/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe-Separate.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/concurrent/pthreads/regression/joinMultipleReturnValues.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-bc79526 [2022-01-18 13:57:31,775 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-18 13:57:31,776 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-18 13:57:31,831 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-18 13:57:31,832 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-18 13:57:31,833 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-18 13:57:31,833 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-18 13:57:31,834 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-18 13:57:31,835 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-18 13:57:31,836 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-18 13:57:31,836 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-18 13:57:31,837 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-18 13:57:31,837 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-18 13:57:31,838 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-18 13:57:31,838 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-18 13:57:31,839 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-18 13:57:31,840 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-18 13:57:31,840 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-18 13:57:31,841 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-18 13:57:31,842 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-18 13:57:31,843 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-18 13:57:31,844 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-18 13:57:31,845 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-18 13:57:31,845 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-18 13:57:31,847 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-01-18 13:57:31,849 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-18 13:57:31,849 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-18 13:57:31,850 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-18 13:57:31,850 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-18 13:57:31,851 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-18 13:57:31,851 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-18 13:57:31,851 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-18 13:57:31,852 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-18 13:57:31,852 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-18 13:57:31,852 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-18 13:57:31,853 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-18 13:57:31,853 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe-Separate.epf [2022-01-18 13:57:31,866 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-18 13:57:31,866 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-18 13:57:31,866 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-18 13:57:31,866 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-18 13:57:31,867 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-18 13:57:31,867 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-18 13:57:31,867 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-18 13:57:31,867 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-18 13:57:31,867 INFO L138 SettingsManager]: * Use SBE=true [2022-01-18 13:57:31,868 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-18 13:57:31,868 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-18 13:57:31,868 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-18 13:57:31,868 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-18 13:57:31,868 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-18 13:57:31,868 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-18 13:57:31,868 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-18 13:57:31,868 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-18 13:57:31,869 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-18 13:57:31,869 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-18 13:57:31,869 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-18 13:57:31,869 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-18 13:57:31,869 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-18 13:57:31,869 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-18 13:57:31,869 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-18 13:57:31,869 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-18 13:57:31,869 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-18 13:57:31,870 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-18 13:57:31,870 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-18 13:57:31,870 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-18 13:57:31,870 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-18 13:57:31,870 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-18 13:57:31,870 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-18 13:57:31,870 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-18 13:57:31,870 INFO L138 SettingsManager]: * Check the insufficient thread errors last=true [2022-01-18 13:57:31,870 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-01-18 13:57:32,143 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-18 13:57:32,160 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-18 13:57:32,161 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-18 13:57:32,162 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-18 13:57:32,162 INFO L275 PluginConnector]: CDTParser initialized [2022-01-18 13:57:32,163 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/pthreads/regression/joinMultipleReturnValues.c [2022-01-18 13:57:32,198 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/052b5b03b/c25921299bcf4ebe99bf56da4854aa13/FLAG8d72645cb [2022-01-18 13:57:32,528 INFO L306 CDTParser]: Found 1 translation units. [2022-01-18 13:57:32,529 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/concurrent/pthreads/regression/joinMultipleReturnValues.c [2022-01-18 13:57:32,529 WARN L117 ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available. [2022-01-18 13:57:32,529 WARN L117 ultiparseSymbolTable]: System include stdio.h could not be resolved by CDT -- only built-in system includes are available. [2022-01-18 13:57:32,529 WARN L117 ultiparseSymbolTable]: System include stdlib.h could not be resolved by CDT -- only built-in system includes are available. [2022-01-18 13:57:32,548 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/052b5b03b/c25921299bcf4ebe99bf56da4854aa13/FLAG8d72645cb [2022-01-18 13:57:32,972 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/052b5b03b/c25921299bcf4ebe99bf56da4854aa13 [2022-01-18 13:57:32,973 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-18 13:57:32,974 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-18 13:57:32,976 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-18 13:57:32,976 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-18 13:57:32,978 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-18 13:57:32,979 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.01 01:57:32" (1/1) ... [2022-01-18 13:57:32,979 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58398ef1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 01:57:32, skipping insertion in model container [2022-01-18 13:57:32,979 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.01 01:57:32" (1/1) ... [2022-01-18 13:57:32,983 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-18 13:57:32,990 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-18 13:57:33,117 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-18 13:57:33,123 INFO L203 MainTranslator]: Completed pre-run [2022-01-18 13:57:33,132 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-18 13:57:33,140 INFO L208 MainTranslator]: Completed translation [2022-01-18 13:57:33,140 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 01:57:33 WrapperNode [2022-01-18 13:57:33,140 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-18 13:57:33,141 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-18 13:57:33,141 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-18 13:57:33,141 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-18 13:57:33,146 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 01:57:33" (1/1) ... [2022-01-18 13:57:33,150 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 01:57:33" (1/1) ... [2022-01-18 13:57:33,164 INFO L137 Inliner]: procedures = 12, calls = 27, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 46 [2022-01-18 13:57:33,165 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-18 13:57:33,165 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-18 13:57:33,165 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-18 13:57:33,165 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-18 13:57:33,171 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 01:57:33" (1/1) ... [2022-01-18 13:57:33,171 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 01:57:33" (1/1) ... [2022-01-18 13:57:33,181 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 01:57:33" (1/1) ... [2022-01-18 13:57:33,181 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 01:57:33" (1/1) ... [2022-01-18 13:57:33,191 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 01:57:33" (1/1) ... [2022-01-18 13:57:33,192 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 01:57:33" (1/1) ... [2022-01-18 13:57:33,193 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 01:57:33" (1/1) ... [2022-01-18 13:57:33,194 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-18 13:57:33,194 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-18 13:57:33,194 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-18 13:57:33,194 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-18 13:57:33,197 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 01:57:33" (1/1) ... [2022-01-18 13:57:33,205 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-18 13:57:33,210 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 13:57:33,236 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-01-18 13:57:33,258 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-01-18 13:57:33,280 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-01-18 13:57:33,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-18 13:57:33,280 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-01-18 13:57:33,280 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2022-01-18 13:57:33,280 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2022-01-18 13:57:33,280 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-18 13:57:33,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-18 13:57:33,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-18 13:57:33,280 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-01-18 13:57:33,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-01-18 13:57:33,280 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-18 13:57:33,281 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-18 13:57:33,281 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-01-18 13:57:33,350 INFO L234 CfgBuilder]: Building ICFG [2022-01-18 13:57:33,351 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-18 13:57:33,497 INFO L275 CfgBuilder]: Performing block encoding [2022-01-18 13:57:33,501 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-18 13:57:33,501 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-01-18 13:57:33,502 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.01 01:57:33 BoogieIcfgContainer [2022-01-18 13:57:33,502 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-18 13:57:33,503 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-18 13:57:33,503 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-18 13:57:33,508 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-18 13:57:33,508 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.01 01:57:32" (1/3) ... [2022-01-18 13:57:33,508 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17fe5172 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.01 01:57:33, skipping insertion in model container [2022-01-18 13:57:33,508 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 01:57:33" (2/3) ... [2022-01-18 13:57:33,509 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17fe5172 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.01 01:57:33, skipping insertion in model container [2022-01-18 13:57:33,509 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.01 01:57:33" (3/3) ... [2022-01-18 13:57:33,509 INFO L111 eAbstractionObserver]: Analyzing ICFG joinMultipleReturnValues.c [2022-01-18 13:57:33,512 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-01-18 13:57:33,512 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-18 13:57:33,512 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-01-18 13:57:33,512 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-01-18 13:57:33,535 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:57:33,535 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:57:33,535 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:57:33,535 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:57:33,536 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:57:33,536 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:57:33,536 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:57:33,536 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:57:33,536 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~malloc0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:57:33,536 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~malloc0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:57:33,537 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~malloc0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:57:33,537 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~malloc0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:57:33,537 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~malloc0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:57:33,537 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~malloc0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:57:33,537 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret_val~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:57:33,537 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret_val~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:57:33,537 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~malloc0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:57:33,537 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~malloc0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:57:33,538 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret_val~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:57:33,538 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret_val~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:57:33,538 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~malloc0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:57:33,538 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~malloc0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:57:33,538 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~malloc0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:57:33,538 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~malloc0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:57:33,538 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:57:33,538 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:57:33,538 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~num~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:57:33,538 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~num~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:57:33,539 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:57:33,539 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:57:33,539 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~num~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:57:33,539 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~num~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:57:33,539 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~num~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:57:33,539 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~num~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:57:33,539 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:57:33,539 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~num~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:57:33,539 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~num~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:57:33,539 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:57:33,540 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:57:33,540 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:57:33,540 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:57:33,540 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:57:33,540 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:57:33,541 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:57:33,541 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:57:33,541 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:57:33,541 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~num~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:57:33,541 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~num~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:57:33,541 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:57:33,541 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~num~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:57:33,541 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~num~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:57:33,541 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:57:33,542 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret_val~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:57:33,542 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret_val~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:57:33,542 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret_val~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:57:33,542 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret_val~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:57:33,542 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:57:33,542 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret_val~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:57:33,543 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret_val~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:57:33,543 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:57:33,543 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret_val~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:57:33,543 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret_val~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:57:33,543 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret_val~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:57:33,543 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret_val~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:57:33,544 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret_val~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:57:33,544 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret_val~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:57:33,544 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:57:33,544 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:57:33,544 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret_val~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:57:33,545 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret_val~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:57:33,545 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:57:33,545 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:57:33,545 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret_val~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:57:33,545 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret_val~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:57:33,545 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:57:33,545 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:57:33,545 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret_val~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:57:33,545 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret_val~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:57:33,546 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret_val~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:57:33,546 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret_val~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:57:33,548 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:57:33,548 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:57:33,548 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret_val~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:57:33,548 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret_val~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:57:33,548 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:57:33,548 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:57:33,548 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~num~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:57:33,548 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:57:33,549 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:57:33,549 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~malloc0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:57:33,549 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~num~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:57:33,549 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~malloc0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:57:33,551 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-01-18 13:57:33,585 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-18 13:57:33,589 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-01-18 13:57:33,589 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-01-18 13:57:33,596 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 69 places, 66 transitions, 140 flow [2022-01-18 13:57:33,614 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 105 states, 103 states have (on average 1.5436893203883495) internal successors, (159), 104 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 13:57:33,615 INFO L276 IsEmpty]: Start isEmpty. Operand has 105 states, 103 states have (on average 1.5436893203883495) internal successors, (159), 104 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 13:57:33,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-01-18 13:57:33,620 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 13:57:33,620 INFO L514 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 13:57:33,620 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-01-18 13:57:33,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 13:57:33,623 INFO L85 PathProgramCache]: Analyzing trace with hash 1521103836, now seen corresponding path program 1 times [2022-01-18 13:57:33,628 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 13:57:33,629 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1121672308] [2022-01-18 13:57:33,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 13:57:33,629 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 13:57:33,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 13:57:33,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 13:57:33,919 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 13:57:33,919 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1121672308] [2022-01-18 13:57:33,919 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1121672308] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 13:57:33,920 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 13:57:33,920 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 13:57:33,921 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1267785063] [2022-01-18 13:57:33,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 13:57:33,924 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-18 13:57:33,924 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 13:57:33,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-18 13:57:33,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2022-01-18 13:57:33,951 INFO L87 Difference]: Start difference. First operand has 105 states, 103 states have (on average 1.5436893203883495) internal successors, (159), 104 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 9 states, 9 states have (on average 5.111111111111111) internal successors, (46), 9 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 13:57:34,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 13:57:34,134 INFO L93 Difference]: Finished difference Result 93 states and 134 transitions. [2022-01-18 13:57:34,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-18 13:57:34,136 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.111111111111111) internal successors, (46), 9 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 46 [2022-01-18 13:57:34,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 13:57:34,141 INFO L225 Difference]: With dead ends: 93 [2022-01-18 13:57:34,142 INFO L226 Difference]: Without dead ends: 93 [2022-01-18 13:57:34,143 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=140, Unknown=0, NotChecked=0, Total=210 [2022-01-18 13:57:34,145 INFO L933 BasicCegarLoop]: 42 mSDtfsCounter, 106 mSDsluCounter, 173 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 210 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 13:57:34,146 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [106 Valid, 210 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 13:57:34,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2022-01-18 13:57:34,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2022-01-18 13:57:34,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 91 states have (on average 1.4725274725274726) internal successors, (134), 92 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 13:57:34,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 134 transitions. [2022-01-18 13:57:34,182 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 134 transitions. Word has length 46 [2022-01-18 13:57:34,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 13:57:34,182 INFO L470 AbstractCegarLoop]: Abstraction has 93 states and 134 transitions. [2022-01-18 13:57:34,182 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.111111111111111) internal successors, (46), 9 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 13:57:34,182 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 134 transitions. [2022-01-18 13:57:34,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-01-18 13:57:34,185 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 13:57:34,186 INFO L514 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 13:57:34,186 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-18 13:57:34,186 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-01-18 13:57:34,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 13:57:34,190 INFO L85 PathProgramCache]: Analyzing trace with hash 1166503070, now seen corresponding path program 1 times [2022-01-18 13:57:34,190 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 13:57:34,190 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1239838759] [2022-01-18 13:57:34,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 13:57:34,191 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 13:57:34,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 13:57:34,454 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 13:57:34,454 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 13:57:34,455 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1239838759] [2022-01-18 13:57:34,455 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1239838759] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 13:57:34,455 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 13:57:34,456 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-01-18 13:57:34,456 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968179252] [2022-01-18 13:57:34,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 13:57:34,458 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-18 13:57:34,458 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 13:57:34,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-18 13:57:34,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=304, Unknown=0, NotChecked=0, Total=342 [2022-01-18 13:57:34,460 INFO L87 Difference]: Start difference. First operand 93 states and 134 transitions. Second operand has 19 states, 18 states have (on average 2.6666666666666665) internal successors, (48), 19 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 13:57:35,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 13:57:35,073 INFO L93 Difference]: Finished difference Result 92 states and 133 transitions. [2022-01-18 13:57:35,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-01-18 13:57:35,073 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 2.6666666666666665) internal successors, (48), 19 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 48 [2022-01-18 13:57:35,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 13:57:35,074 INFO L225 Difference]: With dead ends: 92 [2022-01-18 13:57:35,074 INFO L226 Difference]: Without dead ends: 92 [2022-01-18 13:57:35,075 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 178 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=315, Invalid=1325, Unknown=0, NotChecked=0, Total=1640 [2022-01-18 13:57:35,076 INFO L933 BasicCegarLoop]: 40 mSDtfsCounter, 179 mSDsluCounter, 458 mSDsCounter, 0 mSdLazyCounter, 391 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 179 SdHoareTripleChecker+Valid, 498 SdHoareTripleChecker+Invalid, 414 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 391 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-01-18 13:57:35,076 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [179 Valid, 498 Invalid, 414 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 391 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-01-18 13:57:35,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2022-01-18 13:57:35,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2022-01-18 13:57:35,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 91 states have (on average 1.4615384615384615) internal successors, (133), 91 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 13:57:35,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 133 transitions. [2022-01-18 13:57:35,082 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 133 transitions. Word has length 48 [2022-01-18 13:57:35,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 13:57:35,082 INFO L470 AbstractCegarLoop]: Abstraction has 92 states and 133 transitions. [2022-01-18 13:57:35,082 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 2.6666666666666665) internal successors, (48), 19 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 13:57:35,082 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 133 transitions. [2022-01-18 13:57:35,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-01-18 13:57:35,083 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 13:57:35,083 INFO L514 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 13:57:35,084 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-18 13:57:35,084 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-01-18 13:57:35,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 13:57:35,084 INFO L85 PathProgramCache]: Analyzing trace with hash 1801856965, now seen corresponding path program 1 times [2022-01-18 13:57:35,084 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 13:57:35,084 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [966780929] [2022-01-18 13:57:35,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 13:57:35,085 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 13:57:35,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 13:57:35,302 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 13:57:35,302 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 13:57:35,302 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [966780929] [2022-01-18 13:57:35,302 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [966780929] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 13:57:35,302 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 13:57:35,302 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-01-18 13:57:35,303 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [390407749] [2022-01-18 13:57:35,303 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 13:57:35,303 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-01-18 13:57:35,304 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 13:57:35,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-01-18 13:57:35,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2022-01-18 13:57:35,305 INFO L87 Difference]: Start difference. First operand 92 states and 133 transitions. Second operand has 13 states, 12 states have (on average 4.083333333333333) internal successors, (49), 13 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 13:57:35,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 13:57:35,600 INFO L93 Difference]: Finished difference Result 91 states and 132 transitions. [2022-01-18 13:57:35,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-01-18 13:57:35,601 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.083333333333333) internal successors, (49), 13 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 49 [2022-01-18 13:57:35,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 13:57:35,602 INFO L225 Difference]: With dead ends: 91 [2022-01-18 13:57:35,602 INFO L226 Difference]: Without dead ends: 0 [2022-01-18 13:57:35,606 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=169, Invalid=533, Unknown=0, NotChecked=0, Total=702 [2022-01-18 13:57:35,613 INFO L933 BasicCegarLoop]: 45 mSDtfsCounter, 87 mSDsluCounter, 306 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 346 SdHoareTripleChecker+Invalid, 169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 13:57:35,614 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [87 Valid, 346 Invalid, 169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 164 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 13:57:35,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-01-18 13:57:35,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-01-18 13:57:35,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 13:57:35,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-01-18 13:57:35,616 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 49 [2022-01-18 13:57:35,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 13:57:35,616 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-01-18 13:57:35,616 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.083333333333333) internal successors, (49), 13 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 13:57:35,616 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-01-18 13:57:35,616 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-01-18 13:57:35,619 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (2 of 3 remaining) [2022-01-18 13:57:35,619 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONASSERT (1 of 3 remaining) [2022-01-18 13:57:35,619 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (0 of 3 remaining) [2022-01-18 13:57:35,620 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-01-18 13:57:35,622 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-01-18 13:57:35,625 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-01-18 13:57:35,625 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-18 13:57:35,636 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.01 01:57:35 BasicIcfg [2022-01-18 13:57:35,637 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-18 13:57:35,637 INFO L158 Benchmark]: Toolchain (without parser) took 2663.05ms. Allocated memory is still 419.4MB. Free memory was 363.6MB in the beginning and 196.4MB in the end (delta: 167.2MB). Peak memory consumption was 166.9MB. Max. memory is 16.0GB. [2022-01-18 13:57:35,637 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 419.4MB. Free memory is still 381.9MB. There was no memory consumed. Max. memory is 16.0GB. [2022-01-18 13:57:35,638 INFO L158 Benchmark]: CACSL2BoogieTranslator took 164.06ms. Allocated memory is still 419.4MB. Free memory was 363.3MB in the beginning and 390.4MB in the end (delta: -27.1MB). Peak memory consumption was 15.9MB. Max. memory is 16.0GB. [2022-01-18 13:57:35,638 INFO L158 Benchmark]: Boogie Procedure Inliner took 23.76ms. Allocated memory is still 419.4MB. Free memory was 390.4MB in the beginning and 389.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.0GB. [2022-01-18 13:57:35,640 INFO L158 Benchmark]: Boogie Preprocessor took 28.48ms. Allocated memory is still 419.4MB. Free memory was 389.4MB in the beginning and 387.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2022-01-18 13:57:35,641 INFO L158 Benchmark]: RCFGBuilder took 308.04ms. Allocated memory is still 419.4MB. Free memory was 387.9MB in the beginning and 374.7MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.0GB. [2022-01-18 13:57:35,643 INFO L158 Benchmark]: TraceAbstraction took 2133.41ms. Allocated memory is still 419.4MB. Free memory was 374.7MB in the beginning and 196.4MB in the end (delta: 178.3MB). Peak memory consumption was 178.3MB. Max. memory is 16.0GB. [2022-01-18 13:57:35,645 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 419.4MB. Free memory is still 381.9MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 164.06ms. Allocated memory is still 419.4MB. Free memory was 363.3MB in the beginning and 390.4MB in the end (delta: -27.1MB). Peak memory consumption was 15.9MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 23.76ms. Allocated memory is still 419.4MB. Free memory was 390.4MB in the beginning and 389.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.0GB. * Boogie Preprocessor took 28.48ms. Allocated memory is still 419.4MB. Free memory was 389.4MB in the beginning and 387.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * RCFGBuilder took 308.04ms. Allocated memory is still 419.4MB. Free memory was 387.9MB in the beginning and 374.7MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.0GB. * TraceAbstraction took 2133.41ms. Allocated memory is still 419.4MB. Free memory was 374.7MB in the beginning and 196.4MB in the end (delta: 178.3MB). Peak memory consumption was 178.3MB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 44]: assertion always holds For all program executions holds that assertion always holds at this location - PositiveResult [Line: 45]: assertion always holds For all program executions holds that assertion always holds at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 85 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 2.0s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 372 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 372 mSDsluCounter, 1054 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 937 mSDsCounter, 38 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 639 IncrementalHoareTripleChecker+Invalid, 677 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 38 mSolverCounterUnsat, 127 mSDtfsCounter, 639 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 85 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 249 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=105occurred in iteration=0, InterpolantAutomatonStates: 51, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 143 NumberOfCodeBlocks, 143 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 140 ConstructedInterpolants, 0 QuantifiedInterpolants, 949 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-01-18 13:57:35,674 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...