/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/list-ext-properties/test-0158_1-2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-dcfa08f [2020-12-23 17:08:49,796 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-23 17:08:49,800 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-23 17:08:49,856 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-23 17:08:49,857 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-23 17:08:49,862 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-23 17:08:49,867 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-23 17:08:49,873 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-23 17:08:49,877 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-23 17:08:49,885 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-23 17:08:49,890 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-23 17:08:49,892 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-23 17:08:49,892 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-23 17:08:49,896 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-23 17:08:49,898 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-23 17:08:49,901 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-23 17:08:49,902 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-23 17:08:49,907 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-23 17:08:49,915 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-23 17:08:49,923 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-23 17:08:49,927 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-23 17:08:49,929 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-23 17:08:49,931 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-23 17:08:49,932 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-23 17:08:49,952 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-12-23 17:08:49,956 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-23 17:08:49,957 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-23 17:08:49,957 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-23 17:08:49,958 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-23 17:08:49,960 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-23 17:08:49,960 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-23 17:08:49,961 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-23 17:08:49,961 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-23 17:08:49,961 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-23 17:08:49,962 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-23 17:08:49,963 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-23 17:08:49,964 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2020-12-23 17:08:49,991 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-23 17:08:49,991 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-23 17:08:49,993 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-23 17:08:49,993 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-23 17:08:49,993 INFO L138 SettingsManager]: * Use SBE=true [2020-12-23 17:08:49,993 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-23 17:08:49,994 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-23 17:08:49,994 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-23 17:08:49,994 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-23 17:08:49,994 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-12-23 17:08:49,995 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-12-23 17:08:49,995 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-12-23 17:08:49,995 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-23 17:08:49,995 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-23 17:08:49,995 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-23 17:08:49,996 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-23 17:08:49,996 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-23 17:08:49,996 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-23 17:08:49,996 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 17:08:49,996 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-23 17:08:49,997 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-23 17:08:49,997 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-23 17:08:49,997 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-23 17:08:49,997 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-23 17:08:49,997 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-bitabs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-23 17:08:50,386 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-23 17:08:50,429 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-23 17:08:50,432 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-23 17:08:50,434 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-23 17:08:50,435 INFO L275 PluginConnector]: CDTParser initialized [2020-12-23 17:08:50,436 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-ext-properties/test-0158_1-2.i [2020-12-23 17:08:50,540 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/4af642ad6/92eb859d74324156847593677b89d523/FLAG4e4004008 [2020-12-23 17:08:51,454 INFO L306 CDTParser]: Found 1 translation units. [2020-12-23 17:08:51,456 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/list-ext-properties/test-0158_1-2.i [2020-12-23 17:08:51,488 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/4af642ad6/92eb859d74324156847593677b89d523/FLAG4e4004008 [2020-12-23 17:08:51,696 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/4af642ad6/92eb859d74324156847593677b89d523 [2020-12-23 17:08:51,700 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-23 17:08:51,702 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-23 17:08:51,704 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-23 17:08:51,704 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-23 17:08:51,708 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-23 17:08:51,709 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 05:08:51" (1/1) ... [2020-12-23 17:08:51,711 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34e59f7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 05:08:51, skipping insertion in model container [2020-12-23 17:08:51,711 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 05:08:51" (1/1) ... [2020-12-23 17:08:51,719 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-23 17:08:51,760 INFO L178 MainTranslator]: Built tables and reachable declarations left hand side expression in assignment: lhs: StructLHS[VariableLHS[~data~0,],p0] left hand side expression in assignment: lhs: StructLHS[StructLHS[VariableLHS[~data~0,],str],p2] left hand side expression in assignment: lhs: StructLHS[StructLHS[VariableLHS[~data~0,],str],p2] left hand side expression in assignment: lhs: ArrayLHS[StructLHS[StructLHS[VariableLHS[~data~0,],str],c],[IntegerLiteral[1]]] [2020-12-23 17:08:52,121 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 17:08:52,133 INFO L203 MainTranslator]: Completed pre-run left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~#data~0,],base],StructAccessExpression[IdentifierExpression[~#data~0,],offset]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~#data~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[6],StructAccessExpression[IdentifierExpression[~#data~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~#data~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[6],StructAccessExpression[IdentifierExpression[~#data~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~#data~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[1],StructAccessExpression[IdentifierExpression[~#data~0,],offset]]]] [2020-12-23 17:08:52,211 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 17:08:52,290 INFO L208 MainTranslator]: Completed translation [2020-12-23 17:08:52,293 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 05:08:52 WrapperNode [2020-12-23 17:08:52,293 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-23 17:08:52,294 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-23 17:08:52,295 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-23 17:08:52,295 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-23 17:08:52,304 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 05:08:52" (1/1) ... [2020-12-23 17:08:52,343 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 05:08:52" (1/1) ... [2020-12-23 17:08:52,380 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-23 17:08:52,382 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-23 17:08:52,382 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-23 17:08:52,382 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-23 17:08:52,393 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 05:08:52" (1/1) ... [2020-12-23 17:08:52,393 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 05:08:52" (1/1) ... [2020-12-23 17:08:52,397 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 05:08:52" (1/1) ... [2020-12-23 17:08:52,397 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 05:08:52" (1/1) ... [2020-12-23 17:08:52,404 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 05:08:52" (1/1) ... [2020-12-23 17:08:52,407 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 05:08:52" (1/1) ... [2020-12-23 17:08:52,409 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 05:08:52" (1/1) ... [2020-12-23 17:08:52,412 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-23 17:08:52,414 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-23 17:08:52,414 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-23 17:08:52,414 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-23 17:08:52,416 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 05:08:52" (1/1) ... No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 17:08:52,532 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-23 17:08:52,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-23 17:08:52,533 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-12-23 17:08:52,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-12-23 17:08:52,533 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-23 17:08:52,534 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-23 17:08:52,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-23 17:08:52,534 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-23 17:08:52,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-23 17:08:53,023 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-23 17:08:53,024 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2020-12-23 17:08:53,025 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 05:08:53 BoogieIcfgContainer [2020-12-23 17:08:53,026 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-23 17:08:53,028 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-23 17:08:53,028 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-23 17:08:53,032 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-23 17:08:53,032 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 05:08:51" (1/3) ... [2020-12-23 17:08:53,033 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c910752 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 05:08:53, skipping insertion in model container [2020-12-23 17:08:53,033 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 05:08:52" (2/3) ... [2020-12-23 17:08:53,034 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c910752 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 05:08:53, skipping insertion in model container [2020-12-23 17:08:53,034 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 05:08:53" (3/3) ... [2020-12-23 17:08:53,036 INFO L111 eAbstractionObserver]: Analyzing ICFG test-0158_1-2.i [2020-12-23 17:08:53,043 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-23 17:08:53,050 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 11 error locations. [2020-12-23 17:08:53,074 INFO L253 AbstractCegarLoop]: Starting to check reachability of 11 error locations. [2020-12-23 17:08:53,101 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-23 17:08:53,102 INFO L378 AbstractCegarLoop]: Hoare is false [2020-12-23 17:08:53,102 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-23 17:08:53,102 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-23 17:08:53,102 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-23 17:08:53,103 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-23 17:08:53,103 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-23 17:08:53,103 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-23 17:08:53,122 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states. [2020-12-23 17:08:53,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-12-23 17:08:53,130 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 17:08:53,131 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-12-23 17:08:53,132 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION]=== [2020-12-23 17:08:53,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 17:08:53,140 INFO L82 PathProgramCache]: Analyzing trace with hash 29857, now seen corresponding path program 1 times [2020-12-23 17:08:53,153 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 17:08:53,153 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2127363361] [2020-12-23 17:08:53,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 17:08:53,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 17:08:53,380 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 17:08:53,381 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2127363361] [2020-12-23 17:08:53,382 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 17:08:53,382 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 17:08:53,383 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [466448619] [2020-12-23 17:08:53,389 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 17:08:53,389 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 17:08:53,406 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 17:08:53,407 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 17:08:53,409 INFO L87 Difference]: Start difference. First operand 25 states. Second operand 3 states. [2020-12-23 17:08:53,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 17:08:53,528 INFO L93 Difference]: Finished difference Result 20 states and 21 transitions. [2020-12-23 17:08:53,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 17:08:53,531 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2020-12-23 17:08:53,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 17:08:53,541 INFO L225 Difference]: With dead ends: 20 [2020-12-23 17:08:53,541 INFO L226 Difference]: Without dead ends: 18 [2020-12-23 17:08:53,543 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 17:08:53,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2020-12-23 17:08:53,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2020-12-23 17:08:53,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2020-12-23 17:08:53,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 19 transitions. [2020-12-23 17:08:53,611 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 19 transitions. Word has length 3 [2020-12-23 17:08:53,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 17:08:53,612 INFO L481 AbstractCegarLoop]: Abstraction has 18 states and 19 transitions. [2020-12-23 17:08:53,612 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 17:08:53,612 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 19 transitions. [2020-12-23 17:08:53,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-12-23 17:08:53,614 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 17:08:53,614 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-12-23 17:08:53,614 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-23 17:08:53,615 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION]=== [2020-12-23 17:08:53,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 17:08:53,617 INFO L82 PathProgramCache]: Analyzing trace with hash 29858, now seen corresponding path program 1 times [2020-12-23 17:08:53,618 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 17:08:53,618 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [151299688] [2020-12-23 17:08:53,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 17:08:53,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 17:08:53,742 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 17:08:53,743 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [151299688] [2020-12-23 17:08:53,743 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 17:08:53,743 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 17:08:53,744 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [636477461] [2020-12-23 17:08:53,745 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 17:08:53,745 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 17:08:53,746 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 17:08:53,747 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 17:08:53,748 INFO L87 Difference]: Start difference. First operand 18 states and 19 transitions. Second operand 3 states. [2020-12-23 17:08:53,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 17:08:53,794 INFO L93 Difference]: Finished difference Result 13 states and 14 transitions. [2020-12-23 17:08:53,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 17:08:53,794 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2020-12-23 17:08:53,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 17:08:53,795 INFO L225 Difference]: With dead ends: 13 [2020-12-23 17:08:53,795 INFO L226 Difference]: Without dead ends: 13 [2020-12-23 17:08:53,796 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 17:08:53,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2020-12-23 17:08:53,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2020-12-23 17:08:53,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-12-23 17:08:53,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2020-12-23 17:08:53,802 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 3 [2020-12-23 17:08:53,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 17:08:53,803 INFO L481 AbstractCegarLoop]: Abstraction has 13 states and 14 transitions. [2020-12-23 17:08:53,803 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 17:08:53,803 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2020-12-23 17:08:53,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-23 17:08:53,804 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 17:08:53,804 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 17:08:53,804 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-23 17:08:53,805 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION]=== [2020-12-23 17:08:53,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 17:08:53,805 INFO L82 PathProgramCache]: Analyzing trace with hash 1114117971, now seen corresponding path program 1 times [2020-12-23 17:08:53,806 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 17:08:53,806 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [572196707] [2020-12-23 17:08:53,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 17:08:53,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 17:08:53,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 17:08:53,922 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [572196707] [2020-12-23 17:08:53,923 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 17:08:53,923 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 17:08:53,923 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1200187095] [2020-12-23 17:08:53,924 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 17:08:53,924 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 17:08:53,925 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 17:08:53,925 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 17:08:53,925 INFO L87 Difference]: Start difference. First operand 13 states and 14 transitions. Second operand 4 states. [2020-12-23 17:08:53,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 17:08:53,978 INFO L93 Difference]: Finished difference Result 17 states and 18 transitions. [2020-12-23 17:08:53,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 17:08:53,979 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2020-12-23 17:08:53,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 17:08:53,981 INFO L225 Difference]: With dead ends: 17 [2020-12-23 17:08:53,982 INFO L226 Difference]: Without dead ends: 17 [2020-12-23 17:08:53,983 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-23 17:08:53,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2020-12-23 17:08:53,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 15. [2020-12-23 17:08:53,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2020-12-23 17:08:53,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 16 transitions. [2020-12-23 17:08:54,001 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 16 transitions. Word has length 10 [2020-12-23 17:08:54,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 17:08:54,002 INFO L481 AbstractCegarLoop]: Abstraction has 15 states and 16 transitions. [2020-12-23 17:08:54,003 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 17:08:54,003 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2020-12-23 17:08:54,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-23 17:08:54,003 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 17:08:54,004 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 17:08:54,004 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-23 17:08:54,004 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION]=== [2020-12-23 17:08:54,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 17:08:54,005 INFO L82 PathProgramCache]: Analyzing trace with hash 1261881331, now seen corresponding path program 1 times [2020-12-23 17:08:54,006 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 17:08:54,008 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1941475268] [2020-12-23 17:08:54,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 17:08:54,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-23 17:08:54,055 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-23 17:08:54,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-23 17:08:54,078 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-23 17:08:54,103 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-23 17:08:54,103 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-23 17:08:54,104 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-23 17:08:54,133 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.12 05:08:54 BoogieIcfgContainer [2020-12-23 17:08:54,134 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-23 17:08:54,134 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-23 17:08:54,134 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-23 17:08:54,135 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-23 17:08:54,135 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 05:08:53" (3/4) ... [2020-12-23 17:08:54,139 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-12-23 17:08:54,139 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-23 17:08:54,141 INFO L168 Benchmark]: Toolchain (without parser) took 2438.67 ms. Allocated memory is still 162.5 MB. Free memory was 136.4 MB in the beginning and 118.4 MB in the end (delta: 18.0 MB). Peak memory consumption was 17.7 MB. Max. memory is 8.0 GB. [2020-12-23 17:08:54,142 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 162.5 MB. Free memory is still 136.1 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-12-23 17:08:54,143 INFO L168 Benchmark]: CACSL2BoogieTranslator took 589.48 ms. Allocated memory is still 162.5 MB. Free memory was 136.4 MB in the beginning and 115.1 MB in the end (delta: 21.3 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. [2020-12-23 17:08:54,144 INFO L168 Benchmark]: Boogie Procedure Inliner took 85.68 ms. Allocated memory is still 162.5 MB. Free memory was 115.1 MB in the beginning and 113.4 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-12-23 17:08:54,145 INFO L168 Benchmark]: Boogie Preprocessor took 31.07 ms. Allocated memory is still 162.5 MB. Free memory was 113.4 MB in the beginning and 112.3 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2020-12-23 17:08:54,146 INFO L168 Benchmark]: RCFGBuilder took 612.01 ms. Allocated memory is still 162.5 MB. Free memory was 112.0 MB in the beginning and 95.2 MB in the end (delta: 16.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 8.0 GB. [2020-12-23 17:08:54,146 INFO L168 Benchmark]: TraceAbstraction took 1106.12 ms. Allocated memory is still 162.5 MB. Free memory was 94.8 MB in the beginning and 118.4 MB in the end (delta: -23.5 MB). There was no memory consumed. Max. memory is 8.0 GB. [2020-12-23 17:08:54,147 INFO L168 Benchmark]: Witness Printer took 4.94 ms. Allocated memory is still 162.5 MB. Free memory is still 118.4 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-12-23 17:08:54,151 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 162.5 MB. Free memory is still 136.1 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 589.48 ms. Allocated memory is still 162.5 MB. Free memory was 136.4 MB in the beginning and 115.1 MB in the end (delta: 21.3 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 85.68 ms. Allocated memory is still 162.5 MB. Free memory was 115.1 MB in the beginning and 113.4 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 31.07 ms. Allocated memory is still 162.5 MB. Free memory was 113.4 MB in the beginning and 112.3 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 612.01 ms. Allocated memory is still 162.5 MB. Free memory was 112.0 MB in the beginning and 95.2 MB in the end (delta: 16.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 8.0 GB. * TraceAbstraction took 1106.12 ms. Allocated memory is still 162.5 MB. Free memory was 94.8 MB in the beginning and 118.4 MB in the end (delta: -23.5 MB). There was no memory consumed. Max. memory is 8.0 GB. * Witness Printer took 4.94 ms. Allocated memory is still 162.5 MB. Free memory is still 118.4 MB. There was no memory consumed. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 524]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 524. Possible FailurePath: [L526-L533] union { void *p0; struct { char c[2]; int p1; int p2; } str; } data; [L534] data.p0 = malloc(37U) [L535] COND FALSE !(__VERIFIER_nondet_int()) [L538] data.str.p2 = 30 [L540] EXPR data.str.p2 [L540] COND FALSE !(25 > data.str.p2) [L543] return 0; [L543] return 0; - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 25 locations, 11 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 1.0s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 29 SDtfs, 26 SDslu, 17 SDs, 0 SdLazy, 41 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=25occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 26 NumberOfCodeBlocks, 26 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 13 ConstructedInterpolants, 0 QuantifiedInterpolants, 203 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 RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...