/usr/bin/java -Xmx16000000000 -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/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/pthread-wmm/mix054_pso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-11af1e5 [2020-10-09 12:46:45,231 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-09 12:46:45,233 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-09 12:46:45,258 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-09 12:46:45,259 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-09 12:46:45,260 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-09 12:46:45,261 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-09 12:46:45,263 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-09 12:46:45,264 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-09 12:46:45,265 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-09 12:46:45,266 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-09 12:46:45,267 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-09 12:46:45,267 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-09 12:46:45,268 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-09 12:46:45,269 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-09 12:46:45,270 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-09 12:46:45,271 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-09 12:46:45,271 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-09 12:46:45,273 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-09 12:46:45,275 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-09 12:46:45,276 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-09 12:46:45,277 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-09 12:46:45,278 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-09 12:46:45,279 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-09 12:46:45,281 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-09 12:46:45,281 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-09 12:46:45,282 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-09 12:46:45,283 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-09 12:46:45,283 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-09 12:46:45,284 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-09 12:46:45,284 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-09 12:46:45,285 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-09 12:46:45,285 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-09 12:46:45,286 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-09 12:46:45,287 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-09 12:46:45,287 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-09 12:46:45,288 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-09 12:46:45,288 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-09 12:46:45,288 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-09 12:46:45,289 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-09 12:46:45,290 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-09 12:46:45,291 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 [2020-10-09 12:46:45,313 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-09 12:46:45,313 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-09 12:46:45,314 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-09 12:46:45,314 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-09 12:46:45,315 INFO L138 SettingsManager]: * Use SBE=true [2020-10-09 12:46:45,315 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-09 12:46:45,315 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-09 12:46:45,315 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-09 12:46:45,315 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-09 12:46:45,316 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-09 12:46:45,316 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-09 12:46:45,316 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-09 12:46:45,316 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-09 12:46:45,316 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-09 12:46:45,317 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-09 12:46:45,317 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-09 12:46:45,317 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-09 12:46:45,317 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-09 12:46:45,317 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-09 12:46:45,317 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-09 12:46:45,318 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-09 12:46:45,318 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-09 12:46:45,318 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-09 12:46:45,318 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-09 12:46:45,318 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-09 12:46:45,319 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-09 12:46:45,319 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-09 12:46:45,319 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-09 12:46:45,319 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-09 12:46:45,319 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-09 12:46:45,605 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-09 12:46:45,621 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-09 12:46:45,624 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-09 12:46:45,626 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-09 12:46:45,626 INFO L275 PluginConnector]: CDTParser initialized [2020-10-09 12:46:45,627 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix054_pso.opt.i [2020-10-09 12:46:45,688 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d5a7de85e/64715dc949b64091aedb34d2706f18ab/FLAG6cc239c31 [2020-10-09 12:46:46,113 INFO L306 CDTParser]: Found 1 translation units. [2020-10-09 12:46:46,114 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix054_pso.opt.i [2020-10-09 12:46:46,134 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d5a7de85e/64715dc949b64091aedb34d2706f18ab/FLAG6cc239c31 [2020-10-09 12:46:46,428 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d5a7de85e/64715dc949b64091aedb34d2706f18ab [2020-10-09 12:46:46,437 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-09 12:46:46,439 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-09 12:46:46,443 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-09 12:46:46,444 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-09 12:46:46,448 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-09 12:46:46,449 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.10 12:46:46" (1/1) ... [2020-10-09 12:46:46,452 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3624502a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 12:46:46, skipping insertion in model container [2020-10-09 12:46:46,453 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.10 12:46:46" (1/1) ... [2020-10-09 12:46:46,463 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-09 12:46:46,529 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-09 12:46:47,002 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-09 12:46:47,013 INFO L203 MainTranslator]: Completed pre-run [2020-10-09 12:46:47,092 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-09 12:46:47,189 INFO L208 MainTranslator]: Completed translation [2020-10-09 12:46:47,190 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 12:46:47 WrapperNode [2020-10-09 12:46:47,190 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-09 12:46:47,193 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-09 12:46:47,194 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-09 12:46:47,194 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-09 12:46:47,203 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 12:46:47" (1/1) ... [2020-10-09 12:46:47,222 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 12:46:47" (1/1) ... [2020-10-09 12:46:47,257 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-09 12:46:47,258 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-09 12:46:47,258 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-09 12:46:47,258 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-09 12:46:47,268 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 12:46:47" (1/1) ... [2020-10-09 12:46:47,268 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 12:46:47" (1/1) ... [2020-10-09 12:46:47,273 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 12:46:47" (1/1) ... [2020-10-09 12:46:47,273 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 12:46:47" (1/1) ... [2020-10-09 12:46:47,283 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 12:46:47" (1/1) ... [2020-10-09 12:46:47,286 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 12:46:47" (1/1) ... [2020-10-09 12:46:47,290 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 12:46:47" (1/1) ... [2020-10-09 12:46:47,295 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-09 12:46:47,296 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-09 12:46:47,296 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-09 12:46:47,296 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-09 12:46:47,297 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 12:46:47" (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 [2020-10-09 12:46:47,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-09 12:46:47,379 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-09 12:46:47,379 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-09 12:46:47,379 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-09 12:46:47,380 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-10-09 12:46:47,380 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-10-09 12:46:47,380 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-10-09 12:46:47,381 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-10-09 12:46:47,381 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-09 12:46:47,382 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-09 12:46:47,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-09 12:46:47,384 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-09 12:46:49,351 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-09 12:46:49,351 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-09 12:46:49,353 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.10 12:46:49 BoogieIcfgContainer [2020-10-09 12:46:49,353 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-09 12:46:49,356 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-09 12:46:49,356 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-09 12:46:49,359 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-09 12:46:49,360 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.10 12:46:46" (1/3) ... [2020-10-09 12:46:49,362 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47baee9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.10 12:46:49, skipping insertion in model container [2020-10-09 12:46:49,362 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 12:46:47" (2/3) ... [2020-10-09 12:46:49,363 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47baee9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.10 12:46:49, skipping insertion in model container [2020-10-09 12:46:49,364 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.10 12:46:49" (3/3) ... [2020-10-09 12:46:49,367 INFO L111 eAbstractionObserver]: Analyzing ICFG mix054_pso.opt.i [2020-10-09 12:46:49,380 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-09 12:46:49,380 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-09 12:46:49,389 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-10-09 12:46:49,390 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-09 12:46:49,416 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 12:46:49,416 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 12:46:49,416 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 12:46:49,417 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 12:46:49,417 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 12:46:49,417 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 12:46:49,417 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 12:46:49,418 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 12:46:49,418 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 12:46:49,418 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 12:46:49,418 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 12:46:49,419 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 12:46:49,419 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 12:46:49,420 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 12:46:49,420 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 12:46:49,420 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 12:46:49,420 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 12:46:49,421 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 12:46:49,421 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 12:46:49,421 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 12:46:49,421 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 12:46:49,422 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 12:46:49,422 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 12:46:49,422 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 12:46:49,422 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 12:46:49,422 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 12:46:49,422 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 12:46:49,423 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 12:46:49,423 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 12:46:49,423 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 12:46:49,427 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 12:46:49,427 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 12:46:49,428 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 12:46:49,428 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 12:46:49,428 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 12:46:49,428 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 12:46:49,429 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 12:46:49,429 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 12:46:49,429 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 12:46:49,429 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 12:46:49,431 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 12:46:49,431 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 12:46:49,432 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 12:46:49,432 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 12:46:49,432 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 12:46:49,432 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 12:46:49,432 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 12:46:49,433 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 12:46:49,433 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 12:46:49,433 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 12:46:49,433 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 12:46:49,433 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 12:46:49,451 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-09 12:46:49,471 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-09 12:46:49,472 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-09 12:46:49,472 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-09 12:46:49,472 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-09 12:46:49,472 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-09 12:46:49,472 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-09 12:46:49,472 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-09 12:46:49,473 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-09 12:46:49,485 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-09 12:46:49,487 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 80 places, 75 transitions, 160 flow [2020-10-09 12:46:49,490 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 80 places, 75 transitions, 160 flow [2020-10-09 12:46:49,492 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 80 places, 75 transitions, 160 flow [2020-10-09 12:46:49,531 INFO L129 PetriNetUnfolder]: 2/73 cut-off events. [2020-10-09 12:46:49,532 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-09 12:46:49,536 INFO L80 FinitePrefix]: Finished finitePrefix Result has 80 conditions, 73 events. 2/73 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 48 event pairs, 0 based on Foata normal form. 0/69 useless extension candidates. Maximal degree in co-relation 45. Up to 2 conditions per place. [2020-10-09 12:46:49,539 INFO L117 LiptonReduction]: Number of co-enabled transitions 888 [2020-10-09 12:46:49,595 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-10-09 12:46:49,596 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-09 12:46:49,598 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-09 12:46:49,598 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-09 12:46:49,603 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-09 12:46:49,603 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-09 12:46:49,607 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-09 12:46:49,607 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-09 12:46:49,634 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-10-09 12:46:49,634 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-09 12:46:49,636 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-09 12:46:49,636 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-09 12:46:49,640 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-09 12:46:49,640 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-09 12:46:49,643 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-09 12:46:49,644 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-09 12:46:50,082 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-09 12:46:50,083 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-09 12:46:50,084 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-09 12:46:50,084 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-09 12:46:50,088 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-09 12:46:50,088 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-09 12:46:50,091 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-09 12:46:50,091 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-09 12:46:50,110 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-10-09 12:46:50,111 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-09 12:46:50,112 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-09 12:46:50,112 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-09 12:46:50,115 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-09 12:46:50,116 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-09 12:46:50,118 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-09 12:46:50,119 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-09 12:46:50,178 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-09 12:46:50,178 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-09 12:46:50,179 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-09 12:46:50,180 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-09 12:46:50,183 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-09 12:46:50,183 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-09 12:46:50,186 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-09 12:46:50,186 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-09 12:46:50,203 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-10-09 12:46:50,204 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-09 12:46:50,205 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-09 12:46:50,206 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-09 12:46:50,208 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-09 12:46:50,208 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-09 12:46:50,211 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-09 12:46:50,211 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-09 12:46:50,283 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 3, 2, 1] term [2020-10-09 12:46:50,284 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-09 12:46:50,285 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 2, 1] term [2020-10-09 12:46:50,286 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-09 12:46:50,300 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 2, 5, 3, 3, 2, 1] term [2020-10-09 12:46:50,300 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-09 12:46:50,302 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-10-09 12:46:50,303 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-09 12:46:50,304 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 2, 4, 3, 3, 2, 1] term [2020-10-09 12:46:50,304 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-09 12:46:50,328 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 2, 2, 1] term [2020-10-09 12:46:50,328 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-09 12:46:50,329 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 2, 1] term [2020-10-09 12:46:50,329 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-09 12:46:51,547 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 224 DAG size of output: 184 [2020-10-09 12:46:51,552 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 2, 2, 1] term [2020-10-09 12:46:51,552 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-09 12:46:51,553 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 2, 1] term [2020-10-09 12:46:51,553 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-09 12:46:52,267 WARN L193 SmtUtils]: Spent 693.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 119 [2020-10-09 12:46:52,322 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-09 12:46:52,323 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-09 12:46:52,324 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-09 12:46:52,324 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-09 12:46:52,326 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-09 12:46:52,327 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-09 12:46:52,330 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-09 12:46:52,331 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-09 12:46:52,352 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-10-09 12:46:52,352 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-09 12:46:52,353 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-09 12:46:52,354 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-09 12:46:52,356 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-09 12:46:52,356 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-09 12:46:52,359 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-09 12:46:52,360 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-09 12:46:52,410 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-10-09 12:46:52,412 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-09 12:46:52,415 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[7, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-10-09 12:46:52,416 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-09 12:46:52,450 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 3, 3, 2, 3, 2, 1] term [2020-10-09 12:46:52,451 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-09 12:46:52,452 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-09 12:46:52,453 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-09 12:46:52,454 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-09 12:46:52,454 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-09 12:46:52,456 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-09 12:46:52,456 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-09 12:46:52,460 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 3, 4, 3, 3, 2, 3, 2, 3, 2, 1] term [2020-10-09 12:46:52,461 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-09 12:46:52,462 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 3, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-09 12:46:52,463 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-09 12:46:52,467 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[6, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-10-09 12:46:52,467 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-09 12:46:52,470 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 3, 5, 3, 4, 3, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-09 12:46:52,471 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-09 12:46:52,472 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 3, 5, 3, 4, 3, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-09 12:46:52,473 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-09 12:46:52,774 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 3, 3, 2, 3, 2, 1] term [2020-10-09 12:46:52,775 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-09 12:46:52,776 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-09 12:46:52,776 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-09 12:46:52,778 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-09 12:46:52,778 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-09 12:46:52,780 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-09 12:46:52,780 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-09 12:46:52,786 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 3, 4, 3, 3, 2, 3, 2, 3, 2, 1] term [2020-10-09 12:46:52,786 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-09 12:46:52,788 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 3, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-09 12:46:52,788 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-09 12:46:52,793 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[6, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-10-09 12:46:52,794 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-09 12:46:52,795 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 3, 5, 3, 4, 3, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-09 12:46:52,795 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-09 12:46:52,797 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 3, 5, 3, 4, 3, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-09 12:46:52,798 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-09 12:46:52,827 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-10-09 12:46:52,828 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-09 12:46:52,838 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[7, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-10-09 12:46:52,838 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-09 12:46:53,377 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 63 [2020-10-09 12:46:54,240 WARN L193 SmtUtils]: Spent 627.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 118 [2020-10-09 12:46:54,530 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-09 12:46:54,634 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-10-09 12:46:54,634 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-09 12:46:54,635 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-09 12:46:54,635 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-09 12:46:54,637 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-09 12:46:54,637 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-09 12:46:54,639 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-09 12:46:54,639 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-09 12:46:54,657 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-09 12:46:54,657 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-09 12:46:54,658 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-09 12:46:54,659 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-09 12:46:54,660 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-09 12:46:54,660 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-09 12:46:54,661 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[6, 2, 4, 2, 3, 2, 1] term [2020-10-09 12:46:54,662 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-09 12:46:54,709 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-10-09 12:46:54,710 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-09 12:46:54,711 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-09 12:46:54,711 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-09 12:46:54,713 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-09 12:46:54,713 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-09 12:46:54,714 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[6, 2, 4, 2, 3, 2, 1] term [2020-10-09 12:46:54,714 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-09 12:46:54,732 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-09 12:46:54,733 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-09 12:46:54,733 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-09 12:46:54,734 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-09 12:46:54,735 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-09 12:46:54,735 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-09 12:46:54,737 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-09 12:46:54,738 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-09 12:46:54,908 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-10-09 12:46:54,909 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-09 12:46:54,909 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-09 12:46:54,910 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-09 12:46:54,911 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-09 12:46:54,912 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-09 12:46:54,913 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-09 12:46:54,914 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-09 12:46:54,931 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-09 12:46:54,931 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-09 12:46:54,932 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-09 12:46:54,932 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-09 12:46:54,933 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-09 12:46:54,934 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-09 12:46:54,935 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-09 12:46:54,935 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-09 12:46:54,986 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-10-09 12:46:54,986 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-09 12:46:54,987 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-09 12:46:54,987 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-09 12:46:54,989 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-09 12:46:54,989 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-09 12:46:54,992 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-09 12:46:54,993 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-09 12:46:55,018 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-10-09 12:46:55,019 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-09 12:46:55,019 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-09 12:46:55,020 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-09 12:46:55,022 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-09 12:46:55,023 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-09 12:46:55,025 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-09 12:46:55,026 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-09 12:46:55,428 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 79 [2020-10-09 12:46:55,525 INFO L132 LiptonReduction]: Checked pairs total: 2289 [2020-10-09 12:46:55,525 INFO L134 LiptonReduction]: Total number of compositions: 66 [2020-10-09 12:46:55,532 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 27 places, 21 transitions, 52 flow [2020-10-09 12:46:55,551 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 192 states. [2020-10-09 12:46:55,553 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states. [2020-10-09 12:46:55,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-10-09 12:46:55,559 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 12:46:55,560 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-10-09 12:46:55,560 INFO L429 AbstractCegarLoop]: === Iteration 1 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 12:46:55,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 12:46:55,566 INFO L82 PathProgramCache]: Analyzing trace with hash 862545524, now seen corresponding path program 1 times [2020-10-09 12:46:55,575 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 12:46:55,576 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [125861933] [2020-10-09 12:46:55,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 12:46:55,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 12:46:55,774 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 12:46:55,774 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [125861933] [2020-10-09 12:46:55,775 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-09 12:46:55,775 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-09 12:46:55,776 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1426374395] [2020-10-09 12:46:55,781 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-09 12:46:55,781 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 12:46:55,795 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-09 12:46:55,796 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-09 12:46:55,798 INFO L87 Difference]: Start difference. First operand 192 states. Second operand 3 states. [2020-10-09 12:46:55,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 12:46:55,856 INFO L93 Difference]: Finished difference Result 162 states and 385 transitions. [2020-10-09 12:46:55,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-09 12:46:55,858 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2020-10-09 12:46:55,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 12:46:55,870 INFO L225 Difference]: With dead ends: 162 [2020-10-09 12:46:55,870 INFO L226 Difference]: Without dead ends: 137 [2020-10-09 12:46:55,872 INFO L673 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 [2020-10-09 12:46:55,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2020-10-09 12:46:55,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2020-10-09 12:46:55,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2020-10-09 12:46:55,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 320 transitions. [2020-10-09 12:46:55,921 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 320 transitions. Word has length 5 [2020-10-09 12:46:55,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 12:46:55,921 INFO L481 AbstractCegarLoop]: Abstraction has 137 states and 320 transitions. [2020-10-09 12:46:55,921 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-09 12:46:55,921 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 320 transitions. [2020-10-09 12:46:55,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-10-09 12:46:55,922 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 12:46:55,923 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 12:46:55,923 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-09 12:46:55,923 INFO L429 AbstractCegarLoop]: === Iteration 2 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 12:46:55,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 12:46:55,923 INFO L82 PathProgramCache]: Analyzing trace with hash -694030530, now seen corresponding path program 1 times [2020-10-09 12:46:55,924 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 12:46:55,924 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [22012369] [2020-10-09 12:46:55,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 12:46:56,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 12:46:56,167 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 12:46:56,168 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [22012369] [2020-10-09 12:46:56,168 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-09 12:46:56,168 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-09 12:46:56,169 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1757905801] [2020-10-09 12:46:56,170 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-09 12:46:56,170 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 12:46:56,171 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-09 12:46:56,171 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-09 12:46:56,171 INFO L87 Difference]: Start difference. First operand 137 states and 320 transitions. Second operand 5 states. [2020-10-09 12:46:56,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 12:46:56,316 INFO L93 Difference]: Finished difference Result 159 states and 353 transitions. [2020-10-09 12:46:56,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-09 12:46:56,316 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 8 [2020-10-09 12:46:56,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 12:46:56,321 INFO L225 Difference]: With dead ends: 159 [2020-10-09 12:46:56,321 INFO L226 Difference]: Without dead ends: 134 [2020-10-09 12:46:56,321 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-09 12:46:56,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2020-10-09 12:46:56,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2020-10-09 12:46:56,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2020-10-09 12:46:56,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 310 transitions. [2020-10-09 12:46:56,338 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 310 transitions. Word has length 8 [2020-10-09 12:46:56,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 12:46:56,338 INFO L481 AbstractCegarLoop]: Abstraction has 134 states and 310 transitions. [2020-10-09 12:46:56,338 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-09 12:46:56,338 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 310 transitions. [2020-10-09 12:46:56,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-09 12:46:56,339 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 12:46:56,340 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 12:46:56,340 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-09 12:46:56,340 INFO L429 AbstractCegarLoop]: === Iteration 3 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 12:46:56,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 12:46:56,340 INFO L82 PathProgramCache]: Analyzing trace with hash -40157678, now seen corresponding path program 1 times [2020-10-09 12:46:56,341 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 12:46:56,341 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1910601722] [2020-10-09 12:46:56,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 12:46:56,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 12:46:56,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 12:46:56,604 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1910601722] [2020-10-09 12:46:56,604 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-09 12:46:56,605 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-09 12:46:56,605 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1726635803] [2020-10-09 12:46:56,605 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-09 12:46:56,605 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 12:46:56,606 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-09 12:46:56,606 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-09 12:46:56,606 INFO L87 Difference]: Start difference. First operand 134 states and 310 transitions. Second operand 6 states. [2020-10-09 12:46:56,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 12:46:56,766 INFO L93 Difference]: Finished difference Result 146 states and 321 transitions. [2020-10-09 12:46:56,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-09 12:46:56,767 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 9 [2020-10-09 12:46:56,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 12:46:56,769 INFO L225 Difference]: With dead ends: 146 [2020-10-09 12:46:56,769 INFO L226 Difference]: Without dead ends: 126 [2020-10-09 12:46:56,769 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-10-09 12:46:56,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2020-10-09 12:46:56,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 126. [2020-10-09 12:46:56,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126 states. [2020-10-09 12:46:56,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 286 transitions. [2020-10-09 12:46:56,779 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 286 transitions. Word has length 9 [2020-10-09 12:46:56,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 12:46:56,779 INFO L481 AbstractCegarLoop]: Abstraction has 126 states and 286 transitions. [2020-10-09 12:46:56,779 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-09 12:46:56,780 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 286 transitions. [2020-10-09 12:46:56,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-09 12:46:56,781 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 12:46:56,781 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 12:46:56,781 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-09 12:46:56,781 INFO L429 AbstractCegarLoop]: === Iteration 4 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 12:46:56,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 12:46:56,781 INFO L82 PathProgramCache]: Analyzing trace with hash 742708133, now seen corresponding path program 1 times [2020-10-09 12:46:56,782 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 12:46:56,782 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1695189490] [2020-10-09 12:46:56,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 12:46:56,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 12:46:56,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 12:46:56,936 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1695189490] [2020-10-09 12:46:56,936 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-09 12:46:56,936 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-09 12:46:56,937 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1192283748] [2020-10-09 12:46:56,937 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-09 12:46:56,937 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 12:46:56,938 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-09 12:46:56,938 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-09 12:46:56,938 INFO L87 Difference]: Start difference. First operand 126 states and 286 transitions. Second operand 6 states. [2020-10-09 12:46:57,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 12:46:57,091 INFO L93 Difference]: Finished difference Result 139 states and 303 transitions. [2020-10-09 12:46:57,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-09 12:46:57,091 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 10 [2020-10-09 12:46:57,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 12:46:57,093 INFO L225 Difference]: With dead ends: 139 [2020-10-09 12:46:57,093 INFO L226 Difference]: Without dead ends: 124 [2020-10-09 12:46:57,093 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-09 12:46:57,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2020-10-09 12:46:57,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 123. [2020-10-09 12:46:57,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2020-10-09 12:46:57,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 278 transitions. [2020-10-09 12:46:57,110 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 278 transitions. Word has length 10 [2020-10-09 12:46:57,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 12:46:57,110 INFO L481 AbstractCegarLoop]: Abstraction has 123 states and 278 transitions. [2020-10-09 12:46:57,110 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-09 12:46:57,110 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 278 transitions. [2020-10-09 12:46:57,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-09 12:46:57,115 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 12:46:57,116 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 12:46:57,116 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-09 12:46:57,116 INFO L429 AbstractCegarLoop]: === Iteration 5 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 12:46:57,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 12:46:57,116 INFO L82 PathProgramCache]: Analyzing trace with hash 1549051578, now seen corresponding path program 1 times [2020-10-09 12:46:57,117 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 12:46:57,117 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [595816228] [2020-10-09 12:46:57,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 12:46:57,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 12:46:57,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 12:46:57,421 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [595816228] [2020-10-09 12:46:57,421 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-09 12:46:57,422 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-09 12:46:57,422 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [825175653] [2020-10-09 12:46:57,422 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-09 12:46:57,423 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 12:46:57,423 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-09 12:46:57,423 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-09 12:46:57,423 INFO L87 Difference]: Start difference. First operand 123 states and 278 transitions. Second operand 7 states. [2020-10-09 12:46:57,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 12:46:57,537 INFO L93 Difference]: Finished difference Result 129 states and 283 transitions. [2020-10-09 12:46:57,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-09 12:46:57,537 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 11 [2020-10-09 12:46:57,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 12:46:57,538 INFO L225 Difference]: With dead ends: 129 [2020-10-09 12:46:57,539 INFO L226 Difference]: Without dead ends: 119 [2020-10-09 12:46:57,539 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-09 12:46:57,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2020-10-09 12:46:57,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2020-10-09 12:46:57,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2020-10-09 12:46:57,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 268 transitions. [2020-10-09 12:46:57,546 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 268 transitions. Word has length 11 [2020-10-09 12:46:57,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 12:46:57,546 INFO L481 AbstractCegarLoop]: Abstraction has 119 states and 268 transitions. [2020-10-09 12:46:57,547 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-09 12:46:57,547 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 268 transitions. [2020-10-09 12:46:57,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-09 12:46:57,548 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 12:46:57,548 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 12:46:57,548 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-09 12:46:57,549 INFO L429 AbstractCegarLoop]: === Iteration 6 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 12:46:57,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 12:46:57,549 INFO L82 PathProgramCache]: Analyzing trace with hash 1549067915, now seen corresponding path program 1 times [2020-10-09 12:46:57,549 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 12:46:57,550 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [773800058] [2020-10-09 12:46:57,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 12:46:57,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 12:46:57,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 12:46:57,717 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [773800058] [2020-10-09 12:46:57,718 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-09 12:46:57,718 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-09 12:46:57,718 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [504046596] [2020-10-09 12:46:57,718 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-09 12:46:57,719 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 12:46:57,719 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-09 12:46:57,719 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-09 12:46:57,719 INFO L87 Difference]: Start difference. First operand 119 states and 268 transitions. Second operand 7 states. [2020-10-09 12:46:57,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 12:46:57,939 INFO L93 Difference]: Finished difference Result 147 states and 323 transitions. [2020-10-09 12:46:57,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-09 12:46:57,940 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 11 [2020-10-09 12:46:57,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 12:46:57,941 INFO L225 Difference]: With dead ends: 147 [2020-10-09 12:46:57,942 INFO L226 Difference]: Without dead ends: 131 [2020-10-09 12:46:57,942 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2020-10-09 12:46:57,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2020-10-09 12:46:57,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 121. [2020-10-09 12:46:57,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states. [2020-10-09 12:46:57,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 269 transitions. [2020-10-09 12:46:57,949 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 269 transitions. Word has length 11 [2020-10-09 12:46:57,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 12:46:57,949 INFO L481 AbstractCegarLoop]: Abstraction has 121 states and 269 transitions. [2020-10-09 12:46:57,949 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-09 12:46:57,950 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 269 transitions. [2020-10-09 12:46:57,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-09 12:46:57,951 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 12:46:57,951 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 12:46:57,951 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-09 12:46:57,951 INFO L429 AbstractCegarLoop]: === Iteration 7 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 12:46:57,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 12:46:57,952 INFO L82 PathProgramCache]: Analyzing trace with hash 61343251, now seen corresponding path program 1 times [2020-10-09 12:46:57,952 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 12:46:57,952 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1887848372] [2020-10-09 12:46:57,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 12:46:57,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 12:46:58,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 12:46:58,065 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1887848372] [2020-10-09 12:46:58,065 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-09 12:46:58,065 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-09 12:46:58,066 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [893235983] [2020-10-09 12:46:58,066 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-09 12:46:58,066 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 12:46:58,066 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-09 12:46:58,067 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-09 12:46:58,067 INFO L87 Difference]: Start difference. First operand 121 states and 269 transitions. Second operand 4 states. [2020-10-09 12:46:58,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 12:46:58,105 INFO L93 Difference]: Finished difference Result 140 states and 292 transitions. [2020-10-09 12:46:58,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-09 12:46:58,106 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2020-10-09 12:46:58,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 12:46:58,107 INFO L225 Difference]: With dead ends: 140 [2020-10-09 12:46:58,107 INFO L226 Difference]: Without dead ends: 113 [2020-10-09 12:46:58,108 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-09 12:46:58,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2020-10-09 12:46:58,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2020-10-09 12:46:58,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2020-10-09 12:46:58,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 245 transitions. [2020-10-09 12:46:58,113 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 245 transitions. Word has length 11 [2020-10-09 12:46:58,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 12:46:58,113 INFO L481 AbstractCegarLoop]: Abstraction has 113 states and 245 transitions. [2020-10-09 12:46:58,113 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-09 12:46:58,113 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 245 transitions. [2020-10-09 12:46:58,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-09 12:46:58,114 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 12:46:58,114 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 12:46:58,114 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-09 12:46:58,115 INFO L429 AbstractCegarLoop]: === Iteration 8 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 12:46:58,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 12:46:58,115 INFO L82 PathProgramCache]: Analyzing trace with hash -1345758819, now seen corresponding path program 2 times [2020-10-09 12:46:58,115 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 12:46:58,116 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1804779889] [2020-10-09 12:46:58,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 12:46:58,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 12:46:58,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 12:46:58,189 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1804779889] [2020-10-09 12:46:58,189 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-09 12:46:58,189 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-09 12:46:58,189 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [910256881] [2020-10-09 12:46:58,190 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-09 12:46:58,190 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 12:46:58,190 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-09 12:46:58,191 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-09 12:46:58,191 INFO L87 Difference]: Start difference. First operand 113 states and 245 transitions. Second operand 5 states. [2020-10-09 12:46:58,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 12:46:58,247 INFO L93 Difference]: Finished difference Result 102 states and 185 transitions. [2020-10-09 12:46:58,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-09 12:46:58,249 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11 [2020-10-09 12:46:58,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 12:46:58,250 INFO L225 Difference]: With dead ends: 102 [2020-10-09 12:46:58,250 INFO L226 Difference]: Without dead ends: 76 [2020-10-09 12:46:58,250 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-09 12:46:58,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2020-10-09 12:46:58,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2020-10-09 12:46:58,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2020-10-09 12:46:58,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 130 transitions. [2020-10-09 12:46:58,254 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 130 transitions. Word has length 11 [2020-10-09 12:46:58,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 12:46:58,254 INFO L481 AbstractCegarLoop]: Abstraction has 76 states and 130 transitions. [2020-10-09 12:46:58,254 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-09 12:46:58,254 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 130 transitions. [2020-10-09 12:46:58,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-09 12:46:58,255 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 12:46:58,255 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 12:46:58,255 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-09 12:46:58,256 INFO L429 AbstractCegarLoop]: === Iteration 9 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 12:46:58,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 12:46:58,256 INFO L82 PathProgramCache]: Analyzing trace with hash 1248066376, now seen corresponding path program 1 times [2020-10-09 12:46:58,256 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 12:46:58,256 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [507284767] [2020-10-09 12:46:58,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 12:46:58,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 12:46:58,317 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 12:46:58,318 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [507284767] [2020-10-09 12:46:58,318 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-09 12:46:58,318 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-09 12:46:58,319 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1043204499] [2020-10-09 12:46:58,319 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-09 12:46:58,319 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 12:46:58,319 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-09 12:46:58,319 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-09 12:46:58,320 INFO L87 Difference]: Start difference. First operand 76 states and 130 transitions. Second operand 5 states. [2020-10-09 12:46:58,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 12:46:58,353 INFO L93 Difference]: Finished difference Result 55 states and 86 transitions. [2020-10-09 12:46:58,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-09 12:46:58,354 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 12 [2020-10-09 12:46:58,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 12:46:58,354 INFO L225 Difference]: With dead ends: 55 [2020-10-09 12:46:58,354 INFO L226 Difference]: Without dead ends: 46 [2020-10-09 12:46:58,355 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-09 12:46:58,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2020-10-09 12:46:58,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 41. [2020-10-09 12:46:58,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2020-10-09 12:46:58,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 64 transitions. [2020-10-09 12:46:58,357 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 64 transitions. Word has length 12 [2020-10-09 12:46:58,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 12:46:58,357 INFO L481 AbstractCegarLoop]: Abstraction has 41 states and 64 transitions. [2020-10-09 12:46:58,357 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-09 12:46:58,357 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 64 transitions. [2020-10-09 12:46:58,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-09 12:46:58,358 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 12:46:58,358 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 12:46:58,358 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-09 12:46:58,359 INFO L429 AbstractCegarLoop]: === Iteration 10 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 12:46:58,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 12:46:58,359 INFO L82 PathProgramCache]: Analyzing trace with hash 859005772, now seen corresponding path program 1 times [2020-10-09 12:46:58,359 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 12:46:58,359 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1511477123] [2020-10-09 12:46:58,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 12:46:58,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 12:46:58,520 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 12:46:58,520 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1511477123] [2020-10-09 12:46:58,521 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-09 12:46:58,521 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-09 12:46:58,521 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1688208276] [2020-10-09 12:46:58,521 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-09 12:46:58,522 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 12:46:58,522 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-09 12:46:58,522 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-10-09 12:46:58,522 INFO L87 Difference]: Start difference. First operand 41 states and 64 transitions. Second operand 8 states. [2020-10-09 12:46:58,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 12:46:58,600 INFO L93 Difference]: Finished difference Result 60 states and 91 transitions. [2020-10-09 12:46:58,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-09 12:46:58,600 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 16 [2020-10-09 12:46:58,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 12:46:58,601 INFO L225 Difference]: With dead ends: 60 [2020-10-09 12:46:58,601 INFO L226 Difference]: Without dead ends: 29 [2020-10-09 12:46:58,601 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2020-10-09 12:46:58,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2020-10-09 12:46:58,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2020-10-09 12:46:58,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2020-10-09 12:46:58,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 40 transitions. [2020-10-09 12:46:58,603 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 40 transitions. Word has length 16 [2020-10-09 12:46:58,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 12:46:58,603 INFO L481 AbstractCegarLoop]: Abstraction has 29 states and 40 transitions. [2020-10-09 12:46:58,603 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-09 12:46:58,603 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 40 transitions. [2020-10-09 12:46:58,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-09 12:46:58,604 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 12:46:58,604 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 12:46:58,604 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-09 12:46:58,604 INFO L429 AbstractCegarLoop]: === Iteration 11 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 12:46:58,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 12:46:58,605 INFO L82 PathProgramCache]: Analyzing trace with hash 1784061012, now seen corresponding path program 2 times [2020-10-09 12:46:58,605 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 12:46:58,605 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1746847195] [2020-10-09 12:46:58,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 12:46:58,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 12:46:58,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 12:46:58,671 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1746847195] [2020-10-09 12:46:58,671 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-09 12:46:58,671 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-09 12:46:58,672 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1891704550] [2020-10-09 12:46:58,672 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-09 12:46:58,672 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 12:46:58,672 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-09 12:46:58,672 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-09 12:46:58,673 INFO L87 Difference]: Start difference. First operand 29 states and 40 transitions. Second operand 5 states. [2020-10-09 12:46:58,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 12:46:58,708 INFO L93 Difference]: Finished difference Result 44 states and 60 transitions. [2020-10-09 12:46:58,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-09 12:46:58,708 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2020-10-09 12:46:58,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 12:46:58,709 INFO L225 Difference]: With dead ends: 44 [2020-10-09 12:46:58,709 INFO L226 Difference]: Without dead ends: 25 [2020-10-09 12:46:58,709 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-09 12:46:58,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2020-10-09 12:46:58,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2020-10-09 12:46:58,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2020-10-09 12:46:58,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 32 transitions. [2020-10-09 12:46:58,711 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 32 transitions. Word has length 16 [2020-10-09 12:46:58,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 12:46:58,711 INFO L481 AbstractCegarLoop]: Abstraction has 25 states and 32 transitions. [2020-10-09 12:46:58,711 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-09 12:46:58,711 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 32 transitions. [2020-10-09 12:46:58,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-09 12:46:58,712 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 12:46:58,712 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 12:46:58,712 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-09 12:46:58,712 INFO L429 AbstractCegarLoop]: === Iteration 12 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 12:46:58,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 12:46:58,713 INFO L82 PathProgramCache]: Analyzing trace with hash -141973066, now seen corresponding path program 3 times [2020-10-09 12:46:58,713 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 12:46:58,713 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [61619320] [2020-10-09 12:46:58,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 12:46:58,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 12:46:58,933 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 12:46:58,934 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [61619320] [2020-10-09 12:46:58,934 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-09 12:46:58,934 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-09 12:46:58,934 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1834617842] [2020-10-09 12:46:58,935 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-09 12:46:58,935 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 12:46:58,935 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-09 12:46:58,935 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-10-09 12:46:58,936 INFO L87 Difference]: Start difference. First operand 25 states and 32 transitions. Second operand 9 states. [2020-10-09 12:46:59,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 12:46:59,058 INFO L93 Difference]: Finished difference Result 34 states and 42 transitions. [2020-10-09 12:46:59,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-09 12:46:59,059 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 16 [2020-10-09 12:46:59,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 12:46:59,060 INFO L225 Difference]: With dead ends: 34 [2020-10-09 12:46:59,060 INFO L226 Difference]: Without dead ends: 21 [2020-10-09 12:46:59,061 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2020-10-09 12:46:59,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2020-10-09 12:46:59,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2020-10-09 12:46:59,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2020-10-09 12:46:59,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 24 transitions. [2020-10-09 12:46:59,062 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 24 transitions. Word has length 16 [2020-10-09 12:46:59,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 12:46:59,065 INFO L481 AbstractCegarLoop]: Abstraction has 21 states and 24 transitions. [2020-10-09 12:46:59,065 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-09 12:46:59,065 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 24 transitions. [2020-10-09 12:46:59,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-09 12:46:59,066 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 12:46:59,066 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 12:46:59,066 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-09 12:46:59,066 INFO L429 AbstractCegarLoop]: === Iteration 13 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 12:46:59,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 12:46:59,066 INFO L82 PathProgramCache]: Analyzing trace with hash 1111540702, now seen corresponding path program 4 times [2020-10-09 12:46:59,067 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 12:46:59,067 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [360483386] [2020-10-09 12:46:59,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 12:46:59,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-09 12:46:59,118 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-09 12:46:59,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-09 12:46:59,150 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-09 12:46:59,211 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-09 12:46:59,212 INFO L519 BasicCegarLoop]: Counterexample might be feasible [2020-10-09 12:46:59,212 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-09 12:46:59,232 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-09 12:46:59,232 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-09 12:46:59,237 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-09 12:46:59,237 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-09 12:46:59,238 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-09 12:46:59,238 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-09 12:46:59,238 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-09 12:46:59,238 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-09 12:46:59,239 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-09 12:46:59,239 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-09 12:46:59,239 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-09 12:46:59,239 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-09 12:46:59,243 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-09 12:46:59,243 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-09 12:46:59,243 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-09 12:46:59,244 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-09 12:46:59,244 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-09 12:46:59,244 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-09 12:46:59,244 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-09 12:46:59,244 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-09 12:46:59,245 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-09 12:46:59,245 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-09 12:46:59,245 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-09 12:46:59,245 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-09 12:46:59,246 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-09 12:46:59,246 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-09 12:46:59,246 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-09 12:46:59,247 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-09 12:46:59,248 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-09 12:46:59,248 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-09 12:46:59,248 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-09 12:46:59,248 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-09 12:46:59,249 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-09 12:46:59,249 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-09 12:46:59,249 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-09 12:46:59,249 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-09 12:46:59,250 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-09 12:46:59,250 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-09 12:46:59,254 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-09 12:46:59,254 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-09 12:46:59,254 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-09 12:46:59,255 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-09 12:46:59,255 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-09 12:46:59,255 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-09 12:46:59,255 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-09 12:46:59,255 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-09 12:46:59,255 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-09 12:46:59,255 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-09 12:46:59,256 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-09 12:46:59,256 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-09 12:46:59,256 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-09 12:46:59,256 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-09 12:46:59,256 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-09 12:46:59,256 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-09 12:46:59,257 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-09 12:46:59,257 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-09 12:46:59,257 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-09 12:46:59,257 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-09 12:46:59,335 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.10 12:46:59 BasicIcfg [2020-10-09 12:46:59,336 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-09 12:46:59,338 INFO L168 Benchmark]: Toolchain (without parser) took 12898.76 ms. Allocated memory was 250.6 MB in the beginning and 504.9 MB in the end (delta: 254.3 MB). Free memory was 204.9 MB in the beginning and 271.7 MB in the end (delta: -66.7 MB). Peak memory consumption was 187.5 MB. Max. memory is 14.2 GB. [2020-10-09 12:46:59,339 INFO L168 Benchmark]: CDTParser took 1.32 ms. Allocated memory is still 250.6 MB. Free memory is still 227.0 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-09 12:46:59,340 INFO L168 Benchmark]: CACSL2BoogieTranslator took 747.34 ms. Allocated memory was 250.6 MB in the beginning and 312.5 MB in the end (delta: 61.9 MB). Free memory was 204.9 MB in the beginning and 265.0 MB in the end (delta: -60.1 MB). Peak memory consumption was 35.9 MB. Max. memory is 14.2 GB. [2020-10-09 12:46:59,341 INFO L168 Benchmark]: Boogie Procedure Inliner took 63.99 ms. Allocated memory is still 312.5 MB. Free memory was 265.0 MB in the beginning and 262.5 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-09 12:46:59,342 INFO L168 Benchmark]: Boogie Preprocessor took 37.62 ms. Allocated memory is still 312.5 MB. Free memory was 262.5 MB in the beginning and 259.9 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-09 12:46:59,347 INFO L168 Benchmark]: RCFGBuilder took 2057.95 ms. Allocated memory was 312.5 MB in the beginning and 356.5 MB in the end (delta: 44.0 MB). Free memory was 259.9 MB in the beginning and 218.4 MB in the end (delta: 41.5 MB). Peak memory consumption was 101.6 MB. Max. memory is 14.2 GB. [2020-10-09 12:46:59,348 INFO L168 Benchmark]: TraceAbstraction took 9979.76 ms. Allocated memory was 356.5 MB in the beginning and 504.9 MB in the end (delta: 148.4 MB). Free memory was 218.4 MB in the beginning and 271.7 MB in the end (delta: -53.2 MB). Peak memory consumption was 95.2 MB. Max. memory is 14.2 GB. [2020-10-09 12:46:59,355 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.32 ms. Allocated memory is still 250.6 MB. Free memory is still 227.0 MB. There was no memory consumed. Max. memory is 14.2 GB. * CACSL2BoogieTranslator took 747.34 ms. Allocated memory was 250.6 MB in the beginning and 312.5 MB in the end (delta: 61.9 MB). Free memory was 204.9 MB in the beginning and 265.0 MB in the end (delta: -60.1 MB). Peak memory consumption was 35.9 MB. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 63.99 ms. Allocated memory is still 312.5 MB. Free memory was 265.0 MB in the beginning and 262.5 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * Boogie Preprocessor took 37.62 ms. Allocated memory is still 312.5 MB. Free memory was 262.5 MB in the beginning and 259.9 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * RCFGBuilder took 2057.95 ms. Allocated memory was 312.5 MB in the beginning and 356.5 MB in the end (delta: 44.0 MB). Free memory was 259.9 MB in the beginning and 218.4 MB in the end (delta: 41.5 MB). Peak memory consumption was 101.6 MB. Max. memory is 14.2 GB. * TraceAbstraction took 9979.76 ms. Allocated memory was 356.5 MB in the beginning and 504.9 MB in the end (delta: 148.4 MB). Free memory was 218.4 MB in the beginning and 271.7 MB in the end (delta: -53.2 MB). Peak memory consumption was 95.2 MB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 528 VarBasedMoverChecksPositive, 52 VarBasedMoverChecksNegative, 19 SemBasedMoverChecksPositive, 33 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 1.1s, 56 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 6.0s, 80 PlacesBefore, 27 PlacesAfterwards, 75 TransitionsBefore, 21 TransitionsAfterwards, 888 CoEnabledTransitionPairs, 6 FixpointIterations, 28 TrivialSequentialCompositions, 29 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 8 ConcurrentYvCompositions, 1 ChoiceCompositions, 66 TotalNumberOfCompositions, 2289 MoverChecksTotal - CounterExampleResult [Line: 7]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L697] 0 int __unbuffered_cnt = 0; [L699] 0 int __unbuffered_p1_EAX = 0; [L700] 0 _Bool main$tmp_guard0; [L701] 0 _Bool main$tmp_guard1; [L703] 0 int x = 0; [L704] 0 _Bool x$flush_delayed; [L705] 0 int x$mem_tmp; [L706] 0 _Bool x$r_buff0_thd0; [L707] 0 _Bool x$r_buff0_thd1; [L708] 0 _Bool x$r_buff0_thd2; [L709] 0 _Bool x$r_buff1_thd0; [L710] 0 _Bool x$r_buff1_thd1; [L711] 0 _Bool x$r_buff1_thd2; [L712] 0 _Bool x$read_delayed; [L713] 0 int *x$read_delayed_var; [L714] 0 int x$w_buff0; [L715] 0 _Bool x$w_buff0_used; [L716] 0 int x$w_buff1; [L717] 0 _Bool x$w_buff1_used; [L719] 0 int y = 0; [L720] 0 _Bool weak$$choice0; [L721] 0 _Bool weak$$choice2; [L781] 0 pthread_t t1447; [L782] FCALL, FORK 0 pthread_create(&t1447, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L783] 0 pthread_t t1448; [L784] FCALL, FORK 0 pthread_create(&t1448, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L745] 2 x$w_buff1 = x$w_buff0 [L746] 2 x$w_buff0 = 2 [L747] 2 x$w_buff1_used = x$w_buff0_used [L748] 2 x$w_buff0_used = (_Bool)1 [L7] COND TRUE 2 !expression [L7] 2 __VERIFIER_error() [L750] 2 x$r_buff1_thd0 = x$r_buff0_thd0 [L751] 2 x$r_buff1_thd1 = x$r_buff0_thd1 [L752] 2 x$r_buff1_thd2 = x$r_buff0_thd2 [L753] 2 x$r_buff0_thd2 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=0] [L756] 2 __unbuffered_p1_EAX = y VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=0] [L725] 1 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1] [L728] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1] [L759] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L759] 2 x = x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L760] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L760] 2 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L761] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used [L761] 2 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used [L762] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 [L762] 2 x$r_buff0_thd2 = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 [L763] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2 [L763] 2 x$r_buff1_thd2 = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2 [L766] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L768] 2 return 0; [L731] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd1 ? x$w_buff1 : x) [L731] EXPR 1 x$w_buff1_used && x$r_buff1_thd1 ? x$w_buff1 : x [L731] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd1 ? x$w_buff1 : x) [L731] 1 x = x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd1 ? x$w_buff1 : x) [L732] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used [L732] 1 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used [L733] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$w_buff1_used [L733] 1 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$w_buff1_used [L734] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1 [L734] 1 x$r_buff0_thd1 = x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1 [L735] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$r_buff1_thd1 [L735] 1 x$r_buff1_thd1 = x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$r_buff1_thd1 [L738] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L740] 1 return 0; [L786] 0 main$tmp_guard0 = __unbuffered_cnt == 2 VAL [\result={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1] [L3] COND FALSE 0 !(!cond) [L790] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L790] 0 x = x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L791] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used [L791] 0 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used [L792] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$w_buff1_used [L792] 0 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$w_buff1_used [L793] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0 [L793] 0 x$r_buff0_thd0 = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0 [L794] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$r_buff1_thd0 [L794] 0 x$r_buff1_thd0 = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$r_buff1_thd0 [L797] 0 weak$$choice0 = __VERIFIER_nondet_bool() [L798] 0 weak$$choice2 = __VERIFIER_nondet_bool() [L799] 0 x$flush_delayed = weak$$choice2 [L800] 0 x$mem_tmp = x [L801] EXPR 0 !x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : x$w_buff1) [L801] 0 x = !x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : x$w_buff1) [L802] EXPR 0 weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : x$w_buff0)) [L802] 0 x$w_buff0 = weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : x$w_buff0)) [L803] EXPR 0 weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff1 : x$w_buff1)) [L803] EXPR 0 !x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff1 : x$w_buff1) [L803] EXPR 0 weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff1 : x$w_buff1)) [L803] 0 x$w_buff1 = weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff1 : x$w_buff1)) [L804] EXPR 0 weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used)) [L804] 0 x$w_buff0_used = weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used)) [L805] EXPR 0 weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L805] 0 x$w_buff1_used = weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L806] EXPR 0 weak$$choice2 ? x$r_buff0_thd0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff0_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0)) [L806] EXPR 0 !x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff0_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0) [L806] EXPR 0 weak$$choice2 ? x$r_buff0_thd0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff0_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0)) [L806] 0 x$r_buff0_thd0 = weak$$choice2 ? x$r_buff0_thd0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff0_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0)) [L807] EXPR 0 weak$$choice2 ? x$r_buff1_thd0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff1_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L807] EXPR 0 !x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff1_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0) [L807] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0 [L807] EXPR 0 !x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff1_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0) [L807] EXPR 0 weak$$choice2 ? x$r_buff1_thd0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff1_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L807] 0 x$r_buff1_thd0 = weak$$choice2 ? x$r_buff1_thd0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff1_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L808] 0 main$tmp_guard1 = !(x == 2 && __unbuffered_p1_EAX == 0) [L809] EXPR 0 x$flush_delayed ? x$mem_tmp : x [L809] 0 x = x$flush_delayed ? x$mem_tmp : x [L810] 0 x$flush_delayed = (_Bool)0 [L7] COND TRUE 0 !expression [L7] 0 __VERIFIER_error() VAL [\result={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=6, weak$$choice2=0, x=2, x$flush_delayed=0, x$mem_tmp=2, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 74 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 9.7s, OverallIterations: 13, TraceHistogramMax: 1, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 6.0s, HoareTripleCheckerStatistics: 204 SDtfs, 263 SDslu, 444 SDs, 0 SdLazy, 328 SolverSat, 107 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 72 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=192occurred 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, 12 MinimizatonAttempts, 16 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 152 NumberOfCodeBlocks, 152 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 124 ConstructedInterpolants, 0 QuantifiedInterpolants, 16302 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 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 incorrect! Received shutdown request...