/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.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=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.3 --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 language data_model -i ../../../trunk/examples/svcomp/loop-industry-pattern/aiob_4.c.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-29 09:39:32,706 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-29 09:39:32,709 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-29 09:39:32,744 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-29 09:39:32,745 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-29 09:39:32,746 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-29 09:39:32,748 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-29 09:39:32,750 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-29 09:39:32,753 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-29 09:39:32,754 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-29 09:39:32,756 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-29 09:39:32,758 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-29 09:39:32,758 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-29 09:39:32,760 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-29 09:39:32,761 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-29 09:39:32,763 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-29 09:39:32,764 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-29 09:39:32,766 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-29 09:39:32,775 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-29 09:39:32,778 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-29 09:39:32,780 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-29 09:39:32,783 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-29 09:39:32,785 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-29 09:39:32,786 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-29 09:39:32,789 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-29 09:39:32,790 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-29 09:39:32,790 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-29 09:39:32,791 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-29 09:39:32,792 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-29 09:39:32,793 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-29 09:39:32,793 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-29 09:39:32,794 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-29 09:39:32,796 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-29 09:39:32,797 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-29 09:39:32,799 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-29 09:39:32,799 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-29 09:39:32,800 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-29 09:39:32,800 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-29 09:39:32,801 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-29 09:39:32,802 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-29 09:39:32,803 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-29 09:39:32,804 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 [2020-10-29 09:39:32,831 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-29 09:39:32,832 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-29 09:39:32,833 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-29 09:39:32,834 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-29 09:39:32,834 INFO L138 SettingsManager]: * Use SBE=true [2020-10-29 09:39:32,834 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-29 09:39:32,834 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-29 09:39:32,834 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-29 09:39:32,835 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-29 09:39:32,835 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-29 09:39:32,835 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-29 09:39:32,835 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-29 09:39:32,835 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-29 09:39:32,835 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-29 09:39:32,836 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-29 09:39:32,836 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-29 09:39:32,836 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-29 09:39:32,836 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-29 09:39:32,836 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-29 09:39:32,837 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-29 09:39:32,837 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-29 09:39:32,837 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 09:39:32,837 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-29 09:39:32,837 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-29 09:39:32,838 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-29 09:39:32,838 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-29 09:39:32,838 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-29 09:39:32,838 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-29 09:39:32,838 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-29 09:39:32,839 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true;unknown-allowed=true; [2020-10-29 09:39:33,205 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-29 09:39:33,239 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-29 09:39:33,243 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-29 09:39:33,245 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-29 09:39:33,245 INFO L275 PluginConnector]: CDTParser initialized [2020-10-29 09:39:33,248 INFO L432 ainManager$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 [2020-10-29 09:39:33,331 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/85c375b4b/4de6f5800c5442df9e049fa70c02e758/FLAG66954b49c [2020-10-29 09:39:34,150 INFO L306 CDTParser]: Found 1 translation units. [2020-10-29 09:39:34,151 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/loop-industry-pattern/aiob_4.c.v+lhb-reducer.c [2020-10-29 09:39:34,165 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/85c375b4b/4de6f5800c5442df9e049fa70c02e758/FLAG66954b49c [2020-10-29 09:39:34,395 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/85c375b4b/4de6f5800c5442df9e049fa70c02e758 [2020-10-29 09:39:34,400 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-29 09:39:34,407 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-29 09:39:34,409 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-29 09:39:34,409 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-29 09:39:34,420 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-29 09:39:34,421 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 09:39:34" (1/1) ... [2020-10-29 09:39:34,426 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56597449 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:39:34, skipping insertion in model container [2020-10-29 09:39:34,426 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 09:39:34" (1/1) ... [2020-10-29 09:39:34,434 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-29 09:39:34,475 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-29 09:39:34,800 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 09:39:34,811 INFO L203 MainTranslator]: Completed pre-run [2020-10-29 09:39:34,948 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 09:39:34,972 INFO L208 MainTranslator]: Completed translation [2020-10-29 09:39:34,972 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:39:34 WrapperNode [2020-10-29 09:39:34,973 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-29 09:39:34,974 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-29 09:39:34,974 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-29 09:39:34,974 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-29 09:39:34,985 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:39:34" (1/1) ... [2020-10-29 09:39:34,985 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:39:34" (1/1) ... [2020-10-29 09:39:35,005 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:39:34" (1/1) ... [2020-10-29 09:39:35,006 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:39:34" (1/1) ... [2020-10-29 09:39:35,054 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:39:34" (1/1) ... [2020-10-29 09:39:35,061 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:39:34" (1/1) ... [2020-10-29 09:39:35,066 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:39:34" (1/1) ... [2020-10-29 09:39:35,077 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-29 09:39:35,078 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-29 09:39:35,078 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-29 09:39:35,078 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-29 09:39:35,079 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:39:34" (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 [2020-10-29 09:39:35,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-29 09:39:35,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-29 09:39:35,171 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-29 09:39:35,171 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-29 09:39:35,171 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-29 09:39:35,171 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-29 09:39:35,172 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-29 09:39:35,172 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-29 09:39:35,172 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_89 [2020-10-29 09:39:35,172 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2020-10-29 09:39:35,172 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-29 09:39:35,172 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-10-29 09:39:35,172 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-29 09:39:35,173 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-29 09:39:35,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-29 09:39:35,173 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-29 09:39:35,173 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-29 09:39:35,173 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-29 09:39:35,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-29 09:39:35,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-29 09:39:38,568 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-29 09:39:38,568 INFO L298 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-29 09:39:38,570 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 09:39:38 BoogieIcfgContainer [2020-10-29 09:39:38,570 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-29 09:39:38,572 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-29 09:39:38,573 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-29 09:39:38,576 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-29 09:39:38,576 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 09:39:34" (1/3) ... [2020-10-29 09:39:38,577 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70055ba7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 09:39:38, skipping insertion in model container [2020-10-29 09:39:38,578 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:39:34" (2/3) ... [2020-10-29 09:39:38,578 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70055ba7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 09:39:38, skipping insertion in model container [2020-10-29 09:39:38,578 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 09:39:38" (3/3) ... [2020-10-29 09:39:38,580 INFO L111 eAbstractionObserver]: Analyzing ICFG aiob_4.c.v+lhb-reducer.c [2020-10-29 09:39:38,592 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-29 09:39:38,598 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-29 09:39:38,612 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-29 09:39:38,640 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-29 09:39:38,640 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-29 09:39:38,640 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-29 09:39:38,641 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-29 09:39:38,641 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-29 09:39:38,641 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-29 09:39:38,641 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-29 09:39:38,641 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-29 09:39:38,660 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states. [2020-10-29 09:39:38,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-10-29 09:39:38,667 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 09:39:38,668 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, 1] [2020-10-29 09:39:38,669 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 09:39:38,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 09:39:38,675 INFO L82 PathProgramCache]: Analyzing trace with hash 1601034307, now seen corresponding path program 1 times [2020-10-29 09:39:38,685 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 09:39:38,686 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [443350878] [2020-10-29 09:39:38,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 09:39:39,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:39:39,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:39:40,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:39:41,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:39:44,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:39:44,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-29 09:39:44,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 09:39:44,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5080 [2020-10-29 09:39:44,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:39:44,236 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:39:44,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 09:39:44,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-29 09:39:44,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-29 09:39:44,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-10-29 09:39:44,649 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 28 [2020-10-29 09:39:44,895 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-29 09:39:44,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 09:39:44,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:39:44,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:39:44,938 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:39:44,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 09:39:44,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:39:44,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-29 09:39:44,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:39:44,939 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:39:44,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:39:44,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:39:44,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:39:44,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 09:39:44,972 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 09:39:44,972 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [443350878] [2020-10-29 09:39:44,975 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 09:39:44,975 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-29 09:39:44,976 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [559322077] [2020-10-29 09:39:44,981 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-29 09:39:44,981 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 09:39:44,996 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-29 09:39:44,997 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-10-29 09:39:44,999 INFO L87 Difference]: Start difference. First operand 59 states. Second operand 9 states. [2020-10-29 09:39:45,288 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-29 09:39:50,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 09:39:50,580 INFO L93 Difference]: Finished difference Result 80 states and 125 transitions. [2020-10-29 09:39:50,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-29 09:39:50,582 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 49 [2020-10-29 09:39:50,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 09:39:50,591 INFO L225 Difference]: With dead ends: 80 [2020-10-29 09:39:50,591 INFO L226 Difference]: Without dead ends: 57 [2020-10-29 09:39:50,595 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=74, Invalid=232, Unknown=0, NotChecked=0, Total=306 [2020-10-29 09:39:50,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2020-10-29 09:39:50,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 55. [2020-10-29 09:39:50,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2020-10-29 09:39:50,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 55 transitions. [2020-10-29 09:39:50,640 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 55 transitions. Word has length 49 [2020-10-29 09:39:50,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 09:39:50,641 INFO L481 AbstractCegarLoop]: Abstraction has 55 states and 55 transitions. [2020-10-29 09:39:50,641 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-29 09:39:50,641 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 55 transitions. [2020-10-29 09:39:50,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-10-29 09:39:50,643 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 09:39:50,643 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, 1] [2020-10-29 09:39:50,643 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-29 09:39:50,644 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 09:39:50,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 09:39:50,644 INFO L82 PathProgramCache]: Analyzing trace with hash -1694238209, now seen corresponding path program 1 times [2020-10-29 09:39:50,645 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 09:39:50,645 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [745544389] [2020-10-29 09:39:50,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 09:39:50,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:39:50,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:39:51,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:39:52,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:39:55,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:39:56,341 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:39:56,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-29 09:39:56,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 09:39:56,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5620 [2020-10-29 09:39:56,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:39:56,345 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:39:56,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 09:39:56,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-29 09:39:56,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-29 09:39:56,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-29 09:39:56,582 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 30 [2020-10-29 09:39:56,956 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-29 09:39:56,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 09:39:56,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:39:56,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:39:56,994 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:39:56,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 09:39:56,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:39:56,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-29 09:39:56,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:39:56,999 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:39:56,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:39:57,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:39:57,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:39:57,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 09:39:57,029 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 09:39:57,030 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [745544389] [2020-10-29 09:39:57,030 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 09:39:57,031 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-29 09:39:57,031 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [139751391] [2020-10-29 09:39:57,035 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-29 09:39:57,035 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 09:39:57,036 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-29 09:39:57,036 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-10-29 09:39:57,037 INFO L87 Difference]: Start difference. First operand 55 states and 55 transitions. Second operand 9 states. [2020-10-29 09:39:57,327 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-29 09:40:01,519 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 31 [2020-10-29 09:40:05,079 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 37 [2020-10-29 09:40:05,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 09:40:05,095 INFO L93 Difference]: Finished difference Result 57 states and 57 transitions. [2020-10-29 09:40:05,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-29 09:40:05,096 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 54 [2020-10-29 09:40:05,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 09:40:05,098 INFO L225 Difference]: With dead ends: 57 [2020-10-29 09:40:05,098 INFO L226 Difference]: Without dead ends: 0 [2020-10-29 09:40:05,100 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=77, Invalid=195, Unknown=0, NotChecked=0, Total=272 [2020-10-29 09:40:05,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-29 09:40:05,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-29 09:40:05,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-29 09:40:05,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-29 09:40:05,101 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 54 [2020-10-29 09:40:05,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 09:40:05,101 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-29 09:40:05,101 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-29 09:40:05,101 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-29 09:40:05,101 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-29 09:40:05,102 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-29 09:40:05,104 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-29 09:40:05,341 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 30 [2020-10-29 09:40:05,524 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-29 09:40:05,553 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-10-29 09:40:05,553 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-10-29 09:40:05,553 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-10-29 09:40:05,554 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-29 09:40:05,554 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-29 09:40:05,554 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= ~__tmp_1075_0~0 |old(~__tmp_1075_0~0)|) (= |old(#length)| |#length|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |old(#valid)| |#valid|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= ~Id_MCDC_93~0 |old(~Id_MCDC_93~0)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string69.base| |old(#t~string69.base)|) (= ~__tmp_1075_2~0.base |old(~__tmp_1075_2~0.base)|) (= |#t~string7.base| |old(#t~string7.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |#t~string53.base| |old(#t~string53.base)|) (= |#t~string51.base| |old(#t~string51.base)|) (= |#t~string63.base| |old(#t~string63.base)|) (= ~__tmp_1075_2~0.offset |old(~__tmp_1075_2~0.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= ~__return_main~0 |old(~__return_main~0)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~__tmp_1075_1~0 |old(~__tmp_1075_1~0)|)) [2020-10-29 09:40:05,554 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-29 09:40:05,554 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-29 09:40:05,554 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (<= ~Id_MCDC_93~0 (+ (* 4294967296 (div ~Id_MCDC_93~0 4294967296)) 41)) [2020-10-29 09:40:05,555 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-29 09:40:05,555 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-29 09:40:05,555 INFO L274 CegarLoopResult]: For program point L225(lines 225 604) no Hoare annotation was computed. [2020-10-29 09:40:05,555 INFO L274 CegarLoopResult]: For program point L192(lines 192 622) no Hoare annotation was computed. [2020-10-29 09:40:05,555 INFO L270 CegarLoopResult]: At program point L448(lines 408 481) 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))) [2020-10-29 09:40:05,555 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 136 636) no Hoare annotation was computed. [2020-10-29 09:40:05,555 INFO L274 CegarLoopResult]: For program point L184(lines 184 628) no Hoare annotation was computed. [2020-10-29 09:40:05,555 INFO L274 CegarLoopResult]: For program point L440(lines 440 453) no Hoare annotation was computed. [2020-10-29 09:40:05,556 INFO L274 CegarLoopResult]: For program point L407(lines 407 485) no Hoare annotation was computed. [2020-10-29 09:40:05,556 INFO L274 CegarLoopResult]: For program point L374(lines 374 503) no Hoare annotation was computed. [2020-10-29 09:40:05,556 INFO L274 CegarLoopResult]: For program point L465(lines 465 473) no Hoare annotation was computed. [2020-10-29 09:40:05,556 INFO L274 CegarLoopResult]: For program point L366(lines 366 509) no Hoare annotation was computed. [2020-10-29 09:40:05,556 INFO L274 CegarLoopResult]: For program point L234(lines 234 599) no Hoare annotation was computed. [2020-10-29 09:40:05,556 INFO L274 CegarLoopResult]: For program point L251(lines 251 587) no Hoare annotation was computed. [2020-10-29 09:40:05,556 INFO L274 CegarLoopResult]: For program point L218(lines 218 605) no Hoare annotation was computed. [2020-10-29 09:40:05,556 INFO L274 CegarLoopResult]: For program point L210(lines 210 611) no Hoare annotation was computed. [2020-10-29 09:40:05,557 INFO L274 CegarLoopResult]: For program point L433(lines 433 454) no Hoare annotation was computed. [2020-10-29 09:40:05,557 INFO L274 CegarLoopResult]: For program point L400(lines 400 486) no Hoare annotation was computed. [2020-10-29 09:40:05,557 INFO L274 CegarLoopResult]: For program point L425(lines 425 475) no Hoare annotation was computed. [2020-10-29 09:40:05,557 INFO L274 CegarLoopResult]: For program point L392(lines 392 492) no Hoare annotation was computed. [2020-10-29 09:40:05,557 INFO L274 CegarLoopResult]: For program point L260(lines 260 582) no Hoare annotation was computed. [2020-10-29 09:40:05,557 INFO L274 CegarLoopResult]: For program point L277(lines 277 570) no Hoare annotation was computed. [2020-10-29 09:40:05,557 INFO L274 CegarLoopResult]: For program point L244(lines 244 588) no Hoare annotation was computed. [2020-10-29 09:40:05,558 INFO L270 CegarLoopResult]: At program point L467(line 467) the Hoare annotation is: (not (<= |old(~Id_MCDC_93~0)| (+ (* 4294967296 (div |old(~Id_MCDC_93~0)| 4294967296)) 41))) [2020-10-29 09:40:05,558 INFO L274 CegarLoopResult]: For program point L467-1(line 467) no Hoare annotation was computed. [2020-10-29 09:40:05,558 INFO L274 CegarLoopResult]: For program point mainFINAL(lines 136 636) no Hoare annotation was computed. [2020-10-29 09:40:05,558 INFO L274 CegarLoopResult]: For program point L236(lines 236 594) no Hoare annotation was computed. [2020-10-29 09:40:05,558 INFO L274 CegarLoopResult]: For program point L286(lines 286 565) no Hoare annotation was computed. [2020-10-29 09:40:05,558 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 136 636) 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)))) [2020-10-29 09:40:05,559 INFO L274 CegarLoopResult]: For program point L303(lines 303 553) no Hoare annotation was computed. [2020-10-29 09:40:05,559 INFO L274 CegarLoopResult]: For program point L270(lines 270 571) no Hoare annotation was computed. [2020-10-29 09:40:05,559 INFO L274 CegarLoopResult]: For program point L262(lines 262 577) no Hoare annotation was computed. [2020-10-29 09:40:05,559 INFO L274 CegarLoopResult]: For program point L312(lines 312 548) no Hoare annotation was computed. [2020-10-29 09:40:05,559 INFO L274 CegarLoopResult]: For program point L329(lines 329 536) no Hoare annotation was computed. [2020-10-29 09:40:05,559 INFO L274 CegarLoopResult]: For program point L296(lines 296 554) no Hoare annotation was computed. [2020-10-29 09:40:05,559 INFO L274 CegarLoopResult]: For program point L164(lines 164 635) no Hoare annotation was computed. [2020-10-29 09:40:05,559 INFO L274 CegarLoopResult]: For program point L288(lines 288 560) no Hoare annotation was computed. [2020-10-29 09:40:05,560 INFO L274 CegarLoopResult]: For program point L338(lines 338 531) no Hoare annotation was computed. [2020-10-29 09:40:05,560 INFO L274 CegarLoopResult]: For program point L355(lines 355 519) no Hoare annotation was computed. [2020-10-29 09:40:05,560 INFO L274 CegarLoopResult]: For program point L322(lines 322 537) no Hoare annotation was computed. [2020-10-29 09:40:05,560 INFO L274 CegarLoopResult]: For program point L314(lines 314 543) no Hoare annotation was computed. [2020-10-29 09:40:05,560 INFO L274 CegarLoopResult]: For program point L182(lines 182 633) no Hoare annotation was computed. [2020-10-29 09:40:05,560 INFO L274 CegarLoopResult]: For program point L364(lines 364 514) no Hoare annotation was computed. [2020-10-29 09:40:05,560 INFO L274 CegarLoopResult]: For program point L199(lines 199 621) no Hoare annotation was computed. [2020-10-29 09:40:05,560 INFO L274 CegarLoopResult]: For program point L381(lines 381 502) no Hoare annotation was computed. [2020-10-29 09:40:05,560 INFO L274 CegarLoopResult]: For program point L348(lines 348 520) no Hoare annotation was computed. [2020-10-29 09:40:05,561 INFO L274 CegarLoopResult]: For program point L340(lines 340 526) no Hoare annotation was computed. [2020-10-29 09:40:05,561 INFO L274 CegarLoopResult]: For program point L208(lines 208 616) no Hoare annotation was computed. [2020-10-29 09:40:05,561 INFO L274 CegarLoopResult]: For program point L423(lines 423 480) no Hoare annotation was computed. [2020-10-29 09:40:05,561 INFO L274 CegarLoopResult]: For program point L390(lines 390 497) no Hoare annotation was computed. [2020-10-29 09:40:05,572 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:40:05,579 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:40:05,582 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 09:40:05 BoogieIcfgContainer [2020-10-29 09:40:05,582 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-29 09:40:05,584 INFO L168 Benchmark]: Toolchain (without parser) took 31181.85 ms. Allocated memory was 164.6 MB in the beginning and 453.0 MB in the end (delta: 288.4 MB). Free memory was 138.2 MB in the beginning and 418.0 MB in the end (delta: -279.8 MB). Peak memory consumption was 270.0 MB. Max. memory is 8.0 GB. [2020-10-29 09:40:05,585 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 164.6 MB. Free memory is still 136.6 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-29 09:40:05,585 INFO L168 Benchmark]: CACSL2BoogieTranslator took 564.19 ms. Allocated memory is still 164.6 MB. Free memory was 137.6 MB in the beginning and 118.0 MB in the end (delta: 19.6 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. [2020-10-29 09:40:05,586 INFO L168 Benchmark]: Boogie Preprocessor took 103.79 ms. Allocated memory is still 164.6 MB. Free memory was 118.0 MB in the beginning and 113.1 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2020-10-29 09:40:05,588 INFO L168 Benchmark]: RCFGBuilder took 3492.35 ms. Allocated memory was 164.6 MB in the beginning and 198.2 MB in the end (delta: 33.6 MB). Free memory was 113.0 MB in the beginning and 172.5 MB in the end (delta: -59.5 MB). Peak memory consumption was 63.5 MB. Max. memory is 8.0 GB. [2020-10-29 09:40:05,589 INFO L168 Benchmark]: TraceAbstraction took 27009.61 ms. Allocated memory was 198.2 MB in the beginning and 453.0 MB in the end (delta: 254.8 MB). Free memory was 172.0 MB in the beginning and 418.0 MB in the end (delta: -246.0 MB). Peak memory consumption was 269.3 MB. Max. memory is 8.0 GB. [2020-10-29 09:40:05,593 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 164.6 MB. Free memory is still 136.6 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 564.19 ms. Allocated memory is still 164.6 MB. Free memory was 137.6 MB in the beginning and 118.0 MB in the end (delta: 19.6 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 103.79 ms. Allocated memory is still 164.6 MB. Free memory was 118.0 MB in the beginning and 113.1 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 3492.35 ms. Allocated memory was 164.6 MB in the beginning and 198.2 MB in the end (delta: 33.6 MB). Free memory was 113.0 MB in the beginning and 172.5 MB in the end (delta: -59.5 MB). Peak memory consumption was 63.5 MB. Max. memory is 8.0 GB. * TraceAbstraction took 27009.61 ms. Allocated memory was 198.2 MB in the beginning and 453.0 MB in the end (delta: 254.8 MB). Free memory was 172.0 MB in the beginning and 418.0 MB in the end (delta: -246.0 MB). Peak memory consumption was 269.3 MB. Max. memory is 8.0 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: 4]: 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: 408]: Loop Invariant [2020-10-29 09:40:05,603 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:40:05,603 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 4 procedures, 59 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 26.4s, OverallIterations: 2, TraceHistogramMax: 2, AutomataDifference: 13.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 43 SDtfs, 132 SDslu, 153 SDs, 0 SdLazy, 593 SolverSat, 90 SolverUnsat, 5 SolverUnknown, 0 SolverNotchecked, 11.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 37 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 2.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=59occurred 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, 7 LocationsWithAnnotation, 8 PreInvPairs, 8 NumberOfFragments, 216 HoareAnnotationTreeSize, 8 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 108 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 12.0s InterpolantComputationTime, 103 NumberOfCodeBlocks, 103 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 101 ConstructedInterpolants, 0 QuantifiedInterpolants, 65419 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...