~s~0)|)) (and (= ~s~0 ~NP~0) (= 0 ~compRegistered~0)) (not (<= ~NP~0 1)) (not (<= 6 ~MPR3~0)) (not (= 0 |old(~compRegistered~0)|))) [2020-07-20 17:11:34,905 INFO L268 CegarLoopResult]: For program point L154(lines 154 264) no Hoare annotation was computed. [2020-07-20 17:11:34,905 INFO L268 CegarLoopResult]: For program point L121(lines 121 275) no Hoare annotation was computed. [2020-07-20 17:11:34,906 INFO L264 CegarLoopResult]: At program point KbFilter_PnPENTRY(lines 73 285) the Hoare annotation is: (let ((.cse0 (not (<= ~MPR3~0 6))) (.cse1 (not (<= 3 ~SKIP1~0))) (.cse2 (not (<= 7 ~IPC~0))) (.cse3 (not (<= 5 ~MPR1~0))) (.cse4 (= 1 ~pended~0)) (.cse5 (not (= ~NP~0 |old(~s~0)|))) (.cse6 (not (<= ~NP~0 1))) (.cse7 (not (<= 6 ~MPR3~0))) (.cse8 (not (= 0 |old(~compRegistered~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 (not (<= (+ |old(~myStatus~0)| 1073741637) 0)) (<= (+ ~myStatus~0 1073741637) 0)) (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (and (= ~s~0 |old(~s~0)|) (= 0 ~compRegistered~0)) .cse6 .cse7 .cse8))) [2020-07-20 17:11:34,906 INFO L264 CegarLoopResult]: At program point L171(line 171) the Hoare annotation is: (or (not (<= ~MPR3~0 6)) (not (<= 3 ~SKIP1~0)) (not (<= 7 ~IPC~0)) (not (<= 5 ~MPR1~0)) (= 1 ~pended~0) (not (= ~NP~0 |old(~s~0)|)) (not (<= ~NP~0 1)) (not (<= 6 ~MPR3~0)) (not (= 0 |old(~compRegistered~0)|))) [2020-07-20 17:11:34,906 INFO L268 CegarLoopResult]: For program point KbFilter_PnPFINAL(lines 73 285) no Hoare annotation was computed. [2020-07-20 17:11:34,906 INFO L264 CegarLoopResult]: At program point L163(lines 109 279) the Hoare annotation is: (or (not (<= ~MPR3~0 6)) (not (<= 3 ~SKIP1~0)) (not (<= 7 ~IPC~0)) (not (<= 5 ~MPR1~0)) (= 1 ~pended~0) (not (= ~NP~0 |old(~s~0)|)) (and (= ~s~0 ~NP~0) (= 0 ~compRegistered~0)) (not (<= ~NP~0 1)) (not (<= 6 ~MPR3~0)) (not (= 0 |old(~compRegistered~0)|))) [2020-07-20 17:11:34,906 INFO L268 CegarLoopResult]: For program point L130(lines 130 272) no Hoare annotation was computed. [2020-07-20 17:11:34,906 INFO L268 CegarLoopResult]: For program point L139(lines 139 269) no Hoare annotation was computed. [2020-07-20 17:11:34,906 INFO L268 CegarLoopResult]: For program point L106(lines 106 280) no Hoare annotation was computed. [2020-07-20 17:11:34,906 INFO L268 CegarLoopResult]: For program point L230(lines 230 236) no Hoare annotation was computed. [2020-07-20 17:11:34,907 INFO L264 CegarLoopResult]: At program point L255(lines 255 256) the Hoare annotation is: (or (not (<= ~MPR3~0 6)) (not (<= 3 ~SKIP1~0)) (not (<= 7 ~IPC~0)) (not (<= 5 ~MPR1~0)) (= 1 ~pended~0) (not (= ~NP~0 |old(~s~0)|)) (and (= 0 ~compRegistered~0) (= ~SKIP1~0 ~s~0)) (not (<= ~NP~0 1)) (not (<= 6 ~MPR3~0)) (not (= 0 |old(~compRegistered~0)|))) [2020-07-20 17:11:34,907 INFO L268 CegarLoopResult]: For program point L255-1(lines 255 256) no Hoare annotation was computed. [2020-07-20 17:11:34,907 INFO L268 CegarLoopResult]: For program point L214(lines 214 220) no Hoare annotation was computed. [2020-07-20 17:11:34,907 INFO L268 CegarLoopResult]: For program point L148(lines 148 266) no Hoare annotation was computed. [2020-07-20 17:11:34,907 INFO L268 CegarLoopResult]: For program point L115(lines 115 277) no Hoare annotation was computed. [2020-07-20 17:11:34,907 INFO L264 CegarLoopResult]: At program point L107(lines 106 280) the Hoare annotation is: (or (not (<= ~MPR3~0 6)) (not (<= 3 ~SKIP1~0)) (not (<= 7 ~IPC~0)) (not (<= 5 ~MPR1~0)) (= 1 ~pended~0) (not (= ~NP~0 |old(~s~0)|)) (and (= ~s~0 ~NP~0) (= 0 ~compRegistered~0)) (not (<= ~NP~0 1)) (not (<= 6 ~MPR3~0)) (not (= 0 |old(~compRegistered~0)|))) [2020-07-20 17:11:34,907 INFO L268 CegarLoopResult]: For program point L198(lines 198 204) no Hoare annotation was computed. [2020-07-20 17:11:34,908 INFO L268 CegarLoopResult]: For program point L190(lines 190 196) no Hoare annotation was computed. [2020-07-20 17:11:34,908 INFO L268 CegarLoopResult]: For program point L157(lines 157 263) no Hoare annotation was computed. [2020-07-20 17:11:34,908 INFO L268 CegarLoopResult]: For program point L124(lines 124 274) no Hoare annotation was computed. [2020-07-20 17:11:34,908 INFO L268 CegarLoopResult]: For program point L190-2(lines 164 259) no Hoare annotation was computed. [2020-07-20 17:11:34,908 INFO L264 CegarLoopResult]: At program point L240(line 240) the Hoare annotation is: (or (not (<= ~MPR3~0 6)) (not (<= 3 ~SKIP1~0)) (not (<= 7 ~IPC~0)) (not (<= 5 ~MPR1~0)) (= 1 ~pended~0) (not (= ~NP~0 |old(~s~0)|)) (and (= 0 ~compRegistered~0) (= ~SKIP1~0 ~s~0)) (not (<= ~NP~0 1)) (not (<= 6 ~MPR3~0)) (not (= 0 |old(~compRegistered~0)|))) [2020-07-20 17:11:34,908 INFO L268 CegarLoopResult]: For program point L240-1(line 240) no Hoare annotation was computed. [2020-07-20 17:11:34,909 INFO L268 CegarLoopResult]: For program point L174(lines 174 180) no Hoare annotation was computed. [2020-07-20 17:11:34,909 INFO L268 CegarLoopResult]: For program point L174-1(lines 169 181) no Hoare annotation was computed. [2020-07-20 17:11:34,909 INFO L268 CegarLoopResult]: For program point L199(lines 199 203) no Hoare annotation was computed. [2020-07-20 17:11:34,909 INFO L268 CegarLoopResult]: For program point L133(lines 133 271) no Hoare annotation was computed. [2020-07-20 17:11:34,909 INFO L268 CegarLoopResult]: For program point L100(lines 100 282) no Hoare annotation was computed. [2020-07-20 17:11:34,909 INFO L264 CegarLoopResult]: At program point L224(lines 224 225) the Hoare annotation is: (or (not (<= ~MPR3~0 6)) (not (<= 3 ~SKIP1~0)) (not (<= 7 ~IPC~0)) (not (<= 5 ~MPR1~0)) (= 1 ~pended~0) (not (= ~NP~0 |old(~s~0)|)) (and (= 0 ~compRegistered~0) (= ~SKIP1~0 ~s~0)) (not (<= ~NP~0 1)) (not (<= 6 ~MPR3~0)) (not (= 0 |old(~compRegistered~0)|))) [2020-07-20 17:11:34,909 INFO L268 CegarLoopResult]: For program point L224-1(lines 224 225) no Hoare annotation was computed. [2020-07-20 17:11:34,909 INFO L264 CegarLoopResult]: At program point L249(line 249) the Hoare annotation is: (or (not (<= ~MPR3~0 6)) (not (<= 3 ~SKIP1~0)) (not (<= 7 ~IPC~0)) (not (<= 5 ~MPR1~0)) (= 1 ~pended~0) (not (= ~NP~0 |old(~s~0)|)) (not (<= ~NP~0 1)) (not (<= 6 ~MPR3~0)) (not (= 0 |old(~compRegistered~0)|))) [2020-07-20 17:11:34,910 INFO L268 CegarLoopResult]: For program point L249-1(lines 245 251) no Hoare annotation was computed. [2020-07-20 17:11:34,910 INFO L268 CegarLoopResult]: For program point L142(lines 142 268) no Hoare annotation was computed. [2020-07-20 17:11:34,910 INFO L268 CegarLoopResult]: For program point L109(lines 109 279) no Hoare annotation was computed. [2020-07-20 17:11:34,910 INFO L264 CegarLoopResult]: At program point L101(lines 100 282) the Hoare annotation is: (let ((.cse0 (not (<= ~MPR3~0 6))) (.cse1 (not (<= 3 ~SKIP1~0))) (.cse2 (not (<= 7 ~IPC~0))) (.cse3 (not (<= 5 ~MPR1~0))) (.cse4 (= 1 ~pended~0)) (.cse5 (not (= ~NP~0 |old(~s~0)|))) (.cse6 (not (<= ~NP~0 1))) (.cse7 (not (<= 6 ~MPR3~0))) (.cse8 (not (= 0 |old(~compRegistered~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 (not (<= (+ |old(~myStatus~0)| 1073741637) 0)) (<= (+ ~myStatus~0 1073741637) 0)) (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (and (= ~s~0 |old(~s~0)|) (= 0 ~compRegistered~0)) .cse6 .cse7 .cse8))) [2020-07-20 17:11:34,986 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 05:11:34 BoogieIcfgContainer [2020-07-20 17:11:34,987 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 17:11:34,990 INFO L168 Benchmark]: Toolchain (without parser) took 20005.48 ms. Allocated memory was 137.4 MB in the beginning and 388.0 MB in the end (delta: 250.6 MB). Free memory was 101.7 MB in the beginning and 316.1 MB in the end (delta: -214.4 MB). Peak memory consumption was 232.8 MB. Max. memory is 7.1 GB. [2020-07-20 17:11:34,991 INFO L168 Benchmark]: CDTParser took 0.58 ms. Allocated memory is still 137.4 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-20 17:11:34,992 INFO L168 Benchmark]: CACSL2BoogieTranslator took 924.41 ms. Allocated memory was 137.4 MB in the beginning and 201.3 MB in the end (delta: 64.0 MB). Free memory was 101.3 MB in the beginning and 177.0 MB in the end (delta: -75.7 MB). Peak memory consumption was 26.1 MB. Max. memory is 7.1 GB. [2020-07-20 17:11:34,996 INFO L168 Benchmark]: Boogie Preprocessor took 80.80 ms. Allocated memory is still 201.3 MB. Free memory was 177.0 MB in the beginning and 175.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2020-07-20 17:11:34,997 INFO L168 Benchmark]: RCFGBuilder took 1255.96 ms. Allocated memory is still 201.3 MB. Free memory was 175.0 MB in the beginning and 129.3 MB in the end (delta: 45.7 MB). Peak memory consumption was 45.7 MB. Max. memory is 7.1 GB. [2020-07-20 17:11:34,997 INFO L168 Benchmark]: TraceAbstraction took 17731.39 ms. Allocated memory was 201.3 MB in the beginning and 388.0 MB in the end (delta: 186.6 MB). Free memory was 128.6 MB in the beginning and 316.1 MB in the end (delta: -187.5 MB). Peak memory consumption was 195.7 MB. Max. memory is 7.1 GB. [2020-07-20 17:11:35,006 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.58 ms. Allocated memory is still 137.4 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 924.41 ms. Allocated memory was 137.4 MB in the beginning and 201.3 MB in the end (delta: 64.0 MB). Free memory was 101.3 MB in the beginning and 177.0 MB in the end (delta: -75.7 MB). Peak memory consumption was 26.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 80.80 ms. Allocated memory is still 201.3 MB. Free memory was 177.0 MB in the beginning and 175.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1255.96 ms. Allocated memory is still 201.3 MB. Free memory was 175.0 MB in the beginning and 129.3 MB in the end (delta: 45.7 MB). Peak memory consumption was 45.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 17731.39 ms. Allocated memory was 201.3 MB in the beginning and 388.0 MB in the end (delta: 186.6 MB). Free memory was 128.6 MB in the beginning and 316.1 MB in the end (delta: -187.5 MB). Peak memory consumption was 195.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 579]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 367]: Loop Invariant Derived loop invariant: (((((((((((3 <= SKIP1 && NP <= 1) && 7 <= IPC) && !(1 == pended)) && MPR3 <= 6) || !(\old(s) == \old(NP))) || s == UNLOADED) || !(\old(SKIP1) == \old(s))) || 1 == \old(pended)) || !(0 == \old(compRegistered))) || !(\old(s) == \old(MPR1))) || !(\old(s) == \old(MPR3))) || !(\old(UNLOADED) == \old(s)) - InvariantResult [Line: 295]: Loop Invariant Derived loop invariant: (((((((((((3 <= SKIP1 && NP <= 1) && 7 <= IPC) && !(1 == pended)) && MPR3 <= 6) || !(\old(s) == \old(NP))) || s == UNLOADED) || !(\old(SKIP1) == \old(s))) || 1 == \old(pended)) || !(0 == \old(compRegistered))) || !(\old(s) == \old(MPR1))) || !(\old(s) == \old(MPR3))) || !(\old(UNLOADED) == \old(s)) - InvariantResult [Line: 352]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 106]: Loop Invariant Derived loop invariant: ((((((((!(MPR3 <= 6) || !(3 <= SKIP1)) || !(7 <= IPC)) || !(5 <= MPR1)) || 1 == pended) || !(NP == \old(s))) || (s == NP && 0 == compRegistered)) || !(NP <= 1)) || !(6 <= MPR3)) || !(0 == \old(compRegistered)) - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: ((((((((!(MPR3 <= 6) || !(3 <= SKIP1)) || !(7 <= IPC)) || !(5 <= MPR1)) || 1 == pended) || !(NP == \old(s))) || (s == NP && 0 == compRegistered)) || !(NP <= 1)) || !(6 <= MPR3)) || !(0 == \old(compRegistered)) - InvariantResult [Line: 449]: Loop Invariant Derived loop invariant: (((((((!(MPR3 <= 6) || !(3 <= SKIP1)) || !(SKIP1 == \old(s))) || !(7 <= IPC)) || 1 == pended) || !(0 == compRegistered)) || !(NP <= 1)) || SKIP1 == s) && (((((((((!(MPR3 <= 6) || !(3 <= SKIP1)) || MPR1 == s) || !(7 <= IPC)) || !(5 <= MPR1)) || 1 == pended) || !(NP == \old(s))) || !(NP <= 1)) || !(6 <= MPR3)) || !(1 <= compRegistered)) - InvariantResult [Line: 526]: Loop Invariant Derived loop invariant: (((((((((!(1 == \old(setEventCalled)) || !(MPR3 == \old(s))) || !(MPR3 <= 6)) || !(3 <= SKIP1)) || !(7 <= IPC)) || !(5 <= MPR1)) || 1 == pended) || !(NP <= 1)) || !(6 <= MPR3)) || !(1 <= compRegistered)) && (((((((((!(MPR3 <= 6) || !(3 <= SKIP1)) || s == NP) || !(7 <= IPC)) || !(5 <= MPR1)) || 1 == pended) || !(NP == \old(s))) || !(NP <= 1)) || !(6 <= MPR3)) || !(1 <= compRegistered)) - InvariantResult [Line: 164]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 100]: Loop Invariant Derived loop invariant: ((((((((((!(MPR3 <= 6) || !(3 <= SKIP1)) || !(7 <= IPC)) || !(5 <= MPR1)) || 1 == pended) || !(NP == \old(s))) || !(NP <= 1)) || !(6 <= MPR3)) || !(0 == \old(compRegistered))) || !(\old(myStatus) + 1073741637 <= 0)) || myStatus + 1073741637 <= 0) && (((((((((!(MPR3 <= 6) || !(3 <= SKIP1)) || !(7 <= IPC)) || !(5 <= MPR1)) || 1 == pended) || !(NP == \old(s))) || (s == \old(s) && 0 == compRegistered)) || !(NP <= 1)) || !(6 <= MPR3)) || !(0 == \old(compRegistered))) - InvariantResult [Line: 456]: Loop Invariant Derived loop invariant: (((((((!(MPR3 <= 6) || !(3 <= SKIP1)) || !(SKIP1 == \old(s))) || !(7 <= IPC)) || 1 == pended) || !(0 == compRegistered)) || !(NP <= 1)) || SKIP1 == s) && (((((((((!(MPR3 <= 6) || !(3 <= SKIP1)) || !(7 <= IPC)) || !(5 <= MPR1)) || 1 == pended) || !(NP == \old(s))) || !(NP <= 1)) || !(6 <= MPR3)) || (MPR1 == s && setEventCalled == 1)) || !(1 <= compRegistered)) - InvariantResult [Line: 548]: Loop Invariant Derived loop invariant: ((((((((((!(1 == \old(setEventCalled)) || !(MPR3 == \old(s))) || !(MPR3 <= 6)) || !(3 <= SKIP1)) || !(7 <= IPC)) || !(5 <= MPR1)) || 1 == pended) || !(NP <= 1)) || !(6 <= MPR3)) || (((NP <= 1 && 7 <= IPC) && s == NP) && MPR3 <= 6)) || !(1 <= compRegistered)) && (((((((((!(MPR3 <= 6) || !(3 <= SKIP1)) || !(7 <= IPC)) || !(5 <= MPR1)) || 1 == pended) || !(NP == \old(s))) || !(NP <= 1)) || !(6 <= MPR3)) || (((NP <= 1 && 7 <= IPC) && s == NP) && MPR3 <= 6)) || !(1 <= compRegistered)) - InvariantResult [Line: 442]: Loop Invariant Derived loop invariant: (((((((!(MPR3 <= 6) || !(3 <= SKIP1)) || !(SKIP1 == \old(s))) || !(7 <= IPC)) || 1 == pended) || !(0 == compRegistered)) || !(NP <= 1)) || SKIP1 == s) && ((((((((((!(MPR3 <= 6) || ((MPR1 == s && setEventCalled == 1) && 259 == returnVal2)) || !(3 <= SKIP1)) || (returnVal2 <= 0 && MPR1 == s)) || !(7 <= IPC)) || !(5 <= MPR1)) || 1 == pended) || !(NP == \old(s))) || !(NP <= 1)) || !(6 <= MPR3)) || !(1 <= compRegistered)) - InvariantResult [Line: 550]: Loop Invariant Derived loop invariant: ((((((((((!(1 == \old(setEventCalled)) || !(MPR3 == \old(s))) || !(MPR3 <= 6)) || !(3 <= SKIP1)) || !(7 <= IPC)) || !(5 <= MPR1)) || 1 == pended) || !(NP <= 1)) || !(6 <= MPR3)) || (((NP <= 1 && 7 <= IPC) && s == NP) && MPR3 <= 6)) || !(1 <= compRegistered)) && (((((((((!(MPR3 <= 6) || !(3 <= SKIP1)) || !(7 <= IPC)) || !(5 <= MPR1)) || 1 == pended) || !(NP == \old(s))) || !(NP <= 1)) || !(6 <= MPR3)) || (((NP <= 1 && 7 <= IPC) && s == NP) && MPR3 <= 6)) || !(1 <= compRegistered)) - InvariantResult [Line: 375]: Loop Invariant Derived loop invariant: (((((((((((3 <= SKIP1 && NP <= 1) && 7 <= IPC) && !(1 == pended)) && MPR3 <= 6) || !(\old(s) == \old(NP))) || s == UNLOADED) || !(\old(SKIP1) == \old(s))) || 1 == \old(pended)) || !(0 == \old(compRegistered))) || !(\old(s) == \old(MPR1))) || !(\old(s) == \old(MPR3))) || !(\old(UNLOADED) == \old(s)) - InvariantResult [Line: 103]: Loop Invariant Derived loop invariant: ((((((((!(MPR3 <= 6) || !(3 <= SKIP1)) || !(7 <= IPC)) || !(5 <= MPR1)) || 1 == pended) || !(NP == \old(s))) || (s == NP && 0 == compRegistered)) || !(NP <= 1)) || !(6 <= MPR3)) || !(0 == \old(compRegistered)) - InvariantResult [Line: 454]: Loop Invariant Derived loop invariant: (((((((!(MPR3 <= 6) || !(3 <= SKIP1)) || !(SKIP1 == \old(s))) || !(7 <= IPC)) || 1 == pended) || !(0 == compRegistered)) || !(NP <= 1)) || SKIP1 == s) && (((((((((!(MPR3 <= 6) || !(3 <= SKIP1)) || MPR1 == s) || !(7 <= IPC)) || !(5 <= MPR1)) || 1 == pended) || !(NP == \old(s))) || !(NP <= 1)) || !(6 <= MPR3)) || !(1 <= compRegistered)) - InvariantResult [Line: 350]: Loop Invariant Derived loop invariant: ((((((!(\old(s) == \old(NP)) || !(\old(SKIP1) == \old(s))) || 1 == \old(pended)) || !(0 == \old(compRegistered))) || !(\old(s) == \old(MPR1))) || !(\old(s) == \old(MPR3))) || ((((((((3 <= SKIP1 && NP <= 1) && 7 <= IPC) && s == NP) && !(1 == pended)) && 5 <= MPR1) && 0 == compRegistered) && 6 <= MPR3) && MPR3 <= 6)) || !(\old(UNLOADED) == \old(s)) - InvariantResult [Line: 385]: Loop Invariant Derived loop invariant: ((((((((((3 <= SKIP1 && NP <= 1) && 7 <= IPC) && !(1 == pended)) && MPR3 <= 6) || !(\old(s) == \old(NP))) || !(\old(SKIP1) == \old(s))) || 1 == \old(pended)) || !(0 == \old(compRegistered))) || !(\old(s) == \old(MPR1))) || !(\old(s) == \old(MPR3))) || !(\old(UNLOADED) == \old(s)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 13 procedures, 151 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 11.4s, OverallIterations: 18, TraceHistogramMax: 1, AutomataDifference: 2.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2429 SDtfs, 1221 SDslu, 2166 SDs, 0 SdLazy, 678 SolverSat, 117 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 910 GetRequests, 867 SyntacticMatches, 3 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=229occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 18 MinimizatonAttempts, 118 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 53 LocationsWithAnnotation, 260 PreInvPairs, 323 NumberOfFragments, 2624 HoareAnnotationTreeSize, 260 FomulaSimplifications, 505 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 53 FomulaSimplificationsInter, 3923 FormulaSimplificationTreeSizeReductionInter, 5.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 1.8s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 921 NumberOfCodeBlocks, 715 NumberOfCodeBlocksAsserted, 53 NumberOfCheckSat, 903 ConstructedInterpolants, 0 QuantifiedInterpolants, 126091 SizeOfPredicates, 19 NumberOfNonLiveVariables, 8984 ConjunctsInSsa, 93 ConjunctsInUnsatCore, 18 InterpolantComputations, 18 PerfectInterpolantSequences, 0/0 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 proved your program to be correct! Received shutdown request...