/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/loops/lu.cmp.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 21:49:51,509 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 21:49:51,513 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 21:49:51,556 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 21:49:51,558 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 21:49:51,559 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 21:49:51,560 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 21:49:51,566 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 21:49:51,571 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 21:49:51,572 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 21:49:51,573 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 21:49:51,576 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 21:49:51,576 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 21:49:51,578 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 21:49:51,579 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 21:49:51,582 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 21:49:51,583 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 21:49:51,584 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 21:49:51,587 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 21:49:51,591 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 21:49:51,592 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 21:49:51,597 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 21:49:51,598 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 21:49:51,599 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 21:49:51,605 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 21:49:51,605 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 21:49:51,606 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 21:49:51,610 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 21:49:51,611 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 21:49:51,612 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 21:49:51,612 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 21:49:51,613 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 21:49:51,614 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 21:49:51,615 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 21:49:51,617 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 21:49:51,617 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 21:49:51,619 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 21:49:51,619 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 21:49:51,620 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 21:49:51,621 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 21:49:51,623 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 21:49:51,624 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 21:49:51,672 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 21:49:51,673 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 21:49:51,675 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 21:49:51,675 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 21:49:51,675 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 21:49:51,676 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 21:49:51,676 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 21:49:51,676 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 21:49:51,676 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 21:49:51,677 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 21:49:51,678 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 21:49:51,678 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 21:49:51,678 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 21:49:51,679 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 21:49:51,679 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 21:49:51,679 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 21:49:51,679 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 21:49:51,680 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 21:49:51,680 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 21:49:51,680 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 21:49:51,680 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 21:49:51,681 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 21:49:51,681 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 21:49:51,681 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 21:49:51,681 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 21:49:51,681 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 21:49:51,682 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 21:49:51,682 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 21:49:51,682 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 21:49:51,682 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 21:49:52,129 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 21:49:52,157 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 21:49:52,163 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 21:49:52,165 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 21:49:52,167 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 21:49:52,168 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/lu.cmp.c [2020-09-24 21:49:52,238 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e7e8deeb5/3b06e7958c0e422da23d82cbbb6a53f4/FLAG139ca2f85 [2020-09-24 21:49:52,806 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 21:49:52,807 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/loops/lu.cmp.c [2020-09-24 21:49:52,818 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e7e8deeb5/3b06e7958c0e422da23d82cbbb6a53f4/FLAG139ca2f85 [2020-09-24 21:49:53,129 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e7e8deeb5/3b06e7958c0e422da23d82cbbb6a53f4 [2020-09-24 21:49:53,141 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 21:49:53,146 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 21:49:53,147 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 21:49:53,147 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 21:49:53,151 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 21:49:53,152 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 09:49:53" (1/1) ... [2020-09-24 21:49:53,157 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3058fe9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:49:53, skipping insertion in model container [2020-09-24 21:49:53,157 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 09:49:53" (1/1) ... [2020-09-24 21:49:53,166 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 21:49:53,198 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 21:49:53,446 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 21:49:53,454 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 21:49:53,498 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 21:49:53,616 INFO L208 MainTranslator]: Completed translation [2020-09-24 21:49:53,617 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:49:53 WrapperNode [2020-09-24 21:49:53,617 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 21:49:53,618 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 21:49:53,618 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 21:49:53,618 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 21:49:53,631 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:49:53" (1/1) ... [2020-09-24 21:49:53,632 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:49:53" (1/1) ... [2020-09-24 21:49:53,645 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:49:53" (1/1) ... [2020-09-24 21:49:53,645 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:49:53" (1/1) ... [2020-09-24 21:49:53,670 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:49:53" (1/1) ... [2020-09-24 21:49:53,688 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:49:53" (1/1) ... [2020-09-24 21:49:53,691 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:49:53" (1/1) ... [2020-09-24 21:49:53,695 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 21:49:53,696 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 21:49:53,696 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 21:49:53,696 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 21:49:53,697 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:49:53" (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 21:49:53,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 21:49:53,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 21:49:53,771 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-09-24 21:49:53,771 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs [2020-09-24 21:49:53,771 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 21:49:53,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ludcmp [2020-09-24 21:49:53,772 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 21:49:53,772 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-09-24 21:49:53,772 INFO L130 BoogieDeclarations]: Found specification of procedure ludcmp [2020-09-24 21:49:53,773 INFO L130 BoogieDeclarations]: Found specification of procedure fabs [2020-09-24 21:49:53,773 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 21:49:53,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-09-24 21:49:53,773 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-09-24 21:49:53,773 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 21:49:53,774 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 21:49:53,774 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 21:49:53,774 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 21:49:54,348 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 21:49:54,349 INFO L295 CfgBuilder]: Removed 11 assume(true) statements. [2020-09-24 21:49:54,355 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 09:49:54 BoogieIcfgContainer [2020-09-24 21:49:54,356 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 21:49:54,357 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 21:49:54,358 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 21:49:54,362 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 21:49:54,362 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 09:49:53" (1/3) ... [2020-09-24 21:49:54,363 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63b1bed6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 09:49:54, skipping insertion in model container [2020-09-24 21:49:54,363 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:49:53" (2/3) ... [2020-09-24 21:49:54,364 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63b1bed6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 09:49:54, skipping insertion in model container [2020-09-24 21:49:54,364 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 09:49:54" (3/3) ... [2020-09-24 21:49:54,366 INFO L109 eAbstractionObserver]: Analyzing ICFG lu.cmp.c [2020-09-24 21:49:54,378 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 21:49:54,389 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 21:49:54,411 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 21:49:54,442 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 21:49:54,443 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 21:49:54,443 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 21:49:54,443 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 21:49:54,443 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 21:49:54,443 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 21:49:54,443 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 21:49:54,444 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 21:49:54,468 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states. [2020-09-24 21:49:54,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-09-24 21:49:54,475 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 21:49:54,476 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] [2020-09-24 21:49:54,477 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 21:49:54,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 21:49:54,483 INFO L82 PathProgramCache]: Analyzing trace with hash -1445504148, now seen corresponding path program 1 times [2020-09-24 21:49:54,493 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 21:49:54,493 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [95202896] [2020-09-24 21:49:54,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 21:49:54,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:49:54,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:49:54,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:49:55,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:49:55,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:49:55,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:49:55,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:49:55,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-09-24 21:49:55,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-24 21:49:55,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1060 [2020-09-24 21:49:55,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:49:55,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 21:49:55,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-09-24 21:49:55,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-24 21:49:55,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-24 21:49:55,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 21:49:55,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:49:55,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:49:55,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:49:55,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-24 21:49:55,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:49:55,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-24 21:49:55,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:49:55,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:49:55,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:49:55,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:49:55,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:49:55,918 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 21:49:55,919 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [95202896] [2020-09-24 21:49:55,921 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 21:49:55,921 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-24 21:49:55,922 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [342599466] [2020-09-24 21:49:55,928 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-24 21:49:55,929 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 21:49:55,946 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-24 21:49:55,947 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-09-24 21:49:55,950 INFO L87 Difference]: Start difference. First operand 186 states. Second operand 7 states. [2020-09-24 21:49:56,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 21:49:56,640 INFO L93 Difference]: Finished difference Result 362 states and 426 transitions. [2020-09-24 21:49:56,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-24 21:49:56,642 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 30 [2020-09-24 21:49:56,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 21:49:56,651 INFO L225 Difference]: With dead ends: 362 [2020-09-24 21:49:56,652 INFO L226 Difference]: Without dead ends: 0 [2020-09-24 21:49:56,659 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2020-09-24 21:49:56,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-24 21:49:56,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-24 21:49:56,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-24 21:49:56,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-24 21:49:56,693 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 30 [2020-09-24 21:49:56,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 21:49:56,694 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-24 21:49:56,694 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-24 21:49:56,694 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-24 21:49:56,694 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-24 21:49:56,695 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 21:49:56,697 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-24 21:49:56,909 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-09-24 21:49:56,910 INFO L271 CegarLoopResult]: At program point L118-1(line 118) the Hoare annotation is: true [2020-09-24 21:49:56,910 INFO L268 CegarLoopResult]: For program point L118-2(line 118) no Hoare annotation was computed. [2020-09-24 21:49:56,910 INFO L268 CegarLoopResult]: For program point L118-3(line 118) no Hoare annotation was computed. [2020-09-24 21:49:56,910 INFO L268 CegarLoopResult]: For program point L118-4(line 118) no Hoare annotation was computed. [2020-09-24 21:49:56,911 INFO L268 CegarLoopResult]: For program point L118-5(line 118) no Hoare annotation was computed. [2020-09-24 21:49:56,911 INFO L268 CegarLoopResult]: For program point L118-6(line 118) no Hoare annotation was computed. [2020-09-24 21:49:56,911 INFO L268 CegarLoopResult]: For program point L118-7(line 118) no Hoare annotation was computed. [2020-09-24 21:49:56,911 INFO L268 CegarLoopResult]: For program point L135(line 135) no Hoare annotation was computed. [2020-09-24 21:49:56,911 INFO L268 CegarLoopResult]: For program point L135-1(line 135) no Hoare annotation was computed. [2020-09-24 21:49:56,912 INFO L268 CegarLoopResult]: For program point L119(line 119) no Hoare annotation was computed. [2020-09-24 21:49:56,912 INFO L268 CegarLoopResult]: For program point L119-3(lines 119 126) no Hoare annotation was computed. [2020-09-24 21:49:56,912 INFO L268 CegarLoopResult]: For program point L119-4(line 119) no Hoare annotation was computed. [2020-09-24 21:49:56,912 INFO L268 CegarLoopResult]: For program point L119-5(line 119) no Hoare annotation was computed. [2020-09-24 21:49:56,912 INFO L271 CegarLoopResult]: At program point L119-6(lines 119 126) the Hoare annotation is: true [2020-09-24 21:49:56,913 INFO L268 CegarLoopResult]: For program point L119-7(lines 119 126) no Hoare annotation was computed. [2020-09-24 21:49:56,913 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-09-24 21:49:56,913 INFO L268 CegarLoopResult]: For program point L136-3(line 136) no Hoare annotation was computed. [2020-09-24 21:49:56,913 INFO L268 CegarLoopResult]: For program point L136-4(line 136) no Hoare annotation was computed. [2020-09-24 21:49:56,913 INFO L271 CegarLoopResult]: At program point L136-5(lines 136 142) the Hoare annotation is: true [2020-09-24 21:49:56,913 INFO L268 CegarLoopResult]: For program point L136-6(lines 136 142) no Hoare annotation was computed. [2020-09-24 21:49:56,914 INFO L268 CegarLoopResult]: For program point ludcmpEXIT(lines 109 153) no Hoare annotation was computed. [2020-09-24 21:49:56,914 INFO L264 CegarLoopResult]: At program point ludcmpENTRY(lines 109 153) the Hoare annotation is: (and (= |old(#memory_real)| |#memory_real|) (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) [2020-09-24 21:49:56,914 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-09-24 21:49:56,914 INFO L268 CegarLoopResult]: For program point L121-1(line 121) no Hoare annotation was computed. [2020-09-24 21:49:56,914 INFO L268 CegarLoopResult]: For program point L121-2(line 121) no Hoare annotation was computed. [2020-09-24 21:49:56,915 INFO L268 CegarLoopResult]: For program point L138(line 138) no Hoare annotation was computed. [2020-09-24 21:49:56,915 INFO L268 CegarLoopResult]: For program point L138-1(line 138) no Hoare annotation was computed. [2020-09-24 21:49:56,915 INFO L268 CegarLoopResult]: For program point L138-2(line 138) no Hoare annotation was computed. [2020-09-24 21:49:56,915 INFO L268 CegarLoopResult]: For program point L122(lines 122 124) no Hoare annotation was computed. [2020-09-24 21:49:56,915 INFO L268 CegarLoopResult]: For program point L122-1(lines 122 124) no Hoare annotation was computed. [2020-09-24 21:49:56,916 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-09-24 21:49:56,916 INFO L268 CegarLoopResult]: For program point L139-3(lines 139 140) no Hoare annotation was computed. [2020-09-24 21:49:56,916 INFO L268 CegarLoopResult]: For program point L139-4(line 139) no Hoare annotation was computed. [2020-09-24 21:49:56,916 INFO L268 CegarLoopResult]: For program point L139-5(line 139) no Hoare annotation was computed. [2020-09-24 21:49:56,916 INFO L271 CegarLoopResult]: At program point L139-6(lines 139 140) the Hoare annotation is: true [2020-09-24 21:49:56,916 INFO L268 CegarLoopResult]: For program point L139-7(lines 139 140) no Hoare annotation was computed. [2020-09-24 21:49:56,917 INFO L268 CegarLoopResult]: For program point L123(line 123) no Hoare annotation was computed. [2020-09-24 21:49:56,917 INFO L268 CegarLoopResult]: For program point L123-3(lines 123 124) no Hoare annotation was computed. [2020-09-24 21:49:56,917 INFO L268 CegarLoopResult]: For program point L123-4(line 123) no Hoare annotation was computed. [2020-09-24 21:49:56,917 INFO L268 CegarLoopResult]: For program point L123-5(line 123) no Hoare annotation was computed. [2020-09-24 21:49:56,917 INFO L271 CegarLoopResult]: At program point L123-6(lines 123 124) the Hoare annotation is: true [2020-09-24 21:49:56,918 INFO L268 CegarLoopResult]: For program point L140(line 140) no Hoare annotation was computed. [2020-09-24 21:49:56,918 INFO L268 CegarLoopResult]: For program point L140-1(line 140) no Hoare annotation was computed. [2020-09-24 21:49:56,918 INFO L268 CegarLoopResult]: For program point L140-2(line 140) no Hoare annotation was computed. [2020-09-24 21:49:56,918 INFO L268 CegarLoopResult]: For program point L140-3(line 140) no Hoare annotation was computed. [2020-09-24 21:49:56,918 INFO L268 CegarLoopResult]: For program point L140-4(line 140) no Hoare annotation was computed. [2020-09-24 21:49:56,918 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-09-24 21:49:56,919 INFO L268 CegarLoopResult]: For program point L124-1(line 124) no Hoare annotation was computed. [2020-09-24 21:49:56,919 INFO L268 CegarLoopResult]: For program point L124-2(line 124) no Hoare annotation was computed. [2020-09-24 21:49:56,919 INFO L268 CegarLoopResult]: For program point L124-3(line 124) no Hoare annotation was computed. [2020-09-24 21:49:56,919 INFO L268 CegarLoopResult]: For program point L124-4(line 124) no Hoare annotation was computed. [2020-09-24 21:49:56,919 INFO L268 CegarLoopResult]: For program point L141(lines 136 142) no Hoare annotation was computed. [2020-09-24 21:49:56,919 INFO L268 CegarLoopResult]: For program point L125(line 125) no Hoare annotation was computed. [2020-09-24 21:49:56,920 INFO L268 CegarLoopResult]: For program point L125-1(line 125) no Hoare annotation was computed. [2020-09-24 21:49:56,920 INFO L268 CegarLoopResult]: For program point L109(lines 109 153) no Hoare annotation was computed. [2020-09-24 21:49:56,920 INFO L268 CegarLoopResult]: For program point L109-1(lines 109 153) no Hoare annotation was computed. [2020-09-24 21:49:56,920 INFO L268 CegarLoopResult]: For program point L143(line 143) no Hoare annotation was computed. [2020-09-24 21:49:56,920 INFO L268 CegarLoopResult]: For program point L143-1(line 143) no Hoare annotation was computed. [2020-09-24 21:49:56,921 INFO L268 CegarLoopResult]: For program point L143-2(line 143) no Hoare annotation was computed. [2020-09-24 21:49:56,921 INFO L268 CegarLoopResult]: For program point L143-3(line 143) no Hoare annotation was computed. [2020-09-24 21:49:56,921 INFO L268 CegarLoopResult]: For program point L127-2(line 127) no Hoare annotation was computed. [2020-09-24 21:49:56,921 INFO L268 CegarLoopResult]: For program point L127-3(line 127) no Hoare annotation was computed. [2020-09-24 21:49:56,921 INFO L271 CegarLoopResult]: At program point L127-4(lines 127 133) the Hoare annotation is: true [2020-09-24 21:49:56,921 INFO L268 CegarLoopResult]: For program point L144(line 144) no Hoare annotation was computed. [2020-09-24 21:49:56,922 INFO L268 CegarLoopResult]: For program point L144-3(lines 144 150) no Hoare annotation was computed. [2020-09-24 21:49:56,922 INFO L268 CegarLoopResult]: For program point L144-4(line 144) no Hoare annotation was computed. [2020-09-24 21:49:56,922 INFO L268 CegarLoopResult]: For program point L144-5(line 144) no Hoare annotation was computed. [2020-09-24 21:49:56,922 INFO L271 CegarLoopResult]: At program point L144-6(lines 144 150) the Hoare annotation is: true [2020-09-24 21:49:56,922 INFO L268 CegarLoopResult]: For program point L144-7(lines 144 150) no Hoare annotation was computed. [2020-09-24 21:49:56,923 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-09-24 21:49:56,923 INFO L268 CegarLoopResult]: For program point L112-1(line 112) no Hoare annotation was computed. [2020-09-24 21:49:56,923 INFO L268 CegarLoopResult]: For program point L112-2(line 112) no Hoare annotation was computed. [2020-09-24 21:49:56,923 INFO L268 CegarLoopResult]: For program point L129(line 129) no Hoare annotation was computed. [2020-09-24 21:49:56,923 INFO L268 CegarLoopResult]: For program point L129-1(line 129) no Hoare annotation was computed. [2020-09-24 21:49:56,924 INFO L268 CegarLoopResult]: For program point L129-2(line 129) no Hoare annotation was computed. [2020-09-24 21:49:56,924 INFO L268 CegarLoopResult]: For program point L146(line 146) no Hoare annotation was computed. [2020-09-24 21:49:56,924 INFO L268 CegarLoopResult]: For program point L113(line 113) no Hoare annotation was computed. [2020-09-24 21:49:56,924 INFO L268 CegarLoopResult]: For program point L146-1(line 146) no Hoare annotation was computed. [2020-09-24 21:49:56,924 INFO L268 CegarLoopResult]: For program point L113-1(line 113) no Hoare annotation was computed. [2020-09-24 21:49:56,924 INFO L268 CegarLoopResult]: For program point L146-2(line 146) no Hoare annotation was computed. [2020-09-24 21:49:56,925 INFO L268 CegarLoopResult]: For program point L113-2(lines 110 153) no Hoare annotation was computed. [2020-09-24 21:49:56,925 INFO L268 CegarLoopResult]: For program point L113-3(line 113) no Hoare annotation was computed. [2020-09-24 21:49:56,925 INFO L268 CegarLoopResult]: For program point L113-4(line 113) no Hoare annotation was computed. [2020-09-24 21:49:56,925 INFO L268 CegarLoopResult]: For program point L113-5(line 113) no Hoare annotation was computed. [2020-09-24 21:49:56,925 INFO L268 CegarLoopResult]: For program point L113-6(line 113) no Hoare annotation was computed. [2020-09-24 21:49:56,926 INFO L268 CegarLoopResult]: For program point L113-7(line 113) no Hoare annotation was computed. [2020-09-24 21:49:56,926 INFO L268 CegarLoopResult]: For program point L113-8(line 113) no Hoare annotation was computed. [2020-09-24 21:49:56,926 INFO L268 CegarLoopResult]: For program point ludcmpFINAL(lines 109 153) no Hoare annotation was computed. [2020-09-24 21:49:56,926 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-09-24 21:49:56,926 INFO L268 CegarLoopResult]: For program point L130-3(lines 130 131) no Hoare annotation was computed. [2020-09-24 21:49:56,926 INFO L268 CegarLoopResult]: For program point L130-4(line 130) no Hoare annotation was computed. [2020-09-24 21:49:56,926 INFO L268 CegarLoopResult]: For program point L130-5(line 130) no Hoare annotation was computed. [2020-09-24 21:49:56,927 INFO L271 CegarLoopResult]: At program point L130-6(lines 130 131) the Hoare annotation is: true [2020-09-24 21:49:56,927 INFO L268 CegarLoopResult]: For program point L130-7(lines 130 131) no Hoare annotation was computed. [2020-09-24 21:49:56,927 INFO L268 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-09-24 21:49:56,927 INFO L268 CegarLoopResult]: For program point L147-3(lines 147 148) no Hoare annotation was computed. [2020-09-24 21:49:56,927 INFO L268 CegarLoopResult]: For program point L147-4(line 147) no Hoare annotation was computed. [2020-09-24 21:49:56,928 INFO L268 CegarLoopResult]: For program point L147-5(line 147) no Hoare annotation was computed. [2020-09-24 21:49:56,928 INFO L271 CegarLoopResult]: At program point L147-6(lines 147 148) the Hoare annotation is: true [2020-09-24 21:49:56,928 INFO L268 CegarLoopResult]: For program point L147-7(lines 147 148) no Hoare annotation was computed. [2020-09-24 21:49:56,928 INFO L268 CegarLoopResult]: For program point L131(line 131) no Hoare annotation was computed. [2020-09-24 21:49:56,928 INFO L268 CegarLoopResult]: For program point L131-1(line 131) no Hoare annotation was computed. [2020-09-24 21:49:56,928 INFO L268 CegarLoopResult]: For program point L131-2(line 131) no Hoare annotation was computed. [2020-09-24 21:49:56,929 INFO L268 CegarLoopResult]: For program point L131-3(line 131) no Hoare annotation was computed. [2020-09-24 21:49:56,929 INFO L268 CegarLoopResult]: For program point L131-4(line 131) no Hoare annotation was computed. [2020-09-24 21:49:56,929 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-09-24 21:49:56,929 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-09-24 21:49:56,929 INFO L268 CegarLoopResult]: For program point L148-1(line 148) no Hoare annotation was computed. [2020-09-24 21:49:56,929 INFO L268 CegarLoopResult]: For program point L148-2(line 148) no Hoare annotation was computed. [2020-09-24 21:49:56,930 INFO L268 CegarLoopResult]: For program point L148-3(line 148) no Hoare annotation was computed. [2020-09-24 21:49:56,930 INFO L268 CegarLoopResult]: For program point L148-4(line 148) no Hoare annotation was computed. [2020-09-24 21:49:56,930 INFO L268 CegarLoopResult]: For program point L132(lines 127 133) no Hoare annotation was computed. [2020-09-24 21:49:56,930 INFO L268 CegarLoopResult]: For program point L149(line 149) no Hoare annotation was computed. [2020-09-24 21:49:56,930 INFO L268 CegarLoopResult]: For program point L116(line 116) no Hoare annotation was computed. [2020-09-24 21:49:56,930 INFO L268 CegarLoopResult]: For program point L149-1(line 149) no Hoare annotation was computed. [2020-09-24 21:49:56,931 INFO L268 CegarLoopResult]: For program point L116-3(lines 116 134) no Hoare annotation was computed. [2020-09-24 21:49:56,931 INFO L268 CegarLoopResult]: For program point L116-4(line 116) no Hoare annotation was computed. [2020-09-24 21:49:56,931 INFO L268 CegarLoopResult]: For program point L116-5(line 116) no Hoare annotation was computed. [2020-09-24 21:49:56,931 INFO L271 CegarLoopResult]: At program point L116-6(lines 116 134) the Hoare annotation is: true [2020-09-24 21:49:56,931 INFO L268 CegarLoopResult]: For program point L116-7(lines 116 134) no Hoare annotation was computed. [2020-09-24 21:49:56,932 INFO L268 CegarLoopResult]: For program point L69-4(line 69) no Hoare annotation was computed. [2020-09-24 21:49:56,932 INFO L268 CegarLoopResult]: For program point L69-5(line 69) no Hoare annotation was computed. [2020-09-24 21:49:56,932 INFO L268 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-09-24 21:49:56,932 INFO L268 CegarLoopResult]: For program point L-1-1(line -1) no Hoare annotation was computed. [2020-09-24 21:49:56,932 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-24 21:49:56,932 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |~#x~0.offset| |old(~#x~0.offset)|) (= |old(#memory_real)| |#memory_real|) (= |~#b~0.offset| |old(~#b~0.offset)|) (= |old(#length)| |#length|) (= |~#a~0.offset| |old(~#a~0.offset)|) (= |~#b~0.base| |old(~#b~0.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |~#x~0.base| |old(~#x~0.base)|) (= |~#a~0.base| |old(~#a~0.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#valid)| |#valid|)) [2020-09-24 21:49:56,933 INFO L268 CegarLoopResult]: For program point L69(line 69) no Hoare annotation was computed. [2020-09-24 21:49:56,933 INFO L268 CegarLoopResult]: For program point L69-1(line 69) no Hoare annotation was computed. [2020-09-24 21:49:56,933 INFO L268 CegarLoopResult]: For program point L69-2(line 69) no Hoare annotation was computed. [2020-09-24 21:49:56,933 INFO L268 CegarLoopResult]: For program point L69-3(line 69) no Hoare annotation was computed. [2020-09-24 21:49:56,933 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-24 21:49:56,934 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-09-24 21:49:56,934 INFO L268 CegarLoopResult]: For program point L78(lines 78 79) no Hoare annotation was computed. [2020-09-24 21:49:56,934 INFO L268 CegarLoopResult]: For program point L78-1(line 78) no Hoare annotation was computed. [2020-09-24 21:49:56,934 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-09-24 21:49:56,934 INFO L268 CegarLoopResult]: For program point L78-3(lines 78 79) no Hoare annotation was computed. [2020-09-24 21:49:56,934 INFO L268 CegarLoopResult]: For program point fabsEXIT(lines 74 81) no Hoare annotation was computed. [2020-09-24 21:49:56,935 INFO L271 CegarLoopResult]: At program point fabsENTRY(lines 74 81) the Hoare annotation is: true [2020-09-24 21:49:56,935 INFO L268 CegarLoopResult]: For program point fabsFINAL(lines 74 81) no Hoare annotation was computed. [2020-09-24 21:49:56,935 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-24 21:49:56,935 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-09-24 21:49:56,935 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-24 21:49:56,935 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-24 21:49:56,935 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-09-24 21:49:56,936 INFO L268 CegarLoopResult]: For program point L97-1(line 97) no Hoare annotation was computed. [2020-09-24 21:49:56,936 INFO L268 CegarLoopResult]: For program point L97-2(line 97) no Hoare annotation was computed. [2020-09-24 21:49:56,936 INFO L268 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-09-24 21:49:56,936 INFO L268 CegarLoopResult]: For program point L97-4(line 97) no Hoare annotation was computed. [2020-09-24 21:49:56,936 INFO L268 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-09-24 21:49:56,936 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 83 107) no Hoare annotation was computed. [2020-09-24 21:49:56,937 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-09-24 21:49:56,937 INFO L268 CegarLoopResult]: For program point L98(line 98) no Hoare annotation was computed. [2020-09-24 21:49:56,937 INFO L268 CegarLoopResult]: For program point L98-1(line 98) no Hoare annotation was computed. [2020-09-24 21:49:56,937 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-09-24 21:49:56,937 INFO L268 CegarLoopResult]: For program point L94-3(lines 94 99) no Hoare annotation was computed. [2020-09-24 21:49:56,937 INFO L268 CegarLoopResult]: For program point L94-4(line 94) no Hoare annotation was computed. [2020-09-24 21:49:56,938 INFO L268 CegarLoopResult]: For program point L94-5(line 94) no Hoare annotation was computed. [2020-09-24 21:49:56,938 INFO L264 CegarLoopResult]: At program point L94-6(lines 94 99) the Hoare annotation is: (and (<= main_~i~0 5) (<= main_~n~0 5)) [2020-09-24 21:49:56,938 INFO L264 CegarLoopResult]: At program point L94-7(lines 94 99) the Hoare annotation is: (and (<= main_~i~0 5) (<= main_~n~0 5)) [2020-09-24 21:49:56,938 INFO L268 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-09-24 21:49:56,938 INFO L268 CegarLoopResult]: For program point L86-1(line 86) no Hoare annotation was computed. [2020-09-24 21:49:56,939 INFO L268 CegarLoopResult]: For program point L86-2(line 86) no Hoare annotation was computed. [2020-09-24 21:49:56,939 INFO L268 CegarLoopResult]: For program point L86-3(line 86) no Hoare annotation was computed. [2020-09-24 21:49:56,939 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-09-24 21:49:56,939 INFO L268 CegarLoopResult]: For program point L91-3(line 91) no Hoare annotation was computed. [2020-09-24 21:49:56,939 INFO L268 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-09-24 21:49:56,939 INFO L268 CegarLoopResult]: For program point L91-4(line 91) no Hoare annotation was computed. [2020-09-24 21:49:56,940 INFO L268 CegarLoopResult]: For program point L87-1(line 87) no Hoare annotation was computed. [2020-09-24 21:49:56,940 INFO L264 CegarLoopResult]: At program point L91-5(lines 91 102) the Hoare annotation is: (<= main_~n~0 5) [2020-09-24 21:49:56,940 INFO L264 CegarLoopResult]: At program point L91-6(lines 91 102) the Hoare annotation is: (<= main_~n~0 5) [2020-09-24 21:49:56,940 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 83 107) no Hoare annotation was computed. [2020-09-24 21:49:56,940 INFO L268 CegarLoopResult]: For program point L104(line 104) no Hoare annotation was computed. [2020-09-24 21:49:56,940 INFO L268 CegarLoopResult]: For program point L104-1(line 104) no Hoare annotation was computed. [2020-09-24 21:49:56,941 INFO L268 CegarLoopResult]: For program point L104-2(line 104) no Hoare annotation was computed. [2020-09-24 21:49:56,941 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-09-24 21:49:56,941 INFO L268 CegarLoopResult]: For program point L96(line 96) no Hoare annotation was computed. [2020-09-24 21:49:56,941 INFO L268 CegarLoopResult]: For program point L96-1(lines 95 99) no Hoare annotation was computed. [2020-09-24 21:49:56,941 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 83 107) the Hoare annotation is: (and (= |old(#memory_real)| |#memory_real|) (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) [2020-09-24 21:49:56,941 INFO L268 CegarLoopResult]: For program point L101(lines 91 102) no Hoare annotation was computed. [2020-09-24 21:49:56,942 INFO L271 CegarLoopResult]: At program point __VERIFIER_assertENTRY(lines 3 8) the Hoare annotation is: true [2020-09-24 21:49:56,942 INFO L268 CegarLoopResult]: For program point __VERIFIER_assertEXIT(lines 3 8) no Hoare annotation was computed. [2020-09-24 21:49:56,942 INFO L268 CegarLoopResult]: For program point L5(line 5) no Hoare annotation was computed. [2020-09-24 21:49:56,942 INFO L268 CegarLoopResult]: For program point L4(lines 4 6) no Hoare annotation was computed. [2020-09-24 21:49:56,942 INFO L268 CegarLoopResult]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 5) no Hoare annotation was computed. [2020-09-24 21:49:56,942 INFO L268 CegarLoopResult]: For program point L4-2(lines 3 8) no Hoare annotation was computed. [2020-09-24 21:49:56,965 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.09 09:49:56 BoogieIcfgContainer [2020-09-24 21:49:56,965 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-24 21:49:56,970 INFO L168 Benchmark]: Toolchain (without parser) took 3824.80 ms. Allocated memory was 148.4 MB in the beginning and 245.9 MB in the end (delta: 97.5 MB). Free memory was 104.1 MB in the beginning and 171.7 MB in the end (delta: -67.7 MB). Peak memory consumption was 29.9 MB. Max. memory is 7.1 GB. [2020-09-24 21:49:56,971 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 148.4 MB. Free memory was 121.8 MB in the beginning and 121.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-09-24 21:49:56,973 INFO L168 Benchmark]: CACSL2BoogieTranslator took 470.55 ms. Allocated memory was 148.4 MB in the beginning and 206.0 MB in the end (delta: 57.7 MB). Free memory was 103.4 MB in the beginning and 184.1 MB in the end (delta: -80.7 MB). Peak memory consumption was 22.2 MB. Max. memory is 7.1 GB. [2020-09-24 21:49:56,974 INFO L168 Benchmark]: Boogie Preprocessor took 77.15 ms. Allocated memory is still 206.0 MB. Free memory was 184.1 MB in the beginning and 181.1 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. [2020-09-24 21:49:56,976 INFO L168 Benchmark]: RCFGBuilder took 660.39 ms. Allocated memory is still 206.0 MB. Free memory was 181.1 MB in the beginning and 143.0 MB in the end (delta: 38.1 MB). Peak memory consumption was 38.1 MB. Max. memory is 7.1 GB. [2020-09-24 21:49:56,977 INFO L168 Benchmark]: TraceAbstraction took 2608.33 ms. Allocated memory was 206.0 MB in the beginning and 245.9 MB in the end (delta: 39.8 MB). Free memory was 142.4 MB in the beginning and 171.7 MB in the end (delta: -29.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 7.1 GB. [2020-09-24 21:49:56,982 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 148.4 MB. Free memory was 121.8 MB in the beginning and 121.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 470.55 ms. Allocated memory was 148.4 MB in the beginning and 206.0 MB in the end (delta: 57.7 MB). Free memory was 103.4 MB in the beginning and 184.1 MB in the end (delta: -80.7 MB). Peak memory consumption was 22.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 77.15 ms. Allocated memory is still 206.0 MB. Free memory was 184.1 MB in the beginning and 181.1 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 660.39 ms. Allocated memory is still 206.0 MB. Free memory was 181.1 MB in the beginning and 143.0 MB in the end (delta: 38.1 MB). Peak memory consumption was 38.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2608.33 ms. Allocated memory was 206.0 MB in the beginning and 245.9 MB in the end (delta: 39.8 MB). Free memory was 142.4 MB in the beginning and 171.7 MB in the end (delta: -29.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 5]: 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: 119]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 91]: Loop Invariant Derived loop invariant: n <= 5 - InvariantResult [Line: 147]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 116]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 94]: Loop Invariant Derived loop invariant: i <= 5 && n <= 5 - InvariantResult [Line: 144]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 123]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 139]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 186 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2.2s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 184 SDtfs, 98 SDslu, 610 SDs, 0 SdLazy, 312 SolverSat, 18 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=186occurred 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, 21 LocationsWithAnnotation, 46 PreInvPairs, 74 NumberOfFragments, 88 HoareAnnotationTreeSize, 46 FomulaSimplifications, 164 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 21 FomulaSimplificationsInter, 122 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 30 NumberOfCodeBlocks, 30 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 29 ConstructedInterpolants, 0 QuantifiedInterpolants, 2552 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...