/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=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.5 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/array-examples/sanfoundry_24-1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 14:45:42,801 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 14:45:42,805 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 14:45:42,833 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 14:45:42,833 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 14:45:42,835 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 14:45:42,837 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 14:45:42,839 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 14:45:42,841 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 14:45:42,842 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 14:45:42,843 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 14:45:42,844 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 14:45:42,845 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 14:45:42,846 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 14:45:42,847 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 14:45:42,849 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 14:45:42,850 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 14:45:42,851 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 14:45:42,853 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 14:45:42,855 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 14:45:42,857 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 14:45:42,858 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 14:45:42,860 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 14:45:42,861 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 14:45:42,865 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 14:45:42,865 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 14:45:42,866 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 14:45:42,867 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 14:45:42,867 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 14:45:42,871 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 14:45:42,872 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 14:45:42,873 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 14:45:42,874 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 14:45:42,876 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 14:45:42,881 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 14:45:42,881 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 14:45:42,882 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 14:45:42,883 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 14:45:42,883 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 14:45:42,885 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 14:45:42,897 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 14:45:42,901 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 [2020-09-25 14:45:42,953 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 14:45:42,955 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 14:45:42,957 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 14:45:42,957 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 14:45:42,958 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 14:45:42,958 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 14:45:42,958 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 14:45:42,959 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 14:45:42,959 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 14:45:42,959 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 14:45:42,960 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 14:45:42,960 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 14:45:42,961 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 14:45:42,961 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 14:45:42,962 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 14:45:42,962 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 14:45:42,962 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 14:45:42,963 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 14:45:42,963 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 14:45:42,963 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 14:45:42,963 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 14:45:42,963 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 14:45:42,964 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 14:45:42,964 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 14:45:42,964 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 14:45:42,964 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 14:45:42,965 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 14:45:42,965 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 14:45:42,965 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 14:45:42,965 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=SMALLESTAMONGWIDE;tolerance=0.5;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=SMALLESTAMONGWIDE;tolerance=0.5;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=SMALLESTAMONGWIDE;tolerance=0.5;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=SMALLESTAMONGWIDE;tolerance=0.5;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=SMALLESTAMONGWIDE;tolerance=0.5;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=SMALLESTAMONGWIDE;tolerance=0.5;log-additional-information=true; [2020-09-25 14:45:43,519 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 14:45:43,538 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 14:45:43,543 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 14:45:43,545 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 14:45:43,545 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 14:45:43,546 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-examples/sanfoundry_24-1.i [2020-09-25 14:45:43,630 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2131b7f19/abcde5d57a7249ac8e52646221886d2f/FLAG809561768 [2020-09-25 14:45:44,203 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 14:45:44,204 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/array-examples/sanfoundry_24-1.i [2020-09-25 14:45:44,211 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2131b7f19/abcde5d57a7249ac8e52646221886d2f/FLAG809561768 [2020-09-25 14:45:44,516 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2131b7f19/abcde5d57a7249ac8e52646221886d2f [2020-09-25 14:45:44,531 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 14:45:44,537 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 14:45:44,538 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 14:45:44,538 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 14:45:44,542 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 14:45:44,543 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 02:45:44" (1/1) ... [2020-09-25 14:45:44,548 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@aca6f29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:45:44, skipping insertion in model container [2020-09-25 14:45:44,549 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 02:45:44" (1/1) ... [2020-09-25 14:45:44,558 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 14:45:44,585 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 14:45:44,828 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 14:45:44,833 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 14:45:44,858 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 14:45:44,880 INFO L208 MainTranslator]: Completed translation [2020-09-25 14:45:44,880 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:45:44 WrapperNode [2020-09-25 14:45:44,881 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 14:45:44,882 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 14:45:44,882 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 14:45:44,882 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 14:45:44,988 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:45:44" (1/1) ... [2020-09-25 14:45:44,988 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:45:44" (1/1) ... [2020-09-25 14:45:44,999 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:45:44" (1/1) ... [2020-09-25 14:45:45,000 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:45:44" (1/1) ... [2020-09-25 14:45:45,008 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:45:44" (1/1) ... [2020-09-25 14:45:45,015 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:45:44" (1/1) ... [2020-09-25 14:45:45,017 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:45:44" (1/1) ... [2020-09-25 14:45:45,019 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 14:45:45,020 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 14:45:45,020 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 14:45:45,020 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 14:45:45,022 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:45:44" (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 [2020-09-25 14:45:45,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 14:45:45,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 14:45:45,099 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-09-25 14:45:45,100 INFO L138 BoogieDeclarations]: Found implementation of procedure printEven [2020-09-25 14:45:45,100 INFO L138 BoogieDeclarations]: Found implementation of procedure printOdd [2020-09-25 14:45:45,100 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 14:45:45,100 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 14:45:45,101 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 14:45:45,101 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-09-25 14:45:45,101 INFO L130 BoogieDeclarations]: Found specification of procedure printEven [2020-09-25 14:45:45,101 INFO L130 BoogieDeclarations]: Found specification of procedure printOdd [2020-09-25 14:45:45,101 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 14:45:45,101 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 14:45:45,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 14:45:45,102 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 14:45:45,102 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 14:45:45,102 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 14:45:45,102 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 14:45:45,468 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 14:45:45,469 INFO L295 CfgBuilder]: Removed 3 assume(true) statements. [2020-09-25 14:45:45,474 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 02:45:45 BoogieIcfgContainer [2020-09-25 14:45:45,475 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 14:45:45,476 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 14:45:45,476 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 14:45:45,480 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 14:45:45,480 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 02:45:44" (1/3) ... [2020-09-25 14:45:45,481 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ba8005d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 02:45:45, skipping insertion in model container [2020-09-25 14:45:45,482 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:45:44" (2/3) ... [2020-09-25 14:45:45,482 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ba8005d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 02:45:45, skipping insertion in model container [2020-09-25 14:45:45,482 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 02:45:45" (3/3) ... [2020-09-25 14:45:45,484 INFO L109 eAbstractionObserver]: Analyzing ICFG sanfoundry_24-1.i [2020-09-25 14:45:45,496 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 14:45:45,506 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 14:45:45,528 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 14:45:45,556 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 14:45:45,556 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 14:45:45,556 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 14:45:45,556 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 14:45:45,557 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 14:45:45,557 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 14:45:45,557 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 14:45:45,557 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 14:45:45,581 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states. [2020-09-25 14:45:45,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-09-25 14:45:45,588 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:45:45,589 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] [2020-09-25 14:45:45,590 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:45:45,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:45:45,596 INFO L82 PathProgramCache]: Analyzing trace with hash -1447674201, now seen corresponding path program 1 times [2020-09-25 14:45:45,605 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:45:45,605 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [82436765] [2020-09-25 14:45:45,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:45:45,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:45:45,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:45:45,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:45:46,512 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:45:46,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-25 14:45:46,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 14:45:46,513 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 774 [2020-09-25 14:45:46,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:45:46,518 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:45:46,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 14:45:46,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-09-25 14:45:46,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-25 14:45:46,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-09-25 14:45:46,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:45:46,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:45:46,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:45:46,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:45:46,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:45:46,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:45:46,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 14:45:46,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:45:46,823 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:45:46,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:45:46,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:45:46,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:45:46,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:45:46,837 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 14:45:46,838 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [82436765] [2020-09-25 14:45:46,841 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 14:45:46,841 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 14:45:46,842 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [969132164] [2020-09-25 14:45:46,849 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 14:45:46,849 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 14:45:46,867 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 14:45:46,869 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2020-09-25 14:45:46,871 INFO L87 Difference]: Start difference. First operand 65 states. Second operand 10 states. [2020-09-25 14:45:47,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 14:45:47,372 INFO L93 Difference]: Finished difference Result 116 states and 136 transitions. [2020-09-25 14:45:47,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-25 14:45:47,374 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 26 [2020-09-25 14:45:47,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 14:45:47,386 INFO L225 Difference]: With dead ends: 116 [2020-09-25 14:45:47,387 INFO L226 Difference]: Without dead ends: 64 [2020-09-25 14:45:47,392 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=45, Invalid=195, Unknown=0, NotChecked=0, Total=240 [2020-09-25 14:45:47,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2020-09-25 14:45:47,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 62. [2020-09-25 14:45:47,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2020-09-25 14:45:47,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 66 transitions. [2020-09-25 14:45:47,450 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 66 transitions. Word has length 26 [2020-09-25 14:45:47,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 14:45:47,450 INFO L479 AbstractCegarLoop]: Abstraction has 62 states and 66 transitions. [2020-09-25 14:45:47,450 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 14:45:47,451 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 66 transitions. [2020-09-25 14:45:47,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-09-25 14:45:47,452 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:45:47,453 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] [2020-09-25 14:45:47,453 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 14:45:47,453 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:45:47,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:45:47,454 INFO L82 PathProgramCache]: Analyzing trace with hash -1083168480, now seen corresponding path program 1 times [2020-09-25 14:45:47,454 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:45:47,455 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [470318260] [2020-09-25 14:45:47,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:45:47,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:45:47,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:45:47,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:45:47,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:45:48,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:45:48,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-09-25 14:45:48,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 14:45:48,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 961 [2020-09-25 14:45:48,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:45:48,435 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:45:48,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 14:45:48,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-09-25 14:45:48,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-25 14:45:48,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:45:48,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:45:48,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:45:48,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:45:48,578 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:45:48,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:45:48,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:45:48,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 14:45:48,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:45:48,580 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:45:48,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:45:48,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:45:48,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:45:48,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:45:48,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 14:45:48,590 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [470318260] [2020-09-25 14:45:48,590 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 14:45:48,591 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 14:45:48,591 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1439362810] [2020-09-25 14:45:48,593 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 14:45:48,594 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 14:45:48,594 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 14:45:48,595 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2020-09-25 14:45:48,595 INFO L87 Difference]: Start difference. First operand 62 states and 66 transitions. Second operand 10 states. [2020-09-25 14:45:49,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 14:45:49,065 INFO L93 Difference]: Finished difference Result 64 states and 68 transitions. [2020-09-25 14:45:49,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-25 14:45:49,066 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 28 [2020-09-25 14:45:49,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 14:45:49,067 INFO L225 Difference]: With dead ends: 64 [2020-09-25 14:45:49,067 INFO L226 Difference]: Without dead ends: 0 [2020-09-25 14:45:49,069 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=45, Invalid=195, Unknown=0, NotChecked=0, Total=240 [2020-09-25 14:45:49,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-25 14:45:49,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-25 14:45:49,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-25 14:45:49,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-25 14:45:49,070 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 28 [2020-09-25 14:45:49,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 14:45:49,071 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-25 14:45:49,071 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 14:45:49,071 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-25 14:45:49,071 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-25 14:45:49,072 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 14:45:49,075 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-25 14:45:49,210 INFO L268 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-09-25 14:45:49,211 INFO L268 CegarLoopResult]: For program point L-1-1(line -1) no Hoare annotation was computed. [2020-09-25 14:45:49,211 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-25 14:45:49,211 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#valid)| |#valid|)) [2020-09-25 14:45:49,211 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-25 14:45:49,212 INFO L271 CegarLoopResult]: At program point printOddENTRY(lines 7 9) the Hoare annotation is: true [2020-09-25 14:45:49,212 INFO L264 CegarLoopResult]: At program point L8(line 8) the Hoare annotation is: (or (not (let ((.cse0 (+ |printOdd_#in~i| 1))) (<= .cse0 (* 2 (div .cse0 2))))) (<= (+ (* 2 (div printOdd_~i 2)) 1) printOdd_~i)) [2020-09-25 14:45:49,212 INFO L268 CegarLoopResult]: For program point printOddFINAL(lines 7 9) no Hoare annotation was computed. [2020-09-25 14:45:49,212 INFO L268 CegarLoopResult]: For program point printOddEXIT(lines 7 9) no Hoare annotation was computed. [2020-09-25 14:45:49,212 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-25 14:45:49,213 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-09-25 14:45:49,213 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-25 14:45:49,213 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-25 14:45:49,213 INFO L268 CegarLoopResult]: For program point printEvenEXIT(lines 4 6) no Hoare annotation was computed. [2020-09-25 14:45:49,213 INFO L271 CegarLoopResult]: At program point printEvenENTRY(lines 4 6) the Hoare annotation is: true [2020-09-25 14:45:49,213 INFO L268 CegarLoopResult]: For program point printEvenFINAL(lines 4 6) no Hoare annotation was computed. [2020-09-25 14:45:49,214 INFO L264 CegarLoopResult]: At program point L5(line 5) the Hoare annotation is: (or (not (<= |printEven_#in~i| (* 2 (div |printEven_#in~i| 2)))) (<= printEven_~i (* 2 (div printEven_~i 2)))) [2020-09-25 14:45:49,214 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 10 36) no Hoare annotation was computed. [2020-09-25 14:45:49,214 INFO L268 CegarLoopResult]: For program point L23(line 23) no Hoare annotation was computed. [2020-09-25 14:45:49,214 INFO L268 CegarLoopResult]: For program point L23-1(lines 23 26) no Hoare annotation was computed. [2020-09-25 14:45:49,214 INFO L268 CegarLoopResult]: For program point L23-2(line 23) no Hoare annotation was computed. [2020-09-25 14:45:49,215 INFO L268 CegarLoopResult]: For program point L23-4(line 23) no Hoare annotation was computed. [2020-09-25 14:45:49,215 INFO L268 CegarLoopResult]: For program point L32(line 32) no Hoare annotation was computed. [2020-09-25 14:45:49,215 INFO L264 CegarLoopResult]: At program point L32-1(line 32) the Hoare annotation is: (and (let ((.cse0 (+ (select (select |#memory_int| |main_~#array~0.base|) (+ (* main_~i~0 4) |main_~#array~0.offset|)) 1))) (<= .cse0 (* 2 (div .cse0 2)))) (let ((.cse1 (+ |main_#t~mem8| 1))) (<= .cse1 (* 2 (div .cse1 2))))) [2020-09-25 14:45:49,215 INFO L268 CegarLoopResult]: For program point L32-2(line 32) no Hoare annotation was computed. [2020-09-25 14:45:49,216 INFO L268 CegarLoopResult]: For program point L28-2(lines 28 34) no Hoare annotation was computed. [2020-09-25 14:45:49,216 INFO L268 CegarLoopResult]: For program point L28-3(line 28) no Hoare annotation was computed. [2020-09-25 14:45:49,216 INFO L268 CegarLoopResult]: For program point L28-4(line 28) no Hoare annotation was computed. [2020-09-25 14:45:49,216 INFO L271 CegarLoopResult]: At program point L28-5(lines 28 34) the Hoare annotation is: true [2020-09-25 14:45:49,216 INFO L268 CegarLoopResult]: For program point L28-6(lines 28 34) no Hoare annotation was computed. [2020-09-25 14:45:49,216 INFO L268 CegarLoopResult]: For program point L16(line 16) no Hoare annotation was computed. [2020-09-25 14:45:49,217 INFO L268 CegarLoopResult]: For program point L16-3(lines 16 19) no Hoare annotation was computed. [2020-09-25 14:45:49,217 INFO L268 CegarLoopResult]: For program point L12(line 12) no Hoare annotation was computed. [2020-09-25 14:45:49,217 INFO L268 CegarLoopResult]: For program point L16-4(line 16) no Hoare annotation was computed. [2020-09-25 14:45:49,217 INFO L268 CegarLoopResult]: For program point L16-5(line 16) no Hoare annotation was computed. [2020-09-25 14:45:49,217 INFO L268 CegarLoopResult]: For program point L12-1(line 12) no Hoare annotation was computed. [2020-09-25 14:45:49,217 INFO L271 CegarLoopResult]: At program point L16-6(lines 16 19) the Hoare annotation is: true [2020-09-25 14:45:49,218 INFO L268 CegarLoopResult]: For program point L12-2(line 12) no Hoare annotation was computed. [2020-09-25 14:45:49,218 INFO L268 CegarLoopResult]: For program point L16-7(lines 16 19) no Hoare annotation was computed. [2020-09-25 14:45:49,218 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-09-25 14:45:49,218 INFO L264 CegarLoopResult]: At program point L25-1(line 25) the Hoare annotation is: (and (<= |main_#t~mem5| (* 2 (div |main_#t~mem5| 2))) (let ((.cse0 (select (select |#memory_int| |main_~#array~0.base|) (+ (* main_~i~0 4) |main_~#array~0.offset|)))) (<= .cse0 (* 2 (div .cse0 2))))) [2020-09-25 14:45:49,218 INFO L268 CegarLoopResult]: For program point L25-2(line 25) no Hoare annotation was computed. [2020-09-25 14:45:49,219 INFO L268 CegarLoopResult]: For program point L21-2(lines 21 27) no Hoare annotation was computed. [2020-09-25 14:45:49,219 INFO L268 CegarLoopResult]: For program point L21-3(line 21) no Hoare annotation was computed. [2020-09-25 14:45:49,219 INFO L268 CegarLoopResult]: For program point L21-4(line 21) no Hoare annotation was computed. [2020-09-25 14:45:49,219 INFO L271 CegarLoopResult]: At program point L21-5(lines 21 27) the Hoare annotation is: true [2020-09-25 14:45:49,219 INFO L268 CegarLoopResult]: For program point L21-6(lines 21 27) no Hoare annotation was computed. [2020-09-25 14:45:49,219 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 10 36) no Hoare annotation was computed. [2020-09-25 14:45:49,220 INFO L268 CegarLoopResult]: For program point L30(line 30) no Hoare annotation was computed. [2020-09-25 14:45:49,220 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 10 36) the Hoare annotation is: (= |old(#valid)| |#valid|) [2020-09-25 14:45:49,220 INFO L268 CegarLoopResult]: For program point L30-1(lines 30 33) no Hoare annotation was computed. [2020-09-25 14:45:49,220 INFO L268 CegarLoopResult]: For program point L30-2(line 30) no Hoare annotation was computed. [2020-09-25 14:45:49,220 INFO L268 CegarLoopResult]: For program point L30-4(line 30) no Hoare annotation was computed. [2020-09-25 14:45:49,221 INFO L268 CegarLoopResult]: For program point L18(line 18) no Hoare annotation was computed. [2020-09-25 14:45:49,221 INFO L268 CegarLoopResult]: For program point L18-1(line 18) no Hoare annotation was computed. [2020-09-25 14:45:49,221 INFO L268 CegarLoopResult]: For program point L18-2(line 18) no Hoare annotation was computed. [2020-09-25 14:45:49,221 INFO L268 CegarLoopResult]: For program point L14(line 14) no Hoare annotation was computed. [2020-09-25 14:45:49,221 INFO L268 CegarLoopResult]: For program point L14-1(line 14) no Hoare annotation was computed. [2020-09-25 14:45:49,221 INFO L268 CegarLoopResult]: For program point L14-2(line 14) no Hoare annotation was computed. [2020-09-25 14:45:49,222 INFO L268 CegarLoopResult]: For program point L3-3(line 3) no Hoare annotation was computed. [2020-09-25 14:45:49,222 INFO L271 CegarLoopResult]: At program point __VERIFIER_assertENTRY(line 3) the Hoare annotation is: true [2020-09-25 14:45:49,222 INFO L268 CegarLoopResult]: For program point __VERIFIER_assertEXIT(line 3) no Hoare annotation was computed. [2020-09-25 14:45:49,222 INFO L268 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-09-25 14:45:49,222 INFO L268 CegarLoopResult]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-09-25 14:45:49,223 INFO L268 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-09-25 14:45:49,237 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.09 02:45:49 BoogieIcfgContainer [2020-09-25 14:45:49,237 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-25 14:45:49,241 INFO L168 Benchmark]: Toolchain (without parser) took 4706.54 ms. Allocated memory was 145.2 MB in the beginning and 247.5 MB in the end (delta: 102.2 MB). Free memory was 101.5 MB in the beginning and 163.9 MB in the end (delta: -62.3 MB). Peak memory consumption was 39.9 MB. Max. memory is 7.1 GB. [2020-09-25 14:45:49,242 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 145.2 MB. Free memory was 119.9 MB in the beginning and 119.5 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. [2020-09-25 14:45:49,243 INFO L168 Benchmark]: CACSL2BoogieTranslator took 343.55 ms. Allocated memory is still 145.2 MB. Free memory was 100.7 MB in the beginning and 90.9 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. [2020-09-25 14:45:49,244 INFO L168 Benchmark]: Boogie Preprocessor took 137.91 ms. Allocated memory was 145.2 MB in the beginning and 201.9 MB in the end (delta: 56.6 MB). Free memory was 90.9 MB in the beginning and 179.0 MB in the end (delta: -88.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. [2020-09-25 14:45:49,245 INFO L168 Benchmark]: RCFGBuilder took 454.93 ms. Allocated memory is still 201.9 MB. Free memory was 179.0 MB in the beginning and 160.3 MB in the end (delta: 18.7 MB). Peak memory consumption was 18.7 MB. Max. memory is 7.1 GB. [2020-09-25 14:45:49,247 INFO L168 Benchmark]: TraceAbstraction took 3761.45 ms. Allocated memory was 201.9 MB in the beginning and 247.5 MB in the end (delta: 45.6 MB). Free memory was 160.3 MB in the beginning and 163.9 MB in the end (delta: -3.6 MB). Peak memory consumption was 42.0 MB. Max. memory is 7.1 GB. [2020-09-25 14:45:49,251 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 145.2 MB. Free memory was 119.9 MB in the beginning and 119.5 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 343.55 ms. Allocated memory is still 145.2 MB. Free memory was 100.7 MB in the beginning and 90.9 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 137.91 ms. Allocated memory was 145.2 MB in the beginning and 201.9 MB in the end (delta: 56.6 MB). Free memory was 90.9 MB in the beginning and 179.0 MB in the end (delta: -88.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 454.93 ms. Allocated memory is still 201.9 MB. Free memory was 179.0 MB in the beginning and 160.3 MB in the end (delta: 18.7 MB). Peak memory consumption was 18.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3761.45 ms. Allocated memory was 201.9 MB in the beginning and 247.5 MB in the end (delta: 45.6 MB). Free memory was 160.3 MB in the beginning and 163.9 MB in the end (delta: -3.6 MB). Peak memory consumption was 42.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: 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: 28]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 65 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.5s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 116 SDtfs, 45 SDslu, 623 SDs, 0 SdLazy, 424 SolverSat, 20 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 34 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=65occurred 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, 2 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 14 LocationsWithAnnotation, 21 PreInvPairs, 25 NumberOfFragments, 129 HoareAnnotationTreeSize, 21 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 14 FomulaSimplificationsInter, 120 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 54 NumberOfCodeBlocks, 54 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 52 ConstructedInterpolants, 0 QuantifiedInterpolants, 6260 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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...