/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-WP.epf -i ../../../trunk/examples/svcomp/pthread-wmm/safe027_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-1d1d2b5 [2020-10-22 00:39:51,192 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-22 00:39:51,195 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-22 00:39:51,239 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-22 00:39:51,240 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-22 00:39:51,247 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-22 00:39:51,250 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-22 00:39:51,254 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-22 00:39:51,257 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-22 00:39:51,261 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-22 00:39:51,261 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-22 00:39:51,262 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-22 00:39:51,262 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-22 00:39:51,265 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-22 00:39:51,267 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-22 00:39:51,268 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-22 00:39:51,270 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-22 00:39:51,270 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-22 00:39:51,272 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-22 00:39:51,279 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-22 00:39:51,280 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-22 00:39:51,282 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-22 00:39:51,283 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-22 00:39:51,284 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-22 00:39:51,297 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-22 00:39:51,302 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-22 00:39:51,302 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-22 00:39:51,303 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-22 00:39:51,304 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-22 00:39:51,305 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-22 00:39:51,305 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-22 00:39:51,306 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-22 00:39:51,306 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-22 00:39:51,306 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-22 00:39:51,308 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-22 00:39:51,309 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-22 00:39:51,310 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-WP.epf [2020-10-22 00:39:51,351 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-22 00:39:51,351 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-22 00:39:51,353 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-22 00:39:51,353 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-22 00:39:51,353 INFO L138 SettingsManager]: * Use SBE=true [2020-10-22 00:39:51,353 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-22 00:39:51,354 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-22 00:39:51,354 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-22 00:39:51,354 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-22 00:39:51,354 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-22 00:39:51,356 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-22 00:39:51,356 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-22 00:39:51,356 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-22 00:39:51,356 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-22 00:39:51,356 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-22 00:39:51,356 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-22 00:39:51,357 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-22 00:39:51,357 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-22 00:39:51,357 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-22 00:39:51,357 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-22 00:39:51,357 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-22 00:39:51,358 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-22 00:39:51,358 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-22 00:39:51,358 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-22 00:39:51,358 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-22 00:39:51,358 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-22 00:39:51,359 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-22 00:39:51,359 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2020-10-22 00:39:51,359 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-22 00:39:51,359 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-22 00:39:51,360 INFO L138 SettingsManager]: * Interpolant automaton=MCR [2020-10-22 00:39:51,663 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-22 00:39:51,678 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-22 00:39:51,681 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-22 00:39:51,682 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-22 00:39:51,683 INFO L275 PluginConnector]: CDTParser initialized [2020-10-22 00:39:51,684 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe027_tso.opt.i [2020-10-22 00:39:51,737 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c5ddbd6d/c8458226486946e38d452ca7559609df/FLAG61e32bc49 [2020-10-22 00:39:52,363 INFO L306 CDTParser]: Found 1 translation units. [2020-10-22 00:39:52,364 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe027_tso.opt.i [2020-10-22 00:39:52,377 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c5ddbd6d/c8458226486946e38d452ca7559609df/FLAG61e32bc49 [2020-10-22 00:39:52,607 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c5ddbd6d/c8458226486946e38d452ca7559609df [2020-10-22 00:39:52,617 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-22 00:39:52,624 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-22 00:39:52,625 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-22 00:39:52,625 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-22 00:39:52,629 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-22 00:39:52,630 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 12:39:52" (1/1) ... [2020-10-22 00:39:52,633 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fab3ff6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:39:52, skipping insertion in model container [2020-10-22 00:39:52,633 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 12:39:52" (1/1) ... [2020-10-22 00:39:52,640 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-22 00:39:52,702 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-22 00:39:53,184 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-22 00:39:53,195 INFO L203 MainTranslator]: Completed pre-run [2020-10-22 00:39:53,246 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-22 00:39:53,323 INFO L208 MainTranslator]: Completed translation [2020-10-22 00:39:53,324 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:39:53 WrapperNode [2020-10-22 00:39:53,324 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-22 00:39:53,325 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-22 00:39:53,325 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-22 00:39:53,325 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-22 00:39:53,334 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:39:53" (1/1) ... [2020-10-22 00:39:53,350 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:39:53" (1/1) ... [2020-10-22 00:39:53,374 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-22 00:39:53,374 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-22 00:39:53,374 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-22 00:39:53,374 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-22 00:39:53,382 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:39:53" (1/1) ... [2020-10-22 00:39:53,382 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:39:53" (1/1) ... [2020-10-22 00:39:53,385 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:39:53" (1/1) ... [2020-10-22 00:39:53,385 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:39:53" (1/1) ... [2020-10-22 00:39:53,393 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:39:53" (1/1) ... [2020-10-22 00:39:53,396 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:39:53" (1/1) ... [2020-10-22 00:39:53,398 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:39:53" (1/1) ... [2020-10-22 00:39:53,401 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-22 00:39:53,402 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-22 00:39:53,402 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-22 00:39:53,402 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-22 00:39:53,403 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:39:53" (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 [2020-10-22 00:39:53,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-22 00:39:53,469 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-22 00:39:53,469 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-22 00:39:53,469 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-22 00:39:53,470 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-10-22 00:39:53,470 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-10-22 00:39:53,471 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-10-22 00:39:53,471 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-10-22 00:39:53,472 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-10-22 00:39:53,472 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-10-22 00:39:53,472 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2020-10-22 00:39:53,472 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2020-10-22 00:39:53,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-22 00:39:53,472 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-22 00:39:53,473 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-22 00:39:53,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-22 00:39:53,475 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-22 00:39:53,872 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-22 00:39:53,873 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-22 00:39:53,875 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 12:39:53 BoogieIcfgContainer [2020-10-22 00:39:53,875 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-22 00:39:53,877 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-22 00:39:53,877 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-22 00:39:53,881 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-22 00:39:53,881 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 12:39:52" (1/3) ... [2020-10-22 00:39:53,882 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1093403e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 12:39:53, skipping insertion in model container [2020-10-22 00:39:53,882 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:39:53" (2/3) ... [2020-10-22 00:39:53,882 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1093403e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 12:39:53, skipping insertion in model container [2020-10-22 00:39:53,883 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 12:39:53" (3/3) ... [2020-10-22 00:39:53,884 INFO L111 eAbstractionObserver]: Analyzing ICFG safe027_tso.opt.i [2020-10-22 00:39:53,896 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-22 00:39:53,896 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-22 00:39:53,905 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-22 00:39:53,906 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-22 00:39:53,936 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:39:53,937 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:39:53,937 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:39:53,937 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:39:53,938 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:39:53,938 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:39:53,939 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:39:53,939 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:39:53,939 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:39:53,939 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:39:53,940 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:39:53,940 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:39:53,941 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:39:53,941 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:39:53,941 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:39:53,941 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:39:53,942 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:39:53,942 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:39:53,943 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:39:53,943 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:39:53,943 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:39:53,944 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:39:53,944 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:39:53,944 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:39:53,948 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:39:53,948 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:39:53,949 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:39:53,949 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:39:53,957 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:39:53,957 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:39:53,957 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:39:53,958 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:39:53,960 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:39:53,961 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:39:53,961 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:39:53,961 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:39:53,967 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:39:53,967 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:39:53,967 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:39:53,967 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:39:53,969 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-10-22 00:39:53,982 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-22 00:39:54,003 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-22 00:39:54,003 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-22 00:39:54,003 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-22 00:39:54,003 INFO L380 AbstractCegarLoop]: Backedges is MCR [2020-10-22 00:39:54,003 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-22 00:39:54,004 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-22 00:39:54,004 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-22 00:39:54,004 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-22 00:39:54,017 INFO L137 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-10-22 00:39:54,018 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 101 places, 91 transitions, 202 flow [2020-10-22 00:39:54,020 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 101 places, 91 transitions, 202 flow [2020-10-22 00:39:54,021 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 101 places, 91 transitions, 202 flow [2020-10-22 00:39:54,071 INFO L129 PetriNetUnfolder]: 3/87 cut-off events. [2020-10-22 00:39:54,072 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-22 00:39:54,077 INFO L80 FinitePrefix]: Finished finitePrefix Result has 100 conditions, 87 events. 3/87 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 72 event pairs, 0 based on Foata normal form. 0/83 useless extension candidates. Maximal degree in co-relation 72. Up to 2 conditions per place. [2020-10-22 00:39:54,081 INFO L116 LiptonReduction]: Number of co-enabled transitions 2042 [2020-10-22 00:39:55,873 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 78 [2020-10-22 00:39:55,980 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2020-10-22 00:39:56,116 INFO L131 LiptonReduction]: Checked pairs total: 3854 [2020-10-22 00:39:56,116 INFO L133 LiptonReduction]: Total number of compositions: 80 [2020-10-22 00:39:56,123 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 38 places, 26 transitions, 72 flow [2020-10-22 00:39:56,176 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 706 states. [2020-10-22 00:39:56,178 INFO L276 IsEmpty]: Start isEmpty. Operand 706 states. [2020-10-22 00:39:56,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-22 00:39:56,212 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 00:39:56,213 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 00:39:56,214 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 00:39:56,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 00:39:56,220 INFO L82 PathProgramCache]: Analyzing trace with hash -709438342, now seen corresponding path program 1 times [2020-10-22 00:39:56,248 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 00:39:56,250 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [789173808] [2020-10-22 00:39:56,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 00:39:56,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 00:39:56,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 00:39:56,490 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [789173808] [2020-10-22 00:39:56,491 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 00:39:56,492 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-22 00:39:56,492 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1607475830] [2020-10-22 00:39:56,493 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 00:39:56,497 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 00:39:56,514 INFO L252 McrAutomatonBuilder]: Finished intersection with 11 states and 10 transitions. [2020-10-22 00:39:56,514 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 00:39:56,519 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 00:39:56,519 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-22 00:39:56,520 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 00:39:56,534 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-22 00:39:56,535 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 00:39:56,537 INFO L87 Difference]: Start difference. First operand 706 states. Second operand 3 states. [2020-10-22 00:39:56,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 00:39:56,583 INFO L93 Difference]: Finished difference Result 670 states and 2295 transitions. [2020-10-22 00:39:56,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-22 00:39:56,590 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2020-10-22 00:39:56,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 00:39:56,615 INFO L225 Difference]: With dead ends: 670 [2020-10-22 00:39:56,615 INFO L226 Difference]: Without dead ends: 526 [2020-10-22 00:39:56,616 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 00:39:56,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 526 states. [2020-10-22 00:39:56,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 526 to 526. [2020-10-22 00:39:56,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 526 states. [2020-10-22 00:39:56,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 526 states and 1743 transitions. [2020-10-22 00:39:56,721 INFO L78 Accepts]: Start accepts. Automaton has 526 states and 1743 transitions. Word has length 10 [2020-10-22 00:39:56,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 00:39:56,723 INFO L481 AbstractCegarLoop]: Abstraction has 526 states and 1743 transitions. [2020-10-22 00:39:56,723 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-22 00:39:56,723 INFO L276 IsEmpty]: Start isEmpty. Operand 526 states and 1743 transitions. [2020-10-22 00:39:56,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-22 00:39:56,726 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 00:39:56,726 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 00:39:56,728 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-22 00:39:56,728 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 00:39:56,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 00:39:56,729 INFO L82 PathProgramCache]: Analyzing trace with hash -534620391, now seen corresponding path program 1 times [2020-10-22 00:39:56,730 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 00:39:56,730 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1148154298] [2020-10-22 00:39:56,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 00:39:56,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 00:39:56,831 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 00:39:56,832 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1148154298] [2020-10-22 00:39:56,832 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 00:39:56,832 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-22 00:39:56,833 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [155529361] [2020-10-22 00:39:56,833 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 00:39:56,834 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 00:39:56,837 INFO L252 McrAutomatonBuilder]: Finished intersection with 15 states and 17 transitions. [2020-10-22 00:39:56,837 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 00:39:56,900 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 00:39:56,902 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-22 00:39:56,902 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 00:39:56,902 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-22 00:39:56,902 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-22 00:39:56,903 INFO L87 Difference]: Start difference. First operand 526 states and 1743 transitions. Second operand 4 states. [2020-10-22 00:39:56,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 00:39:56,950 INFO L93 Difference]: Finished difference Result 682 states and 2180 transitions. [2020-10-22 00:39:56,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-22 00:39:56,951 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2020-10-22 00:39:56,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 00:39:56,960 INFO L225 Difference]: With dead ends: 682 [2020-10-22 00:39:56,961 INFO L226 Difference]: Without dead ends: 394 [2020-10-22 00:39:56,961 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-22 00:39:56,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 394 states. [2020-10-22 00:39:57,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 394 to 394. [2020-10-22 00:39:57,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 394 states. [2020-10-22 00:39:57,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 1224 transitions. [2020-10-22 00:39:57,006 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 1224 transitions. Word has length 11 [2020-10-22 00:39:57,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 00:39:57,006 INFO L481 AbstractCegarLoop]: Abstraction has 394 states and 1224 transitions. [2020-10-22 00:39:57,006 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-22 00:39:57,007 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 1224 transitions. [2020-10-22 00:39:57,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-22 00:39:57,011 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 00:39:57,011 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 00:39:57,012 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-22 00:39:57,012 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 00:39:57,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 00:39:57,016 INFO L82 PathProgramCache]: Analyzing trace with hash 1129499006, now seen corresponding path program 1 times [2020-10-22 00:39:57,017 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 00:39:57,017 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1758301908] [2020-10-22 00:39:57,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 00:39:57,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 00:39:57,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 00:39:57,096 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1758301908] [2020-10-22 00:39:57,096 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 00:39:57,096 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-22 00:39:57,096 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [560094916] [2020-10-22 00:39:57,096 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 00:39:57,098 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 00:39:57,101 INFO L252 McrAutomatonBuilder]: Finished intersection with 21 states and 28 transitions. [2020-10-22 00:39:57,101 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 00:39:57,198 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 00:39:57,198 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-22 00:39:57,198 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 00:39:57,199 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-22 00:39:57,199 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 00:39:57,199 INFO L87 Difference]: Start difference. First operand 394 states and 1224 transitions. Second operand 3 states. [2020-10-22 00:39:57,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 00:39:57,208 INFO L93 Difference]: Finished difference Result 376 states and 1155 transitions. [2020-10-22 00:39:57,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-22 00:39:57,209 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2020-10-22 00:39:57,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 00:39:57,212 INFO L225 Difference]: With dead ends: 376 [2020-10-22 00:39:57,212 INFO L226 Difference]: Without dead ends: 376 [2020-10-22 00:39:57,212 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 00:39:57,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 376 states. [2020-10-22 00:39:57,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 376 to 376. [2020-10-22 00:39:57,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 376 states. [2020-10-22 00:39:57,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 376 states and 1155 transitions. [2020-10-22 00:39:57,228 INFO L78 Accepts]: Start accepts. Automaton has 376 states and 1155 transitions. Word has length 12 [2020-10-22 00:39:57,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 00:39:57,228 INFO L481 AbstractCegarLoop]: Abstraction has 376 states and 1155 transitions. [2020-10-22 00:39:57,228 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-22 00:39:57,228 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 1155 transitions. [2020-10-22 00:39:57,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-22 00:39:57,230 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 00:39:57,230 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 00:39:57,230 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-22 00:39:57,230 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 00:39:57,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 00:39:57,231 INFO L82 PathProgramCache]: Analyzing trace with hash -951035328, now seen corresponding path program 1 times [2020-10-22 00:39:57,232 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 00:39:57,232 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878194944] [2020-10-22 00:39:57,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 00:39:57,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 00:39:57,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 00:39:57,308 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1878194944] [2020-10-22 00:39:57,309 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 00:39:57,309 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-22 00:39:57,309 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1339485271] [2020-10-22 00:39:57,309 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 00:39:57,312 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 00:39:57,318 INFO L252 McrAutomatonBuilder]: Finished intersection with 39 states and 71 transitions. [2020-10-22 00:39:57,318 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 00:39:57,770 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 00:39:57,770 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-22 00:39:57,771 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 00:39:57,771 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-22 00:39:57,771 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-22 00:39:57,771 INFO L87 Difference]: Start difference. First operand 376 states and 1155 transitions. Second operand 4 states. [2020-10-22 00:39:57,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 00:39:57,800 INFO L93 Difference]: Finished difference Result 466 states and 1398 transitions. [2020-10-22 00:39:57,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-22 00:39:57,800 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2020-10-22 00:39:57,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 00:39:57,802 INFO L225 Difference]: With dead ends: 466 [2020-10-22 00:39:57,803 INFO L226 Difference]: Without dead ends: 226 [2020-10-22 00:39:57,804 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-22 00:39:57,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2020-10-22 00:39:57,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 226. [2020-10-22 00:39:57,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 226 states. [2020-10-22 00:39:57,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 651 transitions. [2020-10-22 00:39:57,821 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 651 transitions. Word has length 13 [2020-10-22 00:39:57,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 00:39:57,823 INFO L481 AbstractCegarLoop]: Abstraction has 226 states and 651 transitions. [2020-10-22 00:39:57,823 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-22 00:39:57,823 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 651 transitions. [2020-10-22 00:39:57,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-22 00:39:57,824 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 00:39:57,824 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 00:39:57,825 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-22 00:39:57,825 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 00:39:57,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 00:39:57,825 INFO L82 PathProgramCache]: Analyzing trace with hash 1524641156, now seen corresponding path program 1 times [2020-10-22 00:39:57,830 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 00:39:57,831 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1687482168] [2020-10-22 00:39:57,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 00:39:57,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 00:39:57,971 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 00:39:57,972 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1687482168] [2020-10-22 00:39:57,972 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 00:39:57,972 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-22 00:39:57,973 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1540569372] [2020-10-22 00:39:57,973 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 00:39:57,976 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 00:39:57,980 INFO L252 McrAutomatonBuilder]: Finished intersection with 33 states and 54 transitions. [2020-10-22 00:39:57,981 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 00:39:58,052 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-22 00:39:58,097 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-22 00:39:58,132 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-22 00:39:58,224 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-22 00:39:58,328 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 1 new interpolants: [6776#(not (= 4 ~__unbuffered_cnt~0))] [2020-10-22 00:39:58,328 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-22 00:39:58,329 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 00:39:58,329 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-22 00:39:58,329 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-22 00:39:58,330 INFO L87 Difference]: Start difference. First operand 226 states and 651 transitions. Second operand 5 states. [2020-10-22 00:39:58,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 00:39:58,417 INFO L93 Difference]: Finished difference Result 243 states and 637 transitions. [2020-10-22 00:39:58,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-22 00:39:58,418 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2020-10-22 00:39:58,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 00:39:58,419 INFO L225 Difference]: With dead ends: 243 [2020-10-22 00:39:58,419 INFO L226 Difference]: Without dead ends: 162 [2020-10-22 00:39:58,420 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-22 00:39:58,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2020-10-22 00:39:58,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 162. [2020-10-22 00:39:58,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 162 states. [2020-10-22 00:39:58,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 391 transitions. [2020-10-22 00:39:58,426 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 391 transitions. Word has length 14 [2020-10-22 00:39:58,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 00:39:58,426 INFO L481 AbstractCegarLoop]: Abstraction has 162 states and 391 transitions. [2020-10-22 00:39:58,426 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-22 00:39:58,426 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 391 transitions. [2020-10-22 00:39:58,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-22 00:39:58,427 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 00:39:58,427 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 00:39:58,428 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-22 00:39:58,428 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 00:39:58,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 00:39:58,428 INFO L82 PathProgramCache]: Analyzing trace with hash 1193386920, now seen corresponding path program 1 times [2020-10-22 00:39:58,431 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 00:39:58,432 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [730556479] [2020-10-22 00:39:58,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 00:39:58,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 00:39:58,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 00:39:58,510 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [730556479] [2020-10-22 00:39:58,511 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 00:39:58,511 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-22 00:39:58,512 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1643336366] [2020-10-22 00:39:58,512 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 00:39:58,514 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 00:39:58,519 INFO L252 McrAutomatonBuilder]: Finished intersection with 38 states and 62 transitions. [2020-10-22 00:39:58,520 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 00:39:58,765 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 1 new interpolants: [7354#(<= ~__unbuffered_cnt~0 0)] [2020-10-22 00:39:58,766 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-22 00:39:58,767 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 00:39:58,767 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-22 00:39:58,767 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-22 00:39:58,767 INFO L87 Difference]: Start difference. First operand 162 states and 391 transitions. Second operand 7 states. [2020-10-22 00:39:58,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 00:39:58,860 INFO L93 Difference]: Finished difference Result 158 states and 360 transitions. [2020-10-22 00:39:58,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-22 00:39:58,860 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 16 [2020-10-22 00:39:58,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 00:39:58,862 INFO L225 Difference]: With dead ends: 158 [2020-10-22 00:39:58,862 INFO L226 Difference]: Without dead ends: 125 [2020-10-22 00:39:58,862 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2020-10-22 00:39:58,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2020-10-22 00:39:58,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2020-10-22 00:39:58,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2020-10-22 00:39:58,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 282 transitions. [2020-10-22 00:39:58,868 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 282 transitions. Word has length 16 [2020-10-22 00:39:58,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 00:39:58,868 INFO L481 AbstractCegarLoop]: Abstraction has 125 states and 282 transitions. [2020-10-22 00:39:58,868 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-22 00:39:58,869 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 282 transitions. [2020-10-22 00:39:58,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-22 00:39:58,869 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 00:39:58,870 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 00:39:58,870 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-22 00:39:58,870 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 00:39:58,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 00:39:58,871 INFO L82 PathProgramCache]: Analyzing trace with hash -1709090152, now seen corresponding path program 1 times [2020-10-22 00:39:58,873 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 00:39:58,873 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2131675107] [2020-10-22 00:39:58,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 00:39:58,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 00:39:58,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 00:39:58,999 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2131675107] [2020-10-22 00:39:58,999 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 00:39:58,999 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-22 00:39:58,999 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1060363319] [2020-10-22 00:39:58,999 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 00:39:59,002 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 00:39:59,007 INFO L252 McrAutomatonBuilder]: Finished intersection with 27 states and 34 transitions. [2020-10-22 00:39:59,008 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 00:39:59,074 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 1 new interpolants: [7772#(<= ~__unbuffered_cnt~0 0)] [2020-10-22 00:39:59,074 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-22 00:39:59,075 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 00:39:59,075 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-22 00:39:59,075 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-22 00:39:59,075 INFO L87 Difference]: Start difference. First operand 125 states and 282 transitions. Second operand 8 states. [2020-10-22 00:39:59,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 00:39:59,147 INFO L93 Difference]: Finished difference Result 120 states and 270 transitions. [2020-10-22 00:39:59,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-22 00:39:59,150 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 18 [2020-10-22 00:39:59,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 00:39:59,151 INFO L225 Difference]: With dead ends: 120 [2020-10-22 00:39:59,151 INFO L226 Difference]: Without dead ends: 111 [2020-10-22 00:39:59,152 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-10-22 00:39:59,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2020-10-22 00:39:59,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2020-10-22 00:39:59,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2020-10-22 00:39:59,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 254 transitions. [2020-10-22 00:39:59,159 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 254 transitions. Word has length 18 [2020-10-22 00:39:59,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 00:39:59,159 INFO L481 AbstractCegarLoop]: Abstraction has 111 states and 254 transitions. [2020-10-22 00:39:59,159 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-22 00:39:59,159 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 254 transitions. [2020-10-22 00:39:59,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-10-22 00:39:59,160 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 00:39:59,162 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] [2020-10-22 00:39:59,162 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-22 00:39:59,162 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 00:39:59,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 00:39:59,162 INFO L82 PathProgramCache]: Analyzing trace with hash -1760559887, now seen corresponding path program 1 times [2020-10-22 00:39:59,168 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 00:39:59,168 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1419864044] [2020-10-22 00:39:59,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 00:39:59,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 00:39:59,220 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 00:39:59,220 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1419864044] [2020-10-22 00:39:59,221 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 00:39:59,221 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-22 00:39:59,221 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1276620613] [2020-10-22 00:39:59,221 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 00:39:59,223 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 00:39:59,229 INFO L252 McrAutomatonBuilder]: Finished intersection with 31 states and 40 transitions. [2020-10-22 00:39:59,229 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 00:39:59,326 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 00:39:59,327 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-22 00:39:59,327 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 00:39:59,327 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-22 00:39:59,327 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-22 00:39:59,327 INFO L87 Difference]: Start difference. First operand 111 states and 254 transitions. Second operand 4 states. [2020-10-22 00:39:59,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 00:39:59,350 INFO L93 Difference]: Finished difference Result 144 states and 327 transitions. [2020-10-22 00:39:59,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-22 00:39:59,350 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 20 [2020-10-22 00:39:59,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 00:39:59,351 INFO L225 Difference]: With dead ends: 144 [2020-10-22 00:39:59,351 INFO L226 Difference]: Without dead ends: 71 [2020-10-22 00:39:59,352 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-22 00:39:59,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2020-10-22 00:39:59,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2020-10-22 00:39:59,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2020-10-22 00:39:59,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 143 transitions. [2020-10-22 00:39:59,354 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 143 transitions. Word has length 20 [2020-10-22 00:39:59,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 00:39:59,355 INFO L481 AbstractCegarLoop]: Abstraction has 71 states and 143 transitions. [2020-10-22 00:39:59,355 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-22 00:39:59,355 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 143 transitions. [2020-10-22 00:39:59,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-10-22 00:39:59,355 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 00:39:59,356 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] [2020-10-22 00:39:59,356 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-22 00:39:59,356 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 00:39:59,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 00:39:59,356 INFO L82 PathProgramCache]: Analyzing trace with hash -1416850207, now seen corresponding path program 2 times [2020-10-22 00:39:59,357 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 00:39:59,358 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2116297358] [2020-10-22 00:39:59,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 00:39:59,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 00:39:59,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 00:39:59,389 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2116297358] [2020-10-22 00:39:59,390 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 00:39:59,390 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-22 00:39:59,390 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [950539921] [2020-10-22 00:39:59,390 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 00:39:59,392 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 00:39:59,400 INFO L252 McrAutomatonBuilder]: Finished intersection with 46 states and 74 transitions. [2020-10-22 00:39:59,400 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 00:39:59,683 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 00:39:59,683 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-22 00:39:59,683 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 00:39:59,684 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-22 00:39:59,684 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-22 00:39:59,684 INFO L87 Difference]: Start difference. First operand 71 states and 143 transitions. Second operand 4 states. [2020-10-22 00:39:59,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 00:39:59,700 INFO L93 Difference]: Finished difference Result 70 states and 142 transitions. [2020-10-22 00:39:59,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-22 00:39:59,701 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 20 [2020-10-22 00:39:59,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 00:39:59,701 INFO L225 Difference]: With dead ends: 70 [2020-10-22 00:39:59,701 INFO L226 Difference]: Without dead ends: 0 [2020-10-22 00:39:59,702 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-22 00:39:59,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-22 00:39:59,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-22 00:39:59,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-22 00:39:59,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-22 00:39:59,703 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 20 [2020-10-22 00:39:59,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 00:39:59,703 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-22 00:39:59,703 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-22 00:39:59,703 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-22 00:39:59,704 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-22 00:39:59,704 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-22 00:39:59,707 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 12:39:59 BasicIcfg [2020-10-22 00:39:59,707 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-22 00:39:59,709 INFO L168 Benchmark]: Toolchain (without parser) took 7090.38 ms. Allocated memory was 146.8 MB in the beginning and 284.2 MB in the end (delta: 137.4 MB). Free memory was 101.2 MB in the beginning and 132.9 MB in the end (delta: -31.7 MB). Peak memory consumption was 105.7 MB. Max. memory is 7.1 GB. [2020-10-22 00:39:59,710 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 146.8 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2020-10-22 00:39:59,710 INFO L168 Benchmark]: CACSL2BoogieTranslator took 699.21 ms. Allocated memory was 146.8 MB in the beginning and 203.4 MB in the end (delta: 56.6 MB). Free memory was 100.4 MB in the beginning and 159.1 MB in the end (delta: -58.7 MB). Peak memory consumption was 21.5 MB. Max. memory is 7.1 GB. [2020-10-22 00:39:59,711 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.23 ms. Allocated memory is still 203.4 MB. Free memory was 159.1 MB in the beginning and 156.5 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. [2020-10-22 00:39:59,712 INFO L168 Benchmark]: Boogie Preprocessor took 27.24 ms. Allocated memory is still 203.4 MB. Free memory was 156.5 MB in the beginning and 155.2 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2020-10-22 00:39:59,713 INFO L168 Benchmark]: RCFGBuilder took 473.84 ms. Allocated memory is still 203.4 MB. Free memory was 154.6 MB in the beginning and 128.9 MB in the end (delta: 25.6 MB). Peak memory consumption was 25.6 MB. Max. memory is 7.1 GB. [2020-10-22 00:39:59,714 INFO L168 Benchmark]: TraceAbstraction took 5830.33 ms. Allocated memory was 203.4 MB in the beginning and 284.2 MB in the end (delta: 80.7 MB). Free memory was 128.3 MB in the beginning and 132.9 MB in the end (delta: -4.6 MB). Peak memory consumption was 76.1 MB. Max. memory is 7.1 GB. [2020-10-22 00:39:59,718 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 146.8 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 699.21 ms. Allocated memory was 146.8 MB in the beginning and 203.4 MB in the end (delta: 56.6 MB). Free memory was 100.4 MB in the beginning and 159.1 MB in the end (delta: -58.7 MB). Peak memory consumption was 21.5 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 49.23 ms. Allocated memory is still 203.4 MB. Free memory was 159.1 MB in the beginning and 156.5 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 27.24 ms. Allocated memory is still 203.4 MB. Free memory was 156.5 MB in the beginning and 155.2 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 473.84 ms. Allocated memory is still 203.4 MB. Free memory was 154.6 MB in the beginning and 128.9 MB in the end (delta: 25.6 MB). Peak memory consumption was 25.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 5830.33 ms. Allocated memory was 203.4 MB in the beginning and 284.2 MB in the end (delta: 80.7 MB). Free memory was 128.3 MB in the beginning and 132.9 MB in the end (delta: -4.6 MB). Peak memory consumption was 76.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 1064 VarBasedMoverChecksPositive, 36 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 66 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 2.0s, 101 PlacesBefore, 38 PlacesAfterwards, 91 TransitionsBefore, 26 TransitionsAfterwards, 2042 CoEnabledTransitionPairs, 6 FixpointIterations, 19 TrivialSequentialCompositions, 50 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 9 ConcurrentYvCompositions, 2 ChoiceCompositions, 80 TotalNumberOfCompositions, 3854 MoverChecksTotal - PositiveResult [Line: 17]: 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 - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 89 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 5.7s, OverallIterations: 9, TraceHistogramMax: 1, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.1s, HoareTripleCheckerStatistics: 188 SDtfs, 179 SDslu, 299 SDs, 0 SdLazy, 168 SolverSat, 47 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 149 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=706occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 9 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 134 NumberOfCodeBlocks, 134 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 125 ConstructedInterpolants, 0 QuantifiedInterpolants, 4945 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 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...