/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=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=1.0 --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+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 09:12:03,412 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 09:12:03,416 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 09:12:03,460 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 09:12:03,461 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 09:12:03,468 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 09:12:03,470 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 09:12:03,474 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 09:12:03,477 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 09:12:03,480 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 09:12:03,481 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 09:12:03,482 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 09:12:03,482 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 09:12:03,485 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 09:12:03,487 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 09:12:03,490 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 09:12:03,491 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 09:12:03,492 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 09:12:03,494 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 09:12:03,502 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 09:12:03,505 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 09:12:03,506 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 09:12:03,507 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 09:12:03,508 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 09:12:03,520 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 09:12:03,520 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 09:12:03,520 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 09:12:03,527 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 09:12:03,527 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 09:12:03,531 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 09:12:03,532 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 09:12:03,535 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 09:12:03,536 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 09:12:03,537 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 09:12:03,538 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 09:12:03,538 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 09:12:03,539 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 09:12:03,539 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 09:12:03,540 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 09:12:03,541 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 09:12:03,541 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 09:12:03,543 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 09:12:03,585 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 09:12:03,585 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 09:12:03,588 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 09:12:03,588 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 09:12:03,588 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 09:12:03,588 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 09:12:03,589 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 09:12:03,589 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 09:12:03,589 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 09:12:03,589 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 09:12:03,590 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 09:12:03,590 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 09:12:03,591 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 09:12:03,591 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 09:12:03,591 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 09:12:03,592 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 09:12:03,592 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 09:12:03,592 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 09:12:03,592 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 09:12:03,592 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 09:12:03,593 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 09:12:03,593 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 09:12:03,593 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 09:12:03,593 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 09:12:03,594 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 09:12:03,594 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 09:12:03,594 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 09:12:03,594 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 09:12:03,594 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 09:12:03,594 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=WIDESTAMONGSMALL;tolerance=1.0;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=WIDESTAMONGSMALL;tolerance=1.0;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=WIDESTAMONGSMALL;tolerance=1.0;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=WIDESTAMONGSMALL;tolerance=1.0;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=WIDESTAMONGSMALL;tolerance=1.0;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=WIDESTAMONGSMALL;tolerance=1.0;log-additional-information=true; [2020-09-25 09:12:04,032 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 09:12:04,054 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 09:12:04,061 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 09:12:04,063 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 09:12:04,064 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 09:12:04,065 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-industry-pattern/mod3.c.v+lhb-reducer.c [2020-09-25 09:12:04,144 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0de387e79/ac82b25838304dcb85df8c3ced4c23e0/FLAGf016a8778 [2020-09-25 09:12:04,678 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 09:12:04,678 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/loop-industry-pattern/mod3.c.v+lhb-reducer.c [2020-09-25 09:12:04,690 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0de387e79/ac82b25838304dcb85df8c3ced4c23e0/FLAGf016a8778 [2020-09-25 09:12:05,001 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0de387e79/ac82b25838304dcb85df8c3ced4c23e0 [2020-09-25 09:12:05,017 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 09:12:05,023 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 09:12:05,025 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 09:12:05,025 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 09:12:05,029 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 09:12:05,030 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 09:12:05" (1/1) ... [2020-09-25 09:12:05,034 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@243023c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:12:05, skipping insertion in model container [2020-09-25 09:12:05,035 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 09:12:05" (1/1) ... [2020-09-25 09:12:05,044 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 09:12:05,075 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 09:12:05,315 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 09:12:05,322 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 09:12:05,350 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 09:12:05,367 INFO L208 MainTranslator]: Completed translation [2020-09-25 09:12:05,367 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:12:05 WrapperNode [2020-09-25 09:12:05,368 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 09:12:05,368 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 09:12:05,369 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 09:12:05,369 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 09:12:05,460 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:12:05" (1/1) ... [2020-09-25 09:12:05,461 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:12:05" (1/1) ... [2020-09-25 09:12:05,468 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:12:05" (1/1) ... [2020-09-25 09:12:05,468 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:12:05" (1/1) ... [2020-09-25 09:12:05,475 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:12:05" (1/1) ... [2020-09-25 09:12:05,478 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:12:05" (1/1) ... [2020-09-25 09:12:05,480 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:12:05" (1/1) ... [2020-09-25 09:12:05,482 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 09:12:05,483 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 09:12:05,483 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 09:12:05,483 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 09:12:05,484 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:12:05" (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 09:12:05,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 09:12:05,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 09:12:05,564 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 09:12:05,564 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 09:12:05,564 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 09:12:05,564 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-09-25 09:12:05,565 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 09:12:05,565 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 09:12:05,565 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 09:12:05,964 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 09:12:05,964 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-09-25 09:12:05,970 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 09:12:05 BoogieIcfgContainer [2020-09-25 09:12:05,970 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 09:12:05,971 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 09:12:05,971 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 09:12:05,975 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 09:12:05,975 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 09:12:05" (1/3) ... [2020-09-25 09:12:05,976 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fc434c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 09:12:05, skipping insertion in model container [2020-09-25 09:12:05,976 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:12:05" (2/3) ... [2020-09-25 09:12:05,977 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fc434c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 09:12:05, skipping insertion in model container [2020-09-25 09:12:05,977 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 09:12:05" (3/3) ... [2020-09-25 09:12:05,979 INFO L109 eAbstractionObserver]: Analyzing ICFG mod3.c.v+lhb-reducer.c [2020-09-25 09:12:05,990 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 09:12:06,001 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 09:12:06,024 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 09:12:06,059 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 09:12:06,059 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 09:12:06,059 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 09:12:06,059 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 09:12:06,059 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 09:12:06,060 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 09:12:06,060 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 09:12:06,060 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 09:12:06,086 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states. [2020-09-25 09:12:06,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-09-25 09:12:06,097 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 09:12:06,098 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 09:12:06,099 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 09:12:06,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 09:12:06,105 INFO L82 PathProgramCache]: Analyzing trace with hash 1887694174, now seen corresponding path program 1 times [2020-09-25 09:12:06,114 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 09:12:06,114 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1981065718] [2020-09-25 09:12:06,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 09:12:06,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:12:06,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:12:07,116 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:12:07,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-09-25 09:12:07,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:12:07,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 793 [2020-09-25 09:12:07,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 09:12:07,122 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 09:12:07,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 09:12:07,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-09-25 09:12:07,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-25 09:12:07,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-09-25 09:12:07,565 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 27 [2020-09-25 09:12:07,774 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 17 [2020-09-25 09:12:07,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:12:07,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:12:07,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:12:07,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:12:07,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 09:12:07,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:12:07,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 09:12:07,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 09:12:07,846 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 09:12:07,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:12:07,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:12:07,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:12:07,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:12:07,867 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 09:12:07,868 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1981065718] [2020-09-25 09:12:07,870 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 09:12:07,871 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-25 09:12:07,872 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [646781352] [2020-09-25 09:12:07,879 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-25 09:12:07,879 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 09:12:07,897 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-25 09:12:07,898 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-09-25 09:12:07,901 INFO L87 Difference]: Start difference. First operand 93 states. Second operand 7 states. [2020-09-25 09:12:16,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 09:12:16,922 INFO L93 Difference]: Finished difference Result 229 states and 257 transitions. [2020-09-25 09:12:16,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-25 09:12:16,925 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 39 [2020-09-25 09:12:16,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 09:12:16,952 INFO L225 Difference]: With dead ends: 229 [2020-09-25 09:12:16,953 INFO L226 Difference]: Without dead ends: 125 [2020-09-25 09:12:16,960 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 09:12:16,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2020-09-25 09:12:17,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 94. [2020-09-25 09:12:17,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2020-09-25 09:12:17,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 100 transitions. [2020-09-25 09:12:17,063 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 100 transitions. Word has length 39 [2020-09-25 09:12:17,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 09:12:17,064 INFO L479 AbstractCegarLoop]: Abstraction has 94 states and 100 transitions. [2020-09-25 09:12:17,064 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-25 09:12:17,065 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 100 transitions. [2020-09-25 09:12:17,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-09-25 09:12:17,069 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 09:12:17,069 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 09:12:17,070 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 09:12:17,071 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 09:12:17,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 09:12:17,072 INFO L82 PathProgramCache]: Analyzing trace with hash -1677432442, now seen corresponding path program 1 times [2020-09-25 09:12:17,072 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 09:12:17,072 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [975511230] [2020-09-25 09:12:17,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 09:12:17,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:12:17,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:12:17,582 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:12:17,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-09-25 09:12:17,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:12:17,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 459 [2020-09-25 09:12:17,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 09:12:17,583 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 09:12:17,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 09:12:17,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-09-25 09:12:17,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-25 09:12:17,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 09:12:17,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:12:17,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:12:17,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:12:17,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:12:17,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 09:12:17,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:12:17,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 09:12:17,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 09:12:17,929 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 09:12:17,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:12:17,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:12:17,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:12:17,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:12:17,939 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 09:12:17,940 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [975511230] [2020-09-25 09:12:17,940 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 09:12:17,940 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-25 09:12:17,941 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1078492352] [2020-09-25 09:12:17,943 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-25 09:12:17,943 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 09:12:17,943 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-25 09:12:17,944 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-09-25 09:12:17,944 INFO L87 Difference]: Start difference. First operand 94 states and 100 transitions. Second operand 7 states. [2020-09-25 09:12:22,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 09:12:22,651 INFO L93 Difference]: Finished difference Result 194 states and 211 transitions. [2020-09-25 09:12:22,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-25 09:12:22,652 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 40 [2020-09-25 09:12:22,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 09:12:22,653 INFO L225 Difference]: With dead ends: 194 [2020-09-25 09:12:22,653 INFO L226 Difference]: Without dead ends: 0 [2020-09-25 09:12:22,656 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-09-25 09:12:22,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-25 09:12:22,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-25 09:12:22,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-25 09:12:22,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-25 09:12:22,659 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 40 [2020-09-25 09:12:22,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 09:12:22,660 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-25 09:12:22,660 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-25 09:12:22,660 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-25 09:12:22,660 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-25 09:12:22,660 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 09:12:22,663 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-25 09:12:22,793 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-25 09:12:22,794 INFO L268 CegarLoopResult]: For program point L13(line 13) no Hoare annotation was computed. [2020-09-25 09:12:22,794 INFO L268 CegarLoopResult]: For program point L12(line 12) no Hoare annotation was computed. [2020-09-25 09:12:22,794 INFO L268 CegarLoopResult]: For program point L11(line 11) no Hoare annotation was computed. [2020-09-25 09:12:22,794 INFO L268 CegarLoopResult]: For program point L10(line 10) no Hoare annotation was computed. [2020-09-25 09:12:22,795 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~__tmp_88_1~0 |old(~__tmp_88_1~0)|) (= ~__tmp_91_1~0 |old(~__tmp_91_1~0)|) (= ~__tmp_91_0~0 |old(~__tmp_91_0~0)|) (= ~__return_121~0 |old(~__return_121~0)|) (= ~__tmp_88_0~0 |old(~__tmp_88_0~0)|) (= ~__return_main~0 |old(~__return_main~0)|) (= ~__tmp_93_0~0 |old(~__tmp_93_0~0)|) (= ~__tmp_112_0~0 |old(~__tmp_112_0~0)|) (= ~__tmp_94_0~0 |old(~__tmp_94_0~0)|)) [2020-09-25 09:12:22,795 INFO L268 CegarLoopResult]: For program point L9(line 9) no Hoare annotation was computed. [2020-09-25 09:12:22,795 INFO L268 CegarLoopResult]: For program point L8(line 8) no Hoare annotation was computed. [2020-09-25 09:12:22,795 INFO L268 CegarLoopResult]: For program point L7(line 7) no Hoare annotation was computed. [2020-09-25 09:12:22,795 INFO L268 CegarLoopResult]: For program point L6(line 6) no Hoare annotation was computed. [2020-09-25 09:12:22,796 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-25 09:12:22,796 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-25 09:12:22,796 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-09-25 09:12:22,796 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-25 09:12:22,796 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-25 09:12:22,796 INFO L268 CegarLoopResult]: For program point L126(lines 126 141) no Hoare annotation was computed. [2020-09-25 09:12:22,797 INFO L268 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-09-25 09:12:22,797 INFO L268 CegarLoopResult]: For program point L60(lines 60 82) no Hoare annotation was computed. [2020-09-25 09:12:22,797 INFO L268 CegarLoopResult]: For program point L27(line 27) no Hoare annotation was computed. [2020-09-25 09:12:22,797 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 14 149) no Hoare annotation was computed. [2020-09-25 09:12:22,797 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-09-25 09:12:22,797 INFO L268 CegarLoopResult]: For program point L77(line 77) no Hoare annotation was computed. [2020-09-25 09:12:22,798 INFO L268 CegarLoopResult]: For program point L102(line 102) no Hoare annotation was computed. [2020-09-25 09:12:22,798 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-09-25 09:12:22,798 INFO L268 CegarLoopResult]: For program point L119(line 119) no Hoare annotation was computed. [2020-09-25 09:12:22,798 INFO L268 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-09-25 09:12:22,798 INFO L268 CegarLoopResult]: For program point L20(line 20) no Hoare annotation was computed. [2020-09-25 09:12:22,799 INFO L268 CegarLoopResult]: For program point L20-1(line 20) no Hoare annotation was computed. [2020-09-25 09:12:22,799 INFO L268 CegarLoopResult]: For program point L20-2(line 20) no Hoare annotation was computed. [2020-09-25 09:12:22,799 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-09-25 09:12:22,799 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-09-25 09:12:22,799 INFO L268 CegarLoopResult]: For program point L37(lines 37 84) no Hoare annotation was computed. [2020-09-25 09:12:22,799 INFO L268 CegarLoopResult]: For program point L128(line 128) no Hoare annotation was computed. [2020-09-25 09:12:22,800 INFO L268 CegarLoopResult]: For program point L95(lines 95 104) no Hoare annotation was computed. [2020-09-25 09:12:22,800 INFO L268 CegarLoopResult]: For program point L62(line 62) no Hoare annotation was computed. [2020-09-25 09:12:22,800 INFO L264 CegarLoopResult]: At program point L120(lines 23 143) the Hoare annotation is: (= (let ((.cse0 (div main_~main__x~0 4294967296))) (+ (* 4294967296 .cse0) (* 3 (div (+ (* .cse0 (- 4294967296)) main_~main__x~0) 3)))) main_~main__x~0) [2020-09-25 09:12:22,800 INFO L264 CegarLoopResult]: At program point L54(lines 24 112) the Hoare annotation is: (= (let ((.cse0 (div main_~main__x~0 4294967296))) (+ (* .cse0 4294967296) (* (div (+ (* .cse0 (- 4294967296)) main_~main__x~0) 3) 3))) main_~main__x~0) [2020-09-25 09:12:22,801 INFO L268 CegarLoopResult]: For program point L21(lines 21 148) no Hoare annotation was computed. [2020-09-25 09:12:22,801 INFO L268 CegarLoopResult]: For program point L46(lines 46 83) no Hoare annotation was computed. [2020-09-25 09:12:22,801 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 14 149) no Hoare annotation was computed. [2020-09-25 09:12:22,801 INFO L268 CegarLoopResult]: For program point L137(line 137) no Hoare annotation was computed. [2020-09-25 09:12:22,801 INFO L268 CegarLoopResult]: For program point L129(line 129) no Hoare annotation was computed. [2020-09-25 09:12:22,801 INFO L268 CegarLoopResult]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 97) no Hoare annotation was computed. [2020-09-25 09:12:22,802 INFO L268 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-09-25 09:12:22,802 INFO L268 CegarLoopResult]: For program point L30(line 30) no Hoare annotation was computed. [2020-09-25 09:12:22,802 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 14 149) the Hoare annotation is: (and (= ~__tmp_88_1~0 |old(~__tmp_88_1~0)|) (= ~__tmp_91_1~0 |old(~__tmp_91_1~0)|) (= |old(~__tmp_112_0~0)| ~__tmp_112_0~0) (= ~__tmp_91_0~0 |old(~__tmp_91_0~0)|) (= |old(~__return_121~0)| ~__return_121~0) (= ~__tmp_88_0~0 |old(~__tmp_88_0~0)|) (= ~__tmp_93_0~0 |old(~__tmp_93_0~0)|) (= ~__tmp_94_0~0 |old(~__tmp_94_0~0)|)) [2020-09-25 09:12:22,802 INFO L268 CegarLoopResult]: For program point L88(lines 88 110) no Hoare annotation was computed. [2020-09-25 09:12:22,802 INFO L268 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-09-25 09:12:22,803 INFO L268 CegarLoopResult]: For program point L138(line 138) no Hoare annotation was computed. [2020-09-25 09:12:22,803 INFO L268 CegarLoopResult]: For program point L39(line 39) no Hoare annotation was computed. [2020-09-25 09:12:22,803 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-09-25 09:12:22,803 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-09-25 09:12:22,803 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-09-25 09:12:22,803 INFO L268 CegarLoopResult]: For program point L23(lines 23 143) no Hoare annotation was computed. [2020-09-25 09:12:22,804 INFO L268 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-09-25 09:12:22,804 INFO L271 CegarLoopResult]: At program point L81(lines 15 149) the Hoare annotation is: true [2020-09-25 09:12:22,804 INFO L268 CegarLoopResult]: For program point L48(line 48) no Hoare annotation was computed. [2020-09-25 09:12:22,804 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-09-25 09:12:22,804 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-09-25 09:12:22,804 INFO L268 CegarLoopResult]: For program point L131(line 131) no Hoare annotation was computed. [2020-09-25 09:12:22,805 INFO L268 CegarLoopResult]: For program point L98(line 98) no Hoare annotation was computed. [2020-09-25 09:12:22,805 INFO L268 CegarLoopResult]: For program point L65(line 65) no Hoare annotation was computed. [2020-09-25 09:12:22,805 INFO L268 CegarLoopResult]: For program point L115(lines 115 142) no Hoare annotation was computed. [2020-09-25 09:12:22,805 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-09-25 09:12:22,805 INFO L271 CegarLoopResult]: At program point L140(lines 23 143) the Hoare annotation is: true [2020-09-25 09:12:22,805 INFO L268 CegarLoopResult]: For program point L74(line 74) no Hoare annotation was computed. [2020-09-25 09:12:22,806 INFO L268 CegarLoopResult]: For program point L41(line 41) no Hoare annotation was computed. [2020-09-25 09:12:22,806 INFO L271 CegarLoopResult]: At program point L132(lines 23 143) the Hoare annotation is: true [2020-09-25 09:12:22,806 INFO L268 CegarLoopResult]: For program point L33(line 33) no Hoare annotation was computed. [2020-09-25 09:12:22,806 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-09-25 09:12:22,806 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-09-25 09:12:22,806 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-09-25 09:12:22,806 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-09-25 09:12:22,807 INFO L268 CegarLoopResult]: For program point L50(line 50) no Hoare annotation was computed. [2020-09-25 09:12:22,807 INFO L268 CegarLoopResult]: For program point L17(line 17) no Hoare annotation was computed. [2020-09-25 09:12:22,807 INFO L268 CegarLoopResult]: For program point L75(line 75) no Hoare annotation was computed. [2020-09-25 09:12:22,807 INFO L264 CegarLoopResult]: At program point L42(lines 24 112) the Hoare annotation is: (= (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)))))) main_~main__x~0) [2020-09-25 09:12:22,807 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-09-25 09:12:22,807 INFO L268 CegarLoopResult]: For program point L34-1(line 34) no Hoare annotation was computed. [2020-09-25 09:12:22,808 INFO L268 CegarLoopResult]: For program point L34-2(line 34) no Hoare annotation was computed. [2020-09-25 09:12:22,808 INFO L268 CegarLoopResult]: For program point L125(line 125) no Hoare annotation was computed. [2020-09-25 09:12:22,808 INFO L268 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-09-25 09:12:22,808 INFO L268 CegarLoopResult]: For program point L125-1(line 125) no Hoare annotation was computed. [2020-09-25 09:12:22,808 INFO L268 CegarLoopResult]: For program point L59(line 59) no Hoare annotation was computed. [2020-09-25 09:12:22,808 INFO L268 CegarLoopResult]: For program point L125-2(line 125) no Hoare annotation was computed. [2020-09-25 09:12:22,809 INFO L268 CegarLoopResult]: For program point L26(line 26) no Hoare annotation was computed. [2020-09-25 09:12:22,809 INFO L268 CegarLoopResult]: For program point L59-1(line 59) no Hoare annotation was computed. [2020-09-25 09:12:22,809 INFO L268 CegarLoopResult]: For program point L59-2(line 59) no Hoare annotation was computed. [2020-09-25 09:12:22,809 INFO L268 CegarLoopResult]: For program point L117(line 117) no Hoare annotation was computed. [2020-09-25 09:12:22,809 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-09-25 09:12:22,809 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-09-25 09:12:22,809 INFO L268 CegarLoopResult]: For program point L68(line 68) no Hoare annotation was computed. [2020-09-25 09:12:22,810 INFO L268 CegarLoopResult]: For program point L35(lines 35 111) no Hoare annotation was computed. [2020-09-25 09:12:22,834 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.09 09:12:22 BoogieIcfgContainer [2020-09-25 09:12:22,834 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-25 09:12:22,836 INFO L168 Benchmark]: Toolchain (without parser) took 17817.43 ms. Allocated memory was 140.5 MB in the beginning and 244.3 MB in the end (delta: 103.8 MB). Free memory was 102.3 MB in the beginning and 186.0 MB in the end (delta: -83.7 MB). Peak memory consumption was 20.1 MB. Max. memory is 7.1 GB. [2020-09-25 09:12:22,838 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 140.5 MB. Free memory was 120.8 MB in the beginning and 120.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-09-25 09:12:22,839 INFO L168 Benchmark]: CACSL2BoogieTranslator took 343.52 ms. Allocated memory is still 140.5 MB. Free memory was 101.7 MB in the beginning and 90.9 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 7.1 GB. [2020-09-25 09:12:22,840 INFO L168 Benchmark]: Boogie Preprocessor took 113.88 ms. Allocated memory was 140.5 MB in the beginning and 203.9 MB in the end (delta: 63.4 MB). Free memory was 90.9 MB in the beginning and 181.5 MB in the end (delta: -90.6 MB). Peak memory consumption was 12.2 MB. Max. memory is 7.1 GB. [2020-09-25 09:12:22,841 INFO L168 Benchmark]: RCFGBuilder took 487.39 ms. Allocated memory is still 203.9 MB. Free memory was 181.5 MB in the beginning and 160.9 MB in the end (delta: 20.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 7.1 GB. [2020-09-25 09:12:22,842 INFO L168 Benchmark]: TraceAbstraction took 16862.98 ms. Allocated memory was 203.9 MB in the beginning and 244.3 MB in the end (delta: 40.4 MB). Free memory was 160.3 MB in the beginning and 186.0 MB in the end (delta: -25.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 7.1 GB. [2020-09-25 09:12:22,846 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 140.5 MB. Free memory was 120.8 MB in the beginning and 120.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 343.52 ms. Allocated memory is still 140.5 MB. Free memory was 101.7 MB in the beginning and 90.9 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 113.88 ms. Allocated memory was 140.5 MB in the beginning and 203.9 MB in the end (delta: 63.4 MB). Free memory was 90.9 MB in the beginning and 181.5 MB in the end (delta: -90.6 MB). Peak memory consumption was 12.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 487.39 ms. Allocated memory is still 203.9 MB. Free memory was 181.5 MB in the beginning and 160.9 MB in the end (delta: 20.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 16862.98 ms. Allocated memory was 203.9 MB in the beginning and 244.3 MB in the end (delta: 40.4 MB). Free memory was 160.3 MB in the beginning and 186.0 MB in the end (delta: -25.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 97]: 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: 24]: Loop Invariant Derived loop invariant: main__x / 4294967296 * 4294967296 + (main__x / 4294967296 * -4294967296 + main__x) / 3 * 3 == main__x - InvariantResult [Line: 15]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 23]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 23]: Loop Invariant Derived loop invariant: 4294967296 * (main__x / 4294967296) + 3 * ((main__x / 4294967296 * -4294967296 + main__x) / 3) == main__x - InvariantResult [Line: 23]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: 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) == main__x - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 93 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 16.6s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 13.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 183 SDtfs, 94 SDslu, 468 SDs, 0 SdLazy, 494 SolverSat, 10 SolverUnsat, 6 SolverUnknown, 0 SolverNotchecked, 12.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 24 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=94occurred in iteration=1, 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, 137 HoareAnnotationTreeSize, 10 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 10 FomulaSimplificationsInter, 45 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 79 NumberOfCodeBlocks, 79 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 77 ConstructedInterpolants, 0 QuantifiedInterpolants, 39373 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...