/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 SequenceOfStatements --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=0.4 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/loop-industry-pattern/aiob_4.c.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 05:17:36,456 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 05:17:36,459 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 05:17:36,487 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 05:17:36,488 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 05:17:36,489 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 05:17:36,490 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 05:17:36,491 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 05:17:36,493 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 05:17:36,494 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 05:17:36,495 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 05:17:36,496 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 05:17:36,496 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 05:17:36,497 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 05:17:36,498 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 05:17:36,499 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 05:17:36,500 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 05:17:36,500 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 05:17:36,502 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 05:17:36,504 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 05:17:36,505 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 05:17:36,506 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 05:17:36,507 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 05:17:36,508 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 05:17:36,510 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 05:17:36,510 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 05:17:36,510 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 05:17:36,511 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 05:17:36,512 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 05:17:36,512 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 05:17:36,513 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 05:17:36,513 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 05:17:36,514 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 05:17:36,515 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 05:17:36,516 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 05:17:36,516 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 05:17:36,516 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 05:17:36,517 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 05:17:36,517 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 05:17:36,518 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 05:17:36,518 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 05:17:36,519 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 [2020-10-14 05:17:36,541 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 05:17:36,542 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 05:17:36,543 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 05:17:36,543 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 05:17:36,543 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 05:17:36,543 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 05:17:36,544 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 05:17:36,544 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 05:17:36,544 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 05:17:36,544 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 05:17:36,544 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 05:17:36,544 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 05:17:36,545 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 05:17:36,545 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 05:17:36,545 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 05:17:36,545 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 05:17:36,545 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 05:17:36,545 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 05:17:36,546 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 05:17:36,546 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 05:17:36,546 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 05:17:36,546 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 05:17:36,546 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 05:17:36,547 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 05:17:36,547 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 05:17:36,547 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 05:17:36,547 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 05:17:36,547 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 05:17:36,547 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 05:17:36,548 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 -> SequenceOfStatements 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=0.4;log-additional-information=true;unknown-allowed=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=0.4;log-additional-information=true;unknown-allowed=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=0.4;log-additional-information=true;unknown-allowed=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=0.4;log-additional-information=true;unknown-allowed=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=0.4;log-additional-information=true;unknown-allowed=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=0.4;log-additional-information=true;unknown-allowed=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=0.4;log-additional-information=true;unknown-allowed=true; [2020-10-14 05:17:36,825 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 05:17:36,837 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 05:17:36,841 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 05:17:36,842 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 05:17:36,842 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 05:17:36,843 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-industry-pattern/aiob_4.c.v+lhb-reducer.c [2020-10-14 05:17:36,906 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7240742da/e9207d27432449f7991d123559847daa/FLAG5bf822c8b [2020-10-14 05:17:37,441 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 05:17:37,441 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/loop-industry-pattern/aiob_4.c.v+lhb-reducer.c [2020-10-14 05:17:37,450 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7240742da/e9207d27432449f7991d123559847daa/FLAG5bf822c8b [2020-10-14 05:17:37,737 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7240742da/e9207d27432449f7991d123559847daa [2020-10-14 05:17:37,747 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 05:17:37,749 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 05:17:37,750 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 05:17:37,750 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 05:17:37,754 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 05:17:37,755 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 05:17:37" (1/1) ... [2020-10-14 05:17:37,757 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29d0212d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:17:37, skipping insertion in model container [2020-10-14 05:17:37,758 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 05:17:37" (1/1) ... [2020-10-14 05:17:37,765 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 05:17:37,816 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 05:17:38,200 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 05:17:38,210 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 05:17:38,315 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 05:17:38,332 INFO L208 MainTranslator]: Completed translation [2020-10-14 05:17:38,332 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:17:38 WrapperNode [2020-10-14 05:17:38,333 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 05:17:38,333 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 05:17:38,333 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 05:17:38,334 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 05:17:38,346 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:17:38" (1/1) ... [2020-10-14 05:17:38,347 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:17:38" (1/1) ... [2020-10-14 05:17:38,366 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:17:38" (1/1) ... [2020-10-14 05:17:38,366 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:17:38" (1/1) ... [2020-10-14 05:17:38,437 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:17:38" (1/1) ... [2020-10-14 05:17:38,443 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:17:38" (1/1) ... [2020-10-14 05:17:38,455 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:17:38" (1/1) ... [2020-10-14 05:17:38,468 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 05:17:38,471 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 05:17:38,471 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 05:17:38,471 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 05:17:38,472 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:17:38" (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 [2020-10-14 05:17:38,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 05:17:38,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 05:17:38,557 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 05:17:38,558 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 05:17:38,558 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_89 [2020-10-14 05:17:38,559 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2020-10-14 05:17:38,559 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 05:17:38,560 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-10-14 05:17:38,560 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-14 05:17:38,560 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-14 05:17:38,560 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-14 05:17:38,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-14 05:17:38,560 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-14 05:17:38,561 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 05:17:38,561 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 05:17:38,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-14 05:17:38,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-14 05:17:41,659 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 05:17:41,659 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-14 05:17:41,671 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 05:17:41 BoogieIcfgContainer [2020-10-14 05:17:41,672 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 05:17:41,673 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 05:17:41,673 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 05:17:41,677 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 05:17:41,678 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 05:17:37" (1/3) ... [2020-10-14 05:17:41,679 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35164443 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 05:17:41, skipping insertion in model container [2020-10-14 05:17:41,679 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:17:38" (2/3) ... [2020-10-14 05:17:41,680 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35164443 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 05:17:41, skipping insertion in model container [2020-10-14 05:17:41,680 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 05:17:41" (3/3) ... [2020-10-14 05:17:41,686 INFO L109 eAbstractionObserver]: Analyzing ICFG aiob_4.c.v+lhb-reducer.c [2020-10-14 05:17:41,695 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 05:17:41,702 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 05:17:41,712 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 05:17:41,735 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 05:17:41,735 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 05:17:41,735 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 05:17:41,736 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 05:17:41,736 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 05:17:41,736 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 05:17:41,736 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 05:17:41,736 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 05:17:41,753 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states. [2020-10-14 05:17:41,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-10-14 05:17:41,760 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 05:17:41,761 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, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 05:17:41,761 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 05:17:41,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 05:17:41,766 INFO L82 PathProgramCache]: Analyzing trace with hash 377540282, now seen corresponding path program 1 times [2020-10-14 05:17:41,773 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 05:17:41,773 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1667593687] [2020-10-14 05:17:41,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 05:17:42,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:17:42,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:17:44,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:17:46,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:17:47,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:17:48,192 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:17:48,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-14 05:17:48,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 05:17:48,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6010 [2020-10-14 05:17:48,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:17:48,197 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:17:48,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 05:17:48,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-14 05:17:48,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-14 05:17:48,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-14 05:17:48,728 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-14 05:17:48,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:17:48,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:17:48,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:17:48,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:17:48,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:17:48,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:17:48,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-14 05:17:48,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:17:48,762 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:17:48,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:17:48,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:17:48,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:17:48,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:17:48,787 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 05:17:48,788 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1667593687] [2020-10-14 05:17:48,790 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 05:17:48,791 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-14 05:17:48,791 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1408316675] [2020-10-14 05:17:48,796 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 05:17:48,797 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 05:17:48,812 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 05:17:48,813 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-10-14 05:17:48,816 INFO L87 Difference]: Start difference. First operand 55 states. Second operand 9 states. [2020-10-14 05:17:49,041 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-14 05:17:54,217 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 33 DAG size of output: 31 [2020-10-14 05:17:55,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 05:17:55,295 INFO L93 Difference]: Finished difference Result 77 states and 121 transitions. [2020-10-14 05:17:55,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-14 05:17:55,298 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 48 [2020-10-14 05:17:55,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 05:17:55,309 INFO L225 Difference]: With dead ends: 77 [2020-10-14 05:17:55,309 INFO L226 Difference]: Without dead ends: 56 [2020-10-14 05:17:55,313 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=75, Invalid=231, Unknown=0, NotChecked=0, Total=306 [2020-10-14 05:17:55,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2020-10-14 05:17:55,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 54. [2020-10-14 05:17:55,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2020-10-14 05:17:55,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 54 transitions. [2020-10-14 05:17:55,357 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 54 transitions. Word has length 48 [2020-10-14 05:17:55,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 05:17:55,358 INFO L479 AbstractCegarLoop]: Abstraction has 54 states and 54 transitions. [2020-10-14 05:17:55,358 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-14 05:17:55,359 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 54 transitions. [2020-10-14 05:17:55,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-10-14 05:17:55,360 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 05:17:55,361 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 05:17:55,361 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 05:17:55,361 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 05:17:55,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 05:17:55,362 INFO L82 PathProgramCache]: Analyzing trace with hash -849330057, now seen corresponding path program 1 times [2020-10-14 05:17:55,362 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 05:17:55,362 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1938453727] [2020-10-14 05:17:55,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 05:17:55,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:17:55,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:17:56,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:17:58,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:17:59,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:18:00,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:18:00,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-10-14 05:18:00,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 05:18:00,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5033 [2020-10-14 05:18:00,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:18:00,479 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:18:00,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 05:18:00,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-14 05:18:00,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-14 05:18:00,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:18:00,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:18:00,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:18:00,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:18:00,740 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:18:00,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:18:00,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:18:00,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-14 05:18:00,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:18:00,741 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:18:00,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:18:00,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:18:00,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:18:00,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:18:00,760 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 05:18:00,760 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1938453727] [2020-10-14 05:18:00,761 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 05:18:00,761 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-14 05:18:00,761 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [758904303] [2020-10-14 05:18:00,763 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 05:18:00,763 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 05:18:00,764 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 05:18:00,764 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-10-14 05:18:00,764 INFO L87 Difference]: Start difference. First operand 54 states and 54 transitions. Second operand 9 states. [2020-10-14 05:18:10,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 05:18:10,265 INFO L93 Difference]: Finished difference Result 56 states and 56 transitions. [2020-10-14 05:18:10,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-14 05:18:10,265 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 53 [2020-10-14 05:18:10,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 05:18:10,266 INFO L225 Difference]: With dead ends: 56 [2020-10-14 05:18:10,266 INFO L226 Difference]: Without dead ends: 0 [2020-10-14 05:18:10,269 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2020-10-14 05:18:10,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-14 05:18:10,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-14 05:18:10,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-14 05:18:10,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-14 05:18:10,270 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 53 [2020-10-14 05:18:10,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 05:18:10,270 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-14 05:18:10,270 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-14 05:18:10,270 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-14 05:18:10,271 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-14 05:18:10,271 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 05:18:10,273 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-14 05:18:10,564 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-14 05:18:10,565 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string0.offset| |old(#t~string0.offset)|) (= ~__tmp_1075_0~0 |old(~__tmp_1075_0~0)|) (= |old(#length)| |#length|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string0.base| |old(#t~string0.base)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |old(#valid)| |#valid|) (= |#t~string50.base| |old(#t~string50.base)|) (= ~Id_MCDC_93~0 |old(~Id_MCDC_93~0)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string1.base| |old(#t~string1.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#NULL.base| |old(#NULL.base)|) (= ~__tmp_1075_2~0.base |old(~__tmp_1075_2~0.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= ~__tmp_1075_2~0.offset |old(~__tmp_1075_2~0.offset)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= ~__return_main~0 |old(~__return_main~0)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~__tmp_1075_1~0 |old(~__tmp_1075_1~0)|) (= |#t~string1.offset| |old(#t~string1.offset)|)) [2020-10-14 05:18:10,565 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-14 05:18:10,565 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-14 05:18:10,565 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (<= ~Id_MCDC_93~0 (+ (* 4294967296 (div ~Id_MCDC_93~0 4294967296)) 41)) [2020-10-14 05:18:10,566 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-14 05:18:10,566 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-14 05:18:10,566 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 134 634) no Hoare annotation was computed. [2020-10-14 05:18:10,566 INFO L268 CegarLoopResult]: For program point L275(lines 275 568) no Hoare annotation was computed. [2020-10-14 05:18:10,566 INFO L268 CegarLoopResult]: For program point L242(lines 242 586) no Hoare annotation was computed. [2020-10-14 05:18:10,566 INFO L268 CegarLoopResult]: For program point L465(line 465) no Hoare annotation was computed. [2020-10-14 05:18:10,566 INFO L268 CegarLoopResult]: For program point L234(lines 234 592) no Hoare annotation was computed. [2020-10-14 05:18:10,567 INFO L268 CegarLoopResult]: For program point L284(lines 284 563) no Hoare annotation was computed. [2020-10-14 05:18:10,567 INFO L268 CegarLoopResult]: For program point L301(lines 301 551) no Hoare annotation was computed. [2020-10-14 05:18:10,567 INFO L268 CegarLoopResult]: For program point L268(lines 268 569) no Hoare annotation was computed. [2020-10-14 05:18:10,567 INFO L268 CegarLoopResult]: For program point L260(lines 260 575) no Hoare annotation was computed. [2020-10-14 05:18:10,567 INFO L268 CegarLoopResult]: For program point L310(lines 310 546) no Hoare annotation was computed. [2020-10-14 05:18:10,568 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 134 634) no Hoare annotation was computed. [2020-10-14 05:18:10,568 INFO L268 CegarLoopResult]: For program point L327(lines 327 534) no Hoare annotation was computed. [2020-10-14 05:18:10,568 INFO L268 CegarLoopResult]: For program point L294(lines 294 552) no Hoare annotation was computed. [2020-10-14 05:18:10,568 INFO L268 CegarLoopResult]: For program point L162(lines 162 633) no Hoare annotation was computed. [2020-10-14 05:18:10,568 INFO L268 CegarLoopResult]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 465) no Hoare annotation was computed. [2020-10-14 05:18:10,568 INFO L268 CegarLoopResult]: For program point L286(lines 286 558) no Hoare annotation was computed. [2020-10-14 05:18:10,569 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 134 634) the Hoare annotation is: (or (and (= ~__tmp_1075_2~0.offset |old(~__tmp_1075_2~0.offset)|) (= ~Id_MCDC_93~0 |old(~Id_MCDC_93~0)|) (= ~__tmp_1075_0~0 |old(~__tmp_1075_0~0)|) (= |old(#length)| |#length|) (= |old(~__tmp_1075_2~0.base)| ~__tmp_1075_2~0.base) (= |old(#valid)| |#valid|) (= ~__tmp_1075_1~0 |old(~__tmp_1075_1~0)|)) (not (<= |old(~Id_MCDC_93~0)| (+ (* 4294967296 (div |old(~Id_MCDC_93~0)| 4294967296)) 41)))) [2020-10-14 05:18:10,569 INFO L268 CegarLoopResult]: For program point L336(lines 336 529) no Hoare annotation was computed. [2020-10-14 05:18:10,569 INFO L268 CegarLoopResult]: For program point L353(lines 353 517) no Hoare annotation was computed. [2020-10-14 05:18:10,570 INFO L268 CegarLoopResult]: For program point L320(lines 320 535) no Hoare annotation was computed. [2020-10-14 05:18:10,570 INFO L268 CegarLoopResult]: For program point L312(lines 312 541) no Hoare annotation was computed. [2020-10-14 05:18:10,570 INFO L268 CegarLoopResult]: For program point L180(lines 180 631) no Hoare annotation was computed. [2020-10-14 05:18:10,570 INFO L268 CegarLoopResult]: For program point L362(lines 362 512) no Hoare annotation was computed. [2020-10-14 05:18:10,570 INFO L268 CegarLoopResult]: For program point L197(lines 197 619) no Hoare annotation was computed. [2020-10-14 05:18:10,570 INFO L268 CegarLoopResult]: For program point L379(lines 379 500) no Hoare annotation was computed. [2020-10-14 05:18:10,570 INFO L268 CegarLoopResult]: For program point L346(lines 346 518) no Hoare annotation was computed. [2020-10-14 05:18:10,571 INFO L268 CegarLoopResult]: For program point L338(lines 338 524) no Hoare annotation was computed. [2020-10-14 05:18:10,571 INFO L268 CegarLoopResult]: For program point L206(lines 206 614) no Hoare annotation was computed. [2020-10-14 05:18:10,571 INFO L268 CegarLoopResult]: For program point L421(lines 421 478) no Hoare annotation was computed. [2020-10-14 05:18:10,571 INFO L268 CegarLoopResult]: For program point L388(lines 388 495) no Hoare annotation was computed. [2020-10-14 05:18:10,571 INFO L268 CegarLoopResult]: For program point L223(lines 223 602) no Hoare annotation was computed. [2020-10-14 05:18:10,571 INFO L268 CegarLoopResult]: For program point L190(lines 190 620) no Hoare annotation was computed. [2020-10-14 05:18:10,572 INFO L264 CegarLoopResult]: At program point L446(lines 406 479) the Hoare annotation is: (or (not (<= |old(~Id_MCDC_93~0)| (+ (* 4294967296 (div |old(~Id_MCDC_93~0)| 4294967296)) 41))) (and (<= (+ (* 4294967296 (div (+ main_~Id_MCDC_89__Id_MCDC_96~0 4294967254) 4294967296)) 1) main_~Id_MCDC_89__Id_MCDC_96~0) (<= ~Id_MCDC_93~0 (+ (* 4294967296 (div ~Id_MCDC_93~0 4294967296)) 41)) (= (select (select |#memory_int| |main_~#Id_MCDC_89__Id_MCDC_95~0.base|) (+ |main_~#Id_MCDC_89__Id_MCDC_95~0.offset| 492)) 0))) [2020-10-14 05:18:10,572 INFO L268 CegarLoopResult]: For program point L182(lines 182 626) no Hoare annotation was computed. [2020-10-14 05:18:10,572 INFO L268 CegarLoopResult]: For program point L438(lines 438 451) no Hoare annotation was computed. [2020-10-14 05:18:10,572 INFO L268 CegarLoopResult]: For program point L405(lines 405 483) no Hoare annotation was computed. [2020-10-14 05:18:10,572 INFO L268 CegarLoopResult]: For program point L372(lines 372 501) no Hoare annotation was computed. [2020-10-14 05:18:10,572 INFO L268 CegarLoopResult]: For program point L463(lines 463 471) no Hoare annotation was computed. [2020-10-14 05:18:10,572 INFO L268 CegarLoopResult]: For program point L364(lines 364 507) no Hoare annotation was computed. [2020-10-14 05:18:10,573 INFO L268 CegarLoopResult]: For program point L232(lines 232 597) no Hoare annotation was computed. [2020-10-14 05:18:10,573 INFO L268 CegarLoopResult]: For program point L249(lines 249 585) no Hoare annotation was computed. [2020-10-14 05:18:10,574 INFO L268 CegarLoopResult]: For program point L216(lines 216 603) no Hoare annotation was computed. [2020-10-14 05:18:10,574 INFO L268 CegarLoopResult]: For program point L208(lines 208 609) no Hoare annotation was computed. [2020-10-14 05:18:10,574 INFO L268 CegarLoopResult]: For program point L431(lines 431 452) no Hoare annotation was computed. [2020-10-14 05:18:10,574 INFO L268 CegarLoopResult]: For program point L398(lines 398 484) no Hoare annotation was computed. [2020-10-14 05:18:10,574 INFO L268 CegarLoopResult]: For program point L423(lines 423 473) no Hoare annotation was computed. [2020-10-14 05:18:10,574 INFO L268 CegarLoopResult]: For program point L390(lines 390 490) no Hoare annotation was computed. [2020-10-14 05:18:10,574 INFO L268 CegarLoopResult]: For program point L258(lines 258 580) no Hoare annotation was computed. [2020-10-14 05:18:10,591 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 05:18:10,603 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 05:18:10,614 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 05:18:10 BoogieIcfgContainer [2020-10-14 05:18:10,614 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-14 05:18:10,620 INFO L168 Benchmark]: Toolchain (without parser) took 32866.84 ms. Allocated memory was 147.8 MB in the beginning and 545.8 MB in the end (delta: 397.9 MB). Free memory was 103.1 MB in the beginning and 239.5 MB in the end (delta: -136.3 MB). Peak memory consumption was 261.6 MB. Max. memory is 7.1 GB. [2020-10-14 05:18:10,624 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 147.8 MB. Free memory was 122.4 MB in the beginning and 122.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-10-14 05:18:10,625 INFO L168 Benchmark]: CACSL2BoogieTranslator took 582.73 ms. Allocated memory was 147.8 MB in the beginning and 205.0 MB in the end (delta: 57.1 MB). Free memory was 102.9 MB in the beginning and 173.0 MB in the end (delta: -70.1 MB). Peak memory consumption was 21.8 MB. Max. memory is 7.1 GB. [2020-10-14 05:18:10,626 INFO L168 Benchmark]: Boogie Preprocessor took 134.46 ms. Allocated memory is still 205.0 MB. Free memory was 173.0 MB in the beginning and 167.5 MB in the end (delta: 5.5 MB). Peak memory consumption was 5.5 MB. Max. memory is 7.1 GB. [2020-10-14 05:18:10,627 INFO L168 Benchmark]: RCFGBuilder took 3200.51 ms. Allocated memory was 205.0 MB in the beginning and 233.3 MB in the end (delta: 28.3 MB). Free memory was 167.5 MB in the beginning and 175.6 MB in the end (delta: -8.1 MB). Peak memory consumption was 78.3 MB. Max. memory is 7.1 GB. [2020-10-14 05:18:10,630 INFO L168 Benchmark]: TraceAbstraction took 28941.05 ms. Allocated memory was 233.3 MB in the beginning and 545.8 MB in the end (delta: 312.5 MB). Free memory was 174.3 MB in the beginning and 239.5 MB in the end (delta: -65.2 MB). Peak memory consumption was 247.3 MB. Max. memory is 7.1 GB. [2020-10-14 05:18:10,635 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 147.8 MB. Free memory was 122.4 MB in the beginning and 122.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 582.73 ms. Allocated memory was 147.8 MB in the beginning and 205.0 MB in the end (delta: 57.1 MB). Free memory was 102.9 MB in the beginning and 173.0 MB in the end (delta: -70.1 MB). Peak memory consumption was 21.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 134.46 ms. Allocated memory is still 205.0 MB. Free memory was 173.0 MB in the beginning and 167.5 MB in the end (delta: 5.5 MB). Peak memory consumption was 5.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3200.51 ms. Allocated memory was 205.0 MB in the beginning and 233.3 MB in the end (delta: 28.3 MB). Free memory was 167.5 MB in the beginning and 175.6 MB in the end (delta: -8.1 MB). Peak memory consumption was 78.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 28941.05 ms. Allocated memory was 233.3 MB in the beginning and 545.8 MB in the end (delta: 312.5 MB). Free memory was 174.3 MB in the beginning and 239.5 MB in the end (delta: -65.2 MB). Peak memory consumption was 247.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 465]: 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: 406]: Loop Invariant [2020-10-14 05:18:10,652 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 05:18:10,653 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int Derived loop invariant: !(\old(Id_MCDC_93) <= 4294967296 * (\old(Id_MCDC_93) / 4294967296) + 41) || ((4294967296 * ((Id_MCDC_89__Id_MCDC_96 + 4294967254) / 4294967296) + 1 <= Id_MCDC_89__Id_MCDC_96 && Id_MCDC_93 <= 4294967296 * (Id_MCDC_93 / 4294967296) + 41) && unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 55 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 28.5s, OverallIterations: 2, TraceHistogramMax: 2, AutomataDifference: 16.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 23 SDtfs, 146 SDslu, 74 SDs, 0 SdLazy, 618 SolverSat, 106 SolverUnsat, 6 SolverUnknown, 0 SolverNotchecked, 13.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 35 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 2.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=55occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 5 LocationsWithAnnotation, 5 PreInvPairs, 6 NumberOfFragments, 187 HoareAnnotationTreeSize, 5 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 5 FomulaSimplificationsInter, 120 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 11.9s InterpolantComputationTime, 101 NumberOfCodeBlocks, 101 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 99 ConstructedInterpolants, 0 QuantifiedInterpolants, 56057 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 0/3 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...