/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=LOWLEXORDER --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-regression/test19.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 21:37:26,010 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 21:37:26,015 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 21:37:26,065 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 21:37:26,066 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 21:37:26,078 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 21:37:26,079 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 21:37:26,084 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 21:37:26,087 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 21:37:26,091 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 21:37:26,092 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 21:37:26,093 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 21:37:26,093 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 21:37:26,097 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 21:37:26,100 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 21:37:26,102 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 21:37:26,103 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 21:37:26,104 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 21:37:26,107 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 21:37:26,117 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 21:37:26,120 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 21:37:26,121 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 21:37:26,122 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 21:37:26,123 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 21:37:26,126 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 21:37:26,126 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 21:37:26,127 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 21:37:26,130 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 21:37:26,131 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 21:37:26,133 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 21:37:26,133 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 21:37:26,134 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 21:37:26,135 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 21:37:26,136 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 21:37:26,137 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 21:37:26,138 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 21:37:26,139 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 21:37:26,139 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 21:37:26,139 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 21:37:26,140 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 21:37:26,142 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 21:37:26,143 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-24 21:37:26,193 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 21:37:26,194 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 21:37:26,196 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 21:37:26,197 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 21:37:26,197 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 21:37:26,197 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 21:37:26,198 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 21:37:26,198 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 21:37:26,198 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 21:37:26,198 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 21:37:26,199 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 21:37:26,200 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 21:37:26,200 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 21:37:26,200 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 21:37:26,201 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 21:37:26,201 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 21:37:26,201 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 21:37:26,201 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 21:37:26,202 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 21:37:26,202 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 21:37:26,202 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 21:37:26,202 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 21:37:26,203 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 21:37:26,203 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 21:37:26,203 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 21:37:26,203 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 21:37:26,204 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 21:37:26,204 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 21:37:26,204 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 21:37:26,204 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=LOWLEXORDER;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=LOWLEXORDER;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=LOWLEXORDER;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=LOWLEXORDER;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=LOWLEXORDER;log-additional-information=true; [2020-09-24 21:37:26,662 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 21:37:26,687 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 21:37:26,692 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 21:37:26,695 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 21:37:26,696 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 21:37:26,697 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test19.c [2020-09-24 21:37:26,788 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/32e7ca4de/52e488cb41734fbeb43ce4161db97ef8/FLAG79bbe2dd7 [2020-09-24 21:37:27,331 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 21:37:27,332 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-regression/test19.c [2020-09-24 21:37:27,339 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/32e7ca4de/52e488cb41734fbeb43ce4161db97ef8/FLAG79bbe2dd7 [2020-09-24 21:37:27,676 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/32e7ca4de/52e488cb41734fbeb43ce4161db97ef8 [2020-09-24 21:37:27,693 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 21:37:27,700 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 21:37:27,701 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 21:37:27,701 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 21:37:27,706 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 21:37:27,707 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 09:37:27" (1/1) ... [2020-09-24 21:37:27,714 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62502cb4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:37:27, skipping insertion in model container [2020-09-24 21:37:27,714 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 09:37:27" (1/1) ... [2020-09-24 21:37:27,725 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 21:37:27,751 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 21:37:27,988 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 21:37:28,002 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 21:37:28,025 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 21:37:28,045 INFO L208 MainTranslator]: Completed translation [2020-09-24 21:37:28,045 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:37:28 WrapperNode [2020-09-24 21:37:28,046 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 21:37:28,047 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 21:37:28,047 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 21:37:28,047 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 21:37:28,137 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:37:28" (1/1) ... [2020-09-24 21:37:28,137 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:37:28" (1/1) ... [2020-09-24 21:37:28,147 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:37:28" (1/1) ... [2020-09-24 21:37:28,148 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:37:28" (1/1) ... [2020-09-24 21:37:28,155 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:37:28" (1/1) ... [2020-09-24 21:37:28,157 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:37:28" (1/1) ... [2020-09-24 21:37:28,159 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:37:28" (1/1) ... [2020-09-24 21:37:28,162 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 21:37:28,163 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 21:37:28,163 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 21:37:28,163 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 21:37:28,164 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:37:28" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 21:37:28,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 21:37:28,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 21:37:28,234 INFO L138 BoogieDeclarations]: Found implementation of procedure assign [2020-09-24 21:37:28,234 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 21:37:28,234 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 21:37:28,235 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 21:37:28,235 INFO L130 BoogieDeclarations]: Found specification of procedure assign [2020-09-24 21:37:28,235 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-24 21:37:28,235 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 21:37:28,235 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 21:37:28,236 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 21:37:28,236 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 21:37:28,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-24 21:37:28,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-09-24 21:37:28,236 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 21:37:28,237 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 21:37:28,237 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 21:37:28,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-24 21:37:28,667 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 21:37:28,668 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-09-24 21:37:28,673 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 09:37:28 BoogieIcfgContainer [2020-09-24 21:37:28,673 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 21:37:28,674 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 21:37:28,675 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 21:37:28,679 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 21:37:28,679 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 09:37:27" (1/3) ... [2020-09-24 21:37:28,680 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1843243a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 09:37:28, skipping insertion in model container [2020-09-24 21:37:28,680 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:37:28" (2/3) ... [2020-09-24 21:37:28,681 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1843243a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 09:37:28, skipping insertion in model container [2020-09-24 21:37:28,681 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 09:37:28" (3/3) ... [2020-09-24 21:37:28,683 INFO L109 eAbstractionObserver]: Analyzing ICFG test19.c [2020-09-24 21:37:28,695 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 21:37:28,705 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 21:37:28,727 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 21:37:28,757 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 21:37:28,757 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 21:37:28,757 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 21:37:28,757 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 21:37:28,757 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 21:37:28,757 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 21:37:28,758 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 21:37:28,758 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 21:37:28,779 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states. [2020-09-24 21:37:28,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-09-24 21:37:28,787 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 21:37:28,788 INFO L422 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] [2020-09-24 21:37:28,789 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 21:37:28,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 21:37:28,795 INFO L82 PathProgramCache]: Analyzing trace with hash -185639243, now seen corresponding path program 1 times [2020-09-24 21:37:28,804 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 21:37:28,805 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [798473447] [2020-09-24 21:37:28,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 21:37:28,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:37:29,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:37:30,007 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:37:30,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 48 [2020-09-24 21:37:30,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:37:30,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1018 [2020-09-24 21:37:30,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:37:30,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-24 21:37:30,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-09-24 21:37:30,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-24 21:37:30,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-24 21:37:30,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 21:37:30,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:37:30,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:37:30,254 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:37:30,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 21:37:30,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:37:30,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 21:37:30,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:37:30,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:37:30,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:37:30,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:37:30,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:37:30,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-24 21:37:30,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:37:30,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:37:30,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:37:30,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 21:37:30,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:37:30,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 78 [2020-09-24 21:37:30,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:37:30,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-24 21:37:30,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 21:37:30,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-24 21:37:30,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:37:31,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 21:37:31,041 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [798473447] [2020-09-24 21:37:31,043 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 21:37:31,044 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2020-09-24 21:37:31,046 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1641705133] [2020-09-24 21:37:31,055 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-09-24 21:37:31,056 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 21:37:31,076 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-09-24 21:37:31,080 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=239, Unknown=0, NotChecked=0, Total=272 [2020-09-24 21:37:31,084 INFO L87 Difference]: Start difference. First operand 64 states. Second operand 17 states. [2020-09-24 21:37:32,256 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 52 [2020-09-24 21:37:32,410 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 48 [2020-09-24 21:37:32,554 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 56 [2020-09-24 21:37:32,767 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 62 [2020-09-24 21:37:32,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 21:37:32,983 INFO L93 Difference]: Finished difference Result 68 states and 67 transitions. [2020-09-24 21:37:32,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-09-24 21:37:32,985 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 39 [2020-09-24 21:37:32,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 21:37:32,995 INFO L225 Difference]: With dead ends: 68 [2020-09-24 21:37:32,996 INFO L226 Difference]: Without dead ends: 0 [2020-09-24 21:37:33,002 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 127 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=169, Invalid=887, Unknown=0, NotChecked=0, Total=1056 [2020-09-24 21:37:33,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-24 21:37:33,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-24 21:37:33,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-24 21:37:33,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-24 21:37:33,038 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 39 [2020-09-24 21:37:33,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 21:37:33,038 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-24 21:37:33,039 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-09-24 21:37:33,039 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-24 21:37:33,039 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-24 21:37:33,040 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 21:37:33,043 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-24 21:37:33,146 INFO L268 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-09-24 21:37:33,147 INFO L268 CegarLoopResult]: For program point L-1-1(line -1) no Hoare annotation was computed. [2020-09-24 21:37:33,147 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-24 21:37:33,147 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(#NULL.base)| |#NULL.base|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#valid)| |#valid|)) [2020-09-24 21:37:33,147 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-24 21:37:33,148 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-24 21:37:33,148 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-09-24 21:37:33,148 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-24 21:37:33,148 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-24 21:37:33,148 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 11 24) no Hoare annotation was computed. [2020-09-24 21:37:33,148 INFO L268 CegarLoopResult]: For program point L23(line 23) no Hoare annotation was computed. [2020-09-24 21:37:33,149 INFO L264 CegarLoopResult]: At program point L17(lines 11 24) the Hoare annotation is: false [2020-09-24 21:37:33,149 INFO L268 CegarLoopResult]: For program point L15(line 15) no Hoare annotation was computed. [2020-09-24 21:37:33,149 INFO L268 CegarLoopResult]: For program point L13(line 13) no Hoare annotation was computed. [2020-09-24 21:37:33,149 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 11 24) no Hoare annotation was computed. [2020-09-24 21:37:33,149 INFO L268 CegarLoopResult]: For program point L13-1(line 13) no Hoare annotation was computed. [2020-09-24 21:37:33,150 INFO L268 CegarLoopResult]: For program point L13-2(line 13) no Hoare annotation was computed. [2020-09-24 21:37:33,150 INFO L268 CegarLoopResult]: For program point L13-3(line 13) no Hoare annotation was computed. [2020-09-24 21:37:33,150 INFO L268 CegarLoopResult]: For program point L13-4(line 13) no Hoare annotation was computed. [2020-09-24 21:37:33,150 INFO L268 CegarLoopResult]: For program point L13-5(line 13) no Hoare annotation was computed. [2020-09-24 21:37:33,150 INFO L268 CegarLoopResult]: For program point L13-6(line 13) no Hoare annotation was computed. [2020-09-24 21:37:33,150 INFO L268 CegarLoopResult]: For program point L13-7(line 13) no Hoare annotation was computed. [2020-09-24 21:37:33,151 INFO L268 CegarLoopResult]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 22) no Hoare annotation was computed. [2020-09-24 21:37:33,151 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 11 24) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2020-09-24 21:37:33,151 INFO L268 CegarLoopResult]: For program point L20(line 20) no Hoare annotation was computed. [2020-09-24 21:37:33,151 INFO L268 CegarLoopResult]: For program point L16(line 16) no Hoare annotation was computed. [2020-09-24 21:37:33,152 INFO L268 CegarLoopResult]: For program point L16-1(lines 16 18) no Hoare annotation was computed. [2020-09-24 21:37:33,152 INFO L268 CegarLoopResult]: For program point L14(line 14) no Hoare annotation was computed. [2020-09-24 21:37:33,152 INFO L268 CegarLoopResult]: For program point L16-2(line 16) no Hoare annotation was computed. [2020-09-24 21:37:33,152 INFO L268 CegarLoopResult]: For program point L14-1(line 14) no Hoare annotation was computed. [2020-09-24 21:37:33,152 INFO L268 CegarLoopResult]: For program point L16-3(line 16) no Hoare annotation was computed. [2020-09-24 21:37:33,152 INFO L268 CegarLoopResult]: For program point L12(line 12) no Hoare annotation was computed. [2020-09-24 21:37:33,153 INFO L268 CegarLoopResult]: For program point L14-2(line 14) no Hoare annotation was computed. [2020-09-24 21:37:33,153 INFO L268 CegarLoopResult]: For program point L16-4(line 16) no Hoare annotation was computed. [2020-09-24 21:37:33,153 INFO L268 CegarLoopResult]: For program point L12-1(line 12) no Hoare annotation was computed. [2020-09-24 21:37:33,153 INFO L268 CegarLoopResult]: For program point L14-3(line 14) no Hoare annotation was computed. [2020-09-24 21:37:33,153 INFO L268 CegarLoopResult]: For program point L16-5(line 16) no Hoare annotation was computed. [2020-09-24 21:37:33,153 INFO L268 CegarLoopResult]: For program point L12-2(line 12) no Hoare annotation was computed. [2020-09-24 21:37:33,154 INFO L264 CegarLoopResult]: At program point L14-4(line 14) the Hoare annotation is: (and (= (select (select |#memory_$Pointer$.offset| |main_~#pb~1.base|) |main_~#pb~1.offset|) |main_~#b~0.offset|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= (select (select |#memory_$Pointer$.base| |main_~#pa~1.base|) |main_~#pa~1.offset|) |main_~#a~0.base|) (= (select (select |#memory_$Pointer$.base| |main_~#pb~1.base|) |main_~#pb~1.offset|) |main_~#b~0.base|) (= |#memory_int| |old(#memory_int)|) (= (select (select |#memory_$Pointer$.offset| |main_~#pa~1.base|) |main_~#pa~1.offset|) |main_~#a~0.offset|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) [2020-09-24 21:37:33,154 INFO L268 CegarLoopResult]: For program point L12-3(line 12) no Hoare annotation was computed. [2020-09-24 21:37:33,154 INFO L268 CegarLoopResult]: For program point L14-5(line 14) no Hoare annotation was computed. [2020-09-24 21:37:33,154 INFO L268 CegarLoopResult]: For program point L12-4(line 12) no Hoare annotation was computed. [2020-09-24 21:37:33,154 INFO L268 CegarLoopResult]: For program point L14-6(line 14) no Hoare annotation was computed. [2020-09-24 21:37:33,154 INFO L268 CegarLoopResult]: For program point L14-7(line 14) no Hoare annotation was computed. [2020-09-24 21:37:33,155 INFO L268 CegarLoopResult]: For program point L12-5(line 12) no Hoare annotation was computed. [2020-09-24 21:37:33,155 INFO L268 CegarLoopResult]: For program point L14-8(line 14) no Hoare annotation was computed. [2020-09-24 21:37:33,155 INFO L268 CegarLoopResult]: For program point L12-6(line 12) no Hoare annotation was computed. [2020-09-24 21:37:33,155 INFO L268 CegarLoopResult]: For program point L14-9(line 14) no Hoare annotation was computed. [2020-09-24 21:37:33,155 INFO L268 CegarLoopResult]: For program point L14-10(line 14) no Hoare annotation was computed. [2020-09-24 21:37:33,155 INFO L268 CegarLoopResult]: For program point L14-11(line 14) no Hoare annotation was computed. [2020-09-24 21:37:33,156 INFO L268 CegarLoopResult]: For program point L14-12(line 14) no Hoare annotation was computed. [2020-09-24 21:37:33,156 INFO L268 CegarLoopResult]: For program point assignEXIT(lines 5 9) no Hoare annotation was computed. [2020-09-24 21:37:33,156 INFO L264 CegarLoopResult]: At program point assignENTRY(lines 5 9) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) [2020-09-24 21:37:33,156 INFO L268 CegarLoopResult]: For program point assignFINAL(lines 5 9) no Hoare annotation was computed. [2020-09-24 21:37:33,156 INFO L268 CegarLoopResult]: For program point L8(line 8) no Hoare annotation was computed. [2020-09-24 21:37:33,157 INFO L268 CegarLoopResult]: For program point L7(line 7) no Hoare annotation was computed. [2020-09-24 21:37:33,157 INFO L268 CegarLoopResult]: For program point L8-1(line 8) no Hoare annotation was computed. [2020-09-24 21:37:33,157 INFO L268 CegarLoopResult]: For program point L6(line 6) no Hoare annotation was computed. [2020-09-24 21:37:33,157 INFO L268 CegarLoopResult]: For program point L7-1(line 7) no Hoare annotation was computed. [2020-09-24 21:37:33,157 INFO L268 CegarLoopResult]: For program point L8-2(line 8) no Hoare annotation was computed. [2020-09-24 21:37:33,157 INFO L268 CegarLoopResult]: For program point L5(lines 5 9) no Hoare annotation was computed. [2020-09-24 21:37:33,158 INFO L268 CegarLoopResult]: For program point L6-1(line 6) no Hoare annotation was computed. [2020-09-24 21:37:33,158 INFO L268 CegarLoopResult]: For program point L7-2(line 7) no Hoare annotation was computed. [2020-09-24 21:37:33,158 INFO L268 CegarLoopResult]: For program point L6-2(line 6) no Hoare annotation was computed. [2020-09-24 21:37:33,174 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.09 09:37:33 BoogieIcfgContainer [2020-09-24 21:37:33,175 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-24 21:37:33,177 INFO L168 Benchmark]: Toolchain (without parser) took 5481.53 ms. Allocated memory was 140.5 MB in the beginning and 246.9 MB in the end (delta: 106.4 MB). Free memory was 102.7 MB in the beginning and 167.6 MB in the end (delta: -64.9 MB). Peak memory consumption was 41.6 MB. Max. memory is 7.1 GB. [2020-09-24 21:37:33,178 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 140.5 MB. Free memory was 120.8 MB in the beginning and 120.6 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-09-24 21:37:33,179 INFO L168 Benchmark]: CACSL2BoogieTranslator took 345.09 ms. Allocated memory is still 140.5 MB. Free memory was 102.0 MB in the beginning and 92.2 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. [2020-09-24 21:37:33,180 INFO L168 Benchmark]: Boogie Preprocessor took 115.68 ms. Allocated memory was 140.5 MB in the beginning and 203.4 MB in the end (delta: 62.9 MB). Free memory was 92.2 MB in the beginning and 181.9 MB in the end (delta: -89.7 MB). Peak memory consumption was 12.7 MB. Max. memory is 7.1 GB. [2020-09-24 21:37:33,181 INFO L168 Benchmark]: RCFGBuilder took 510.66 ms. Allocated memory is still 203.4 MB. Free memory was 181.9 MB in the beginning and 161.1 MB in the end (delta: 20.8 MB). Peak memory consumption was 20.8 MB. Max. memory is 7.1 GB. [2020-09-24 21:37:33,182 INFO L168 Benchmark]: TraceAbstraction took 4500.20 ms. Allocated memory was 203.4 MB in the beginning and 246.9 MB in the end (delta: 43.5 MB). Free memory was 161.1 MB in the beginning and 167.6 MB in the end (delta: -6.5 MB). Peak memory consumption was 37.1 MB. Max. memory is 7.1 GB. [2020-09-24 21:37:33,187 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 140.5 MB. Free memory was 120.8 MB in the beginning and 120.6 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 345.09 ms. Allocated memory is still 140.5 MB. Free memory was 102.0 MB in the beginning and 92.2 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 115.68 ms. Allocated memory was 140.5 MB in the beginning and 203.4 MB in the end (delta: 62.9 MB). Free memory was 92.2 MB in the beginning and 181.9 MB in the end (delta: -89.7 MB). Peak memory consumption was 12.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 510.66 ms. Allocated memory is still 203.4 MB. Free memory was 181.9 MB in the beginning and 161.1 MB in the end (delta: 20.8 MB). Peak memory consumption was 20.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 4500.20 ms. Allocated memory was 203.4 MB in the beginning and 246.9 MB in the end (delta: 43.5 MB). Free memory was 161.1 MB in the beginning and 167.6 MB in the end (delta: -6.5 MB). Peak memory consumption was 37.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 22]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 11]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 64 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4.2s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 1.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 34 SDtfs, 70 SDslu, 230 SDs, 0 SdLazy, 350 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 35 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 127 ImplicationChecksByTransitivity, 2.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=64occurred 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 7 PreInvPairs, 7 NumberOfFragments, 74 HoareAnnotationTreeSize, 7 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 24 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 39 NumberOfCodeBlocks, 39 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 38 ConstructedInterpolants, 0 QuantifiedInterpolants, 22990 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...