/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.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe006_pso.oepc_pso.opt_tso.oepc_tso.opt-thin000_pso.oepc_pso.opt_tso.oepc_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-bc79526 [2022-01-17 23:14:24,988 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-17 23:14:24,989 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-17 23:14:25,012 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-17 23:14:25,012 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-17 23:14:25,015 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-17 23:14:25,018 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-17 23:14:25,024 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-17 23:14:25,026 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-17 23:14:25,030 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-17 23:14:25,031 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-17 23:14:25,032 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-17 23:14:25,032 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-17 23:14:25,034 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-17 23:14:25,035 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-17 23:14:25,036 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-17 23:14:25,037 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-17 23:14:25,038 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-17 23:14:25,070 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-17 23:14:25,082 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-17 23:14:25,082 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-17 23:14:25,085 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-17 23:14:25,086 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-17 23:14:25,087 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-17 23:14:25,092 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-17 23:14:25,092 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-17 23:14:25,092 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-17 23:14:25,093 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-17 23:14:25,093 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-17 23:14:25,094 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-01-17 23:14:25,094 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-17 23:14:25,094 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-17 23:14:25,096 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-17 23:14:25,096 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-17 23:14:25,097 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-17 23:14:25,097 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-17 23:14:25,097 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-17 23:14:25,098 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-17 23:14:25,098 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-17 23:14:25,098 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-17 23:14:25,098 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-17 23:14:25,099 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.epf [2022-01-17 23:14:25,124 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-17 23:14:25,124 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-17 23:14:25,124 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-17 23:14:25,124 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-17 23:14:25,125 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-17 23:14:25,125 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-17 23:14:25,125 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-17 23:14:25,125 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-17 23:14:25,125 INFO L138 SettingsManager]: * Use SBE=true [2022-01-17 23:14:25,125 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-17 23:14:25,126 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-17 23:14:25,126 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-17 23:14:25,126 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-17 23:14:25,126 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-17 23:14:25,126 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-17 23:14:25,126 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-17 23:14:25,126 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-17 23:14:25,126 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-17 23:14:25,126 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-17 23:14:25,126 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-17 23:14:25,126 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-17 23:14:25,127 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-17 23:14:25,127 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-17 23:14:25,127 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-17 23:14:25,127 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-17 23:14:25,127 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-17 23:14:25,127 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-17 23:14:25,127 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-17 23:14:25,127 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-17 23:14:25,127 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-17 23:14:25,127 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-17 23:14:25,127 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-17 23:14:25,128 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-17 23:14:25,128 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-01-17 23:14:25,288 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-17 23:14:25,301 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-17 23:14:25,302 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-17 23:14:25,303 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-17 23:14:25,309 INFO L275 PluginConnector]: CDTParser initialized [2022-01-17 23:14:25,309 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe006_pso.oepc_pso.opt_tso.oepc_tso.opt-thin000_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2022-01-17 23:14:25,366 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0091236b2/f539ae74042042c9a317843e86c2a4cf/FLAGb3af0545e [2022-01-17 23:14:25,828 INFO L306 CDTParser]: Found 1 translation units. [2022-01-17 23:14:25,828 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe006_pso.oepc_pso.opt_tso.oepc_tso.opt-thin000_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2022-01-17 23:14:25,842 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0091236b2/f539ae74042042c9a317843e86c2a4cf/FLAGb3af0545e [2022-01-17 23:14:25,864 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0091236b2/f539ae74042042c9a317843e86c2a4cf [2022-01-17 23:14:25,865 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-17 23:14:25,866 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-17 23:14:25,868 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-17 23:14:25,868 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-17 23:14:25,871 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-17 23:14:25,872 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.01 11:14:25" (1/1) ... [2022-01-17 23:14:25,873 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f40857c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.01 11:14:25, skipping insertion in model container [2022-01-17 23:14:25,873 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.01 11:14:25" (1/1) ... [2022-01-17 23:14:25,883 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-17 23:14:25,930 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-17 23:14:26,088 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe006_pso.oepc_pso.opt_tso.oepc_tso.opt-thin000_pso.oepc_pso.opt_tso.oepc_tso.opt.i[1017,1030] [2022-01-17 23:14:26,223 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-17 23:14:26,229 INFO L203 MainTranslator]: Completed pre-run [2022-01-17 23:14:26,239 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe006_pso.oepc_pso.opt_tso.oepc_tso.opt-thin000_pso.oepc_pso.opt_tso.oepc_tso.opt.i[1017,1030] [2022-01-17 23:14:26,268 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-17 23:14:26,293 INFO L208 MainTranslator]: Completed translation [2022-01-17 23:14:26,293 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.01 11:14:26 WrapperNode [2022-01-17 23:14:26,293 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-17 23:14:26,294 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-17 23:14:26,294 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-17 23:14:26,294 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-17 23:14:26,298 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.01 11:14:26" (1/1) ... [2022-01-17 23:14:26,320 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.01 11:14:26" (1/1) ... [2022-01-17 23:14:26,335 INFO L137 Inliner]: procedures = 175, calls = 40, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 59 [2022-01-17 23:14:26,336 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-17 23:14:26,337 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-17 23:14:26,337 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-17 23:14:26,337 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-17 23:14:26,341 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.01 11:14:26" (1/1) ... [2022-01-17 23:14:26,341 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.01 11:14:26" (1/1) ... [2022-01-17 23:14:26,344 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.01 11:14:26" (1/1) ... [2022-01-17 23:14:26,345 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.01 11:14:26" (1/1) ... [2022-01-17 23:14:26,357 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.01 11:14:26" (1/1) ... [2022-01-17 23:14:26,359 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.01 11:14:26" (1/1) ... [2022-01-17 23:14:26,360 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.01 11:14:26" (1/1) ... [2022-01-17 23:14:26,361 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-17 23:14:26,362 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-17 23:14:26,362 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-17 23:14:26,362 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-17 23:14:26,366 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.01 11:14:26" (1/1) ... [2022-01-17 23:14:26,371 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-17 23:14:26,379 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-17 23:14:26,388 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) [2022-01-17 23:14:26,415 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 [2022-01-17 23:14:26,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-17 23:14:26,469 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-01-17 23:14:26,470 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-17 23:14:26,470 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-17 23:14:26,470 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-17 23:14:26,470 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-01-17 23:14:26,470 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-01-17 23:14:26,470 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-01-17 23:14:26,470 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-01-17 23:14:26,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-17 23:14:26,470 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-01-17 23:14:26,470 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-17 23:14:26,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-17 23:14:26,471 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-01-17 23:14:26,544 INFO L234 CfgBuilder]: Building ICFG [2022-01-17 23:14:26,544 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-17 23:14:26,645 INFO L275 CfgBuilder]: Performing block encoding [2022-01-17 23:14:26,649 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-17 23:14:26,649 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-01-17 23:14:26,650 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.01 11:14:26 BoogieIcfgContainer [2022-01-17 23:14:26,650 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-17 23:14:26,651 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-17 23:14:26,652 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-17 23:14:26,654 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-17 23:14:26,654 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.01 11:14:25" (1/3) ... [2022-01-17 23:14:26,654 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3accf399 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.01 11:14:26, skipping insertion in model container [2022-01-17 23:14:26,654 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.01 11:14:26" (2/3) ... [2022-01-17 23:14:26,654 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3accf399 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.01 11:14:26, skipping insertion in model container [2022-01-17 23:14:26,654 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.01 11:14:26" (3/3) ... [2022-01-17 23:14:26,655 INFO L111 eAbstractionObserver]: Analyzing ICFG safe006_pso.oepc_pso.opt_tso.oepc_tso.opt-thin000_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2022-01-17 23:14:26,658 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-01-17 23:14:26,658 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-17 23:14:26,658 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-17 23:14:26,658 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-01-17 23:14:26,693 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:14:26,693 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:14:26,693 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:14:26,694 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:14:26,694 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:14:26,694 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:14:26,694 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:14:26,694 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:14:26,695 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:14:26,695 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:14:26,695 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:14:26,695 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:14:26,696 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:14:26,696 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:14:26,696 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:14:26,696 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:14:26,696 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:14:26,696 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:14:26,696 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:14:26,696 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:14:26,697 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:14:26,697 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:14:26,697 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:14:26,698 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:14:26,699 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:14:26,700 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:14:26,700 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:14:26,700 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:14:26,702 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:14:26,702 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:14:26,702 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:14:26,702 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:14:26,703 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-01-17 23:14:26,745 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-17 23:14:26,750 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 [2022-01-17 23:14:26,750 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-01-17 23:14:26,762 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 80 places, 75 transitions, 160 flow [2022-01-17 23:14:26,826 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 955 states, 954 states have (on average 2.629979035639413) internal successors, (2509), 954 states have internal predecessors, (2509), 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) [2022-01-17 23:14:26,828 INFO L276 IsEmpty]: Start isEmpty. Operand has 955 states, 954 states have (on average 2.629979035639413) internal successors, (2509), 954 states have internal predecessors, (2509), 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) [2022-01-17 23:14:26,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-01-17 23:14:26,845 INFO L506 BasicCegarLoop]: Found error trace [2022-01-17 23:14:26,846 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] [2022-01-17 23:14:26,846 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-17 23:14:26,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-17 23:14:26,850 INFO L85 PathProgramCache]: Analyzing trace with hash 899280188, now seen corresponding path program 1 times [2022-01-17 23:14:26,855 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-17 23:14:26,855 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [327938431] [2022-01-17 23:14:26,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-17 23:14:26,856 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-17 23:14:27,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-17 23:14:27,198 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-17 23:14:27,198 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-17 23:14:27,199 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [327938431] [2022-01-17 23:14:27,199 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [327938431] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-17 23:14:27,199 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-17 23:14:27,199 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-01-17 23:14:27,200 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1903224812] [2022-01-17 23:14:27,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-17 23:14:27,203 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-01-17 23:14:27,203 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-17 23:14:27,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-01-17 23:14:27,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-01-17 23:14:27,221 INFO L87 Difference]: Start difference. First operand has 955 states, 954 states have (on average 2.629979035639413) internal successors, (2509), 954 states have internal predecessors, (2509), 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 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 7 states have internal predecessors, (47), 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) [2022-01-17 23:14:27,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-17 23:14:27,342 INFO L93 Difference]: Finished difference Result 1102 states and 2810 transitions. [2022-01-17 23:14:27,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-17 23:14:27,345 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 7 states have internal predecessors, (47), 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 47 [2022-01-17 23:14:27,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-17 23:14:27,356 INFO L225 Difference]: With dead ends: 1102 [2022-01-17 23:14:27,356 INFO L226 Difference]: Without dead ends: 808 [2022-01-17 23:14:27,357 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-01-17 23:14:27,359 INFO L933 BasicCegarLoop]: 91 mSDtfsCounter, 105 mSDsluCounter, 349 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 432 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-17 23:14:27,360 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [105 Valid, 432 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-17 23:14:27,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 808 states. [2022-01-17 23:14:27,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 808 to 808. [2022-01-17 23:14:27,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 808 states, 807 states have (on average 2.536555142503098) internal successors, (2047), 807 states have internal predecessors, (2047), 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) [2022-01-17 23:14:27,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 808 states to 808 states and 2047 transitions. [2022-01-17 23:14:27,412 INFO L78 Accepts]: Start accepts. Automaton has 808 states and 2047 transitions. Word has length 47 [2022-01-17 23:14:27,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-17 23:14:27,412 INFO L470 AbstractCegarLoop]: Abstraction has 808 states and 2047 transitions. [2022-01-17 23:14:27,413 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 7 states have internal predecessors, (47), 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) [2022-01-17 23:14:27,413 INFO L276 IsEmpty]: Start isEmpty. Operand 808 states and 2047 transitions. [2022-01-17 23:14:27,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-01-17 23:14:27,414 INFO L506 BasicCegarLoop]: Found error trace [2022-01-17 23:14:27,414 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] [2022-01-17 23:14:27,415 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-17 23:14:27,415 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-17 23:14:27,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-17 23:14:27,415 INFO L85 PathProgramCache]: Analyzing trace with hash -547520605, now seen corresponding path program 1 times [2022-01-17 23:14:27,415 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-17 23:14:27,416 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1076519421] [2022-01-17 23:14:27,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-17 23:14:27,416 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-17 23:14:27,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-17 23:14:27,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-17 23:14:27,506 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-17 23:14:27,506 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1076519421] [2022-01-17 23:14:27,506 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1076519421] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-17 23:14:27,506 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-17 23:14:27,506 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-01-17 23:14:27,506 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1372748720] [2022-01-17 23:14:27,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-17 23:14:27,507 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-01-17 23:14:27,507 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-17 23:14:27,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-01-17 23:14:27,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-01-17 23:14:27,508 INFO L87 Difference]: Start difference. First operand 808 states and 2047 transitions. Second operand has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 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) [2022-01-17 23:14:27,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-17 23:14:27,698 INFO L93 Difference]: Finished difference Result 1288 states and 3241 transitions. [2022-01-17 23:14:27,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-01-17 23:14:27,699 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 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 [2022-01-17 23:14:27,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-17 23:14:27,702 INFO L225 Difference]: With dead ends: 1288 [2022-01-17 23:14:27,702 INFO L226 Difference]: Without dead ends: 738 [2022-01-17 23:14:27,702 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=106, Invalid=236, Unknown=0, NotChecked=0, Total=342 [2022-01-17 23:14:27,703 INFO L933 BasicCegarLoop]: 87 mSDtfsCounter, 179 mSDsluCounter, 341 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 179 SdHoareTripleChecker+Valid, 422 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-17 23:14:27,703 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [179 Valid, 422 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-17 23:14:27,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 738 states. [2022-01-17 23:14:27,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 738 to 738. [2022-01-17 23:14:27,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 738 states, 737 states have (on average 2.4979647218453187) internal successors, (1841), 737 states have internal predecessors, (1841), 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) [2022-01-17 23:14:27,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 738 states to 738 states and 1841 transitions. [2022-01-17 23:14:27,733 INFO L78 Accepts]: Start accepts. Automaton has 738 states and 1841 transitions. Word has length 49 [2022-01-17 23:14:27,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-17 23:14:27,734 INFO L470 AbstractCegarLoop]: Abstraction has 738 states and 1841 transitions. [2022-01-17 23:14:27,734 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 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) [2022-01-17 23:14:27,735 INFO L276 IsEmpty]: Start isEmpty. Operand 738 states and 1841 transitions. [2022-01-17 23:14:27,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-01-17 23:14:27,738 INFO L506 BasicCegarLoop]: Found error trace [2022-01-17 23:14:27,738 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, 1, 1] [2022-01-17 23:14:27,738 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-17 23:14:27,739 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-17 23:14:27,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-17 23:14:27,739 INFO L85 PathProgramCache]: Analyzing trace with hash -136761192, now seen corresponding path program 1 times [2022-01-17 23:14:27,739 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-17 23:14:27,740 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1265024083] [2022-01-17 23:14:27,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-17 23:14:27,740 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-17 23:14:27,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-17 23:14:27,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-17 23:14:27,851 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-17 23:14:27,851 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1265024083] [2022-01-17 23:14:27,851 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1265024083] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-17 23:14:27,851 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-17 23:14:27,851 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-01-17 23:14:27,852 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [139276704] [2022-01-17 23:14:27,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-17 23:14:27,852 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-01-17 23:14:27,852 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-17 23:14:27,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-01-17 23:14:27,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-01-17 23:14:27,853 INFO L87 Difference]: Start difference. First operand 738 states and 1841 transitions. Second operand has 8 states, 8 states have (on average 6.375) internal successors, (51), 8 states have internal predecessors, (51), 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) [2022-01-17 23:14:27,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-17 23:14:27,939 INFO L93 Difference]: Finished difference Result 1028 states and 2558 transitions. [2022-01-17 23:14:27,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-17 23:14:27,939 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 8 states have internal predecessors, (51), 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 51 [2022-01-17 23:14:27,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-17 23:14:27,941 INFO L225 Difference]: With dead ends: 1028 [2022-01-17 23:14:27,941 INFO L226 Difference]: Without dead ends: 518 [2022-01-17 23:14:27,942 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=73, Invalid=137, Unknown=0, NotChecked=0, Total=210 [2022-01-17 23:14:27,942 INFO L933 BasicCegarLoop]: 77 mSDtfsCounter, 123 mSDsluCounter, 314 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 385 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-17 23:14:27,943 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [123 Valid, 385 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-17 23:14:27,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 518 states. [2022-01-17 23:14:27,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 518 to 518. [2022-01-17 23:14:27,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 518 states, 517 states have (on average 2.413926499032882) internal successors, (1248), 517 states have internal predecessors, (1248), 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) [2022-01-17 23:14:27,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 518 states and 1248 transitions. [2022-01-17 23:14:27,951 INFO L78 Accepts]: Start accepts. Automaton has 518 states and 1248 transitions. Word has length 51 [2022-01-17 23:14:27,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-17 23:14:27,951 INFO L470 AbstractCegarLoop]: Abstraction has 518 states and 1248 transitions. [2022-01-17 23:14:27,951 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 8 states have internal predecessors, (51), 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) [2022-01-17 23:14:27,951 INFO L276 IsEmpty]: Start isEmpty. Operand 518 states and 1248 transitions. [2022-01-17 23:14:27,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-01-17 23:14:27,952 INFO L506 BasicCegarLoop]: Found error trace [2022-01-17 23:14:27,952 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, 1, 1, 1] [2022-01-17 23:14:27,953 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-01-17 23:14:27,953 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-17 23:14:27,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-17 23:14:27,953 INFO L85 PathProgramCache]: Analyzing trace with hash -1616887010, now seen corresponding path program 1 times [2022-01-17 23:14:27,953 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-17 23:14:27,953 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [58429739] [2022-01-17 23:14:27,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-17 23:14:27,954 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-17 23:14:27,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-17 23:14:28,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-17 23:14:28,034 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-17 23:14:28,034 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [58429739] [2022-01-17 23:14:28,034 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [58429739] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-17 23:14:28,034 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-17 23:14:28,034 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-01-17 23:14:28,034 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1262557504] [2022-01-17 23:14:28,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-17 23:14:28,035 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-01-17 23:14:28,035 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-17 23:14:28,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-01-17 23:14:28,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-01-17 23:14:28,035 INFO L87 Difference]: Start difference. First operand 518 states and 1248 transitions. Second operand has 8 states, 8 states have (on average 6.5) internal successors, (52), 8 states have internal predecessors, (52), 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) [2022-01-17 23:14:28,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-17 23:14:28,118 INFO L93 Difference]: Finished difference Result 478 states and 1146 transitions. [2022-01-17 23:14:28,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-17 23:14:28,119 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.5) internal successors, (52), 8 states have internal predecessors, (52), 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 52 [2022-01-17 23:14:28,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-17 23:14:28,119 INFO L225 Difference]: With dead ends: 478 [2022-01-17 23:14:28,119 INFO L226 Difference]: Without dead ends: 0 [2022-01-17 23:14:28,119 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=73, Invalid=137, Unknown=0, NotChecked=0, Total=210 [2022-01-17 23:14:28,120 INFO L933 BasicCegarLoop]: 72 mSDtfsCounter, 119 mSDsluCounter, 242 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 308 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-17 23:14:28,121 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [119 Valid, 308 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-17 23:14:28,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-01-17 23:14:28,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-01-17 23:14:28,121 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) [2022-01-17 23:14:28,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-01-17 23:14:28,122 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 52 [2022-01-17 23:14:28,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-17 23:14:28,122 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-01-17 23:14:28,122 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.5) internal successors, (52), 8 states have internal predecessors, (52), 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) [2022-01-17 23:14:28,122 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-01-17 23:14:28,122 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-01-17 23:14:28,124 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2022-01-17 23:14:28,124 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 3 remaining) [2022-01-17 23:14:28,124 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION (0 of 3 remaining) [2022-01-17 23:14:28,124 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-01-17 23:14:28,126 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-01-17 23:14:28,127 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-01-17 23:14:28,127 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-17 23:14:28,129 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.01 11:14:28 BasicIcfg [2022-01-17 23:14:28,129 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-17 23:14:28,129 INFO L158 Benchmark]: Toolchain (without parser) took 2263.09ms. Allocated memory was 360.7MB in the beginning and 459.3MB in the end (delta: 98.6MB). Free memory was 306.9MB in the beginning and 373.7MB in the end (delta: -66.8MB). Peak memory consumption was 33.5MB. Max. memory is 16.0GB. [2022-01-17 23:14:28,130 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 360.7MB. Free memory was 325.3MB in the beginning and 325.3MB in the end (delta: 60.9kB). There was no memory consumed. Max. memory is 16.0GB. [2022-01-17 23:14:28,130 INFO L158 Benchmark]: CACSL2BoogieTranslator took 425.73ms. Allocated memory was 360.7MB in the beginning and 459.3MB in the end (delta: 98.6MB). Free memory was 306.7MB in the beginning and 423.1MB in the end (delta: -116.4MB). Peak memory consumption was 8.9MB. Max. memory is 16.0GB. [2022-01-17 23:14:28,130 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.54ms. Allocated memory is still 459.3MB. Free memory was 423.1MB in the beginning and 421.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2022-01-17 23:14:28,131 INFO L158 Benchmark]: Boogie Preprocessor took 24.77ms. Allocated memory is still 459.3MB. Free memory was 421.5MB in the beginning and 420.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.0GB. [2022-01-17 23:14:28,131 INFO L158 Benchmark]: RCFGBuilder took 288.71ms. Allocated memory is still 459.3MB. Free memory was 420.0MB in the beginning and 407.9MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.0GB. [2022-01-17 23:14:28,131 INFO L158 Benchmark]: TraceAbstraction took 1477.56ms. Allocated memory is still 459.3MB. Free memory was 407.4MB in the beginning and 373.7MB in the end (delta: 33.7MB). Peak memory consumption was 35.8MB. Max. memory is 16.0GB. [2022-01-17 23:14:28,132 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 360.7MB. Free memory was 325.3MB in the beginning and 325.3MB in the end (delta: 60.9kB). There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 425.73ms. Allocated memory was 360.7MB in the beginning and 459.3MB in the end (delta: 98.6MB). Free memory was 306.7MB in the beginning and 423.1MB in the end (delta: -116.4MB). Peak memory consumption was 8.9MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 41.54ms. Allocated memory is still 459.3MB. Free memory was 423.1MB in the beginning and 421.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 24.77ms. Allocated memory is still 459.3MB. Free memory was 421.5MB in the beginning and 420.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.0GB. * RCFGBuilder took 288.71ms. Allocated memory is still 459.3MB. Free memory was 420.0MB in the beginning and 407.9MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.0GB. * TraceAbstraction took 1477.56ms. Allocated memory is still 459.3MB. Free memory was 407.4MB in the beginning and 373.7MB in the end (delta: 33.7MB). Peak memory consumption was 35.8MB. 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: 18]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 90 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 526 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 526 mSDsluCounter, 1547 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1246 mSDsCounter, 11 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 150 IncrementalHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 11 mSolverCounterUnsat, 327 mSDtfsCounter, 150 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 61 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 95 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=955occurred in iteration=0, InterpolantAutomatonStates: 47, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 199 NumberOfCodeBlocks, 199 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 195 ConstructedInterpolants, 0 QuantifiedInterpolants, 867 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-01-17 23:14:28,166 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...