/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-WP.epf -i ../../../trunk/examples/svcomp/pthread-wmm/mix034_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c7e336b [2020-10-06 00:35:47,995 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-06 00:35:47,998 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-06 00:35:48,038 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-06 00:35:48,039 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-06 00:35:48,043 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-06 00:35:48,045 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-06 00:35:48,050 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-06 00:35:48,054 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-06 00:35:48,055 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-06 00:35:48,056 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-06 00:35:48,058 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-06 00:35:48,059 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-06 00:35:48,063 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-06 00:35:48,065 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-06 00:35:48,066 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-06 00:35:48,068 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-06 00:35:48,070 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-06 00:35:48,072 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-06 00:35:48,080 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-06 00:35:48,081 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-06 00:35:48,082 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-06 00:35:48,083 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-06 00:35:48,084 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-06 00:35:48,086 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-06 00:35:48,089 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-06 00:35:48,089 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-06 00:35:48,090 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-06 00:35:48,091 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-06 00:35:48,092 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-06 00:35:48,092 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-06 00:35:48,093 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-06 00:35:48,093 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-06 00:35:48,093 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-06 00:35:48,094 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-06 00:35:48,095 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-06 00:35:48,095 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-WP.epf [2020-10-06 00:35:48,121 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-06 00:35:48,121 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-06 00:35:48,122 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-06 00:35:48,123 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-06 00:35:48,123 INFO L138 SettingsManager]: * Use SBE=true [2020-10-06 00:35:48,123 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-06 00:35:48,123 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-06 00:35:48,124 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-06 00:35:48,124 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-06 00:35:48,124 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-06 00:35:48,124 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-06 00:35:48,124 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-06 00:35:48,125 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-06 00:35:48,125 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-06 00:35:48,125 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-06 00:35:48,125 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-06 00:35:48,125 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-06 00:35:48,126 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-06 00:35:48,126 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-06 00:35:48,126 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-06 00:35:48,126 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-06 00:35:48,126 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-06 00:35:48,127 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-06 00:35:48,127 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-06 00:35:48,127 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-06 00:35:48,127 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-06 00:35:48,128 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-06 00:35:48,128 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2020-10-06 00:35:48,128 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-06 00:35:48,128 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-06 00:35:48,128 INFO L138 SettingsManager]: * Interpolant automaton=MCR [2020-10-06 00:35:48,432 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-06 00:35:48,444 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-06 00:35:48,447 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-06 00:35:48,449 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-06 00:35:48,450 INFO L275 PluginConnector]: CDTParser initialized [2020-10-06 00:35:48,451 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix034_tso.opt.i [2020-10-06 00:35:48,522 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fbf773158/5bab58699a9a4119943a8eded1485286/FLAGeb4bd5b48 [2020-10-06 00:35:49,110 INFO L306 CDTParser]: Found 1 translation units. [2020-10-06 00:35:49,111 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix034_tso.opt.i [2020-10-06 00:35:49,130 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fbf773158/5bab58699a9a4119943a8eded1485286/FLAGeb4bd5b48 [2020-10-06 00:35:49,463 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fbf773158/5bab58699a9a4119943a8eded1485286 [2020-10-06 00:35:49,472 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-06 00:35:49,474 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-06 00:35:49,476 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-06 00:35:49,476 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-06 00:35:49,479 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-06 00:35:49,481 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.10 12:35:49" (1/1) ... [2020-10-06 00:35:49,484 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10260339 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:35:49, skipping insertion in model container [2020-10-06 00:35:49,484 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.10 12:35:49" (1/1) ... [2020-10-06 00:35:49,492 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-06 00:35:49,540 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-06 00:35:50,022 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-06 00:35:50,040 INFO L203 MainTranslator]: Completed pre-run [2020-10-06 00:35:50,148 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-06 00:35:50,226 INFO L208 MainTranslator]: Completed translation [2020-10-06 00:35:50,227 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:35:50 WrapperNode [2020-10-06 00:35:50,227 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-06 00:35:50,228 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-06 00:35:50,228 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-06 00:35:50,228 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-06 00:35:50,238 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:35:50" (1/1) ... [2020-10-06 00:35:50,257 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:35:50" (1/1) ... [2020-10-06 00:35:50,292 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-06 00:35:50,292 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-06 00:35:50,293 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-06 00:35:50,293 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-06 00:35:50,304 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:35:50" (1/1) ... [2020-10-06 00:35:50,304 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:35:50" (1/1) ... [2020-10-06 00:35:50,309 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:35:50" (1/1) ... [2020-10-06 00:35:50,309 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:35:50" (1/1) ... [2020-10-06 00:35:50,321 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:35:50" (1/1) ... [2020-10-06 00:35:50,325 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:35:50" (1/1) ... [2020-10-06 00:35:50,329 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:35:50" (1/1) ... [2020-10-06 00:35:50,333 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-06 00:35:50,334 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-06 00:35:50,334 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-06 00:35:50,334 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-06 00:35:50,335 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:35:50" (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 [2020-10-06 00:35:50,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-06 00:35:50,404 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-06 00:35:50,404 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-06 00:35:50,404 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-06 00:35:50,405 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-10-06 00:35:50,405 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-10-06 00:35:50,405 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-10-06 00:35:50,405 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-10-06 00:35:50,405 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-06 00:35:50,405 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-06 00:35:50,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-06 00:35:50,408 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-06 00:35:52,113 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-06 00:35:52,114 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-06 00:35:52,116 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 12:35:52 BoogieIcfgContainer [2020-10-06 00:35:52,117 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-06 00:35:52,118 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-06 00:35:52,118 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-06 00:35:52,122 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-06 00:35:52,122 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.10 12:35:49" (1/3) ... [2020-10-06 00:35:52,123 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2aa30e62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.10 12:35:52, skipping insertion in model container [2020-10-06 00:35:52,124 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:35:50" (2/3) ... [2020-10-06 00:35:52,124 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2aa30e62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.10 12:35:52, skipping insertion in model container [2020-10-06 00:35:52,124 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 12:35:52" (3/3) ... [2020-10-06 00:35:52,126 INFO L109 eAbstractionObserver]: Analyzing ICFG mix034_tso.opt.i [2020-10-06 00:35:52,138 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-06 00:35:52,138 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-06 00:35:52,146 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-10-06 00:35:52,148 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-06 00:35:52,179 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:35:52,179 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:35:52,180 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:35:52,180 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:35:52,180 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:35:52,180 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:35:52,181 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:35:52,181 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:35:52,181 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:35:52,181 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:35:52,182 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:35:52,182 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:35:52,182 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:35:52,182 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:35:52,183 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:35:52,183 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:35:52,183 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:35:52,183 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:35:52,183 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:35:52,183 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:35:52,184 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:35:52,184 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:35:52,184 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:35:52,184 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:35:52,185 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:35:52,185 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:35:52,185 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:35:52,185 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:35:52,185 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:35:52,186 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:35:52,186 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:35:52,186 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:35:52,186 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:35:52,186 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:35:52,187 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:35:52,187 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:35:52,187 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:35:52,187 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:35:52,188 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:35:52,188 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:35:52,188 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:35:52,188 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:35:52,190 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:35:52,191 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:35:52,192 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:35:52,192 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:35:52,192 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:35:52,192 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:35:52,193 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:35:52,193 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:35:52,193 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:35:52,193 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:35:52,194 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:35:52,194 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:35:52,194 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:35:52,194 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:35:52,195 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:35:52,195 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:35:52,195 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:35:52,196 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:35:52,196 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:35:52,200 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:35:52,200 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:35:52,201 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:35:52,201 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:35:52,201 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:35:52,201 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:35:52,202 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:35:52,202 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:35:52,202 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:35:52,202 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:35:52,203 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:35:52,203 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:35:52,203 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:35:52,203 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:35:52,204 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:35:52,204 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:35:52,204 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:35:52,204 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:35:52,230 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:35:52,230 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:35:52,230 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:35:52,230 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:35:52,231 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:35:52,231 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:35:52,231 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:35:52,231 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:35:52,232 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:35:52,237 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:35:52,238 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:35:52,238 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:35:52,238 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:35:52,238 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:35:52,239 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:35:52,239 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:35:52,239 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:35:52,239 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:35:52,239 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:35:52,240 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:35:52,240 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:35:52,254 INFO L251 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-06 00:35:52,276 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-06 00:35:52,276 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-06 00:35:52,276 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-06 00:35:52,276 INFO L378 AbstractCegarLoop]: Backedges is MCR [2020-10-06 00:35:52,277 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-06 00:35:52,277 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-06 00:35:52,277 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-06 00:35:52,277 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-06 00:35:52,295 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 84 places, 79 transitions, 168 flow [2020-10-06 00:35:52,297 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 84 places, 79 transitions, 168 flow [2020-10-06 00:35:52,358 INFO L129 PetriNetUnfolder]: 2/77 cut-off events. [2020-10-06 00:35:52,359 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-06 00:35:52,364 INFO L80 FinitePrefix]: Finished finitePrefix Result has 84 conditions, 77 events. 2/77 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. 0/73 useless extension candidates. Maximal degree in co-relation 46. Up to 2 conditions per place. [2020-10-06 00:35:52,370 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 84 places, 79 transitions, 168 flow [2020-10-06 00:35:52,411 INFO L129 PetriNetUnfolder]: 2/77 cut-off events. [2020-10-06 00:35:52,411 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-06 00:35:52,412 INFO L80 FinitePrefix]: Finished finitePrefix Result has 84 conditions, 77 events. 2/77 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. 0/73 useless extension candidates. Maximal degree in co-relation 46. Up to 2 conditions per place. [2020-10-06 00:35:52,415 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 936 [2020-10-06 00:35:52,417 INFO L182 etLargeBlockEncoding]: Variable Check. [2020-10-06 00:35:52,977 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2020-10-06 00:35:53,106 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2020-10-06 00:35:53,748 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2020-10-06 00:35:54,426 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2020-10-06 00:35:54,628 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 85 [2020-10-06 00:35:54,738 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2020-10-06 00:35:54,744 INFO L206 etLargeBlockEncoding]: Checked pairs total: 2371 [2020-10-06 00:35:54,744 INFO L214 etLargeBlockEncoding]: Total number of compositions: 66 [2020-10-06 00:35:54,749 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 28 places, 22 transitions, 54 flow [2020-10-06 00:35:54,776 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 206 states. [2020-10-06 00:35:54,778 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states. [2020-10-06 00:35:54,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-10-06 00:35:54,798 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 00:35:54,799 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-10-06 00:35:54,800 INFO L427 AbstractCegarLoop]: === Iteration 1 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 00:35:54,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 00:35:54,807 INFO L82 PathProgramCache]: Analyzing trace with hash 784274248, now seen corresponding path program 1 times [2020-10-06 00:35:54,827 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 00:35:54,827 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1854005502] [2020-10-06 00:35:54,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 00:35:54,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 00:35:55,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-06 00:35:55,047 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1854005502] [2020-10-06 00:35:55,048 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-06 00:35:55,048 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-06 00:35:55,049 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1991661942] [2020-10-06 00:35:55,050 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 00:35:55,053 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 00:35:55,065 INFO L258 McrAutomatonBuilder]: Finished intersection with 6 states and 5 transitions. [2020-10-06 00:35:55,065 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 00:35:55,069 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-06 00:35:55,070 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-06 00:35:55,070 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 00:35:55,081 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-06 00:35:55,082 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-06 00:35:55,083 INFO L87 Difference]: Start difference. First operand 206 states. Second operand 3 states. [2020-10-06 00:35:55,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 00:35:55,162 INFO L93 Difference]: Finished difference Result 178 states and 426 transitions. [2020-10-06 00:35:55,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-06 00:35:55,164 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2020-10-06 00:35:55,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 00:35:55,176 INFO L225 Difference]: With dead ends: 178 [2020-10-06 00:35:55,176 INFO L226 Difference]: Without dead ends: 130 [2020-10-06 00:35:55,178 INFO L675 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 [2020-10-06 00:35:55,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2020-10-06 00:35:55,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 130. [2020-10-06 00:35:55,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2020-10-06 00:35:55,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 302 transitions. [2020-10-06 00:35:55,238 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 302 transitions. Word has length 5 [2020-10-06 00:35:55,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 00:35:55,238 INFO L479 AbstractCegarLoop]: Abstraction has 130 states and 302 transitions. [2020-10-06 00:35:55,239 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-06 00:35:55,239 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 302 transitions. [2020-10-06 00:35:55,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-10-06 00:35:55,240 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 00:35:55,240 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-10-06 00:35:55,240 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-06 00:35:55,241 INFO L427 AbstractCegarLoop]: === Iteration 2 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 00:35:55,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 00:35:55,241 INFO L82 PathProgramCache]: Analyzing trace with hash -306548240, now seen corresponding path program 1 times [2020-10-06 00:35:55,245 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 00:35:55,245 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1343824356] [2020-10-06 00:35:55,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 00:35:55,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 00:35:55,357 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-06 00:35:55,357 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1343824356] [2020-10-06 00:35:55,357 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-06 00:35:55,358 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-06 00:35:55,358 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [2061301186] [2020-10-06 00:35:55,359 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 00:35:55,360 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 00:35:55,363 INFO L258 McrAutomatonBuilder]: Finished intersection with 9 states and 8 transitions. [2020-10-06 00:35:55,363 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 00:35:55,364 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-06 00:35:55,369 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-06 00:35:55,369 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 00:35:55,370 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-06 00:35:55,370 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-06 00:35:55,370 INFO L87 Difference]: Start difference. First operand 130 states and 302 transitions. Second operand 4 states. [2020-10-06 00:35:55,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 00:35:55,398 INFO L93 Difference]: Finished difference Result 138 states and 304 transitions. [2020-10-06 00:35:55,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-06 00:35:55,399 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2020-10-06 00:35:55,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 00:35:55,400 INFO L225 Difference]: With dead ends: 138 [2020-10-06 00:35:55,401 INFO L226 Difference]: Without dead ends: 114 [2020-10-06 00:35:55,402 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-06 00:35:55,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2020-10-06 00:35:55,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2020-10-06 00:35:55,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2020-10-06 00:35:55,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 258 transitions. [2020-10-06 00:35:55,414 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 258 transitions. Word has length 8 [2020-10-06 00:35:55,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 00:35:55,414 INFO L479 AbstractCegarLoop]: Abstraction has 114 states and 258 transitions. [2020-10-06 00:35:55,414 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-06 00:35:55,415 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 258 transitions. [2020-10-06 00:35:55,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-06 00:35:55,416 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 00:35:55,416 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-06 00:35:55,416 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-06 00:35:55,416 INFO L427 AbstractCegarLoop]: === Iteration 3 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 00:35:55,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 00:35:55,417 INFO L82 PathProgramCache]: Analyzing trace with hash 1142395630, now seen corresponding path program 1 times [2020-10-06 00:35:55,419 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 00:35:55,419 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1624616093] [2020-10-06 00:35:55,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 00:35:55,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 00:35:55,548 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-06 00:35:55,549 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1624616093] [2020-10-06 00:35:55,549 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-06 00:35:55,549 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-06 00:35:55,549 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1663579730] [2020-10-06 00:35:55,550 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 00:35:55,551 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 00:35:55,553 INFO L258 McrAutomatonBuilder]: Finished intersection with 14 states and 16 transitions. [2020-10-06 00:35:55,553 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 00:35:55,608 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-06 00:35:55,608 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-06 00:35:55,609 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 00:35:55,609 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-06 00:35:55,609 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-06 00:35:55,609 INFO L87 Difference]: Start difference. First operand 114 states and 258 transitions. Second operand 4 states. [2020-10-06 00:35:55,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 00:35:55,648 INFO L93 Difference]: Finished difference Result 90 states and 167 transitions. [2020-10-06 00:35:55,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-06 00:35:55,650 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2020-10-06 00:35:55,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 00:35:55,651 INFO L225 Difference]: With dead ends: 90 [2020-10-06 00:35:55,651 INFO L226 Difference]: Without dead ends: 66 [2020-10-06 00:35:55,651 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-06 00:35:55,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2020-10-06 00:35:55,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2020-10-06 00:35:55,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2020-10-06 00:35:55,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 114 transitions. [2020-10-06 00:35:55,657 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 114 transitions. Word has length 10 [2020-10-06 00:35:55,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 00:35:55,658 INFO L479 AbstractCegarLoop]: Abstraction has 66 states and 114 transitions. [2020-10-06 00:35:55,658 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-06 00:35:55,658 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 114 transitions. [2020-10-06 00:35:55,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-06 00:35:55,659 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 00:35:55,659 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-06 00:35:55,659 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-06 00:35:55,660 INFO L427 AbstractCegarLoop]: === Iteration 4 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 00:35:55,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 00:35:55,660 INFO L82 PathProgramCache]: Analyzing trace with hash -1030418024, now seen corresponding path program 1 times [2020-10-06 00:35:55,663 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 00:35:55,664 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1026857085] [2020-10-06 00:35:55,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 00:35:55,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 00:35:55,881 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-06 00:35:55,882 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1026857085] [2020-10-06 00:35:55,882 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-06 00:35:55,882 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-06 00:35:55,883 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [496245525] [2020-10-06 00:35:55,883 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 00:35:55,886 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 00:35:55,892 INFO L258 McrAutomatonBuilder]: Finished intersection with 25 states and 35 transitions. [2020-10-06 00:35:55,892 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 00:35:55,986 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-06 00:35:56,037 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-06 00:35:56,072 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-06 00:35:56,073 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-06 00:35:56,073 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 00:35:56,074 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-06 00:35:56,074 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-06 00:35:56,074 INFO L87 Difference]: Start difference. First operand 66 states and 114 transitions. Second operand 5 states. [2020-10-06 00:35:56,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 00:35:56,189 INFO L93 Difference]: Finished difference Result 47 states and 74 transitions. [2020-10-06 00:35:56,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-06 00:35:56,190 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-10-06 00:35:56,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 00:35:56,191 INFO L225 Difference]: With dead ends: 47 [2020-10-06 00:35:56,191 INFO L226 Difference]: Without dead ends: 38 [2020-10-06 00:35:56,192 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 3 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-06 00:35:56,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2020-10-06 00:35:56,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2020-10-06 00:35:56,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2020-10-06 00:35:56,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 58 transitions. [2020-10-06 00:35:56,196 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 58 transitions. Word has length 13 [2020-10-06 00:35:56,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 00:35:56,196 INFO L479 AbstractCegarLoop]: Abstraction has 38 states and 58 transitions. [2020-10-06 00:35:56,196 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-06 00:35:56,196 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 58 transitions. [2020-10-06 00:35:56,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-06 00:35:56,197 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 00:35:56,198 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-06 00:35:56,198 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-06 00:35:56,198 INFO L427 AbstractCegarLoop]: === Iteration 5 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 00:35:56,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 00:35:56,198 INFO L82 PathProgramCache]: Analyzing trace with hash -635098278, now seen corresponding path program 1 times [2020-10-06 00:35:56,200 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 00:35:56,200 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1438188757] [2020-10-06 00:35:56,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 00:35:56,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 00:35:56,319 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-06 00:35:56,320 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1438188757] [2020-10-06 00:35:56,320 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-06 00:35:56,320 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-06 00:35:56,325 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [225171565] [2020-10-06 00:35:56,325 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 00:35:56,332 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 00:35:56,346 INFO L258 McrAutomatonBuilder]: Finished intersection with 27 states and 36 transitions. [2020-10-06 00:35:56,346 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 00:35:56,448 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-06 00:35:56,449 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-06 00:35:56,449 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 00:35:56,450 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-06 00:35:56,451 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-06 00:35:56,451 INFO L87 Difference]: Start difference. First operand 38 states and 58 transitions. Second operand 5 states. [2020-10-06 00:35:56,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 00:35:56,498 INFO L93 Difference]: Finished difference Result 50 states and 73 transitions. [2020-10-06 00:35:56,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-06 00:35:56,499 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2020-10-06 00:35:56,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 00:35:56,500 INFO L225 Difference]: With dead ends: 50 [2020-10-06 00:35:56,500 INFO L226 Difference]: Without dead ends: 23 [2020-10-06 00:35:56,501 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-06 00:35:56,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2020-10-06 00:35:56,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2020-10-06 00:35:56,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2020-10-06 00:35:56,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 28 transitions. [2020-10-06 00:35:56,506 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 28 transitions. Word has length 16 [2020-10-06 00:35:56,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 00:35:56,506 INFO L479 AbstractCegarLoop]: Abstraction has 23 states and 28 transitions. [2020-10-06 00:35:56,507 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-06 00:35:56,507 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 28 transitions. [2020-10-06 00:35:56,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-06 00:35:56,509 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 00:35:56,509 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-06 00:35:56,509 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-06 00:35:56,509 INFO L427 AbstractCegarLoop]: === Iteration 6 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 00:35:56,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 00:35:56,510 INFO L82 PathProgramCache]: Analyzing trace with hash 1756913320, now seen corresponding path program 2 times [2020-10-06 00:35:56,513 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 00:35:56,514 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [448330977] [2020-10-06 00:35:56,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 00:35:56,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 00:35:56,838 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-06 00:35:56,839 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [448330977] [2020-10-06 00:35:56,839 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-06 00:35:56,839 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-06 00:35:56,840 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1010167253] [2020-10-06 00:35:56,840 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 00:35:56,844 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 00:35:56,851 INFO L258 McrAutomatonBuilder]: Finished intersection with 20 states and 22 transitions. [2020-10-06 00:35:56,851 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 00:35:56,886 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-06 00:35:56,887 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-06 00:35:56,892 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 3, 3, 2, 2, 1] term [2020-10-06 00:35:56,892 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-06 00:35:56,894 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 3, 3, 2, 2, 1] term [2020-10-06 00:35:56,895 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-06 00:35:56,897 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-06 00:35:56,898 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-10-06 00:35:56,917 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-06 00:35:56,921 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-06 00:35:56,925 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-06 00:35:56,930 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-06 00:35:56,933 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-06 00:35:56,939 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 3 conjuncts [2020-10-06 00:35:56,949 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-10-06 00:35:56,954 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-06 00:35:56,957 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-06 00:35:56,960 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-06 00:35:56,965 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-10-06 00:35:56,972 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-06 00:35:56,973 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-06 00:35:56,980 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-06 00:35:56,981 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-06 00:35:56,986 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-10-06 00:35:56,990 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-10-06 00:35:56,994 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-06 00:35:56,998 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-06 00:35:57,001 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-06 00:35:57,005 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-06 00:35:57,007 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-06 00:35:57,014 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[6, 5, 4, 2, 3, 2, 1] term [2020-10-06 00:35:57,014 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-06 00:35:57,126 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 2 new interpolants: [1785#(and (= ~__unbuffered_p0_EAX~0 1) (<= ~__unbuffered_cnt~0 0) (<= 0 ~__unbuffered_cnt~0)), 1786#(and (= ~x$w_buff0~0 1) (not (= (mod ~x$r_buff0_thd2~0 256) 0)) (<= ~__unbuffered_cnt~0 0) (<= 0 ~__unbuffered_cnt~0) (not (= (mod ~x$w_buff0_used~0 256) 0)))] [2020-10-06 00:35:57,127 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-06 00:35:57,127 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 00:35:57,127 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-06 00:35:57,128 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2020-10-06 00:35:57,128 INFO L87 Difference]: Start difference. First operand 23 states and 28 transitions. Second operand 12 states. [2020-10-06 00:35:57,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 00:35:57,330 INFO L93 Difference]: Finished difference Result 30 states and 35 transitions. [2020-10-06 00:35:57,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-06 00:35:57,330 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 16 [2020-10-06 00:35:57,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 00:35:57,331 INFO L225 Difference]: With dead ends: 30 [2020-10-06 00:35:57,331 INFO L226 Difference]: Without dead ends: 19 [2020-10-06 00:35:57,332 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2020-10-06 00:35:57,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2020-10-06 00:35:57,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2020-10-06 00:35:57,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2020-10-06 00:35:57,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 20 transitions. [2020-10-06 00:35:57,339 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 20 transitions. Word has length 16 [2020-10-06 00:35:57,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 00:35:57,340 INFO L479 AbstractCegarLoop]: Abstraction has 19 states and 20 transitions. [2020-10-06 00:35:57,340 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-06 00:35:57,340 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 20 transitions. [2020-10-06 00:35:57,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-06 00:35:57,341 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 00:35:57,341 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-06 00:35:57,341 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-06 00:35:57,341 INFO L427 AbstractCegarLoop]: === Iteration 7 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 00:35:57,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 00:35:57,342 INFO L82 PathProgramCache]: Analyzing trace with hash -255963390, now seen corresponding path program 3 times [2020-10-06 00:35:57,350 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 00:35:57,350 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1068595320] [2020-10-06 00:35:57,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 00:35:57,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-06 00:35:57,419 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-06 00:35:57,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-06 00:35:57,482 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-06 00:35:57,522 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-06 00:35:57,522 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-10-06 00:35:57,523 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-06 00:35:57,544 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-06 00:35:57,544 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-06 00:35:57,550 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-06 00:35:57,551 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-06 00:35:57,551 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-06 00:35:57,551 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-06 00:35:57,552 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-06 00:35:57,553 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-06 00:35:57,553 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-06 00:35:57,553 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-06 00:35:57,553 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-06 00:35:57,553 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-06 00:35:57,554 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-06 00:35:57,554 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-06 00:35:57,554 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-06 00:35:57,554 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-06 00:35:57,554 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-06 00:35:57,554 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-06 00:35:57,555 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-06 00:35:57,555 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-06 00:35:57,556 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-06 00:35:57,556 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-06 00:35:57,556 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-06 00:35:57,557 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-06 00:35:57,557 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-06 00:35:57,557 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-06 00:35:57,557 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-06 00:35:57,557 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-06 00:35:57,557 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-06 00:35:57,557 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-06 00:35:57,559 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-06 00:35:57,559 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-06 00:35:57,564 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-06 00:35:57,565 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-06 00:35:57,565 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-06 00:35:57,565 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-06 00:35:57,565 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-06 00:35:57,565 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-06 00:35:57,565 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-06 00:35:57,565 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-06 00:35:57,610 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.10 12:35:57 BasicIcfg [2020-10-06 00:35:57,611 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-06 00:35:57,613 INFO L168 Benchmark]: Toolchain (without parser) took 8138.67 ms. Allocated memory was 139.5 MB in the beginning and 293.6 MB in the end (delta: 154.1 MB). Free memory was 101.1 MB in the beginning and 84.3 MB in the end (delta: 16.8 MB). Peak memory consumption was 170.9 MB. Max. memory is 7.1 GB. [2020-10-06 00:35:57,614 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 139.5 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2020-10-06 00:35:57,615 INFO L168 Benchmark]: CACSL2BoogieTranslator took 752.01 ms. Allocated memory was 139.5 MB in the beginning and 201.3 MB in the end (delta: 61.9 MB). Free memory was 100.9 MB in the beginning and 155.8 MB in the end (delta: -54.9 MB). Peak memory consumption was 24.6 MB. Max. memory is 7.1 GB. [2020-10-06 00:35:57,615 INFO L168 Benchmark]: Boogie Procedure Inliner took 64.14 ms. Allocated memory is still 201.3 MB. Free memory was 155.8 MB in the beginning and 153.2 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. [2020-10-06 00:35:57,616 INFO L168 Benchmark]: Boogie Preprocessor took 41.23 ms. Allocated memory is still 201.3 MB. Free memory was 153.2 MB in the beginning and 151.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2020-10-06 00:35:57,617 INFO L168 Benchmark]: RCFGBuilder took 1782.81 ms. Allocated memory was 201.3 MB in the beginning and 234.9 MB in the end (delta: 33.6 MB). Free memory was 151.2 MB in the beginning and 92.8 MB in the end (delta: 58.4 MB). Peak memory consumption was 91.9 MB. Max. memory is 7.1 GB. [2020-10-06 00:35:57,618 INFO L168 Benchmark]: TraceAbstraction took 5492.74 ms. Allocated memory was 234.9 MB in the beginning and 293.6 MB in the end (delta: 58.7 MB). Free memory was 92.8 MB in the beginning and 84.3 MB in the end (delta: 8.5 MB). Peak memory consumption was 67.2 MB. Max. memory is 7.1 GB. [2020-10-06 00:35:57,631 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 139.5 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 752.01 ms. Allocated memory was 139.5 MB in the beginning and 201.3 MB in the end (delta: 61.9 MB). Free memory was 100.9 MB in the beginning and 155.8 MB in the end (delta: -54.9 MB). Peak memory consumption was 24.6 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 64.14 ms. Allocated memory is still 201.3 MB. Free memory was 155.8 MB in the beginning and 153.2 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 41.23 ms. Allocated memory is still 201.3 MB. Free memory was 153.2 MB in the beginning and 151.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1782.81 ms. Allocated memory was 201.3 MB in the beginning and 234.9 MB in the end (delta: 33.6 MB). Free memory was 151.2 MB in the beginning and 92.8 MB in the end (delta: 58.4 MB). Peak memory consumption was 91.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 5492.74 ms. Allocated memory was 234.9 MB in the beginning and 293.6 MB in the end (delta: 58.7 MB). Free memory was 92.8 MB in the beginning and 84.3 MB in the end (delta: 8.5 MB). Peak memory consumption was 67.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 2.4s, 84 ProgramPointsBefore, 28 ProgramPointsAfterwards, 79 TransitionsBefore, 22 TransitionsAfterwards, 936 CoEnabledTransitionPairs, 7 FixpointIterations, 31 TrivialSequentialCompositions, 29 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 1 ChoiceCompositions, 469 VarBasedMoverChecksPositive, 22 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 2371 CheckedPairsTotal, 66 TotalNumberOfCompositions - CounterExampleResult [Line: 8]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L698] 0 int __unbuffered_cnt = 0; [L700] 0 int __unbuffered_p0_EAX = 0; [L702] 0 int __unbuffered_p1_EAX = 0; [L704] 0 int __unbuffered_p1_EBX = 0; [L705] 0 _Bool main$tmp_guard0; [L706] 0 _Bool main$tmp_guard1; [L708] 0 int x = 0; [L709] 0 _Bool x$flush_delayed; [L710] 0 int x$mem_tmp; [L711] 0 _Bool x$r_buff0_thd0; [L712] 0 _Bool x$r_buff0_thd1; [L713] 0 _Bool x$r_buff0_thd2; [L714] 0 _Bool x$r_buff1_thd0; [L715] 0 _Bool x$r_buff1_thd1; [L716] 0 _Bool x$r_buff1_thd2; [L717] 0 _Bool x$read_delayed; [L718] 0 int *x$read_delayed_var; [L719] 0 int x$w_buff0; [L720] 0 _Bool x$w_buff0_used; [L721] 0 int x$w_buff1; [L722] 0 _Bool x$w_buff1_used; [L724] 0 int y = 0; [L726] 0 int z = 0; [L727] 0 _Bool weak$$choice0; [L728] 0 _Bool weak$$choice2; [L802] 0 pthread_t t911; [L803] FCALL, FORK 0 pthread_create(&t911, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=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, z=0] [L804] 0 pthread_t t912; [L805] FCALL, FORK 0 pthread_create(&t912, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=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, z=0] [L760] 2 x$w_buff1 = x$w_buff0 [L761] 2 x$w_buff0 = 1 [L762] 2 x$w_buff1_used = x$w_buff0_used [L763] 2 x$w_buff0_used = (_Bool)1 [L8] COND TRUE 2 !expression [L8] 2 __VERIFIER_error() [L765] 2 x$r_buff1_thd0 = x$r_buff0_thd0 [L766] 2 x$r_buff1_thd1 = x$r_buff0_thd1 [L767] 2 x$r_buff1_thd2 = x$r_buff0_thd2 [L768] 2 x$r_buff0_thd2 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$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$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L771] 2 y = 1 [L774] 2 __unbuffered_p1_EAX = y VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=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$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=0] [L777] 2 __unbuffered_p1_EBX = z VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=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$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=0] [L732] 1 z = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=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$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] [L735] 1 weak$$choice0 = __VERIFIER_nondet_bool() [L736] 1 weak$$choice2 = __VERIFIER_nondet_bool() [L737] 1 x$flush_delayed = weak$$choice2 [L738] 1 x$mem_tmp = x [L739] EXPR 1 !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff1) [L739] 1 x = !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff1) [L740] EXPR 1 weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff0)) [L740] 1 x$w_buff0 = weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff0)) [L741] EXPR 1 weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff1 : x$w_buff1)) [L741] 1 x$w_buff1 = weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff1 : x$w_buff1)) [L742] EXPR 1 weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used)) [L742] 1 x$w_buff0_used = weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used)) [L743] EXPR 1 weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L743] 1 x$w_buff1_used = weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L744] EXPR 1 weak$$choice2 ? x$r_buff0_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff0_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1)) [L744] 1 x$r_buff0_thd1 = weak$$choice2 ? x$r_buff0_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff0_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1)) [L745] EXPR 1 weak$$choice2 ? x$r_buff1_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff1_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L745] EXPR 1 !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff1_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0) [L745] EXPR 1 weak$$choice2 ? x$r_buff1_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff1_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L745] 1 x$r_buff1_thd1 = weak$$choice2 ? x$r_buff1_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff1_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L746] 1 __unbuffered_p0_EAX = x [L747] EXPR 1 x$flush_delayed ? x$mem_tmp : x [L747] 1 x = x$flush_delayed ? x$mem_tmp : x [L748] 1 x$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=5, weak$$choice2=255, 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$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] [L780] 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) [L780] 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) [L781] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L781] 2 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L782] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used [L782] 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 [L783] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 [L783] 2 x$r_buff0_thd2 = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 [L784] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2 [L784] 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 [L787] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L789] 2 return 0; [L753] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L755] 1 return 0; [L807] 0 main$tmp_guard0 = __unbuffered_cnt == 2 [L4] COND FALSE 0 !(!cond) [L811] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L811] 0 x = x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L812] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used [L812] 0 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used [L813] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$w_buff1_used [L813] 0 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$w_buff1_used [L814] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0 [L814] 0 x$r_buff0_thd0 = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0 [L815] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$r_buff1_thd0 [L815] 0 x$r_buff1_thd0 = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$r_buff1_thd0 [L818] 0 main$tmp_guard1 = !(__unbuffered_p0_EAX == 0 && __unbuffered_p1_EAX == 1 && __unbuffered_p1_EBX == 0) [L8] COND TRUE 0 !expression [L8] 0 __VERIFIER_error() VAL [\result={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=5, weak$$choice2=255, 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$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 78 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 5.2s, OverallIterations: 7, TraceHistogramMax: 1, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.4s, HoareTripleCheckerStatistics: 111 SDtfs, 78 SDslu, 219 SDs, 0 SdLazy, 141 SolverSat, 21 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 57 GetRequests, 24 SyntacticMatches, 4 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=206occurred 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: 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 84 NumberOfCodeBlocks, 84 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 62 ConstructedInterpolants, 0 QuantifiedInterpolants, 4207 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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...