/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.epf -i ../../../trunk/examples/svcomp/ldv-races/race-3_2-container_of-global.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-60655ea [2020-09-15 13:01:38,233 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-15 13:01:38,237 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-15 13:01:38,267 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-15 13:01:38,268 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-15 13:01:38,269 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-15 13:01:38,270 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-15 13:01:38,272 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-15 13:01:38,274 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-15 13:01:38,275 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-15 13:01:38,276 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-15 13:01:38,277 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-15 13:01:38,278 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-15 13:01:38,279 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-15 13:01:38,280 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-15 13:01:38,281 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-15 13:01:38,282 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-15 13:01:38,283 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-15 13:01:38,285 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-15 13:01:38,288 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-15 13:01:38,290 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-15 13:01:38,291 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-15 13:01:38,293 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-15 13:01:38,294 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-15 13:01:38,297 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-09-15 13:01:38,307 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-15 13:01:38,308 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-15 13:01:38,309 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-15 13:01:38,310 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA.epf [2020-09-15 13:01:38,339 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-15 13:01:38,340 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-15 13:01:38,341 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-15 13:01:38,341 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-15 13:01:38,341 INFO L138 SettingsManager]: * Use SBE=true [2020-09-15 13:01:38,342 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-15 13:01:38,342 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-15 13:01:38,342 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-15 13:01:38,342 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-15 13:01:38,342 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-15 13:01:38,343 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-15 13:01:38,343 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-15 13:01:38,343 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-15 13:01:38,343 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-15 13:01:38,343 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-15 13:01:38,344 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-15 13:01:38,344 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-15 13:01:38,344 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-15 13:01:38,344 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-15 13:01:38,345 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-15 13:01:38,345 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-15 13:01:38,345 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-15 13:01:38,345 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-15 13:01:38,345 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-09-15 13:01:38,346 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-15 13:01:38,346 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-15 13:01:38,346 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-15 13:01:38,346 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-09-15 13:01:38,346 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-15 13:01:38,802 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-15 13:01:38,824 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-15 13:01:38,828 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-15 13:01:38,830 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-15 13:01:38,830 INFO L275 PluginConnector]: CDTParser initialized [2020-09-15 13:01:38,831 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-3_2-container_of-global.i [2020-09-15 13:01:38,917 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ad0ac3565/7b005907a39d4a1eb80910563485ac72/FLAGeaa13627a [2020-09-15 13:01:39,669 INFO L306 CDTParser]: Found 1 translation units. [2020-09-15 13:01:39,673 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-races/race-3_2-container_of-global.i [2020-09-15 13:01:39,704 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ad0ac3565/7b005907a39d4a1eb80910563485ac72/FLAGeaa13627a [2020-09-15 13:01:39,820 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ad0ac3565/7b005907a39d4a1eb80910563485ac72 [2020-09-15 13:01:39,833 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-15 13:01:39,839 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-09-15 13:01:39,840 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-15 13:01:39,840 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-15 13:01:39,845 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-15 13:01:39,846 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 01:01:39" (1/1) ... [2020-09-15 13:01:39,851 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78173c2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 01:01:39, skipping insertion in model container [2020-09-15 13:01:39,852 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 01:01:39" (1/1) ... [2020-09-15 13:01:39,861 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-15 13:01:39,924 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-15 13:01:40,884 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-15 13:01:40,896 INFO L203 MainTranslator]: Completed pre-run [2020-09-15 13:01:40,972 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-15 13:01:41,412 INFO L208 MainTranslator]: Completed translation [2020-09-15 13:01:41,414 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 01:01:41 WrapperNode [2020-09-15 13:01:41,414 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-15 13:01:41,415 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-09-15 13:01:41,415 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-09-15 13:01:41,416 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-09-15 13:01:41,428 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 01:01:41" (1/1) ... [2020-09-15 13:01:41,485 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 01:01:41" (1/1) ... [2020-09-15 13:01:41,526 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-09-15 13:01:41,527 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-15 13:01:41,527 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-15 13:01:41,527 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-15 13:01:41,540 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 01:01:41" (1/1) ... [2020-09-15 13:01:41,540 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 01:01:41" (1/1) ... [2020-09-15 13:01:41,544 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 01:01:41" (1/1) ... [2020-09-15 13:01:41,545 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 01:01:41" (1/1) ... [2020-09-15 13:01:41,562 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 01:01:41" (1/1) ... [2020-09-15 13:01:41,565 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 01:01:41" (1/1) ... [2020-09-15 13:01:41,571 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 01:01:41" (1/1) ... [2020-09-15 13:01:41,581 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-15 13:01:41,584 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-15 13:01:41,584 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-15 13:01:41,584 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-15 13:01:41,586 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 01:01:41" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-09-15 13:01:41,669 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-15 13:01:41,670 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-15 13:01:41,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-15 13:01:41,670 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-15 13:01:41,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-15 13:01:41,670 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2020-09-15 13:01:41,671 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2020-09-15 13:01:41,671 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-15 13:01:41,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-15 13:01:41,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-15 13:01:41,676 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-09-15 13:01:42,360 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-15 13:01:42,360 INFO L295 CfgBuilder]: Removed 24 assume(true) statements. [2020-09-15 13:01:42,366 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 01:01:42 BoogieIcfgContainer [2020-09-15 13:01:42,366 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-15 13:01:42,368 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-15 13:01:42,368 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-15 13:01:42,372 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-15 13:01:42,372 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.09 01:01:39" (1/3) ... [2020-09-15 13:01:42,373 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b7d5438 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.09 01:01:42, skipping insertion in model container [2020-09-15 13:01:42,373 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 01:01:41" (2/3) ... [2020-09-15 13:01:42,374 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b7d5438 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.09 01:01:42, skipping insertion in model container [2020-09-15 13:01:42,374 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 01:01:42" (3/3) ... [2020-09-15 13:01:42,376 INFO L109 eAbstractionObserver]: Analyzing ICFG race-3_2-container_of-global.i [2020-09-15 13:01:42,388 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-09-15 13:01:42,388 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-15 13:01:42,399 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2020-09-15 13:01:42,401 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-09-15 13:01:42,437 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:01:42,437 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:01:42,438 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:01:42,438 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:01:42,438 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:01:42,439 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:01:42,439 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:01:42,439 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:01:42,439 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:01:42,440 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:01:42,440 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:01:42,440 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:01:42,440 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:01:42,441 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:01:42,441 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:01:42,441 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:01:42,441 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:01:42,442 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:01:42,442 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:01:42,442 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:01:42,443 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:01:42,443 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:01:42,443 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:01:42,444 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:01:42,444 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:01:42,444 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:01:42,444 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:01:42,444 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:01:42,445 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:01:42,445 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:01:42,445 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:01:42,445 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:01:42,446 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:01:42,446 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:01:42,446 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:01:42,446 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:01:42,447 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:01:42,447 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:01:42,447 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:01:42,448 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:01:42,448 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:01:42,448 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:01:42,448 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:01:42,449 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:01:42,449 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:01:42,449 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:01:42,454 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:01:42,454 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:01:42,454 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:01:42,455 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:01:42,455 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:01:42,455 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:01:42,455 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:01:42,456 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:01:42,456 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:01:42,468 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:01:42,468 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:01:42,469 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:01:42,469 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:01:42,469 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:01:42,469 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:01:42,470 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:01:42,470 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:01:42,470 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:01:42,506 INFO L251 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2020-09-15 13:01:42,535 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-15 13:01:42,535 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-15 13:01:42,536 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-15 13:01:42,536 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-15 13:01:42,536 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-15 13:01:42,536 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-15 13:01:42,536 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-15 13:01:42,537 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-15 13:01:42,559 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 144 places, 148 transitions, 318 flow [2020-09-15 13:01:42,562 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 144 places, 148 transitions, 318 flow [2020-09-15 13:01:42,644 INFO L129 PetriNetUnfolder]: 11/186 cut-off events. [2020-09-15 13:01:42,644 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2020-09-15 13:01:42,651 INFO L80 FinitePrefix]: Finished finitePrefix Result has 197 conditions, 186 events. 11/186 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 334 event pairs, 0 based on Foata normal form. 0/166 useless extension candidates. Maximal degree in co-relation 104. Up to 4 conditions per place. [2020-09-15 13:01:42,656 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 144 places, 148 transitions, 318 flow [2020-09-15 13:01:42,731 INFO L129 PetriNetUnfolder]: 11/186 cut-off events. [2020-09-15 13:01:42,732 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2020-09-15 13:01:42,734 INFO L80 FinitePrefix]: Finished finitePrefix Result has 197 conditions, 186 events. 11/186 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 334 event pairs, 0 based on Foata normal form. 0/166 useless extension candidates. Maximal degree in co-relation 104. Up to 4 conditions per place. [2020-09-15 13:01:42,740 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 1980 [2020-09-15 13:01:42,741 INFO L182 etLargeBlockEncoding]: Variable Check. [2020-09-15 13:01:43,558 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-09-15 13:01:43,581 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-15 13:01:43,588 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-09-15 13:01:43,605 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-15 13:01:43,608 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-09-15 13:01:43,609 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:95, output treesize:67 [2020-09-15 13:01:45,078 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-09-15 13:01:45,101 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-15 13:01:45,114 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-09-15 13:01:45,132 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-15 13:01:45,133 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-09-15 13:01:45,135 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:95, output treesize:67 [2020-09-15 13:01:45,711 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 48 [2020-09-15 13:01:46,105 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-09-15 13:01:46,130 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-15 13:01:46,135 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-09-15 13:01:46,156 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-15 13:01:46,158 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-09-15 13:01:46,158 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:102, output treesize:74 [2020-09-15 13:01:47,001 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 76 [2020-09-15 13:01:47,418 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 50 [2020-09-15 13:01:47,982 WARN L193 SmtUtils]: Spent 506.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 115 [2020-09-15 13:01:48,219 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-09-15 13:01:48,883 WARN L193 SmtUtils]: Spent 546.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 126 [2020-09-15 13:01:49,173 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-09-15 13:01:50,413 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 140 DAG size of output: 138 [2020-09-15 13:01:50,444 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-09-15 13:01:51,002 WARN L193 SmtUtils]: Spent 557.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-09-15 13:01:51,003 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-15 13:01:51,015 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-09-15 13:01:51,482 WARN L193 SmtUtils]: Spent 466.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-09-15 13:01:51,484 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-15 13:01:51,485 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2020-09-15 13:01:51,486 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:267, output treesize:279 [2020-09-15 13:01:51,986 WARN L193 SmtUtils]: Spent 498.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-09-15 13:01:51,998 INFO L206 etLargeBlockEncoding]: Checked pairs total: 2994 [2020-09-15 13:01:51,999 INFO L214 etLargeBlockEncoding]: Total number of compositions: 159 [2020-09-15 13:01:52,004 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 36 places, 34 transitions, 90 flow [2020-09-15 13:01:52,025 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 192 states. [2020-09-15 13:01:52,028 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states. [2020-09-15 13:01:52,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2020-09-15 13:01:52,036 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 13:01:52,037 INFO L422 BasicCegarLoop]: trace histogram [1] [2020-09-15 13:01:52,038 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-15 13:01:52,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 13:01:52,046 INFO L82 PathProgramCache]: Analyzing trace with hash 544, now seen corresponding path program 1 times [2020-09-15 13:01:52,059 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 13:01:52,059 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [42573930] [2020-09-15 13:01:52,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 13:01:52,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 13:01:52,370 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-15 13:01:52,371 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [42573930] [2020-09-15 13:01:52,373 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-15 13:01:52,373 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2020-09-15 13:01:52,374 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1392981847] [2020-09-15 13:01:52,381 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-09-15 13:01:52,382 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-15 13:01:52,399 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-09-15 13:01:52,399 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-09-15 13:01:52,402 INFO L87 Difference]: Start difference. First operand 192 states. Second operand 2 states. [2020-09-15 13:01:52,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-15 13:01:52,429 INFO L93 Difference]: Finished difference Result 190 states and 416 transitions. [2020-09-15 13:01:52,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-09-15 13:01:52,431 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 1 [2020-09-15 13:01:52,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-15 13:01:52,448 INFO L225 Difference]: With dead ends: 190 [2020-09-15 13:01:52,448 INFO L226 Difference]: Without dead ends: 172 [2020-09-15 13:01:52,449 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-09-15 13:01:52,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2020-09-15 13:01:52,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 172. [2020-09-15 13:01:52,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 172 states. [2020-09-15 13:01:52,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 374 transitions. [2020-09-15 13:01:52,511 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 374 transitions. Word has length 1 [2020-09-15 13:01:52,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-15 13:01:52,512 INFO L479 AbstractCegarLoop]: Abstraction has 172 states and 374 transitions. [2020-09-15 13:01:52,512 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-09-15 13:01:52,512 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 374 transitions. [2020-09-15 13:01:52,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-09-15 13:01:52,512 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 13:01:52,512 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-09-15 13:01:52,513 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-15 13:01:52,513 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-15 13:01:52,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 13:01:52,513 INFO L82 PathProgramCache]: Analyzing trace with hash 16594450, now seen corresponding path program 1 times [2020-09-15 13:01:52,513 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 13:01:52,513 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [183987221] [2020-09-15 13:01:52,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 13:01:52,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 13:01:52,761 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-15 13:01:52,761 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [183987221] [2020-09-15 13:01:52,761 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-15 13:01:52,762 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-09-15 13:01:52,762 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [837325308] [2020-09-15 13:01:52,764 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-15 13:01:52,764 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-15 13:01:52,765 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-15 13:01:52,765 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-15 13:01:52,765 INFO L87 Difference]: Start difference. First operand 172 states and 374 transitions. Second operand 3 states. [2020-09-15 13:01:52,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-15 13:01:52,905 INFO L93 Difference]: Finished difference Result 230 states and 503 transitions. [2020-09-15 13:01:52,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-15 13:01:52,906 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2020-09-15 13:01:52,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-15 13:01:52,918 INFO L225 Difference]: With dead ends: 230 [2020-09-15 13:01:52,920 INFO L226 Difference]: Without dead ends: 230 [2020-09-15 13:01:52,921 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-15 13:01:52,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2020-09-15 13:01:52,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 200. [2020-09-15 13:01:52,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 200 states. [2020-09-15 13:01:52,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 444 transitions. [2020-09-15 13:01:52,958 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 444 transitions. Word has length 4 [2020-09-15 13:01:52,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-15 13:01:52,959 INFO L479 AbstractCegarLoop]: Abstraction has 200 states and 444 transitions. [2020-09-15 13:01:52,959 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-15 13:01:52,959 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 444 transitions. [2020-09-15 13:01:52,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-09-15 13:01:52,959 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 13:01:52,960 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-09-15 13:01:52,960 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-15 13:01:52,960 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-15 13:01:52,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 13:01:52,961 INFO L82 PathProgramCache]: Analyzing trace with hash 514428411, now seen corresponding path program 1 times [2020-09-15 13:01:52,961 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 13:01:52,961 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [226188565] [2020-09-15 13:01:52,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 13:01:53,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 13:01:53,102 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-15 13:01:53,102 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [226188565] [2020-09-15 13:01:53,103 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-15 13:01:53,103 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-09-15 13:01:53,131 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2029249125] [2020-09-15 13:01:53,133 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-15 13:01:53,133 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-15 13:01:53,134 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-15 13:01:53,134 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-15 13:01:53,134 INFO L87 Difference]: Start difference. First operand 200 states and 444 transitions. Second operand 3 states. [2020-09-15 13:01:53,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-15 13:01:53,228 INFO L93 Difference]: Finished difference Result 243 states and 536 transitions. [2020-09-15 13:01:53,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-15 13:01:53,228 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2020-09-15 13:01:53,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-15 13:01:53,232 INFO L225 Difference]: With dead ends: 243 [2020-09-15 13:01:53,233 INFO L226 Difference]: Without dead ends: 236 [2020-09-15 13:01:53,235 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-15 13:01:53,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2020-09-15 13:01:53,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 221. [2020-09-15 13:01:53,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 221 states. [2020-09-15 13:01:53,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 505 transitions. [2020-09-15 13:01:53,269 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 505 transitions. Word has length 5 [2020-09-15 13:01:53,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-15 13:01:53,270 INFO L479 AbstractCegarLoop]: Abstraction has 221 states and 505 transitions. [2020-09-15 13:01:53,270 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-15 13:01:53,270 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 505 transitions. [2020-09-15 13:01:53,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-09-15 13:01:53,271 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 13:01:53,275 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-15 13:01:53,275 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-15 13:01:53,275 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-15 13:01:53,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 13:01:53,276 INFO L82 PathProgramCache]: Analyzing trace with hash 1038453307, now seen corresponding path program 1 times [2020-09-15 13:01:53,276 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 13:01:53,276 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1040051014] [2020-09-15 13:01:53,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 13:01:53,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 13:01:53,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-15 13:01:53,442 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1040051014] [2020-09-15 13:01:53,442 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-15 13:01:53,442 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-15 13:01:53,443 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1112834068] [2020-09-15 13:01:53,443 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-15 13:01:53,443 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-15 13:01:53,444 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-15 13:01:53,444 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-15 13:01:53,444 INFO L87 Difference]: Start difference. First operand 221 states and 505 transitions. Second operand 3 states. [2020-09-15 13:01:53,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-15 13:01:53,463 INFO L93 Difference]: Finished difference Result 86 states and 167 transitions. [2020-09-15 13:01:53,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-15 13:01:53,464 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2020-09-15 13:01:53,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-15 13:01:53,465 INFO L225 Difference]: With dead ends: 86 [2020-09-15 13:01:53,466 INFO L226 Difference]: Without dead ends: 86 [2020-09-15 13:01:53,466 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-15 13:01:53,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2020-09-15 13:01:53,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2020-09-15 13:01:53,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2020-09-15 13:01:53,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 167 transitions. [2020-09-15 13:01:53,478 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 167 transitions. Word has length 9 [2020-09-15 13:01:53,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-15 13:01:53,479 INFO L479 AbstractCegarLoop]: Abstraction has 86 states and 167 transitions. [2020-09-15 13:01:53,479 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-15 13:01:53,479 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 167 transitions. [2020-09-15 13:01:53,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-09-15 13:01:53,480 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 13:01:53,480 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-15 13:01:53,481 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-15 13:01:53,481 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-15 13:01:53,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 13:01:53,481 INFO L82 PathProgramCache]: Analyzing trace with hash 82727147, now seen corresponding path program 1 times [2020-09-15 13:01:53,481 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 13:01:53,483 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1606129154] [2020-09-15 13:01:53,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 13:01:53,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 13:01:54,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-15 13:01:54,034 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1606129154] [2020-09-15 13:01:54,034 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-15 13:01:54,034 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-15 13:01:54,035 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [136307109] [2020-09-15 13:01:54,035 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-15 13:01:54,035 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-15 13:01:54,036 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-15 13:01:54,036 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-15 13:01:54,037 INFO L87 Difference]: Start difference. First operand 86 states and 167 transitions. Second operand 7 states. [2020-09-15 13:01:54,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-15 13:01:54,371 INFO L93 Difference]: Finished difference Result 145 states and 268 transitions. [2020-09-15 13:01:54,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-15 13:01:54,371 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 18 [2020-09-15 13:01:54,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-15 13:01:54,373 INFO L225 Difference]: With dead ends: 145 [2020-09-15 13:01:54,373 INFO L226 Difference]: Without dead ends: 145 [2020-09-15 13:01:54,373 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2020-09-15 13:01:54,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2020-09-15 13:01:54,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 103. [2020-09-15 13:01:54,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2020-09-15 13:01:54,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 191 transitions. [2020-09-15 13:01:54,379 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 191 transitions. Word has length 18 [2020-09-15 13:01:54,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-15 13:01:54,380 INFO L479 AbstractCegarLoop]: Abstraction has 103 states and 191 transitions. [2020-09-15 13:01:54,380 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-15 13:01:54,380 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 191 transitions. [2020-09-15 13:01:54,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-09-15 13:01:54,382 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 13:01:54,382 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-15 13:01:54,382 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-15 13:01:54,382 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-15 13:01:54,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 13:01:54,383 INFO L82 PathProgramCache]: Analyzing trace with hash 82727169, now seen corresponding path program 1 times [2020-09-15 13:01:54,383 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 13:01:54,383 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2056457023] [2020-09-15 13:01:54,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 13:01:54,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 13:01:55,369 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-15 13:01:55,370 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2056457023] [2020-09-15 13:01:55,370 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-15 13:01:55,371 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-15 13:01:55,371 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [867770539] [2020-09-15 13:01:55,371 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-15 13:01:55,371 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-15 13:01:55,372 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-15 13:01:55,372 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2020-09-15 13:01:55,372 INFO L87 Difference]: Start difference. First operand 103 states and 191 transitions. Second operand 12 states. [2020-09-15 13:01:56,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-15 13:01:56,258 INFO L93 Difference]: Finished difference Result 157 states and 266 transitions. [2020-09-15 13:01:56,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-15 13:01:56,259 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 18 [2020-09-15 13:01:56,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-15 13:01:56,260 INFO L225 Difference]: With dead ends: 157 [2020-09-15 13:01:56,260 INFO L226 Difference]: Without dead ends: 136 [2020-09-15 13:01:56,261 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=50, Invalid=190, Unknown=0, NotChecked=0, Total=240 [2020-09-15 13:01:56,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2020-09-15 13:01:56,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 103. [2020-09-15 13:01:56,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2020-09-15 13:01:56,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 190 transitions. [2020-09-15 13:01:56,265 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 190 transitions. Word has length 18 [2020-09-15 13:01:56,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-15 13:01:56,266 INFO L479 AbstractCegarLoop]: Abstraction has 103 states and 190 transitions. [2020-09-15 13:01:56,266 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-15 13:01:56,266 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 190 transitions. [2020-09-15 13:01:56,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-09-15 13:01:56,267 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 13:01:56,267 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-15 13:01:56,268 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-15 13:01:56,268 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-15 13:01:56,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 13:01:56,268 INFO L82 PathProgramCache]: Analyzing trace with hash 2133555757, now seen corresponding path program 2 times [2020-09-15 13:01:56,269 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 13:01:56,269 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [836630025] [2020-09-15 13:01:56,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 13:01:56,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 13:01:56,905 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-15 13:01:56,905 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [836630025] [2020-09-15 13:01:56,906 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-15 13:01:56,906 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-15 13:01:56,906 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [364791878] [2020-09-15 13:01:56,907 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-15 13:01:56,907 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-15 13:01:56,907 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-15 13:01:56,907 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2020-09-15 13:01:56,908 INFO L87 Difference]: Start difference. First operand 103 states and 190 transitions. Second operand 10 states. [2020-09-15 13:01:57,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-15 13:01:57,610 INFO L93 Difference]: Finished difference Result 176 states and 300 transitions. [2020-09-15 13:01:57,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-15 13:01:57,611 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 18 [2020-09-15 13:01:57,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-15 13:01:57,613 INFO L225 Difference]: With dead ends: 176 [2020-09-15 13:01:57,613 INFO L226 Difference]: Without dead ends: 176 [2020-09-15 13:01:57,614 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=92, Invalid=148, Unknown=0, NotChecked=0, Total=240 [2020-09-15 13:01:57,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2020-09-15 13:01:57,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 123. [2020-09-15 13:01:57,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2020-09-15 13:01:57,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 227 transitions. [2020-09-15 13:01:57,618 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 227 transitions. Word has length 18 [2020-09-15 13:01:57,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-15 13:01:57,619 INFO L479 AbstractCegarLoop]: Abstraction has 123 states and 227 transitions. [2020-09-15 13:01:57,619 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-15 13:01:57,619 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 227 transitions. [2020-09-15 13:01:57,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-09-15 13:01:57,620 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 13:01:57,620 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-15 13:01:57,621 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-15 13:01:57,621 INFO L427 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-15 13:01:57,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 13:01:57,621 INFO L82 PathProgramCache]: Analyzing trace with hash 2133555779, now seen corresponding path program 2 times [2020-09-15 13:01:57,622 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 13:01:57,622 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [257487616] [2020-09-15 13:01:57,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 13:01:57,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 13:01:58,370 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-15 13:01:58,370 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [257487616] [2020-09-15 13:01:58,371 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-15 13:01:58,371 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-15 13:01:58,371 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1821109685] [2020-09-15 13:01:58,372 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-15 13:01:58,372 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-15 13:01:58,372 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-15 13:01:58,372 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-09-15 13:01:58,373 INFO L87 Difference]: Start difference. First operand 123 states and 227 transitions. Second operand 12 states. [2020-09-15 13:01:59,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-15 13:01:59,193 INFO L93 Difference]: Finished difference Result 174 states and 298 transitions. [2020-09-15 13:01:59,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-15 13:01:59,194 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 18 [2020-09-15 13:01:59,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-15 13:01:59,196 INFO L225 Difference]: With dead ends: 174 [2020-09-15 13:01:59,196 INFO L226 Difference]: Without dead ends: 163 [2020-09-15 13:01:59,197 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=47, Invalid=193, Unknown=0, NotChecked=0, Total=240 [2020-09-15 13:01:59,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2020-09-15 13:01:59,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 127. [2020-09-15 13:01:59,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127 states. [2020-09-15 13:01:59,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 233 transitions. [2020-09-15 13:01:59,202 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 233 transitions. Word has length 18 [2020-09-15 13:01:59,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-15 13:01:59,202 INFO L479 AbstractCegarLoop]: Abstraction has 127 states and 233 transitions. [2020-09-15 13:01:59,203 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-15 13:01:59,203 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 233 transitions. [2020-09-15 13:01:59,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-09-15 13:01:59,204 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 13:01:59,204 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-15 13:01:59,204 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-15 13:01:59,204 INFO L427 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-15 13:01:59,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 13:01:59,205 INFO L82 PathProgramCache]: Analyzing trace with hash -1342972915, now seen corresponding path program 3 times [2020-09-15 13:01:59,205 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 13:01:59,205 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1526832203] [2020-09-15 13:01:59,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 13:01:59,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 13:02:00,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-15 13:02:00,008 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1526832203] [2020-09-15 13:02:00,008 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-15 13:02:00,008 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-15 13:02:00,009 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [463357029] [2020-09-15 13:02:00,009 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-15 13:02:00,009 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-15 13:02:00,009 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-15 13:02:00,010 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2020-09-15 13:02:00,010 INFO L87 Difference]: Start difference. First operand 127 states and 233 transitions. Second operand 12 states. [2020-09-15 13:02:00,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-15 13:02:00,875 INFO L93 Difference]: Finished difference Result 176 states and 301 transitions. [2020-09-15 13:02:00,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-15 13:02:00,876 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 18 [2020-09-15 13:02:00,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-15 13:02:00,877 INFO L225 Difference]: With dead ends: 176 [2020-09-15 13:02:00,878 INFO L226 Difference]: Without dead ends: 161 [2020-09-15 13:02:00,878 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=50, Invalid=190, Unknown=0, NotChecked=0, Total=240 [2020-09-15 13:02:00,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2020-09-15 13:02:00,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 125. [2020-09-15 13:02:00,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2020-09-15 13:02:00,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 229 transitions. [2020-09-15 13:02:00,884 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 229 transitions. Word has length 18 [2020-09-15 13:02:00,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-15 13:02:00,885 INFO L479 AbstractCegarLoop]: Abstraction has 125 states and 229 transitions. [2020-09-15 13:02:00,885 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-15 13:02:00,885 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 229 transitions. [2020-09-15 13:02:00,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-09-15 13:02:00,886 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 13:02:00,886 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-15 13:02:00,886 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-15 13:02:00,886 INFO L427 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-15 13:02:00,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 13:02:00,887 INFO L82 PathProgramCache]: Analyzing trace with hash 1672062081, now seen corresponding path program 4 times [2020-09-15 13:02:00,887 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 13:02:00,887 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1822134083] [2020-09-15 13:02:00,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 13:02:00,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 13:02:01,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-15 13:02:01,623 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1822134083] [2020-09-15 13:02:01,623 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-15 13:02:01,623 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-15 13:02:01,624 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1057669616] [2020-09-15 13:02:01,624 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-15 13:02:01,624 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-15 13:02:01,624 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-15 13:02:01,625 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2020-09-15 13:02:01,625 INFO L87 Difference]: Start difference. First operand 125 states and 229 transitions. Second operand 12 states. [2020-09-15 13:02:02,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-15 13:02:02,506 INFO L93 Difference]: Finished difference Result 170 states and 294 transitions. [2020-09-15 13:02:02,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-15 13:02:02,507 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 18 [2020-09-15 13:02:02,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-15 13:02:02,508 INFO L225 Difference]: With dead ends: 170 [2020-09-15 13:02:02,508 INFO L226 Difference]: Without dead ends: 147 [2020-09-15 13:02:02,509 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=50, Invalid=190, Unknown=0, NotChecked=0, Total=240 [2020-09-15 13:02:02,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2020-09-15 13:02:02,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 119. [2020-09-15 13:02:02,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2020-09-15 13:02:02,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 218 transitions. [2020-09-15 13:02:02,514 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 218 transitions. Word has length 18 [2020-09-15 13:02:02,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-15 13:02:02,514 INFO L479 AbstractCegarLoop]: Abstraction has 119 states and 218 transitions. [2020-09-15 13:02:02,514 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-15 13:02:02,514 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 218 transitions. [2020-09-15 13:02:02,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-09-15 13:02:02,515 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 13:02:02,515 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-15 13:02:02,515 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-09-15 13:02:02,515 INFO L427 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-15 13:02:02,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 13:02:02,516 INFO L82 PathProgramCache]: Analyzing trace with hash -285831053, now seen corresponding path program 5 times [2020-09-15 13:02:02,516 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 13:02:02,516 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1435008281] [2020-09-15 13:02:02,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 13:02:02,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 13:02:03,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-15 13:02:03,209 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1435008281] [2020-09-15 13:02:03,209 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-15 13:02:03,209 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-15 13:02:03,210 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [194404484] [2020-09-15 13:02:03,210 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-15 13:02:03,210 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-15 13:02:03,211 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-15 13:02:03,211 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2020-09-15 13:02:03,211 INFO L87 Difference]: Start difference. First operand 119 states and 218 transitions. Second operand 11 states. [2020-09-15 13:02:03,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-15 13:02:03,834 INFO L93 Difference]: Finished difference Result 173 states and 306 transitions. [2020-09-15 13:02:03,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-15 13:02:03,835 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 18 [2020-09-15 13:02:03,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-15 13:02:03,837 INFO L225 Difference]: With dead ends: 173 [2020-09-15 13:02:03,837 INFO L226 Difference]: Without dead ends: 152 [2020-09-15 13:02:03,838 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2020-09-15 13:02:03,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2020-09-15 13:02:03,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 123. [2020-09-15 13:02:03,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2020-09-15 13:02:03,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 224 transitions. [2020-09-15 13:02:03,842 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 224 transitions. Word has length 18 [2020-09-15 13:02:03,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-15 13:02:03,843 INFO L479 AbstractCegarLoop]: Abstraction has 123 states and 224 transitions. [2020-09-15 13:02:03,843 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-15 13:02:03,843 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 224 transitions. [2020-09-15 13:02:03,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-09-15 13:02:03,844 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 13:02:03,844 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-15 13:02:03,844 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-09-15 13:02:03,844 INFO L427 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-15 13:02:03,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 13:02:03,845 INFO L82 PathProgramCache]: Analyzing trace with hash 311067339, now seen corresponding path program 6 times [2020-09-15 13:02:03,845 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 13:02:03,845 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1298854283] [2020-09-15 13:02:03,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 13:02:03,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-15 13:02:03,896 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-09-15 13:02:03,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-15 13:02:03,943 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-09-15 13:02:03,987 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-09-15 13:02:03,988 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-15 13:02:03,988 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-09-15 13:02:03,988 WARN L633 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-09-15 13:02:03,989 WARN L633 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-09-15 13:02:03,989 WARN L633 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-09-15 13:02:03,994 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [497] [497] L1706-->L1708-2: Formula: (let ((.cse1 (select |#memory_int_In-1801780373| ULTIMATE.start_my_drv_probe_~data.base_In-1801780373))) (and (let ((.cse0 (= |ULTIMATE.start_my_drv_probe_#t~mem32_Out-1801780373| 0))) (or (and (not .cse0) (= |ULTIMATE.start_ldv_assert_#in~expression_Out-1801780373| 0)) (and (= |ULTIMATE.start_ldv_assert_#in~expression_Out-1801780373| 1) .cse0))) (= (select .cse1 (+ ULTIMATE.start_my_drv_probe_~data.offset_In-1801780373 24)) 0) (= |ULTIMATE.start_my_drv_probe_#t~mem32_Out-1801780373| (select .cse1 (+ ULTIMATE.start_my_drv_probe_~data.offset_In-1801780373 28))) (= ULTIMATE.start_ldv_assert_~expression_Out-1801780373 1))) InVars {ULTIMATE.start_my_drv_probe_~data.base=ULTIMATE.start_my_drv_probe_~data.base_In-1801780373, ULTIMATE.start_my_drv_probe_~data.offset=ULTIMATE.start_my_drv_probe_~data.offset_In-1801780373, #memory_int=|#memory_int_In-1801780373|} OutVars{ULTIMATE.start_my_drv_probe_#t~mem31=|ULTIMATE.start_my_drv_probe_#t~mem31_Out-1801780373|, ULTIMATE.start_my_drv_probe_#t~mem32=|ULTIMATE.start_my_drv_probe_#t~mem32_Out-1801780373|, ULTIMATE.start_my_drv_probe_~data.base=ULTIMATE.start_my_drv_probe_~data.base_In-1801780373, ULTIMATE.start_my_drv_probe_~data.offset=ULTIMATE.start_my_drv_probe_~data.offset_In-1801780373, #memory_int=|#memory_int_In-1801780373|, ULTIMATE.start_ldv_assert_#in~expression=|ULTIMATE.start_ldv_assert_#in~expression_Out-1801780373|, ULTIMATE.start_ldv_assert_~expression=ULTIMATE.start_ldv_assert_~expression_Out-1801780373} AuxVars[] AssignedVars[ULTIMATE.start_my_drv_probe_#t~mem31, ULTIMATE.start_my_drv_probe_#t~mem32, ULTIMATE.start_ldv_assert_#in~expression, ULTIMATE.start_ldv_assert_~expression] because there is no mapped edge [2020-09-15 13:02:03,995 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [482] [482] L1708-2-->L1709-1: Formula: (and (not (= ULTIMATE.start_ldv_assert_~expression_Out-2014857947 0)) (<= |ULTIMATE.start_my_drv_probe_#t~nondet33_In-2014857947| 2147483647) (<= 0 (+ |ULTIMATE.start_my_drv_probe_#t~nondet33_In-2014857947| 2147483648)) (= ULTIMATE.start_ldv_assert_~expression_Out-2014857947 |ULTIMATE.start_ldv_assert_#in~expression_In-2014857947|)) InVars {ULTIMATE.start_my_drv_probe_#t~nondet33=|ULTIMATE.start_my_drv_probe_#t~nondet33_In-2014857947|, ULTIMATE.start_ldv_assert_#in~expression=|ULTIMATE.start_ldv_assert_#in~expression_In-2014857947|} OutVars{ULTIMATE.start_my_drv_probe_#t~mem32=|ULTIMATE.start_my_drv_probe_#t~mem32_Out-2014857947|, ULTIMATE.start_my_drv_probe_#t~nondet33=|ULTIMATE.start_my_drv_probe_#t~nondet33_In-2014857947|, ULTIMATE.start_ldv_assert_#in~expression=|ULTIMATE.start_ldv_assert_#in~expression_In-2014857947|, ULTIMATE.start_ldv_assert_~expression=ULTIMATE.start_ldv_assert_~expression_Out-2014857947} AuxVars[] AssignedVars[ULTIMATE.start_my_drv_probe_#t~mem32, ULTIMATE.start_ldv_assert_~expression] because there is no mapped edge [2020-09-15 13:02:04,001 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [498] [498] L1721-3-->L1741-2: Formula: (let ((.cse1 (select |#memory_int_In158121192| |ULTIMATE.start_main_~#data~1.base_In158121192|))) (and (let ((.cse0 (= 2 |ULTIMATE.start_main_#t~mem43_Out158121192|))) (or (and (= |ULTIMATE.start_ldv_assert_#in~expression_Out158121192| 0) (not .cse0)) (and (= |ULTIMATE.start_ldv_assert_#in~expression_Out158121192| 1) .cse0))) (= (select .cse1 (+ |ULTIMATE.start_main_~#data~1.offset_In158121192| 24)) 1) (= (select .cse1 (+ |ULTIMATE.start_main_~#data~1.offset_In158121192| 28)) |ULTIMATE.start_main_#t~mem43_Out158121192|) (= ULTIMATE.start_ldv_assert_~expression_Out158121192 1))) InVars {#memory_int=|#memory_int_In158121192|, ULTIMATE.start_main_~#data~1.offset=|ULTIMATE.start_main_~#data~1.offset_In158121192|, ULTIMATE.start_main_~#data~1.base=|ULTIMATE.start_main_~#data~1.base_In158121192|} OutVars{ULTIMATE.start_main_#t~mem43=|ULTIMATE.start_main_#t~mem43_Out158121192|, ULTIMATE.start_my_drv_disconnect_~#status~0.offset=|ULTIMATE.start_my_drv_disconnect_~#status~0.offset_Out158121192|, ULTIMATE.start_my_drv_disconnect_~#status~0.base=|ULTIMATE.start_my_drv_disconnect_~#status~0.base_Out158121192|, ULTIMATE.start_main_#t~mem42=|ULTIMATE.start_main_#t~mem42_Out158121192|, #memory_int=|#memory_int_In158121192|, ULTIMATE.start_main_~#data~1.offset=|ULTIMATE.start_main_~#data~1.offset_In158121192|, ULTIMATE.start_ldv_assert_#in~expression=|ULTIMATE.start_ldv_assert_#in~expression_Out158121192|, ULTIMATE.start_main_~#data~1.base=|ULTIMATE.start_main_~#data~1.base_In158121192|, ULTIMATE.start_ldv_assert_~expression=ULTIMATE.start_ldv_assert_~expression_Out158121192} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~mem43, ULTIMATE.start_my_drv_disconnect_~#status~0.offset, ULTIMATE.start_my_drv_disconnect_~#status~0.base, ULTIMATE.start_main_#t~mem42, ULTIMATE.start_ldv_assert_#in~expression, ULTIMATE.start_ldv_assert_~expression] because there is no mapped edge [2020-09-15 13:02:04,048 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.09 01:02:04 BasicIcfg [2020-09-15 13:02:04,048 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-15 13:02:04,050 INFO L168 Benchmark]: Toolchain (without parser) took 24215.55 ms. Allocated memory was 138.9 MB in the beginning and 415.8 MB in the end (delta: 276.8 MB). Free memory was 98.7 MB in the beginning and 155.4 MB in the end (delta: -56.8 MB). Peak memory consumption was 220.1 MB. Max. memory is 7.1 GB. [2020-09-15 13:02:04,051 INFO L168 Benchmark]: CDTParser took 0.52 ms. Allocated memory is still 138.9 MB. Free memory was 120.5 MB in the beginning and 120.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-15 13:02:04,052 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1574.84 ms. Allocated memory was 138.9 MB in the beginning and 234.9 MB in the end (delta: 95.9 MB). Free memory was 98.0 MB in the beginning and 170.0 MB in the end (delta: -72.0 MB). Peak memory consumption was 78.4 MB. Max. memory is 7.1 GB. [2020-09-15 13:02:04,053 INFO L168 Benchmark]: Boogie Procedure Inliner took 111.23 ms. Allocated memory is still 234.9 MB. Free memory was 170.0 MB in the beginning and 167.0 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. [2020-09-15 13:02:04,053 INFO L168 Benchmark]: Boogie Preprocessor took 54.59 ms. Allocated memory is still 234.9 MB. Free memory was 167.0 MB in the beginning and 164.1 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. [2020-09-15 13:02:04,054 INFO L168 Benchmark]: RCFGBuilder took 782.86 ms. Allocated memory is still 234.9 MB. Free memory was 164.1 MB in the beginning and 116.9 MB in the end (delta: 47.2 MB). Peak memory consumption was 47.2 MB. Max. memory is 7.1 GB. [2020-09-15 13:02:04,055 INFO L168 Benchmark]: TraceAbstraction took 21680.57 ms. Allocated memory was 234.9 MB in the beginning and 415.8 MB in the end (delta: 180.9 MB). Free memory was 115.4 MB in the beginning and 155.4 MB in the end (delta: -40.0 MB). Peak memory consumption was 140.9 MB. Max. memory is 7.1 GB. [2020-09-15 13:02:04,059 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.52 ms. Allocated memory is still 138.9 MB. Free memory was 120.5 MB in the beginning and 120.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1574.84 ms. Allocated memory was 138.9 MB in the beginning and 234.9 MB in the end (delta: 95.9 MB). Free memory was 98.0 MB in the beginning and 170.0 MB in the end (delta: -72.0 MB). Peak memory consumption was 78.4 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 111.23 ms. Allocated memory is still 234.9 MB. Free memory was 170.0 MB in the beginning and 167.0 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 54.59 ms. Allocated memory is still 234.9 MB. Free memory was 167.0 MB in the beginning and 164.1 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 782.86 ms. Allocated memory is still 234.9 MB. Free memory was 164.1 MB in the beginning and 116.9 MB in the end (delta: 47.2 MB). Peak memory consumption was 47.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 21680.57 ms. Allocated memory was 234.9 MB in the beginning and 415.8 MB in the end (delta: 180.9 MB). Free memory was 115.4 MB in the beginning and 155.4 MB in the end (delta: -40.0 MB). Peak memory consumption was 140.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 9.4s, 144 ProgramPointsBefore, 36 ProgramPointsAfterwards, 148 TransitionsBefore, 34 TransitionsAfterwards, 1980 CoEnabledTransitionPairs, 8 FixpointIterations, 86 TrivialSequentialCompositions, 46 ConcurrentSequentialCompositions, 10 TrivialYvCompositions, 17 ConcurrentYvCompositions, 6 ChoiceCompositions, 996 VarBasedMoverChecksPositive, 33 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 2994 CheckedPairsTotal, 159 TotalNumberOfCompositions - CounterExampleResult [Line: 1682]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L1683] 0 pthread_t t1,t2; [L1695] 0 struct device *my_dev; [L1727] 0 return 0; [L1733] 0 int ret = my_drv_init(); [L1734] COND TRUE 0 ret==0 [L1735] 0 int probe_ret; [L1736] 0 struct my_data data; [L1705] 0 data->shared.a = 0 [L1706] 0 data->shared.b = 0 [L1709] 0 int res = __VERIFIER_nondet_int(); [L1710] COND FALSE 0 !(\read(res)) [L1712] 0 my_dev = &data->dev [L1713] FCALL, FORK 0 pthread_create(&t1, ((void *)0), my_callback, ((void *)0)) VAL [arg={0:0}, my_dev={5:24}, t1={6:0}, t2={3:0}] [L1697] 1 struct my_data *data; [L1698] 1 const typeof( ((struct my_data *)0)->dev ) *__mptr = (my_dev); [L1698] 1 data = ({ const typeof( ((struct my_data *)0)->dev ) *__mptr = (my_dev); (struct my_data *)( (char *)__mptr - ((unsigned long) &((struct my_data *)0)->dev) );}) [L1699] 1 data->shared.a = 1 VAL [__mptr={5:24}, arg={0:0}, arg={0:0}, data={5:0}, my_dev={5:24}, t1={6:0}, t2={3:0}] [L1700] 1 data->shared.b VAL [__mptr={5:24}, arg={0:0}, arg={0:0}, data={5:0}, data->shared.b=0, my_dev={5:24}, t1={6:0}, t2={3:0}] [L1714] FCALL, FORK 0 pthread_create(&t2, ((void *)0), my_callback, ((void *)0)) VAL [__mptr={5:24}, arg={0:0}, arg={0:0}, data={5:0}, data->shared.b=0, my_dev={5:24}, t1={6:0}, t2={3:0}] [L1715] 0 return 0; [L1737] 0 probe_ret = my_drv_probe(&data) [L1738] COND TRUE 0 probe_ret==0 [L1721] 0 void *status; [L1722] 0 \read(t1) VAL [__mptr={5:24}, arg={0:0}, arg={0:0}, data={5:0}, data->shared.b=0, my_dev={5:24}, t1={6:0}, t2={3:0}] [L1697] 2 struct my_data *data; [L1698] 2 const typeof( ((struct my_data *)0)->dev ) *__mptr = (my_dev); [L1698] 2 data = ({ const typeof( ((struct my_data *)0)->dev ) *__mptr = (my_dev); (struct my_data *)( (char *)__mptr - ((unsigned long) &((struct my_data *)0)->dev) );}) [L1699] 2 data->shared.a = 1 VAL [__mptr={5:24}, arg={0:0}, arg={0:0}, data={5:0}, data->shared.b=0, my_dev={5:24}, t1={6:0}, t2={3:0}] [L1700] EXPR 2 data->shared.b VAL [__mptr={5:24}, arg={0:0}, arg={0:0}, data={5:0}, data->shared.b=0, my_dev={5:24}, t1={6:0}, t2={3:0}] [L1700] 2 data->shared.b = data->shared.b + 1 [L1701] 2 return 0; [L1700] 1 data->shared.b = data->shared.b + 1 [L1701] 1 return 0; [L1722] FCALL, JOIN 1 pthread_join(t1, &status) VAL [\result={0:0}, __mptr={5:24}, arg={0:0}, arg={0:0}, data={5:0}, my_dev={5:24}, t1={6:0}, t2={3:0}] [L1723] 0 \read(t2) VAL [\result={0:0}, __mptr={5:24}, arg={0:0}, arg={0:0}, data={5:0}, my_dev={5:24}, t1={6:0}, t2={3:0}] [L1723] FCALL, JOIN 2 pthread_join(t2, &status) VAL [\result={0:0}, __mptr={5:24}, arg={0:0}, arg={0:0}, data={5:0}, my_dev={5:24}, t1={6:0}, t2={3:0}] [L1682] COND TRUE 0 !expression [L1682] 0 __VERIFIER_error() VAL [\result={0:0}, __mptr={5:24}, arg={0:0}, arg={0:0}, data={5:0}, my_dev={5:24}, t1={6:0}, t2={3:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 127 locations, 6 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 21.4s, OverallIterations: 12, TraceHistogramMax: 1, AutomataDifference: 5.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 9.4s, HoareTripleCheckerStatistics: 271 SDtfs, 310 SDslu, 854 SDs, 0 SdLazy, 2117 SolverSat, 183 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 107 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 95 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 105 ImplicationChecksByTransitivity, 4.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=221occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 11 MinimizatonAttempts, 302 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 5.0s InterpolantComputationTime, 163 NumberOfCodeBlocks, 163 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 134 ConstructedInterpolants, 0 QuantifiedInterpolants, 54607 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 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...