/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/concurrent/pthreads/distributed_search4.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-11af1e5 [2020-10-09 14:02:04,501 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-09 14:02:04,504 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-09 14:02:04,545 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-09 14:02:04,545 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-09 14:02:04,553 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-09 14:02:04,556 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-09 14:02:04,560 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-09 14:02:04,563 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-09 14:02:04,566 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-09 14:02:04,567 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-09 14:02:04,568 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-09 14:02:04,568 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-09 14:02:04,571 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-09 14:02:04,573 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-09 14:02:04,574 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-09 14:02:04,576 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-09 14:02:04,576 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-09 14:02:04,578 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-09 14:02:04,586 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-09 14:02:04,588 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-09 14:02:04,588 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-09 14:02:04,589 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-09 14:02:04,590 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-09 14:02:04,601 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-09 14:02:04,608 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-09 14:02:04,613 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-09 14:02:04,614 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-09 14:02:04,615 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-09 14:02:04,618 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-09 14:02:04,618 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-09 14:02:04,619 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-09 14:02:04,619 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-09 14:02:04,619 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-09 14:02:04,620 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-09 14:02:04,620 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-09 14:02:04,621 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-09 14:02:04,642 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-09 14:02:04,642 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-09 14:02:04,643 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-09 14:02:04,643 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-09 14:02:04,643 INFO L138 SettingsManager]: * Use SBE=true [2020-10-09 14:02:04,644 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-09 14:02:04,644 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-09 14:02:04,644 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-09 14:02:04,644 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-09 14:02:04,644 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-09 14:02:04,645 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-09 14:02:04,645 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-09 14:02:04,645 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-09 14:02:04,645 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-09 14:02:04,645 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-09 14:02:04,646 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-09 14:02:04,646 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-09 14:02:04,646 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-09 14:02:04,646 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-09 14:02:04,646 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-09 14:02:04,647 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-09 14:02:04,647 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-09 14:02:04,647 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-09 14:02:04,647 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-09 14:02:04,647 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-09 14:02:04,647 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-09 14:02:04,648 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-09 14:02:04,648 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-09 14:02:04,648 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-09 14:02:04,648 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-09 14:02:04,935 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-09 14:02:04,948 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-09 14:02:04,952 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-09 14:02:04,954 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-09 14:02:04,954 INFO L275 PluginConnector]: CDTParser initialized [2020-10-09 14:02:04,955 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/pthreads/distributed_search4.c [2020-10-09 14:02:05,020 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b68571772/f3de368d23f44c448284ec91e9c542cd/FLAG0f8a16731 [2020-10-09 14:02:05,506 INFO L306 CDTParser]: Found 1 translation units. [2020-10-09 14:02:05,507 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/concurrent/pthreads/distributed_search4.c [2020-10-09 14:02:05,507 WARN L117 ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available. [2020-10-09 14:02:05,508 WARN L117 ultiparseSymbolTable]: System include stdio.h could not be resolved by CDT -- only built-in system includes are available. [2020-10-09 14:02:05,548 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b68571772/f3de368d23f44c448284ec91e9c542cd/FLAG0f8a16731 [2020-10-09 14:02:05,824 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b68571772/f3de368d23f44c448284ec91e9c542cd [2020-10-09 14:02:05,834 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-09 14:02:05,836 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-09 14:02:05,838 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-09 14:02:05,838 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-09 14:02:05,841 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-09 14:02:05,842 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.10 02:02:05" (1/1) ... [2020-10-09 14:02:05,845 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d356bf1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 02:02:05, skipping insertion in model container [2020-10-09 14:02:05,845 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.10 02:02:05" (1/1) ... [2020-10-09 14:02:05,853 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-09 14:02:05,874 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-09 14:02:06,170 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-09 14:02:06,180 INFO L203 MainTranslator]: Completed pre-run [2020-10-09 14:02:06,234 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-09 14:02:06,250 INFO L208 MainTranslator]: Completed translation [2020-10-09 14:02:06,252 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 02:02:06 WrapperNode [2020-10-09 14:02:06,252 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-09 14:02:06,253 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-09 14:02:06,254 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-09 14:02:06,254 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-09 14:02:06,264 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 02:02:06" (1/1) ... [2020-10-09 14:02:06,288 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 02:02:06" (1/1) ... [2020-10-09 14:02:06,327 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-09 14:02:06,327 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-09 14:02:06,327 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-09 14:02:06,328 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-09 14:02:06,335 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 02:02:06" (1/1) ... [2020-10-09 14:02:06,335 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 02:02:06" (1/1) ... [2020-10-09 14:02:06,339 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 02:02:06" (1/1) ... [2020-10-09 14:02:06,339 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 02:02:06" (1/1) ... [2020-10-09 14:02:06,347 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 02:02:06" (1/1) ... [2020-10-09 14:02:06,352 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 02:02:06" (1/1) ... [2020-10-09 14:02:06,354 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 02:02:06" (1/1) ... [2020-10-09 14:02:06,357 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-09 14:02:06,358 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-09 14:02:06,358 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-09 14:02:06,358 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-09 14:02:06,359 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 02:02:06" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-09 14:02:06,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-09 14:02:06,415 INFO L130 BoogieDeclarations]: Found specification of procedure search_worker [2020-10-09 14:02:06,415 INFO L138 BoogieDeclarations]: Found implementation of procedure search_worker [2020-10-09 14:02:06,415 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-09 14:02:06,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-09 14:02:06,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-09 14:02:06,416 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-09 14:02:06,416 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-09 14:02:06,416 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-09 14:02:06,418 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-09 14:02:06,864 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-09 14:02:06,864 INFO L298 CfgBuilder]: Removed 7 assume(true) statements. [2020-10-09 14:02:06,867 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.10 02:02:06 BoogieIcfgContainer [2020-10-09 14:02:06,867 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-09 14:02:06,869 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-09 14:02:06,869 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-09 14:02:06,877 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-09 14:02:06,878 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.10 02:02:05" (1/3) ... [2020-10-09 14:02:06,879 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73c53202 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.10 02:02:06, skipping insertion in model container [2020-10-09 14:02:06,879 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 02:02:06" (2/3) ... [2020-10-09 14:02:06,879 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73c53202 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.10 02:02:06, skipping insertion in model container [2020-10-09 14:02:06,879 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.10 02:02:06" (3/3) ... [2020-10-09 14:02:06,881 INFO L111 eAbstractionObserver]: Analyzing ICFG distributed_search4.c [2020-10-09 14:02:06,894 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-09 14:02:06,894 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-09 14:02:06,901 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-09 14:02:06,902 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-09 14:02:06,955 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#in~params.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:06,956 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#in~params.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:06,956 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~params.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:06,956 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~params.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:06,957 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~params.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:06,957 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~params.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:06,957 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:06,957 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:06,957 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:06,958 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:06,958 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:06,958 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:06,958 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~lower~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:06,959 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:06,959 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:06,959 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:06,959 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:06,960 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:06,960 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:06,960 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:06,961 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~lower~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:06,961 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:06,961 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:06,961 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:06,962 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:06,962 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:06,962 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:06,962 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:06,963 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:06,963 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:06,963 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:06,963 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:06,964 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:06,964 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:06,964 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:06,964 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:06,965 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:06,965 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:06,965 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:06,965 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:06,966 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork2_#in~params.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:06,966 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork2_#in~params.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:06,966 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork2_~params.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:06,966 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork2_~params.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:06,967 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork2_~params.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:06,967 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork2_~params.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:06,967 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork2_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:06,967 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork2_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:06,968 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork2_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:06,968 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork2_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:06,968 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork2_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:06,968 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork2_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:06,968 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork2_~lower~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:06,969 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork2_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:06,969 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork2_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:06,969 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork2_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:06,969 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork2_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:06,970 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork2_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:06,970 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork2_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:06,970 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork2_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:06,970 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork2_~lower~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:06,970 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:06,971 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork2_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:06,971 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:06,971 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork2_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:06,971 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:06,972 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:06,972 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:06,972 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:06,972 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork2_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:06,973 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork2_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:06,973 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork2_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:06,973 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork2_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:06,973 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork2_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:06,973 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:06,974 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:06,974 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:06,974 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:06,974 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:06,975 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:06,975 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#in~params.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:06,975 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#in~params.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:06,975 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~params.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:06,976 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~params.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:06,976 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~params.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:06,976 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~params.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:06,976 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:06,976 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:06,977 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:06,977 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:06,977 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:06,977 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:06,977 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~lower~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:06,978 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:06,978 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:06,978 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:06,978 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:06,979 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:06,979 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:06,979 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:06,979 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~lower~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:06,979 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:06,980 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:06,980 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:06,980 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:06,980 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:06,981 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:06,981 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:06,981 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:06,981 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:06,982 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:06,982 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:06,982 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:06,982 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:06,983 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:06,983 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:06,983 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:06,983 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:06,983 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:06,984 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:06,984 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork3_#in~params.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:06,984 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork3_#in~params.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:06,984 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork3_~params.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:06,985 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork3_~params.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:06,985 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork3_~params.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:06,985 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork3_~params.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:06,985 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork3_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:06,985 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork3_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:06,986 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork3_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:06,986 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork3_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:06,986 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork3_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:06,986 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork3_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:06,987 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork3_~lower~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:06,987 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork3_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:06,987 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork3_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:06,987 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork3_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:06,987 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork3_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:06,988 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork3_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:06,988 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork3_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:06,988 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork3_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:06,988 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork3_~lower~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:06,988 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork3_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:06,989 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork3_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:06,989 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork3_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:06,989 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork3_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:06,989 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork3_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:06,990 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:06,990 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:06,990 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork3_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:06,990 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork3_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:06,990 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork3_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:06,991 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork3_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:06,991 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork3_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:06,991 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork3_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:06,991 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork3_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:06,992 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork3_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:06,992 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork3_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:06,992 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork3_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:06,992 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork3_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:06,992 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork3_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:06,996 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:06,997 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~params.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:06,997 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:06,997 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:06,997 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:06,997 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:06,998 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:06,998 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~params.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:06,998 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:06,998 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:06,998 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~lower~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:06,999 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:06,999 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:07,005 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:07,005 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:07,006 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~params.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:07,006 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:07,006 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:07,006 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:07,006 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:07,007 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:07,007 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~params.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:07,007 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:07,007 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:07,008 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~lower~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:07,008 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:07,011 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork2_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:07,011 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork2_~params.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:07,011 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:07,012 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:07,012 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork2_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:07,012 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork2_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:07,012 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork2_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:07,012 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:07,013 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork2_~params.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:07,013 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:07,013 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork2_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:07,013 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork2_~lower~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:07,013 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork2_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:07,017 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork3_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:07,017 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork3_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:07,017 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork3_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:07,017 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork3_~params.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:07,018 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork3_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:07,018 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork3_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:07,018 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork3_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:07,018 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:07,018 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork3_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:07,019 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork3_~params.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:07,019 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork3_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:07,019 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:07,019 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork3_~lower~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:02:07,062 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-09 14:02:07,083 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-09 14:02:07,083 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-09 14:02:07,083 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-09 14:02:07,084 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-09 14:02:07,084 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-09 14:02:07,084 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-09 14:02:07,084 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-09 14:02:07,084 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-09 14:02:07,104 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-09 14:02:07,107 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 221 places, 234 transitions, 536 flow [2020-10-09 14:02:07,110 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 221 places, 234 transitions, 536 flow [2020-10-09 14:02:07,112 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 221 places, 234 transitions, 536 flow [2020-10-09 14:02:07,309 INFO L129 PetriNetUnfolder]: 31/268 cut-off events. [2020-10-09 14:02:07,310 INFO L130 PetriNetUnfolder]: For 32/32 co-relation queries the response was YES. [2020-10-09 14:02:07,323 INFO L80 FinitePrefix]: Finished finitePrefix Result has 313 conditions, 268 events. 31/268 cut-off events. For 32/32 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 597 event pairs, 0 based on Foata normal form. 0/253 useless extension candidates. Maximal degree in co-relation 169. Up to 12 conditions per place. [2020-10-09 14:02:07,341 INFO L117 LiptonReduction]: Number of co-enabled transitions 11904 [2020-10-09 14:02:11,879 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-10-09 14:02:11,988 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-10-09 14:02:12,217 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 34 [2020-10-09 14:02:12,585 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-10-09 14:02:12,893 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-09 14:02:13,603 WARN L193 SmtUtils]: Spent 504.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2020-10-09 14:02:13,609 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-09 14:02:13,611 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-09 14:02:13,935 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 55 [2020-10-09 14:02:14,867 WARN L193 SmtUtils]: Spent 852.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 141 [2020-10-09 14:02:15,255 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-09 14:02:15,285 INFO L132 LiptonReduction]: Checked pairs total: 31791 [2020-10-09 14:02:15,286 INFO L134 LiptonReduction]: Total number of compositions: 191 [2020-10-09 14:02:15,293 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 61 places, 68 transitions, 204 flow [2020-10-09 14:02:16,013 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 8302 states. [2020-10-09 14:02:16,016 INFO L276 IsEmpty]: Start isEmpty. Operand 8302 states. [2020-10-09 14:02:16,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-10-09 14:02:16,092 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 14:02:16,093 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 14:02:16,093 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2020-10-09 14:02:16,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 14:02:16,099 INFO L82 PathProgramCache]: Analyzing trace with hash -237627757, now seen corresponding path program 1 times [2020-10-09 14:02:16,110 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 14:02:16,110 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1784178761] [2020-10-09 14:02:16,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 14:02:16,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 14:02:16,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 14:02:16,536 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1784178761] [2020-10-09 14:02:16,537 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-09 14:02:16,537 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-09 14:02:16,538 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095419794] [2020-10-09 14:02:16,543 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-09 14:02:16,544 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 14:02:16,559 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-09 14:02:16,560 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-09 14:02:16,562 INFO L87 Difference]: Start difference. First operand 8302 states. Second operand 3 states. [2020-10-09 14:02:16,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 14:02:16,924 INFO L93 Difference]: Finished difference Result 13055 states and 60574 transitions. [2020-10-09 14:02:16,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-09 14:02:16,927 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 32 [2020-10-09 14:02:16,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 14:02:17,176 INFO L225 Difference]: With dead ends: 13055 [2020-10-09 14:02:17,176 INFO L226 Difference]: Without dead ends: 13007 [2020-10-09 14:02:17,178 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-09 14:02:17,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13007 states. [2020-10-09 14:02:17,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13007 to 10737. [2020-10-09 14:02:17,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10737 states. [2020-10-09 14:02:17,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10737 states to 10737 states and 49949 transitions. [2020-10-09 14:02:17,877 INFO L78 Accepts]: Start accepts. Automaton has 10737 states and 49949 transitions. Word has length 32 [2020-10-09 14:02:17,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 14:02:17,879 INFO L481 AbstractCegarLoop]: Abstraction has 10737 states and 49949 transitions. [2020-10-09 14:02:17,879 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-09 14:02:17,879 INFO L276 IsEmpty]: Start isEmpty. Operand 10737 states and 49949 transitions. [2020-10-09 14:02:17,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-10-09 14:02:17,925 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 14:02:17,926 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 14:02:17,926 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-09 14:02:17,927 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2020-10-09 14:02:17,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 14:02:17,927 INFO L82 PathProgramCache]: Analyzing trace with hash -1632235465, now seen corresponding path program 1 times [2020-10-09 14:02:17,928 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 14:02:17,928 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1314625351] [2020-10-09 14:02:17,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 14:02:18,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 14:02:18,311 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 22 [2020-10-09 14:02:18,568 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-09 14:02:18,568 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1314625351] [2020-10-09 14:02:18,569 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-09 14:02:18,569 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-09 14:02:18,569 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1753932639] [2020-10-09 14:02:18,571 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-09 14:02:18,571 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 14:02:18,571 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-09 14:02:18,572 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2020-10-09 14:02:18,572 INFO L87 Difference]: Start difference. First operand 10737 states and 49949 transitions. Second operand 14 states. [2020-10-09 14:02:20,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 14:02:20,408 INFO L93 Difference]: Finished difference Result 11395 states and 51840 transitions. [2020-10-09 14:02:20,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-09 14:02:20,408 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 35 [2020-10-09 14:02:20,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 14:02:20,578 INFO L225 Difference]: With dead ends: 11395 [2020-10-09 14:02:20,578 INFO L226 Difference]: Without dead ends: 11374 [2020-10-09 14:02:20,579 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=128, Invalid=424, Unknown=0, NotChecked=0, Total=552 [2020-10-09 14:02:20,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11374 states. [2020-10-09 14:02:20,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11374 to 10884. [2020-10-09 14:02:20,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10884 states. [2020-10-09 14:02:20,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10884 states to 10884 states and 50412 transitions. [2020-10-09 14:02:20,993 INFO L78 Accepts]: Start accepts. Automaton has 10884 states and 50412 transitions. Word has length 35 [2020-10-09 14:02:20,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 14:02:20,993 INFO L481 AbstractCegarLoop]: Abstraction has 10884 states and 50412 transitions. [2020-10-09 14:02:20,994 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-09 14:02:20,994 INFO L276 IsEmpty]: Start isEmpty. Operand 10884 states and 50412 transitions. [2020-10-09 14:02:21,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-10-09 14:02:21,057 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 14:02:21,058 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 14:02:21,058 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-09 14:02:21,058 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2020-10-09 14:02:21,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 14:02:21,059 INFO L82 PathProgramCache]: Analyzing trace with hash -1603607275, now seen corresponding path program 1 times [2020-10-09 14:02:21,059 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 14:02:21,059 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1902921785] [2020-10-09 14:02:21,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 14:02:21,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 14:02:21,167 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-09 14:02:21,167 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1902921785] [2020-10-09 14:02:21,167 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-09 14:02:21,168 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-09 14:02:21,168 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1848547962] [2020-10-09 14:02:21,169 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-09 14:02:21,169 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 14:02:21,169 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-09 14:02:21,169 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-09 14:02:21,170 INFO L87 Difference]: Start difference. First operand 10884 states and 50412 transitions. Second operand 5 states. [2020-10-09 14:02:21,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 14:02:21,388 INFO L93 Difference]: Finished difference Result 10884 states and 50411 transitions. [2020-10-09 14:02:21,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-09 14:02:21,388 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 35 [2020-10-09 14:02:21,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 14:02:21,439 INFO L225 Difference]: With dead ends: 10884 [2020-10-09 14:02:21,439 INFO L226 Difference]: Without dead ends: 10704 [2020-10-09 14:02:21,440 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-09 14:02:21,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10704 states. [2020-10-09 14:02:21,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10704 to 10704. [2020-10-09 14:02:21,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10704 states. [2020-10-09 14:02:22,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10704 states to 10704 states and 49805 transitions. [2020-10-09 14:02:22,037 INFO L78 Accepts]: Start accepts. Automaton has 10704 states and 49805 transitions. Word has length 35 [2020-10-09 14:02:22,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 14:02:22,037 INFO L481 AbstractCegarLoop]: Abstraction has 10704 states and 49805 transitions. [2020-10-09 14:02:22,037 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-09 14:02:22,037 INFO L276 IsEmpty]: Start isEmpty. Operand 10704 states and 49805 transitions. [2020-10-09 14:02:22,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-10-09 14:02:22,073 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 14:02:22,073 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 14:02:22,073 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-09 14:02:22,073 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2020-10-09 14:02:22,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 14:02:22,074 INFO L82 PathProgramCache]: Analyzing trace with hash 826648217, now seen corresponding path program 1 times [2020-10-09 14:02:22,074 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 14:02:22,074 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1490249248] [2020-10-09 14:02:22,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 14:02:22,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 14:02:22,464 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-09 14:02:22,464 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1490249248] [2020-10-09 14:02:22,465 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-09 14:02:22,465 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-09 14:02:22,465 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1450223694] [2020-10-09 14:02:22,465 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-09 14:02:22,466 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 14:02:22,466 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-09 14:02:22,466 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2020-10-09 14:02:22,466 INFO L87 Difference]: Start difference. First operand 10704 states and 49805 transitions. Second operand 14 states. [2020-10-09 14:02:24,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 14:02:24,747 INFO L93 Difference]: Finished difference Result 11126 states and 51047 transitions. [2020-10-09 14:02:24,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-09 14:02:24,747 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 35 [2020-10-09 14:02:24,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 14:02:24,821 INFO L225 Difference]: With dead ends: 11126 [2020-10-09 14:02:24,821 INFO L226 Difference]: Without dead ends: 11105 [2020-10-09 14:02:24,822 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=146, Invalid=504, Unknown=0, NotChecked=0, Total=650 [2020-10-09 14:02:24,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11105 states. [2020-10-09 14:02:25,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11105 to 10851. [2020-10-09 14:02:25,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10851 states. [2020-10-09 14:02:25,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10851 states to 10851 states and 50268 transitions. [2020-10-09 14:02:25,147 INFO L78 Accepts]: Start accepts. Automaton has 10851 states and 50268 transitions. Word has length 35 [2020-10-09 14:02:25,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 14:02:25,148 INFO L481 AbstractCegarLoop]: Abstraction has 10851 states and 50268 transitions. [2020-10-09 14:02:25,148 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-09 14:02:25,148 INFO L276 IsEmpty]: Start isEmpty. Operand 10851 states and 50268 transitions. [2020-10-09 14:02:25,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-10-09 14:02:25,176 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 14:02:25,176 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 14:02:25,176 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-09 14:02:25,176 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2020-10-09 14:02:25,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 14:02:25,176 INFO L82 PathProgramCache]: Analyzing trace with hash 883904597, now seen corresponding path program 1 times [2020-10-09 14:02:25,177 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 14:02:25,177 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [773612176] [2020-10-09 14:02:25,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 14:02:25,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 14:02:25,242 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-09 14:02:25,243 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [773612176] [2020-10-09 14:02:25,243 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-09 14:02:25,243 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-09 14:02:25,243 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1768594531] [2020-10-09 14:02:25,243 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-09 14:02:25,244 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 14:02:25,244 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-09 14:02:25,244 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-09 14:02:25,244 INFO L87 Difference]: Start difference. First operand 10851 states and 50268 transitions. Second operand 5 states. [2020-10-09 14:02:25,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 14:02:25,621 INFO L93 Difference]: Finished difference Result 10851 states and 50267 transitions. [2020-10-09 14:02:25,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-09 14:02:25,621 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 35 [2020-10-09 14:02:25,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 14:02:25,660 INFO L225 Difference]: With dead ends: 10851 [2020-10-09 14:02:25,660 INFO L226 Difference]: Without dead ends: 9495 [2020-10-09 14:02:25,660 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-09 14:02:25,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9495 states. [2020-10-09 14:02:25,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9495 to 9495. [2020-10-09 14:02:25,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9495 states. [2020-10-09 14:02:26,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9495 states to 9495 states and 44509 transitions. [2020-10-09 14:02:26,030 INFO L78 Accepts]: Start accepts. Automaton has 9495 states and 44509 transitions. Word has length 35 [2020-10-09 14:02:26,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 14:02:26,031 INFO L481 AbstractCegarLoop]: Abstraction has 9495 states and 44509 transitions. [2020-10-09 14:02:26,031 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-09 14:02:26,032 INFO L276 IsEmpty]: Start isEmpty. Operand 9495 states and 44509 transitions. [2020-10-09 14:02:26,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-10-09 14:02:26,073 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 14:02:26,073 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 14:02:26,073 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-09 14:02:26,073 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2020-10-09 14:02:26,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 14:02:26,074 INFO L82 PathProgramCache]: Analyzing trace with hash 304301717, now seen corresponding path program 1 times [2020-10-09 14:02:26,074 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 14:02:26,074 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2041472575] [2020-10-09 14:02:26,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 14:02:26,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 14:02:26,512 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-09 14:02:26,512 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2041472575] [2020-10-09 14:02:26,512 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-09 14:02:26,512 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-09 14:02:26,513 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [8804865] [2020-10-09 14:02:26,513 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-09 14:02:26,513 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 14:02:26,513 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-09 14:02:26,514 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2020-10-09 14:02:26,514 INFO L87 Difference]: Start difference. First operand 9495 states and 44509 transitions. Second operand 14 states. [2020-10-09 14:02:27,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 14:02:27,876 INFO L93 Difference]: Finished difference Result 9991 states and 45897 transitions. [2020-10-09 14:02:27,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-09 14:02:27,876 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 35 [2020-10-09 14:02:27,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 14:02:27,901 INFO L225 Difference]: With dead ends: 9991 [2020-10-09 14:02:27,901 INFO L226 Difference]: Without dead ends: 9823 [2020-10-09 14:02:27,901 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=153, Invalid=353, Unknown=0, NotChecked=0, Total=506 [2020-10-09 14:02:27,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9823 states. [2020-10-09 14:02:28,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9823 to 9348. [2020-10-09 14:02:28,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9348 states. [2020-10-09 14:02:28,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9348 states to 9348 states and 44001 transitions. [2020-10-09 14:02:28,352 INFO L78 Accepts]: Start accepts. Automaton has 9348 states and 44001 transitions. Word has length 35 [2020-10-09 14:02:28,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 14:02:28,353 INFO L481 AbstractCegarLoop]: Abstraction has 9348 states and 44001 transitions. [2020-10-09 14:02:28,353 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-09 14:02:28,353 INFO L276 IsEmpty]: Start isEmpty. Operand 9348 states and 44001 transitions. [2020-10-09 14:02:28,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-10-09 14:02:28,380 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 14:02:28,380 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 14:02:28,381 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-09 14:02:28,381 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2020-10-09 14:02:28,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 14:02:28,382 INFO L82 PathProgramCache]: Analyzing trace with hash 927101785, now seen corresponding path program 1 times [2020-10-09 14:02:28,382 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 14:02:28,382 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1953216489] [2020-10-09 14:02:28,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 14:02:28,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 14:02:28,744 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-09 14:02:28,745 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1953216489] [2020-10-09 14:02:28,745 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-09 14:02:28,745 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-09 14:02:28,745 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [422946879] [2020-10-09 14:02:28,746 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-09 14:02:28,746 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 14:02:28,746 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-09 14:02:28,746 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2020-10-09 14:02:28,747 INFO L87 Difference]: Start difference. First operand 9348 states and 44001 transitions. Second operand 14 states. [2020-10-09 14:02:30,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 14:02:30,138 INFO L93 Difference]: Finished difference Result 9770 states and 45243 transitions. [2020-10-09 14:02:30,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-09 14:02:30,139 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 35 [2020-10-09 14:02:30,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 14:02:30,162 INFO L225 Difference]: With dead ends: 9770 [2020-10-09 14:02:30,163 INFO L226 Difference]: Without dead ends: 9749 [2020-10-09 14:02:30,163 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=153, Invalid=353, Unknown=0, NotChecked=0, Total=506 [2020-10-09 14:02:30,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9749 states. [2020-10-09 14:02:30,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9749 to 9495. [2020-10-09 14:02:30,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9495 states. [2020-10-09 14:02:30,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9495 states to 9495 states and 44464 transitions. [2020-10-09 14:02:30,606 INFO L78 Accepts]: Start accepts. Automaton has 9495 states and 44464 transitions. Word has length 35 [2020-10-09 14:02:30,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 14:02:30,607 INFO L481 AbstractCegarLoop]: Abstraction has 9495 states and 44464 transitions. [2020-10-09 14:02:30,607 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-09 14:02:30,607 INFO L276 IsEmpty]: Start isEmpty. Operand 9495 states and 44464 transitions. [2020-10-09 14:02:30,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-10-09 14:02:30,640 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 14:02:30,641 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 14:02:30,641 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-09 14:02:30,641 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2020-10-09 14:02:30,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 14:02:30,642 INFO L82 PathProgramCache]: Analyzing trace with hash 1012986355, now seen corresponding path program 1 times [2020-10-09 14:02:30,642 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 14:02:30,642 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1149472093] [2020-10-09 14:02:30,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 14:02:30,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 14:02:30,737 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-09 14:02:30,737 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1149472093] [2020-10-09 14:02:30,738 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-09 14:02:30,738 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-09 14:02:30,738 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [453314182] [2020-10-09 14:02:30,738 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-09 14:02:30,739 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 14:02:30,739 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-09 14:02:30,739 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-09 14:02:30,739 INFO L87 Difference]: Start difference. First operand 9495 states and 44464 transitions. Second operand 5 states. [2020-10-09 14:02:30,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 14:02:30,933 INFO L93 Difference]: Finished difference Result 9495 states and 44463 transitions. [2020-10-09 14:02:30,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-09 14:02:30,933 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 35 [2020-10-09 14:02:30,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 14:02:30,951 INFO L225 Difference]: With dead ends: 9495 [2020-10-09 14:02:30,952 INFO L226 Difference]: Without dead ends: 6519 [2020-10-09 14:02:30,952 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-09 14:02:30,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6519 states. [2020-10-09 14:02:31,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6519 to 6519. [2020-10-09 14:02:31,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6519 states. [2020-10-09 14:02:31,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6519 states to 6519 states and 31633 transitions. [2020-10-09 14:02:31,142 INFO L78 Accepts]: Start accepts. Automaton has 6519 states and 31633 transitions. Word has length 35 [2020-10-09 14:02:31,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 14:02:31,142 INFO L481 AbstractCegarLoop]: Abstraction has 6519 states and 31633 transitions. [2020-10-09 14:02:31,142 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-09 14:02:31,142 INFO L276 IsEmpty]: Start isEmpty. Operand 6519 states and 31633 transitions. [2020-10-09 14:02:31,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-10-09 14:02:31,160 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 14:02:31,160 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 14:02:31,160 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-09 14:02:31,160 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2020-10-09 14:02:31,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 14:02:31,161 INFO L82 PathProgramCache]: Analyzing trace with hash 404755285, now seen corresponding path program 1 times [2020-10-09 14:02:31,161 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 14:02:31,161 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1871353821] [2020-10-09 14:02:31,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 14:02:31,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 14:02:31,417 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-09 14:02:31,417 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1871353821] [2020-10-09 14:02:31,418 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-09 14:02:31,418 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-09 14:02:31,418 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2068701920] [2020-10-09 14:02:31,419 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-09 14:02:31,419 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 14:02:31,419 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-09 14:02:31,419 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-10-09 14:02:31,420 INFO L87 Difference]: Start difference. First operand 6519 states and 31633 transitions. Second operand 11 states. [2020-10-09 14:02:32,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 14:02:32,157 INFO L93 Difference]: Finished difference Result 6540 states and 31674 transitions. [2020-10-09 14:02:32,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-09 14:02:32,158 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 35 [2020-10-09 14:02:32,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 14:02:32,180 INFO L225 Difference]: With dead ends: 6540 [2020-10-09 14:02:32,180 INFO L226 Difference]: Without dead ends: 6372 [2020-10-09 14:02:32,180 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=83, Invalid=223, Unknown=0, NotChecked=0, Total=306 [2020-10-09 14:02:32,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6372 states. [2020-10-09 14:02:32,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6372 to 6372. [2020-10-09 14:02:32,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6372 states. [2020-10-09 14:02:32,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6372 states to 6372 states and 31125 transitions. [2020-10-09 14:02:32,321 INFO L78 Accepts]: Start accepts. Automaton has 6372 states and 31125 transitions. Word has length 35 [2020-10-09 14:02:32,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 14:02:32,321 INFO L481 AbstractCegarLoop]: Abstraction has 6372 states and 31125 transitions. [2020-10-09 14:02:32,321 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-09 14:02:32,321 INFO L276 IsEmpty]: Start isEmpty. Operand 6372 states and 31125 transitions. [2020-10-09 14:02:32,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-10-09 14:02:32,335 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 14:02:32,335 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 14:02:32,336 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-09 14:02:32,336 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2020-10-09 14:02:32,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 14:02:32,336 INFO L82 PathProgramCache]: Analyzing trace with hash -1431328329, now seen corresponding path program 1 times [2020-10-09 14:02:32,336 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 14:02:32,336 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [529474291] [2020-10-09 14:02:32,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 14:02:32,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 14:02:32,439 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 14:02:32,439 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [529474291] [2020-10-09 14:02:32,440 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [444953265] [2020-10-09 14:02:32,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-09 14:02:32,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 14:02:32,601 INFO L263 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 29 conjunts are in the unsatisfiable core [2020-10-09 14:02:32,608 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-09 14:02:32,664 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 14:02:32,665 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-09 14:02:32,665 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 6 [2020-10-09 14:02:32,665 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1362850631] [2020-10-09 14:02:32,665 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-09 14:02:32,666 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 14:02:32,666 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-09 14:02:32,666 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-09 14:02:32,666 INFO L87 Difference]: Start difference. First operand 6372 states and 31125 transitions. Second operand 8 states. [2020-10-09 14:02:33,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 14:02:33,152 INFO L93 Difference]: Finished difference Result 9770 states and 48156 transitions. [2020-10-09 14:02:33,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-09 14:02:33,152 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 35 [2020-10-09 14:02:33,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 14:02:33,180 INFO L225 Difference]: With dead ends: 9770 [2020-10-09 14:02:33,180 INFO L226 Difference]: Without dead ends: 9678 [2020-10-09 14:02:33,181 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-10-09 14:02:33,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9678 states. [2020-10-09 14:02:33,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9678 to 6294. [2020-10-09 14:02:33,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6294 states. [2020-10-09 14:02:33,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6294 states to 6294 states and 30791 transitions. [2020-10-09 14:02:33,339 INFO L78 Accepts]: Start accepts. Automaton has 6294 states and 30791 transitions. Word has length 35 [2020-10-09 14:02:33,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 14:02:33,339 INFO L481 AbstractCegarLoop]: Abstraction has 6294 states and 30791 transitions. [2020-10-09 14:02:33,340 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-09 14:02:33,340 INFO L276 IsEmpty]: Start isEmpty. Operand 6294 states and 30791 transitions. [2020-10-09 14:02:33,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-10-09 14:02:33,351 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 14:02:33,351 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 14:02:33,552 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-10-09 14:02:33,552 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2020-10-09 14:02:33,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 14:02:33,553 INFO L82 PathProgramCache]: Analyzing trace with hash 1039740004, now seen corresponding path program 1 times [2020-10-09 14:02:33,553 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 14:02:33,554 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1563396497] [2020-10-09 14:02:33,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 14:02:33,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 14:02:34,129 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 60 [2020-10-09 14:02:34,339 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 58 [2020-10-09 14:02:34,587 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 50 [2020-10-09 14:02:35,228 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 14:02:35,229 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1563396497] [2020-10-09 14:02:35,229 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1314872302] [2020-10-09 14:02:35,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-09 14:02:35,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 14:02:35,362 INFO L263 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 31 conjunts are in the unsatisfiable core [2020-10-09 14:02:35,365 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-09 14:02:35,482 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 14:02:35,482 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-09 14:02:35,482 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 3] total 18 [2020-10-09 14:02:35,483 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1993717652] [2020-10-09 14:02:35,483 INFO L461 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-10-09 14:02:35,483 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 14:02:35,483 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-10-09 14:02:35,484 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=338, Unknown=0, NotChecked=0, Total=380 [2020-10-09 14:02:35,484 INFO L87 Difference]: Start difference. First operand 6294 states and 30791 transitions. Second operand 20 states. [2020-10-09 14:02:36,161 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 93 [2020-10-09 14:02:36,772 WARN L193 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 116 [2020-10-09 14:02:37,581 WARN L193 SmtUtils]: Spent 575.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 136 [2020-10-09 14:02:38,478 WARN L193 SmtUtils]: Spent 563.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 131 [2020-10-09 14:02:39,455 WARN L193 SmtUtils]: Spent 614.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 137 [2020-10-09 14:02:40,041 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 99 [2020-10-09 14:02:40,981 WARN L193 SmtUtils]: Spent 646.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 142 [2020-10-09 14:02:41,790 WARN L193 SmtUtils]: Spent 712.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 151 [2020-10-09 14:02:42,446 WARN L193 SmtUtils]: Spent 475.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 122 [2020-10-09 14:02:43,583 WARN L193 SmtUtils]: Spent 735.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 156 [2020-10-09 14:02:44,283 WARN L193 SmtUtils]: Spent 605.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 136 [2020-10-09 14:02:45,169 WARN L193 SmtUtils]: Spent 777.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 157 [2020-10-09 14:02:45,851 WARN L193 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 99 [2020-10-09 14:02:47,115 WARN L193 SmtUtils]: Spent 841.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 162 [2020-10-09 14:02:47,846 WARN L193 SmtUtils]: Spent 601.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 137 [2020-10-09 14:02:48,583 WARN L193 SmtUtils]: Spent 639.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 133 [2020-10-09 14:02:49,366 WARN L193 SmtUtils]: Spent 487.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 122 [2020-10-09 14:02:50,623 WARN L193 SmtUtils]: Spent 658.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 138 [2020-10-09 14:02:51,532 WARN L193 SmtUtils]: Spent 703.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 143 [2020-10-09 14:02:52,277 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 104 [2020-10-09 14:02:53,793 WARN L193 SmtUtils]: Spent 763.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 147 [2020-10-09 14:02:54,740 WARN L193 SmtUtils]: Spent 816.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 157 [2020-10-09 14:02:55,447 WARN L193 SmtUtils]: Spent 538.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 127 [2020-10-09 14:02:57,132 WARN L193 SmtUtils]: Spent 830.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 161 [2020-10-09 14:02:57,935 WARN L193 SmtUtils]: Spent 692.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 141 [2020-10-09 14:02:58,999 WARN L193 SmtUtils]: Spent 899.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 163 [2020-10-09 14:03:00,973 WARN L193 SmtUtils]: Spent 916.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 167 [2020-10-09 14:03:01,894 WARN L193 SmtUtils]: Spent 724.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 139 [2020-10-09 14:03:03,631 WARN L193 SmtUtils]: Spent 733.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 143 [2020-10-09 14:03:06,922 WARN L193 SmtUtils]: Spent 851.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 137 [2020-10-09 14:03:07,821 WARN L193 SmtUtils]: Spent 776.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 142 [2020-10-09 14:03:08,820 WARN L193 SmtUtils]: Spent 794.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 149 [2020-10-09 14:03:09,885 WARN L193 SmtUtils]: Spent 867.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 155 [2020-10-09 14:03:10,891 WARN L193 SmtUtils]: Spent 815.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 143 [2020-10-09 14:03:11,941 WARN L193 SmtUtils]: Spent 900.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 159 [2020-10-09 14:03:12,871 WARN L193 SmtUtils]: Spent 837.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 152 [2020-10-09 14:03:13,899 WARN L193 SmtUtils]: Spent 818.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 147 [2020-10-09 14:03:14,920 WARN L193 SmtUtils]: Spent 845.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 153 [2020-10-09 14:03:15,818 WARN L193 SmtUtils]: Spent 796.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 146 [2020-10-09 14:03:16,815 WARN L193 SmtUtils]: Spent 881.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 150 [2020-10-09 14:03:17,762 WARN L193 SmtUtils]: Spent 823.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 140 [2020-10-09 14:03:17,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 14:03:17,912 INFO L93 Difference]: Finished difference Result 24558 states and 123527 transitions. [2020-10-09 14:03:17,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2020-10-09 14:03:17,913 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 36 [2020-10-09 14:03:17,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 14:03:17,987 INFO L225 Difference]: With dead ends: 24558 [2020-10-09 14:03:17,987 INFO L226 Difference]: Without dead ends: 23394 [2020-10-09 14:03:17,989 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 32 SyntacticMatches, 1 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 591 ImplicationChecksByTransitivity, 33.5s TimeCoverageRelationStatistics Valid=939, Invalid=2967, Unknown=0, NotChecked=0, Total=3906 [2020-10-09 14:03:18,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23394 states. [2020-10-09 14:03:18,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23394 to 7366. [2020-10-09 14:03:18,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7366 states. [2020-10-09 14:03:18,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7366 states to 7366 states and 36015 transitions. [2020-10-09 14:03:18,344 INFO L78 Accepts]: Start accepts. Automaton has 7366 states and 36015 transitions. Word has length 36 [2020-10-09 14:03:18,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 14:03:18,344 INFO L481 AbstractCegarLoop]: Abstraction has 7366 states and 36015 transitions. [2020-10-09 14:03:18,344 INFO L482 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-10-09 14:03:18,344 INFO L276 IsEmpty]: Start isEmpty. Operand 7366 states and 36015 transitions. [2020-10-09 14:03:18,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-10-09 14:03:18,361 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 14:03:18,361 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 14:03:18,575 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-09 14:03:18,576 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2020-10-09 14:03:18,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 14:03:18,577 INFO L82 PathProgramCache]: Analyzing trace with hash 2123247270, now seen corresponding path program 1 times [2020-10-09 14:03:18,577 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 14:03:18,578 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1731847926] [2020-10-09 14:03:18,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 14:03:18,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 14:03:19,199 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 77 [2020-10-09 14:03:19,458 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 73 [2020-10-09 14:03:19,688 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 72 [2020-10-09 14:03:19,924 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 70 [2020-10-09 14:03:20,166 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 69 [2020-10-09 14:03:20,408 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 69 [2020-10-09 14:03:20,659 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 65 [2020-10-09 14:03:20,900 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 65 [2020-10-09 14:03:21,185 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 68 [2020-10-09 14:03:21,472 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 64 [2020-10-09 14:03:21,740 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 65 [2020-10-09 14:03:22,029 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 60 [2020-10-09 14:03:22,289 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 49 [2020-10-09 14:03:22,512 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 44 [2020-10-09 14:03:22,726 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 44 [2020-10-09 14:03:22,946 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 46 [2020-10-09 14:03:23,130 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 40 [2020-10-09 14:03:23,856 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 14:03:23,856 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1731847926] [2020-10-09 14:03:23,857 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [948728915] [2020-10-09 14:03:23,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-09 14:03:23,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 14:03:23,973 INFO L263 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 29 conjunts are in the unsatisfiable core [2020-10-09 14:03:23,974 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-09 14:03:24,211 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 14:03:24,212 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-09 14:03:24,212 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 3] total 25 [2020-10-09 14:03:24,212 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2010042225] [2020-10-09 14:03:24,213 INFO L461 AbstractCegarLoop]: Interpolant automaton has 27 states [2020-10-09 14:03:24,213 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 14:03:24,213 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2020-10-09 14:03:24,214 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=645, Unknown=0, NotChecked=0, Total=702 [2020-10-09 14:03:24,214 INFO L87 Difference]: Start difference. First operand 7366 states and 36015 transitions. Second operand 27 states. [2020-10-09 14:03:24,536 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 69 [2020-10-09 14:03:24,936 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 84 [2020-10-09 14:03:25,544 WARN L193 SmtUtils]: Spent 481.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 118 [2020-10-09 14:03:26,679 WARN L193 SmtUtils]: Spent 964.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 166 [2020-10-09 14:03:28,279 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 195 DAG size of output: 179 [2020-10-09 14:03:29,829 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 205 DAG size of output: 187 [2020-10-09 14:03:31,685 WARN L193 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 216 DAG size of output: 196 [2020-10-09 14:03:33,610 WARN L193 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 187 DAG size of output: 172 [2020-10-09 14:03:35,367 WARN L193 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 234 DAG size of output: 199 [2020-10-09 14:03:35,917 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 99 [2020-10-09 14:03:37,560 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 201 DAG size of output: 185 [2020-10-09 14:03:39,057 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 198 DAG size of output: 182 [2020-10-09 14:03:40,380 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 192 DAG size of output: 176 [2020-10-09 14:03:41,285 WARN L193 SmtUtils]: Spent 714.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 124 [2020-10-09 14:03:43,292 WARN L193 SmtUtils]: Spent 1.83 s on a formula simplification. DAG size of input: 252 DAG size of output: 215 [2020-10-09 14:03:43,962 WARN L193 SmtUtils]: Spent 524.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 109 [2020-10-09 14:03:45,890 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 206 DAG size of output: 188 [2020-10-09 14:03:47,398 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 211 DAG size of output: 193 [2020-10-09 14:03:49,083 WARN L193 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 212 DAG size of output: 194 [2020-10-09 14:03:50,736 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 198 DAG size of output: 182 [2020-10-09 14:03:51,734 WARN L193 SmtUtils]: Spent 860.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 140 [2020-10-09 14:03:53,826 WARN L193 SmtUtils]: Spent 1.88 s on a formula simplification. DAG size of input: 265 DAG size of output: 226 [2020-10-09 14:03:54,612 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 75 [2020-10-09 14:03:56,464 WARN L193 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 216 DAG size of output: 185 [2020-10-09 14:03:58,012 WARN L193 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 210 DAG size of output: 179 [2020-10-09 14:03:59,914 WARN L193 SmtUtils]: Spent 1.68 s on a formula simplification. DAG size of input: 222 DAG size of output: 202 [2020-10-09 14:04:02,108 WARN L193 SmtUtils]: Spent 1.65 s on a formula simplification. DAG size of input: 212 DAG size of output: 194 [2020-10-09 14:04:04,202 WARN L193 SmtUtils]: Spent 1.67 s on a formula simplification. DAG size of input: 222 DAG size of output: 202 [2020-10-09 14:04:05,458 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 169 DAG size of output: 151 [2020-10-09 14:04:06,758 WARN L193 SmtUtils]: Spent 940.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 135 [2020-10-09 14:04:09,114 WARN L193 SmtUtils]: Spent 2.16 s on a formula simplification. DAG size of input: 270 DAG size of output: 228 [2020-10-09 14:04:11,379 WARN L193 SmtUtils]: Spent 1.92 s on a formula simplification. DAG size of input: 247 DAG size of output: 210 [2020-10-09 14:04:13,318 WARN L193 SmtUtils]: Spent 1.73 s on a formula simplification. DAG size of input: 224 DAG size of output: 191 [2020-10-09 14:04:15,872 WARN L193 SmtUtils]: Spent 1.82 s on a formula simplification. DAG size of input: 230 DAG size of output: 197 [2020-10-09 14:04:16,571 WARN L193 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 99 [2020-10-09 14:04:18,459 WARN L193 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 216 DAG size of output: 185 [2020-10-09 14:04:19,456 WARN L193 SmtUtils]: Spent 698.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 114 [2020-10-09 14:04:21,414 WARN L193 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 228 DAG size of output: 195 [2020-10-09 14:04:24,310 WARN L193 SmtUtils]: Spent 2.00 s on a formula simplification. DAG size of input: 227 DAG size of output: 207 [2020-10-09 14:04:26,156 WARN L193 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 202 DAG size of output: 177 [2020-10-09 14:04:27,674 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 166 DAG size of output: 148 [2020-10-09 14:04:29,381 WARN L193 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 184 DAG size of output: 161 [2020-10-09 14:04:32,185 WARN L193 SmtUtils]: Spent 2.50 s on a formula simplification. DAG size of input: 281 DAG size of output: 233 [2020-10-09 14:04:33,609 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 156 DAG size of output: 137 [2020-10-09 14:04:36,417 WARN L193 SmtUtils]: Spent 2.24 s on a formula simplification. DAG size of input: 240 DAG size of output: 205 [2020-10-09 14:04:38,988 WARN L193 SmtUtils]: Spent 2.14 s on a formula simplification. DAG size of input: 242 DAG size of output: 207 [2020-10-09 14:04:40,214 WARN L193 SmtUtils]: Spent 987.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 133 [2020-10-09 14:04:40,950 WARN L193 SmtUtils]: Spent 555.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 105 [2020-10-09 14:04:43,676 WARN L193 SmtUtils]: Spent 1.96 s on a formula simplification. DAG size of input: 230 DAG size of output: 197 [2020-10-09 14:04:44,321 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 75 [2020-10-09 14:04:47,068 WARN L193 SmtUtils]: Spent 2.08 s on a formula simplification. DAG size of input: 229 DAG size of output: 196 [2020-10-09 14:04:49,907 WARN L193 SmtUtils]: Spent 2.40 s on a formula simplification. DAG size of input: 240 DAG size of output: 205 [2020-10-09 14:04:51,249 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 145 DAG size of output: 130 [2020-10-09 14:04:53,823 WARN L193 SmtUtils]: Spent 2.38 s on a formula simplification. DAG size of input: 241 DAG size of output: 206 [2020-10-09 14:04:56,929 WARN L193 SmtUtils]: Spent 2.36 s on a formula simplification. DAG size of input: 223 DAG size of output: 190 [2020-10-09 14:04:59,265 WARN L193 SmtUtils]: Spent 1.89 s on a formula simplification. DAG size of input: 213 DAG size of output: 182 [2020-10-09 14:05:01,288 WARN L193 SmtUtils]: Spent 1.80 s on a formula simplification. DAG size of input: 197 DAG size of output: 175 [2020-10-09 14:05:03,288 WARN L193 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 184 DAG size of output: 164 [2020-10-09 14:05:05,677 WARN L193 SmtUtils]: Spent 1.63 s on a formula simplification. DAG size of input: 179 DAG size of output: 159 [2020-10-09 14:05:07,610 WARN L193 SmtUtils]: Spent 1.74 s on a formula simplification. DAG size of input: 195 DAG size of output: 166 [2020-10-09 14:05:09,414 WARN L193 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 167 DAG size of output: 142 [2020-10-09 14:05:11,276 WARN L193 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 172 DAG size of output: 154 [2020-10-09 14:05:14,511 WARN L193 SmtUtils]: Spent 2.77 s on a formula simplification. DAG size of input: 252 DAG size of output: 215 [2020-10-09 14:05:16,083 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 144 DAG size of output: 130 [2020-10-09 14:05:19,655 WARN L193 SmtUtils]: Spent 2.91 s on a formula simplification. DAG size of input: 255 DAG size of output: 218 [2020-10-09 14:05:21,189 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 154 DAG size of output: 139 [2020-10-09 14:05:22,367 WARN L193 SmtUtils]: Spent 932.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 115 [2020-10-09 14:05:26,222 WARN L193 SmtUtils]: Spent 2.76 s on a formula simplification. DAG size of input: 243 DAG size of output: 208 [2020-10-09 14:05:28,986 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 140 DAG size of output: 125 [2020-10-09 14:05:32,368 WARN L193 SmtUtils]: Spent 2.82 s on a formula simplification. DAG size of input: 245 DAG size of output: 210 [2020-10-09 14:05:34,694 WARN L193 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 158 DAG size of output: 141 [2020-10-09 14:05:38,321 WARN L193 SmtUtils]: Spent 2.75 s on a formula simplification. DAG size of input: 237 DAG size of output: 202 [2020-10-09 14:05:43,670 WARN L193 SmtUtils]: Spent 3.58 s on a formula simplification. DAG size of input: 279 DAG size of output: 237 [2020-10-09 14:05:46,241 WARN L193 SmtUtils]: Spent 1.92 s on a formula simplification. DAG size of input: 184 DAG size of output: 164 [2020-10-09 14:05:50,071 WARN L193 SmtUtils]: Spent 3.29 s on a formula simplification. DAG size of input: 253 DAG size of output: 216 [2020-10-09 14:05:52,018 WARN L193 SmtUtils]: Spent 1.68 s on a formula simplification. DAG size of input: 156 DAG size of output: 140 [2020-10-09 14:05:53,369 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 138 DAG size of output: 125 [2020-10-09 14:05:55,759 WARN L193 SmtUtils]: Spent 1.78 s on a formula simplification. DAG size of input: 156 DAG size of output: 140 [2020-10-09 14:05:59,938 WARN L193 SmtUtils]: Spent 3.45 s on a formula simplification. DAG size of input: 260 DAG size of output: 220 [2020-10-09 14:06:01,439 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 126 DAG size of output: 115 [2020-10-09 14:06:03,456 WARN L193 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 80 [2020-10-09 14:06:08,610 WARN L193 SmtUtils]: Spent 3.49 s on a formula simplification. DAG size of input: 257 DAG size of output: 220 [2020-10-09 14:06:12,343 WARN L193 SmtUtils]: Spent 2.43 s on a formula simplification. DAG size of input: 211 DAG size of output: 186 [2020-10-09 14:06:15,932 WARN L193 SmtUtils]: Spent 2.48 s on a formula simplification. DAG size of input: 193 DAG size of output: 170 [2020-10-09 14:06:20,890 WARN L193 SmtUtils]: Spent 4.14 s on a formula simplification. DAG size of input: 288 DAG size of output: 239 [2020-10-09 14:06:23,143 WARN L193 SmtUtils]: Spent 1.85 s on a formula simplification. DAG size of input: 165 DAG size of output: 146 [2020-10-09 14:06:25,836 WARN L193 SmtUtils]: Spent 2.19 s on a formula simplification. DAG size of input: 185 DAG size of output: 165 [2020-10-09 14:06:30,242 WARN L193 SmtUtils]: Spent 3.66 s on a formula simplification. DAG size of input: 258 DAG size of output: 218 [2020-10-09 14:06:32,466 WARN L193 SmtUtils]: Spent 1.76 s on a formula simplification. DAG size of input: 157 DAG size of output: 141 [2020-10-09 14:06:35,366 WARN L193 SmtUtils]: Spent 2.03 s on a formula simplification. DAG size of input: 174 DAG size of output: 156 [2020-10-09 14:06:38,300 WARN L193 SmtUtils]: Spent 2.33 s on a formula simplification. DAG size of input: 192 DAG size of output: 169 [2020-10-09 14:06:40,747 WARN L193 SmtUtils]: Spent 2.18 s on a formula simplification. DAG size of input: 174 DAG size of output: 153 [2020-10-09 14:06:45,123 WARN L193 SmtUtils]: Spent 3.84 s on a formula simplification. DAG size of input: 271 DAG size of output: 225 [2020-10-09 14:06:47,126 WARN L193 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 145 DAG size of output: 127 [2020-10-09 14:06:48,375 WARN L193 SmtUtils]: Spent 872.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 105 [2020-10-09 14:06:50,274 WARN L193 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 154 DAG size of output: 139 [2020-10-09 14:06:51,994 WARN L193 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 144 DAG size of output: 131 [2020-10-09 14:06:58,862 WARN L193 SmtUtils]: Spent 3.44 s on a formula simplification. DAG size of input: 228 DAG size of output: 195 [2020-10-09 14:07:00,423 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 133 DAG size of output: 120 [2020-10-09 14:07:04,285 WARN L193 SmtUtils]: Spent 3.18 s on a formula simplification. DAG size of input: 217 DAG size of output: 199 [2020-10-09 14:07:08,696 WARN L193 SmtUtils]: Spent 3.96 s on a formula simplification. DAG size of input: 252 DAG size of output: 212 [2020-10-09 14:07:11,930 WARN L193 SmtUtils]: Spent 2.89 s on a formula simplification. DAG size of input: 220 DAG size of output: 188 [2020-10-09 14:07:15,238 WARN L193 SmtUtils]: Spent 3.03 s on a formula simplification. DAG size of input: 222 DAG size of output: 193 [2020-10-09 14:07:18,770 WARN L193 SmtUtils]: Spent 2.70 s on a formula simplification. DAG size of input: 202 DAG size of output: 172 [2020-10-09 14:07:21,846 WARN L193 SmtUtils]: Spent 2.78 s on a formula simplification. DAG size of input: 204 DAG size of output: 177 [2020-10-09 14:07:27,614 WARN L193 SmtUtils]: Spent 4.94 s on a formula simplification. DAG size of input: 292 DAG size of output: 243 [2020-10-09 14:07:30,790 WARN L193 SmtUtils]: Spent 2.34 s on a formula simplification. DAG size of input: 176 DAG size of output: 153 [2020-10-09 14:07:33,740 WARN L193 SmtUtils]: Spent 2.57 s on a formula simplification. DAG size of input: 190 DAG size of output: 167 [2020-10-09 14:07:39,174 WARN L193 SmtUtils]: Spent 4.51 s on a formula simplification. DAG size of input: 268 DAG size of output: 222 [2020-10-09 14:07:42,793 WARN L193 SmtUtils]: Spent 2.53 s on a formula simplification. DAG size of input: 187 DAG size of output: 167 [2020-10-09 14:07:45,559 WARN L193 SmtUtils]: Spent 2.32 s on a formula simplification. DAG size of input: 169 DAG size of output: 151 [2020-10-09 14:07:49,129 WARN L193 SmtUtils]: Spent 2.70 s on a formula simplification. DAG size of input: 203 DAG size of output: 174 [2020-10-09 14:07:51,974 WARN L193 SmtUtils]: Spent 2.44 s on a formula simplification. DAG size of input: 185 DAG size of output: 158 [2020-10-09 14:07:54,332 WARN L193 SmtUtils]: Spent 1.93 s on a formula simplification. DAG size of input: 156 DAG size of output: 132 [2020-10-09 14:07:56,770 WARN L193 SmtUtils]: Spent 2.07 s on a formula simplification. DAG size of input: 162 DAG size of output: 146 [2020-10-09 14:08:01,383 WARN L193 SmtUtils]: Spent 4.07 s on a formula simplification. DAG size of input: 242 DAG size of output: 207 [2020-10-09 14:08:02,613 WARN L193 SmtUtils]: Spent 995.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 105 [2020-10-09 14:08:04,770 WARN L193 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 144 DAG size of output: 131 [2020-10-09 14:08:06,989 WARN L193 SmtUtils]: Spent 1.80 s on a formula simplification. DAG size of input: 159 DAG size of output: 144 [2020-10-09 14:08:11,213 WARN L193 SmtUtils]: Spent 1.73 s on a formula simplification. DAG size of input: 145 DAG size of output: 130 [2020-10-09 14:08:16,577 WARN L193 SmtUtils]: Spent 4.55 s on a formula simplification. DAG size of input: 263 DAG size of output: 217 [2020-10-09 14:08:20,369 WARN L193 SmtUtils]: Spent 3.42 s on a formula simplification. DAG size of input: 224 DAG size of output: 192 [2020-10-09 14:08:25,420 WARN L193 SmtUtils]: Spent 4.71 s on a formula simplification. DAG size of input: 261 DAG size of output: 213 [2020-10-09 14:08:29,319 WARN L193 SmtUtils]: Spent 3.53 s on a formula simplification. DAG size of input: 231 DAG size of output: 196 [2020-10-09 14:08:33,500 WARN L193 SmtUtils]: Spent 3.14 s on a formula simplification. DAG size of input: 206 DAG size of output: 176 [2020-10-09 14:08:37,999 WARN L193 SmtUtils]: Spent 4.10 s on a formula simplification. DAG size of input: 243 DAG size of output: 197 [2020-10-09 14:08:41,672 WARN L193 SmtUtils]: Spent 3.35 s on a formula simplification. DAG size of input: 213 DAG size of output: 180 [2020-10-09 14:08:45,952 WARN L193 SmtUtils]: Spent 2.94 s on a formula simplification. DAG size of input: 200 DAG size of output: 171 [2020-10-09 14:08:52,875 WARN L193 SmtUtils]: Spent 4.77 s on a formula simplification. DAG size of input: 269 DAG size of output: 229 [2020-10-09 14:08:56,060 WARN L193 SmtUtils]: Spent 2.52 s on a formula simplification. DAG size of input: 174 DAG size of output: 156 [2020-10-09 14:09:00,765 WARN L193 SmtUtils]: Spent 4.03 s on a formula simplification. DAG size of input: 235 DAG size of output: 202 [2020-10-09 14:09:05,088 WARN L193 SmtUtils]: Spent 1.91 s on a formula simplification. DAG size of input: 146 DAG size of output: 131 [2020-10-09 14:09:09,424 WARN L193 SmtUtils]: Spent 3.73 s on a formula simplification. DAG size of input: 235 DAG size of output: 200 [2020-10-09 14:09:17,233 WARN L193 SmtUtils]: Spent 7.38 s on a formula simplification. DAG size of input: 272 DAG size of output: 219 [2020-10-09 14:09:22,235 WARN L193 SmtUtils]: Spent 3.49 s on a formula simplification. DAG size of input: 217 DAG size of output: 184 [2020-10-09 14:09:27,317 WARN L193 SmtUtils]: Spent 4.65 s on a formula simplification. DAG size of input: 254 DAG size of output: 205 [2020-10-09 14:09:34,015 WARN L193 SmtUtils]: Spent 5.13 s on a formula simplification. DAG size of input: 261 DAG size of output: 221 [2020-10-09 14:09:39,576 WARN L193 SmtUtils]: Spent 4.61 s on a formula simplification. DAG size of input: 242 DAG size of output: 204 [2020-10-09 14:09:43,624 WARN L193 SmtUtils]: Spent 3.14 s on a formula simplification. DAG size of input: 201 DAG size of output: 178 [2020-10-09 14:09:46,973 WARN L193 SmtUtils]: Spent 2.84 s on a formula simplification. DAG size of input: 183 DAG size of output: 162 [2020-10-09 14:09:53,395 WARN L193 SmtUtils]: Spent 5.40 s on a formula simplification. DAG size of input: 267 DAG size of output: 223 [2020-10-09 14:09:55,993 WARN L193 SmtUtils]: Spent 2.24 s on a formula simplification. DAG size of input: 154 DAG size of output: 136 [2020-10-09 14:09:59,214 WARN L193 SmtUtils]: Spent 2.72 s on a formula simplification. DAG size of input: 175 DAG size of output: 157 [2020-10-09 14:10:01,414 WARN L193 SmtUtils]: Spent 1.73 s on a formula simplification. DAG size of input: 149 DAG size of output: 136 [2020-10-09 14:10:07,021 WARN L193 SmtUtils]: Spent 4.82 s on a formula simplification. DAG size of input: 247 DAG size of output: 212 [2020-10-09 14:10:14,460 WARN L193 SmtUtils]: Spent 5.07 s on a formula simplification. DAG size of input: 265 DAG size of output: 217 [2020-10-09 14:10:20,923 WARN L193 SmtUtils]: Spent 4.82 s on a formula simplification. DAG size of input: 247 DAG size of output: 201 [2020-10-09 14:10:28,040 WARN L193 SmtUtils]: Spent 5.60 s on a formula simplification. DAG size of input: 270 DAG size of output: 223 [2020-10-09 14:10:34,159 WARN L193 SmtUtils]: Spent 5.02 s on a formula simplification. DAG size of input: 253 DAG size of output: 209 [2020-10-09 14:10:38,620 WARN L193 SmtUtils]: Spent 3.44 s on a formula simplification. DAG size of input: 212 DAG size of output: 185 [2020-10-09 14:10:42,530 WARN L193 SmtUtils]: Spent 3.32 s on a formula simplification. DAG size of input: 199 DAG size of output: 172 [2020-10-09 14:10:46,659 WARN L193 SmtUtils]: Spent 3.52 s on a formula simplification. DAG size of input: 194 DAG size of output: 169 [2020-10-09 14:10:50,137 WARN L193 SmtUtils]: Spent 2.94 s on a formula simplification. DAG size of input: 181 DAG size of output: 156 [2020-10-09 14:10:56,652 WARN L193 SmtUtils]: Spent 5.82 s on a formula simplification. DAG size of input: 284 DAG size of output: 237 [2020-10-09 14:11:02,729 WARN L193 SmtUtils]: Spent 5.58 s on a formula simplification. DAG size of input: 277 DAG size of output: 231 [2020-10-09 14:11:05,684 WARN L193 SmtUtils]: Spent 2.57 s on a formula simplification. DAG size of input: 165 DAG size of output: 144 [2020-10-09 14:11:16,629 WARN L193 SmtUtils]: Spent 8.13 s on a formula simplification. DAG size of input: 276 DAG size of output: 223 [2020-10-09 14:11:22,216 WARN L193 SmtUtils]: Spent 4.22 s on a formula simplification. DAG size of input: 227 DAG size of output: 199 [2020-10-09 14:11:28,624 WARN L193 SmtUtils]: Spent 5.46 s on a formula simplification. DAG size of input: 258 DAG size of output: 209 [2020-10-09 14:11:33,056 WARN L193 SmtUtils]: Spent 3.80 s on a formula simplification. DAG size of input: 209 DAG size of output: 183 [2020-10-09 14:11:36,822 WARN L193 SmtUtils]: Spent 3.25 s on a formula simplification. DAG size of input: 181 DAG size of output: 159 [2020-10-09 14:11:44,364 WARN L193 SmtUtils]: Spent 6.29 s on a formula simplification. DAG size of input: 274 DAG size of output: 227 [2020-10-09 14:11:51,369 WARN L193 SmtUtils]: Spent 5.55 s on a formula simplification. DAG size of input: 248 DAG size of output: 210 [2020-10-09 14:11:57,943 WARN L193 SmtUtils]: Spent 5.40 s on a formula simplification. DAG size of input: 257 DAG size of output: 211 [2020-10-09 14:12:02,181 WARN L193 SmtUtils]: Spent 3.76 s on a formula simplification. DAG size of input: 209 DAG size of output: 180 [2020-10-09 14:12:07,540 WARN L193 SmtUtils]: Spent 4.79 s on a formula simplification. DAG size of input: 240 DAG size of output: 197 [2020-10-09 14:12:13,342 WARN L193 SmtUtils]: Spent 5.10 s on a formula simplification. DAG size of input: 239 DAG size of output: 195 [2020-10-09 14:12:17,358 WARN L193 SmtUtils]: Spent 3.41 s on a formula simplification. DAG size of input: 191 DAG size of output: 164 [2020-10-09 14:12:22,672 WARN L193 SmtUtils]: Spent 4.55 s on a formula simplification. DAG size of input: 222 DAG size of output: 181 [2020-10-09 14:12:30,140 WARN L193 SmtUtils]: Spent 5.59 s on a formula simplification. DAG size of input: 252 DAG size of output: 211 [2020-10-09 14:12:35,627 WARN L193 SmtUtils]: Spent 4.43 s on a formula simplification. DAG size of input: 236 DAG size of output: 201 [2020-10-09 14:12:41,747 WARN L193 SmtUtils]: Spent 4.97 s on a formula simplification. DAG size of input: 234 DAG size of output: 195 [2020-10-09 14:12:46,570 WARN L193 SmtUtils]: Spent 4.14 s on a formula simplification. DAG size of input: 218 DAG size of output: 185 [2020-10-09 14:12:53,634 WARN L193 SmtUtils]: Spent 5.78 s on a formula simplification. DAG size of input: 259 DAG size of output: 215 [2020-10-09 14:12:59,695 WARN L193 SmtUtils]: Spent 5.16 s on a formula simplification. DAG size of input: 251 DAG size of output: 213 [2020-10-09 14:13:03,959 WARN L193 SmtUtils]: Spent 3.16 s on a formula simplification. DAG size of input: 180 DAG size of output: 159 [2020-10-09 14:13:10,365 WARN L193 SmtUtils]: Spent 5.50 s on a formula simplification. DAG size of input: 258 DAG size of output: 214 [2020-10-09 14:13:16,947 WARN L193 SmtUtils]: Spent 5.54 s on a formula simplification. DAG size of input: 268 DAG size of output: 219 [2020-10-09 14:13:22,690 WARN L193 SmtUtils]: Spent 5.19 s on a formula simplification. DAG size of input: 250 DAG size of output: 205 [2020-10-09 14:13:28,780 WARN L193 SmtUtils]: Spent 5.49 s on a formula simplification. DAG size of input: 250 DAG size of output: 203 [2020-10-09 14:13:34,615 WARN L193 SmtUtils]: Spent 5.07 s on a formula simplification. DAG size of input: 232 DAG size of output: 189 [2020-10-09 14:13:41,844 WARN L193 SmtUtils]: Spent 6.50 s on a formula simplification. DAG size of input: 288 DAG size of output: 239 [2020-10-09 14:13:47,572 WARN L193 SmtUtils]: Spent 4.55 s on a formula simplification. DAG size of input: 230 DAG size of output: 202 [2020-10-09 14:13:52,761 WARN L193 SmtUtils]: Spent 4.31 s on a formula simplification. DAG size of input: 240 DAG size of output: 204 [2020-10-09 14:13:58,845 WARN L193 SmtUtils]: Spent 5.67 s on a formula simplification. DAG size of input: 263 DAG size of output: 218 [2020-10-09 14:14:06,373 WARN L193 SmtUtils]: Spent 6.44 s on a formula simplification. DAG size of input: 277 DAG size of output: 225 [2020-10-09 14:14:11,898 WARN L193 SmtUtils]: Spent 4.24 s on a formula simplification. DAG size of input: 212 DAG size of output: 186 [2020-10-09 14:14:16,852 WARN L193 SmtUtils]: Spent 4.36 s on a formula simplification. DAG size of input: 222 DAG size of output: 189 [2020-10-09 14:14:23,094 WARN L193 SmtUtils]: Spent 5.69 s on a formula simplification. DAG size of input: 245 DAG size of output: 202 [2020-10-09 14:14:29,638 WARN L193 SmtUtils]: Spent 5.79 s on a formula simplification. DAG size of input: 259 DAG size of output: 210 [2020-10-09 14:14:33,841 WARN L193 SmtUtils]: Spent 3.62 s on a formula simplification. DAG size of input: 184 DAG size of output: 162 [2020-10-09 14:14:41,203 WARN L193 SmtUtils]: Spent 6.54 s on a formula simplification. DAG size of input: 266 DAG size of output: 221 [2020-10-09 14:14:48,069 WARN L193 SmtUtils]: Spent 5.56 s on a formula simplification. DAG size of input: 249 DAG size of output: 207 [2020-10-09 14:14:52,598 WARN L193 SmtUtils]: Spent 3.39 s on a formula simplification. DAG size of input: 190 DAG size of output: 163 [2020-10-09 14:14:59,402 WARN L193 SmtUtils]: Spent 5.85 s on a formula simplification. DAG size of input: 261 DAG size of output: 213 [2020-10-09 14:15:05,964 WARN L193 SmtUtils]: Spent 5.78 s on a formula simplification. DAG size of input: 254 DAG size of output: 207 [2020-10-09 14:15:11,959 WARN L193 SmtUtils]: Spent 5.25 s on a formula simplification. DAG size of input: 244 DAG size of output: 199 [2020-10-09 14:15:17,915 WARN L193 SmtUtils]: Spent 5.45 s on a formula simplification. DAG size of input: 243 DAG size of output: 197 [2020-10-09 14:15:23,974 WARN L193 SmtUtils]: Spent 5.31 s on a formula simplification. DAG size of input: 236 DAG size of output: 191 [2020-10-09 14:15:29,845 WARN L193 SmtUtils]: Spent 5.01 s on a formula simplification. DAG size of input: 226 DAG size of output: 183 [2020-10-09 14:15:35,857 WARN L193 SmtUtils]: Spent 4.71 s on a formula simplification. DAG size of input: 226 DAG size of output: 199 [2020-10-09 14:15:42,387 WARN L193 SmtUtils]: Spent 4.37 s on a formula simplification. DAG size of input: 208 DAG size of output: 183 [2020-10-09 14:15:46,679 WARN L193 SmtUtils]: Spent 3.53 s on a formula simplification. DAG size of input: 180 DAG size of output: 159 [2020-10-09 14:15:57,934 WARN L193 SmtUtils]: Spent 9.39 s on a formula simplification. DAG size of input: 272 DAG size of output: 219 [2020-10-09 14:16:05,192 WARN L193 SmtUtils]: Spent 6.21 s on a formula simplification. DAG size of input: 254 DAG size of output: 205 [2020-10-09 14:16:11,890 WARN L193 SmtUtils]: Spent 5.08 s on a formula simplification. DAG size of input: 230 DAG size of output: 202 Received shutdown request... [2020-10-09 14:16:16,097 WARN L210 SmtUtils]: Removed 13 from assertion stack [2020-10-09 14:16:16,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 208 states. [2020-10-09 14:16:16,298 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2020-10-09 14:16:16,299 WARN L546 AbstractCegarLoop]: Verification canceled [2020-10-09 14:16:16,303 WARN L235 ceAbstractionStarter]: Timeout [2020-10-09 14:16:16,303 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.10 02:16:16 BasicIcfg [2020-10-09 14:16:16,303 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-09 14:16:16,304 INFO L168 Benchmark]: Toolchain (without parser) took 850468.79 ms. Allocated memory was 251.1 MB in the beginning and 1.6 GB in the end (delta: 1.3 GB). Free memory was 206.1 MB in the beginning and 787.8 MB in the end (delta: -581.7 MB). Peak memory consumption was 729.0 MB. Max. memory is 14.2 GB. [2020-10-09 14:16:16,305 INFO L168 Benchmark]: CDTParser took 1.39 ms. Allocated memory is still 251.1 MB. Free memory is still 227.5 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-09 14:16:16,305 INFO L168 Benchmark]: CACSL2BoogieTranslator took 414.88 ms. Allocated memory was 251.1 MB in the beginning and 314.6 MB in the end (delta: 63.4 MB). Free memory was 206.1 MB in the beginning and 286.1 MB in the end (delta: -80.0 MB). Peak memory consumption was 24.5 MB. Max. memory is 14.2 GB. [2020-10-09 14:16:16,305 INFO L168 Benchmark]: Boogie Procedure Inliner took 73.67 ms. Allocated memory is still 314.6 MB. Free memory was 286.1 MB in the beginning and 283.6 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-09 14:16:16,305 INFO L168 Benchmark]: Boogie Preprocessor took 29.83 ms. Allocated memory is still 314.6 MB. Free memory is still 283.6 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-09 14:16:16,306 INFO L168 Benchmark]: RCFGBuilder took 510.12 ms. Allocated memory is still 314.6 MB. Free memory was 283.6 MB in the beginning and 250.9 MB in the end (delta: 32.8 MB). Peak memory consumption was 32.8 MB. Max. memory is 14.2 GB. [2020-10-09 14:16:16,306 INFO L168 Benchmark]: TraceAbstraction took 849434.48 ms. Allocated memory was 314.6 MB in the beginning and 1.6 GB in the end (delta: 1.2 GB). Free memory was 250.9 MB in the beginning and 787.8 MB in the end (delta: -537.0 MB). Peak memory consumption was 710.3 MB. Max. memory is 14.2 GB. [2020-10-09 14:16:16,308 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.39 ms. Allocated memory is still 251.1 MB. Free memory is still 227.5 MB. There was no memory consumed. Max. memory is 14.2 GB. * CACSL2BoogieTranslator took 414.88 ms. Allocated memory was 251.1 MB in the beginning and 314.6 MB in the end (delta: 63.4 MB). Free memory was 206.1 MB in the beginning and 286.1 MB in the end (delta: -80.0 MB). Peak memory consumption was 24.5 MB. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 73.67 ms. Allocated memory is still 314.6 MB. Free memory was 286.1 MB in the beginning and 283.6 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * Boogie Preprocessor took 29.83 ms. Allocated memory is still 314.6 MB. Free memory is still 283.6 MB. There was no memory consumed. Max. memory is 14.2 GB. * RCFGBuilder took 510.12 ms. Allocated memory is still 314.6 MB. Free memory was 283.6 MB in the beginning and 250.9 MB in the end (delta: 32.8 MB). Peak memory consumption was 32.8 MB. Max. memory is 14.2 GB. * TraceAbstraction took 849434.48 ms. Allocated memory was 314.6 MB in the beginning and 1.6 GB in the end (delta: 1.2 GB). Free memory was 250.9 MB in the beginning and 787.8 MB in the end (delta: -537.0 MB). Peak memory consumption was 710.3 MB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 8397 VarBasedMoverChecksPositive, 114 VarBasedMoverChecksNegative, 29 SemBasedMoverChecksPositive, 85 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.8s, 986 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 8.1s, 221 PlacesBefore, 61 PlacesAfterwards, 234 TransitionsBefore, 68 TransitionsAfterwards, 11904 CoEnabledTransitionPairs, 6 FixpointIterations, 86 TrivialSequentialCompositions, 70 ConcurrentSequentialCompositions, 8 TrivialYvCompositions, 21 ConcurrentYvCompositions, 6 ChoiceCompositions, 191 TotalNumberOfCompositions, 31791 MoverChecksTotal - TimeoutResultAtElement [Line: 75]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 75). Cancelled while BasicCegarLoop was constructing difference of abstraction (7366states) and FLOYD_HOARE automaton (currently 208 states, 27 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 280 for 3032ms.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 143 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 849.2s, OverallIterations: 12, TraceHistogramMax: 1, AutomataDifference: 824.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 8.9s, HoareTripleCheckerStatistics: 1308 SDtfs, 5615 SDslu, 6816 SDs, 0 SdLazy, 20078 SolverSat, 545 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 61.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 531 GetRequests, 107 SyntacticMatches, 2 SemanticMatches, 421 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21187 ImplicationChecksByTransitivity, 733.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=10884occurred in iteration=2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 4.1s AutomataMinimizationTime, 11 MinimizatonAttempts, 23155 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 9.3s InterpolantComputationTime, 526 NumberOfCodeBlocks, 526 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 511 ConstructedInterpolants, 0 QuantifiedInterpolants, 397523 SizeOfPredicates, 28 NumberOfNonLiveVariables, 764 ConjunctsInSsa, 89 ConjunctsInUnsatCore, 15 InterpolantComputations, 9 PerfectInterpolantSequences, 8/14 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 could not prove your program: Timeout Completed graceful shutdown