/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/loop-industry-pattern/mod3.c.v+sep-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 14:48:36,635 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 14:48:36,640 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 14:48:36,686 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 14:48:36,686 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 14:48:36,695 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 14:48:36,697 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 14:48:36,701 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 14:48:36,703 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 14:48:36,707 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 14:48:36,708 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 14:48:36,709 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 14:48:36,709 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 14:48:36,712 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 14:48:36,715 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 14:48:36,717 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 14:48:36,719 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 14:48:36,720 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 14:48:36,722 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 14:48:36,730 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 14:48:36,733 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 14:48:36,734 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 14:48:36,735 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 14:48:36,736 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 14:48:36,749 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 14:48:36,754 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 14:48:36,754 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 14:48:36,755 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 14:48:36,758 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 14:48:36,759 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 14:48:36,759 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 14:48:36,760 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 14:48:36,764 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 14:48:36,765 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 14:48:36,766 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 14:48:36,766 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 14:48:36,769 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 14:48:36,769 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 14:48:36,769 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 14:48:36,770 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 14:48:36,771 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 14:48:36,773 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 14:48:36,817 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 14:48:36,818 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 14:48:36,820 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 14:48:36,820 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 14:48:36,821 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 14:48:36,821 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 14:48:36,821 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 14:48:36,821 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 14:48:36,822 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 14:48:36,822 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 14:48:36,823 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 14:48:36,823 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 14:48:36,823 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 14:48:36,824 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 14:48:36,824 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 14:48:36,824 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 14:48:36,824 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 14:48:36,824 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 14:48:36,825 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 14:48:36,825 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 14:48:36,825 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 14:48:36,826 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 14:48:36,826 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 14:48:36,826 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 14:48:36,826 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 14:48:36,826 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 14:48:36,827 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 14:48:36,827 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 14:48:36,827 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 14:48:36,827 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 14:48:37,338 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 14:48:37,366 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 14:48:37,371 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 14:48:37,373 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 14:48:37,374 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 14:48:37,375 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-industry-pattern/mod3.c.v+sep-reducer.c [2020-09-25 14:48:37,470 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ef0ed0c83/cb31a659c050455583c5b5e792be22d2/FLAG363cdce88 [2020-09-25 14:48:38,030 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 14:48:38,031 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/loop-industry-pattern/mod3.c.v+sep-reducer.c [2020-09-25 14:48:38,042 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ef0ed0c83/cb31a659c050455583c5b5e792be22d2/FLAG363cdce88 [2020-09-25 14:48:38,353 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ef0ed0c83/cb31a659c050455583c5b5e792be22d2 [2020-09-25 14:48:38,366 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 14:48:38,373 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 14:48:38,374 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 14:48:38,374 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 14:48:38,381 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 14:48:38,383 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 02:48:38" (1/1) ... [2020-09-25 14:48:38,388 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72b4eb26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:48:38, skipping insertion in model container [2020-09-25 14:48:38,388 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 02:48:38" (1/1) ... [2020-09-25 14:48:38,398 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 14:48:38,432 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 14:48:38,691 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 14:48:38,700 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 14:48:38,731 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 14:48:38,749 INFO L208 MainTranslator]: Completed translation [2020-09-25 14:48:38,749 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:48:38 WrapperNode [2020-09-25 14:48:38,750 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 14:48:38,751 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 14:48:38,751 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 14:48:38,751 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 14:48:38,843 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:48:38" (1/1) ... [2020-09-25 14:48:38,844 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:48:38" (1/1) ... [2020-09-25 14:48:38,851 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:48:38" (1/1) ... [2020-09-25 14:48:38,851 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:48:38" (1/1) ... [2020-09-25 14:48:38,857 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:48:38" (1/1) ... [2020-09-25 14:48:38,861 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:48:38" (1/1) ... [2020-09-25 14:48:38,867 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:48:38" (1/1) ... [2020-09-25 14:48:38,870 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 14:48:38,870 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 14:48:38,870 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 14:48:38,872 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 14:48:38,873 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:48:38" (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 14:48:38,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 14:48:38,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 14:48:38,950 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 14:48:38,950 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 14:48:38,950 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 14:48:38,950 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-09-25 14:48:38,950 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 14:48:38,951 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 14:48:38,951 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 14:48:39,374 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 14:48:39,375 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-09-25 14:48:39,380 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 02:48:39 BoogieIcfgContainer [2020-09-25 14:48:39,380 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 14:48:39,382 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 14:48:39,382 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 14:48:39,386 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 14:48:39,386 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 02:48:38" (1/3) ... [2020-09-25 14:48:39,387 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@671bc44f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 02:48:39, skipping insertion in model container [2020-09-25 14:48:39,389 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:48:38" (2/3) ... [2020-09-25 14:48:39,389 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@671bc44f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 02:48:39, skipping insertion in model container [2020-09-25 14:48:39,390 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 02:48:39" (3/3) ... [2020-09-25 14:48:39,392 INFO L109 eAbstractionObserver]: Analyzing ICFG mod3.c.v+sep-reducer.c [2020-09-25 14:48:39,404 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 14:48:39,414 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 14:48:39,436 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 14:48:39,470 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 14:48:39,470 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 14:48:39,470 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 14:48:39,470 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 14:48:39,470 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 14:48:39,471 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 14:48:39,471 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 14:48:39,471 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 14:48:39,493 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states. [2020-09-25 14:48:39,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-09-25 14:48:39,502 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:48:39,503 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 14:48:39,504 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:48:39,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:48:39,510 INFO L82 PathProgramCache]: Analyzing trace with hash 421001685, now seen corresponding path program 1 times [2020-09-25 14:48:39,519 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:48:39,520 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [355046750] [2020-09-25 14:48:39,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:48:39,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:48:39,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:48:40,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:48:40,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-09-25 14:48:40,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:48:40,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 825 [2020-09-25 14:48:40,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:48:40,598 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:48:40,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 14:48:40,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-09-25 14:48:40,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-09-25 14:48:40,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-25 14:48:40,995 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 28 [2020-09-25 14:48:41,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:48:41,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:48:41,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:48:41,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:48:41,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-25 14:48:41,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:48:41,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 14:48:41,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:48:41,151 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:48:41,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:48:41,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:48:41,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:48:41,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:48:41,169 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 14:48:41,170 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [355046750] [2020-09-25 14:48:41,172 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 14:48:41,172 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-25 14:48:41,173 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1535746201] [2020-09-25 14:48:41,180 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-25 14:48:41,180 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 14:48:41,197 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-25 14:48:41,198 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-09-25 14:48:41,201 INFO L87 Difference]: Start difference. First operand 89 states. Second operand 7 states. [2020-09-25 14:48:54,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 14:48:54,468 INFO L93 Difference]: Finished difference Result 218 states and 246 transitions. [2020-09-25 14:48:54,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-25 14:48:54,471 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 36 [2020-09-25 14:48:54,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 14:48:54,487 INFO L225 Difference]: With dead ends: 218 [2020-09-25 14:48:54,487 INFO L226 Difference]: Without dead ends: 119 [2020-09-25 14:48:54,492 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-09-25 14:48:54,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2020-09-25 14:48:54,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 88. [2020-09-25 14:48:54,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2020-09-25 14:48:54,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 94 transitions. [2020-09-25 14:48:54,541 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 94 transitions. Word has length 36 [2020-09-25 14:48:54,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 14:48:54,542 INFO L479 AbstractCegarLoop]: Abstraction has 88 states and 94 transitions. [2020-09-25 14:48:54,542 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-25 14:48:54,542 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 94 transitions. [2020-09-25 14:48:54,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-09-25 14:48:54,544 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:48:54,544 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 14:48:54,545 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 14:48:54,545 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:48:54,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:48:54,545 INFO L82 PathProgramCache]: Analyzing trace with hash -2025352708, now seen corresponding path program 1 times [2020-09-25 14:48:54,546 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:48:54,546 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1729358440] [2020-09-25 14:48:54,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:48:54,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:48:54,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:48:54,954 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:48:54,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-25 14:48:54,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:48:54,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 375 [2020-09-25 14:48:54,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:48:54,956 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:48:54,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 14:48:54,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-09-25 14:48:54,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-09-25 14:48:54,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:48:55,210 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 22 [2020-09-25 14:48:55,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:48:55,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:48:55,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:48:55,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:48:55,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-25 14:48:55,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:48:55,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 14:48:55,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:48:55,373 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:48:55,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:48:55,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:48:55,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:48:55,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:48:55,386 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 14:48:55,386 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1729358440] [2020-09-25 14:48:55,387 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 14:48:55,387 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-25 14:48:55,387 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1133733146] [2020-09-25 14:48:55,389 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-25 14:48:55,389 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 14:48:55,390 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-25 14:48:55,390 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-09-25 14:48:55,390 INFO L87 Difference]: Start difference. First operand 88 states and 94 transitions. Second operand 7 states. [2020-09-25 14:49:04,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 14:49:04,434 INFO L93 Difference]: Finished difference Result 184 states and 201 transitions. [2020-09-25 14:49:04,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-25 14:49:04,438 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 37 [2020-09-25 14:49:04,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 14:49:04,439 INFO L225 Difference]: With dead ends: 184 [2020-09-25 14:49:04,439 INFO L226 Difference]: Without dead ends: 0 [2020-09-25 14:49:04,443 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-09-25 14:49:04,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-25 14:49:04,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-25 14:49:04,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-25 14:49:04,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-25 14:49:04,444 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 37 [2020-09-25 14:49:04,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 14:49:04,445 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-25 14:49:04,445 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-25 14:49:04,445 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-25 14:49:04,445 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-25 14:49:04,446 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 14:49:04,448 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-25 14:49:04,559 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-25 14:49:04,559 INFO L268 CegarLoopResult]: For program point L12(line 12) no Hoare annotation was computed. [2020-09-25 14:49:04,559 INFO L268 CegarLoopResult]: For program point L11(line 11) no Hoare annotation was computed. [2020-09-25 14:49:04,559 INFO L268 CegarLoopResult]: For program point L10(line 10) no Hoare annotation was computed. [2020-09-25 14:49:04,560 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~__tmp_22_0~0 |old(~__tmp_22_0~0)|) (= ~__tmp_22_1~0 |old(~__tmp_22_1~0)|) (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_65~0 |old(~__return_65~0)|) (= ~__tmp_25_1~0 |old(~__tmp_25_1~0)|) (= ~__tmp_31_0~0 |old(~__tmp_31_0~0)|) (= ~__tmp_28_0~0 |old(~__tmp_28_0~0)|) (= ~__tmp_25_0~0 |old(~__tmp_25_0~0)|)) [2020-09-25 14:49:04,560 INFO L268 CegarLoopResult]: For program point L9(line 9) no Hoare annotation was computed. [2020-09-25 14:49:04,560 INFO L268 CegarLoopResult]: For program point L8(line 8) no Hoare annotation was computed. [2020-09-25 14:49:04,560 INFO L268 CegarLoopResult]: For program point L7(line 7) no Hoare annotation was computed. [2020-09-25 14:49:04,560 INFO L268 CegarLoopResult]: For program point L6(line 6) no Hoare annotation was computed. [2020-09-25 14:49:04,560 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-25 14:49:04,561 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-25 14:49:04,561 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-09-25 14:49:04,561 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-25 14:49:04,561 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-25 14:49:04,561 INFO L268 CegarLoopResult]: For program point L93(lines 93 102) no Hoare annotation was computed. [2020-09-25 14:49:04,561 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 13 145) no Hoare annotation was computed. [2020-09-25 14:49:04,562 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-09-25 14:49:04,562 INFO L268 CegarLoopResult]: For program point L19(line 19) no Hoare annotation was computed. [2020-09-25 14:49:04,562 INFO L268 CegarLoopResult]: For program point L19-1(line 19) no Hoare annotation was computed. [2020-09-25 14:49:04,562 INFO L268 CegarLoopResult]: For program point L19-2(line 19) no Hoare annotation was computed. [2020-09-25 14:49:04,562 INFO L268 CegarLoopResult]: For program point L143(line 143) no Hoare annotation was computed. [2020-09-25 14:49:04,562 INFO L268 CegarLoopResult]: For program point L77(line 77) no Hoare annotation was computed. [2020-09-25 14:49:04,563 INFO L268 CegarLoopResult]: For program point L135(line 135) no Hoare annotation was computed. [2020-09-25 14:49:04,563 INFO L268 CegarLoopResult]: For program point L69(line 69) no Hoare annotation was computed. [2020-09-25 14:49:04,563 INFO L268 CegarLoopResult]: For program point L36(line 36) no Hoare annotation was computed. [2020-09-25 14:49:04,563 INFO L268 CegarLoopResult]: For program point L119(line 119) no Hoare annotation was computed. [2020-09-25 14:49:04,563 INFO L268 CegarLoopResult]: For program point L86(lines 86 108) no Hoare annotation was computed. [2020-09-25 14:49:04,563 INFO L268 CegarLoopResult]: For program point L20(lines 20 144) no Hoare annotation was computed. [2020-09-25 14:49:04,564 INFO L268 CegarLoopResult]: For program point L78(line 78) no Hoare annotation was computed. [2020-09-25 14:49:04,564 INFO L268 CegarLoopResult]: For program point L45(lines 45 82) no Hoare annotation was computed. [2020-09-25 14:49:04,564 INFO L271 CegarLoopResult]: At program point L136(lines 14 145) the Hoare annotation is: true [2020-09-25 14:49:04,564 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-09-25 14:49:04,564 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-09-25 14:49:04,564 INFO L268 CegarLoopResult]: For program point L95(line 95) no Hoare annotation was computed. [2020-09-25 14:49:04,565 INFO L268 CegarLoopResult]: For program point L120(line 120) no Hoare annotation was computed. [2020-09-25 14:49:04,565 INFO L268 CegarLoopResult]: For program point L54(lines 54 81) no Hoare annotation was computed. [2020-09-25 14:49:04,565 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 13 145) no Hoare annotation was computed. [2020-09-25 14:49:04,565 INFO L268 CegarLoopResult]: For program point L129(line 129) no Hoare annotation was computed. [2020-09-25 14:49:04,565 INFO L268 CegarLoopResult]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 95) no Hoare annotation was computed. [2020-09-25 14:49:04,565 INFO L268 CegarLoopResult]: For program point L96(line 96) no Hoare annotation was computed. [2020-09-25 14:49:04,566 INFO L268 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-09-25 14:49:04,566 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 13 145) the Hoare annotation is: (and (= |old(~__tmp_22_1~0)| ~__tmp_22_1~0) (= |old(~__tmp_22_0~0)| ~__tmp_22_0~0) (= |old(~__return_65~0)| ~__return_65~0) (= |old(~__tmp_25_1~0)| ~__tmp_25_1~0) (= |old(~__tmp_25_0~0)| ~__tmp_25_0~0) (= |old(~__tmp_31_0~0)| ~__tmp_31_0~0) (= |old(~__tmp_28_0~0)| ~__tmp_28_0~0)) [2020-09-25 14:49:04,566 INFO L271 CegarLoopResult]: At program point L121(lines 33 138) the Hoare annotation is: true [2020-09-25 14:49:04,566 INFO L268 CegarLoopResult]: For program point L22(lines 22 139) no Hoare annotation was computed. [2020-09-25 14:49:04,566 INFO L268 CegarLoopResult]: For program point L113(line 113) no Hoare annotation was computed. [2020-09-25 14:49:04,567 INFO L268 CegarLoopResult]: For program point L47(line 47) no Hoare annotation was computed. [2020-09-25 14:49:04,567 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-09-25 14:49:04,567 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-09-25 14:49:04,567 INFO L268 CegarLoopResult]: For program point L64-1(line 64) no Hoare annotation was computed. [2020-09-25 14:49:04,567 INFO L268 CegarLoopResult]: For program point L64-2(line 64) no Hoare annotation was computed. [2020-09-25 14:49:04,567 INFO L268 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-09-25 14:49:04,568 INFO L268 CegarLoopResult]: For program point L56(line 56) no Hoare annotation was computed. [2020-09-25 14:49:04,568 INFO L268 CegarLoopResult]: For program point L114(line 114) no Hoare annotation was computed. [2020-09-25 14:49:04,568 INFO L268 CegarLoopResult]: For program point L114-1(line 114) no Hoare annotation was computed. [2020-09-25 14:49:04,568 INFO L268 CegarLoopResult]: For program point L48(line 48) no Hoare annotation was computed. [2020-09-25 14:49:04,568 INFO L268 CegarLoopResult]: For program point L114-2(line 114) no Hoare annotation was computed. [2020-09-25 14:49:04,569 INFO L264 CegarLoopResult]: At program point L40(lines 22 139) the Hoare annotation is: (<= main_~main__x~0 (let ((.cse0 (div main_~main__x~0 4294967296))) (let ((.cse2 (* .cse0 (- 4294967296)))) (let ((.cse1 (div (+ .cse2 main_~main__x~0) 3))) (+ (* 4294967296 .cse0) (* 3 .cse1) (* 4294967296 (div (+ .cse2 (* .cse1 (- 3)) main_~main__x~0) 4294967296))))))) [2020-09-25 14:49:04,569 INFO L268 CegarLoopResult]: For program point L131(line 131) no Hoare annotation was computed. [2020-09-25 14:49:04,569 INFO L268 CegarLoopResult]: For program point L65(lines 65 80) no Hoare annotation was computed. [2020-09-25 14:49:04,569 INFO L268 CegarLoopResult]: For program point L123(line 123) no Hoare annotation was computed. [2020-09-25 14:49:04,569 INFO L268 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-09-25 14:49:04,569 INFO L268 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed. [2020-09-25 14:49:04,569 INFO L268 CegarLoopResult]: For program point L24(line 24) no Hoare annotation was computed. [2020-09-25 14:49:04,570 INFO L268 CegarLoopResult]: For program point L115(lines 115 137) no Hoare annotation was computed. [2020-09-25 14:49:04,570 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-09-25 14:49:04,570 INFO L268 CegarLoopResult]: For program point L16(line 16) no Hoare annotation was computed. [2020-09-25 14:49:04,570 INFO L268 CegarLoopResult]: For program point L107(line 107) no Hoare annotation was computed. [2020-09-25 14:49:04,570 INFO L268 CegarLoopResult]: For program point L132(line 132) no Hoare annotation was computed. [2020-09-25 14:49:04,570 INFO L268 CegarLoopResult]: For program point L33(lines 33 138) no Hoare annotation was computed. [2020-09-25 14:49:04,571 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-09-25 14:49:04,571 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-09-25 14:49:04,571 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-09-25 14:49:04,571 INFO L264 CegarLoopResult]: At program point L50(lines 22 139) the Hoare annotation is: (<= (* 2863311531 main_~main__x~0) (let ((.cse0 (div main_~main__x~0 4294967296))) (+ (* 12297829383904690176 .cse0) (* 8589934592 (div (+ (* .cse0 (- 4294967296)) main_~main__x~0) 3)) 1431655765))) [2020-09-25 14:49:04,571 INFO L268 CegarLoopResult]: For program point L75(line 75) no Hoare annotation was computed. [2020-09-25 14:49:04,571 INFO L268 CegarLoopResult]: For program point L42(line 42) no Hoare annotation was computed. [2020-09-25 14:49:04,572 INFO L268 CegarLoopResult]: For program point L42-1(line 42) no Hoare annotation was computed. [2020-09-25 14:49:04,572 INFO L268 CegarLoopResult]: For program point L42-2(line 42) no Hoare annotation was computed. [2020-09-25 14:49:04,572 INFO L271 CegarLoopResult]: At program point L133(lines 33 138) the Hoare annotation is: true [2020-09-25 14:49:04,572 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-09-25 14:49:04,572 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-09-25 14:49:04,572 INFO L268 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-09-25 14:49:04,573 INFO L264 CegarLoopResult]: At program point L59(lines 34 110) the Hoare annotation is: (<= main_~main__x~0 (let ((.cse0 (div main_~main__x~0 4294967296))) (let ((.cse2 (* .cse0 (- 4294967296)))) (let ((.cse1 (div (+ .cse2 main_~main__x~0) 3))) (+ (* 4294967296 .cse0) (* 3 .cse1) (* 4294967296 (div (+ .cse2 (* .cse1 (- 3)) main_~main__x~0) 4294967296))))))) [2020-09-25 14:49:04,573 INFO L268 CegarLoopResult]: For program point L26(line 26) no Hoare annotation was computed. [2020-09-25 14:49:04,573 INFO L268 CegarLoopResult]: For program point L117(line 117) no Hoare annotation was computed. [2020-09-25 14:49:04,573 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-09-25 14:49:04,573 INFO L268 CegarLoopResult]: For program point L43(lines 43 109) no Hoare annotation was computed. [2020-09-25 14:49:04,573 INFO L268 CegarLoopResult]: For program point L101(line 101) no Hoare annotation was computed. [2020-09-25 14:49:04,573 INFO L268 CegarLoopResult]: For program point L68(line 68) no Hoare annotation was computed. [2020-09-25 14:49:04,574 INFO L268 CegarLoopResult]: For program point L35(line 35) no Hoare annotation was computed. [2020-09-25 14:49:04,597 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.09 02:49:04 BoogieIcfgContainer [2020-09-25 14:49:04,597 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-25 14:49:04,600 INFO L168 Benchmark]: Toolchain (without parser) took 26231.43 ms. Allocated memory was 116.4 MB in the beginning and 208.7 MB in the end (delta: 92.3 MB). Free memory was 74.6 MB in the beginning and 132.7 MB in the end (delta: -58.1 MB). Peak memory consumption was 34.2 MB. Max. memory is 7.1 GB. [2020-09-25 14:49:04,601 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 116.4 MB. Free memory was 91.9 MB in the beginning and 91.8 MB in the end (delta: 104.9 kB). Peak memory consumption was 104.9 kB. Max. memory is 7.1 GB. [2020-09-25 14:49:04,602 INFO L168 Benchmark]: CACSL2BoogieTranslator took 376.83 ms. Allocated memory was 116.4 MB in the beginning and 130.5 MB in the end (delta: 14.2 MB). Free memory was 73.9 MB in the beginning and 99.3 MB in the end (delta: -25.3 MB). Peak memory consumption was 17.1 MB. Max. memory is 7.1 GB. [2020-09-25 14:49:04,603 INFO L168 Benchmark]: Boogie Preprocessor took 118.54 ms. Allocated memory was 130.5 MB in the beginning and 167.2 MB in the end (delta: 36.7 MB). Free memory was 99.3 MB in the beginning and 152.7 MB in the end (delta: -53.4 MB). Peak memory consumption was 409.6 kB. Max. memory is 7.1 GB. [2020-09-25 14:49:04,604 INFO L168 Benchmark]: RCFGBuilder took 510.38 ms. Allocated memory is still 167.2 MB. Free memory was 152.5 MB in the beginning and 132.1 MB in the end (delta: 20.4 MB). Peak memory consumption was 20.4 MB. Max. memory is 7.1 GB. [2020-09-25 14:49:04,605 INFO L168 Benchmark]: TraceAbstraction took 25215.70 ms. Allocated memory was 167.2 MB in the beginning and 208.7 MB in the end (delta: 41.4 MB). Free memory was 131.7 MB in the beginning and 132.7 MB in the end (delta: -1.0 MB). Peak memory consumption was 40.4 MB. Max. memory is 7.1 GB. [2020-09-25 14:49:04,610 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 116.4 MB. Free memory was 91.9 MB in the beginning and 91.8 MB in the end (delta: 104.9 kB). Peak memory consumption was 104.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 376.83 ms. Allocated memory was 116.4 MB in the beginning and 130.5 MB in the end (delta: 14.2 MB). Free memory was 73.9 MB in the beginning and 99.3 MB in the end (delta: -25.3 MB). Peak memory consumption was 17.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 118.54 ms. Allocated memory was 130.5 MB in the beginning and 167.2 MB in the end (delta: 36.7 MB). Free memory was 99.3 MB in the beginning and 152.7 MB in the end (delta: -53.4 MB). Peak memory consumption was 409.6 kB. Max. memory is 7.1 GB. * RCFGBuilder took 510.38 ms. Allocated memory is still 167.2 MB. Free memory was 152.5 MB in the beginning and 132.1 MB in the end (delta: 20.4 MB). Peak memory consumption was 20.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 25215.70 ms. Allocated memory was 167.2 MB in the beginning and 208.7 MB in the end (delta: 41.4 MB). Free memory was 131.7 MB in the beginning and 132.7 MB in the end (delta: -1.0 MB). Peak memory consumption was 40.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 95]: 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: 34]: Loop Invariant Derived loop invariant: main__x <= 4294967296 * (main__x / 4294967296) + 3 * ((main__x / 4294967296 * -4294967296 + main__x) / 3) + 4294967296 * ((main__x / 4294967296 * -4294967296 + (main__x / 4294967296 * -4294967296 + main__x) / 3 * -3 + main__x) / 4294967296) - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: 2863311531 * main__x <= 12297829383904690176 * (main__x / 4294967296) + 8589934592 * ((main__x / 4294967296 * -4294967296 + main__x) / 3) + 1431655765 - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: main__x <= 4294967296 * (main__x / 4294967296) + 3 * ((main__x / 4294967296 * -4294967296 + main__x) / 3) + 4294967296 * ((main__x / 4294967296 * -4294967296 + (main__x / 4294967296 * -4294967296 + main__x) / 3 * -3 + main__x) / 4294967296) - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 89 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 24.9s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 22.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 174 SDtfs, 91 SDslu, 434 SDs, 0 SdLazy, 486 SolverSat, 9 SolverUnsat, 10 SolverUnknown, 0 SolverNotchecked, 21.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 24 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=89occurred 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, 31 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 10 LocationsWithAnnotation, 10 PreInvPairs, 18 NumberOfFragments, 156 HoareAnnotationTreeSize, 10 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 10 FomulaSimplificationsInter, 26 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 73 NumberOfCodeBlocks, 73 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 71 ConstructedInterpolants, 0 QuantifiedInterpolants, 33134 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...