/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.6 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-regression/oomInt.c_1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 06:39:57,996 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 06:39:58,001 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 06:39:58,048 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 06:39:58,049 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 06:39:58,059 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 06:39:58,062 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 06:39:58,066 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 06:39:58,068 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 06:39:58,072 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 06:39:58,073 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 06:39:58,074 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 06:39:58,074 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 06:39:58,077 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 06:39:58,081 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 06:39:58,084 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 06:39:58,086 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 06:39:58,087 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 06:39:58,088 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 06:39:58,096 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 06:39:58,099 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 06:39:58,100 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 06:39:58,101 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 06:39:58,102 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 06:39:58,106 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 06:39:58,106 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 06:39:58,106 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 06:39:58,109 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 06:39:58,110 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 06:39:58,111 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 06:39:58,112 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 06:39:58,113 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 06:39:58,114 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 06:39:58,115 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 06:39:58,116 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 06:39:58,116 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 06:39:58,117 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 06:39:58,117 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 06:39:58,117 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 06:39:58,118 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 06:39:58,120 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 06:39:58,121 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-25 06:39:58,158 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 06:39:58,158 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 06:39:58,160 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 06:39:58,160 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 06:39:58,160 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 06:39:58,161 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 06:39:58,161 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 06:39:58,161 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 06:39:58,161 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 06:39:58,161 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 06:39:58,162 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 06:39:58,162 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 06:39:58,162 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 06:39:58,162 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 06:39:58,162 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 06:39:58,163 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 06:39:58,163 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 06:39:58,163 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 06:39:58,163 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 06:39:58,163 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 06:39:58,164 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 06:39:58,164 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 06:39:58,164 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 06:39:58,164 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 06:39:58,164 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 06:39:58,165 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 06:39:58,165 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 06:39:58,165 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 06:39:58,165 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 06:39:58,165 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true; [2020-09-25 06:39:58,655 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 06:39:58,681 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 06:39:58,686 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 06:39:58,688 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 06:39:58,688 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 06:39:58,689 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/oomInt.c_1.i [2020-09-25 06:39:58,786 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/939c4243b/7a885a6eff114455bd03ce8b6ad544ec/FLAG0d3f29134 [2020-09-25 06:39:59,337 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 06:39:59,338 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-regression/oomInt.c_1.i [2020-09-25 06:39:59,345 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/939c4243b/7a885a6eff114455bd03ce8b6ad544ec/FLAG0d3f29134 [2020-09-25 06:39:59,687 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/939c4243b/7a885a6eff114455bd03ce8b6ad544ec [2020-09-25 06:39:59,700 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 06:39:59,705 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 06:39:59,707 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 06:39:59,707 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 06:39:59,712 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 06:39:59,713 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 06:39:59" (1/1) ... [2020-09-25 06:39:59,718 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bac8629 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:39:59, skipping insertion in model container [2020-09-25 06:39:59,718 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 06:39:59" (1/1) ... [2020-09-25 06:39:59,729 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 06:39:59,764 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 06:39:59,987 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 06:39:59,995 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 06:40:00,012 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 06:40:00,029 INFO L208 MainTranslator]: Completed translation [2020-09-25 06:40:00,029 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:40:00 WrapperNode [2020-09-25 06:40:00,029 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 06:40:00,030 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 06:40:00,031 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 06:40:00,031 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 06:40:00,045 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:40:00" (1/1) ... [2020-09-25 06:40:00,045 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:40:00" (1/1) ... [2020-09-25 06:40:00,051 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:40:00" (1/1) ... [2020-09-25 06:40:00,052 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:40:00" (1/1) ... [2020-09-25 06:40:00,056 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:40:00" (1/1) ... [2020-09-25 06:40:00,058 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:40:00" (1/1) ... [2020-09-25 06:40:00,059 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:40:00" (1/1) ... [2020-09-25 06:40:00,061 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 06:40:00,061 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 06:40:00,062 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 06:40:00,062 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 06:40:00,063 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:40:00" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 06:40:00,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 06:40:00,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 06:40:00,223 INFO L138 BoogieDeclarations]: Found implementation of procedure __blast_assert [2020-09-25 06:40:00,223 INFO L138 BoogieDeclarations]: Found implementation of procedure abs_int [2020-09-25 06:40:00,223 INFO L138 BoogieDeclarations]: Found implementation of procedure firstFunction [2020-09-25 06:40:00,223 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 06:40:00,223 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 06:40:00,224 INFO L130 BoogieDeclarations]: Found specification of procedure __blast_assert [2020-09-25 06:40:00,224 INFO L130 BoogieDeclarations]: Found specification of procedure abs_int [2020-09-25 06:40:00,224 INFO L130 BoogieDeclarations]: Found specification of procedure firstFunction [2020-09-25 06:40:00,224 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 06:40:00,225 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 06:40:00,225 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 06:40:00,428 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 06:40:00,428 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-09-25 06:40:00,433 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 06:40:00 BoogieIcfgContainer [2020-09-25 06:40:00,434 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 06:40:00,435 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 06:40:00,435 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 06:40:00,440 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 06:40:00,440 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 06:39:59" (1/3) ... [2020-09-25 06:40:00,441 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17954d77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 06:40:00, skipping insertion in model container [2020-09-25 06:40:00,441 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:40:00" (2/3) ... [2020-09-25 06:40:00,442 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17954d77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 06:40:00, skipping insertion in model container [2020-09-25 06:40:00,442 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 06:40:00" (3/3) ... [2020-09-25 06:40:00,444 INFO L109 eAbstractionObserver]: Analyzing ICFG oomInt.c_1.i [2020-09-25 06:40:00,458 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 06:40:00,469 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 06:40:00,497 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 06:40:00,537 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 06:40:00,538 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 06:40:00,538 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 06:40:00,538 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 06:40:00,538 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 06:40:00,539 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 06:40:00,539 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 06:40:00,539 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 06:40:00,566 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states. [2020-09-25 06:40:00,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-09-25 06:40:00,576 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 06:40:00,577 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 06:40:00,578 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 06:40:00,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 06:40:00,587 INFO L82 PathProgramCache]: Analyzing trace with hash -874370234, now seen corresponding path program 1 times [2020-09-25 06:40:00,598 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 06:40:00,599 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [995676107] [2020-09-25 06:40:00,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 06:40:00,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:40:00,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:40:00,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:40:00,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:40:00,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-09-25 06:40:00,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 06:40:00,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 167 [2020-09-25 06:40:00,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:40:00,901 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:40:00,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 06:40:00,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 06:40:00,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-25 06:40:00,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 06:40:01,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:40:01,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:40:01,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:40:01,040 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:40:01,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 06:40:01,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:40:01,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 06:40:01,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:40:01,041 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:40:01,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:40:01,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:40:01,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:40:01,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:40:01,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-25 06:40:01,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:40:01,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:40:01,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:40:01,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:40:01,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:40:01,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-09-25 06:40:01,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:40:01,125 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:40:01,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 06:40:01,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:40:01,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 06:40:01,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 06:40:01,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 06:40:01,193 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [995676107] [2020-09-25 06:40:01,196 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 06:40:01,196 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-25 06:40:01,197 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1899601270] [2020-09-25 06:40:01,204 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-25 06:40:01,205 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 06:40:01,223 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-25 06:40:01,224 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-09-25 06:40:01,227 INFO L87 Difference]: Start difference. First operand 28 states. Second operand 7 states. [2020-09-25 06:40:01,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 06:40:01,498 INFO L93 Difference]: Finished difference Result 49 states and 50 transitions. [2020-09-25 06:40:01,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-09-25 06:40:01,502 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 18 [2020-09-25 06:40:01,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 06:40:01,519 INFO L225 Difference]: With dead ends: 49 [2020-09-25 06:40:01,519 INFO L226 Difference]: Without dead ends: 19 [2020-09-25 06:40:01,531 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-09-25 06:40:01,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2020-09-25 06:40:01,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2020-09-25 06:40:01,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2020-09-25 06:40:01,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 18 transitions. [2020-09-25 06:40:01,582 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 18 transitions. Word has length 18 [2020-09-25 06:40:01,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 06:40:01,583 INFO L479 AbstractCegarLoop]: Abstraction has 19 states and 18 transitions. [2020-09-25 06:40:01,583 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-25 06:40:01,583 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 18 transitions. [2020-09-25 06:40:01,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-09-25 06:40:01,584 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 06:40:01,584 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 06:40:01,584 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 06:40:01,585 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 06:40:01,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 06:40:01,585 INFO L82 PathProgramCache]: Analyzing trace with hash -587338874, now seen corresponding path program 1 times [2020-09-25 06:40:01,586 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 06:40:01,586 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [509626866] [2020-09-25 06:40:01,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 06:40:01,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:40:01,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:40:01,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:40:01,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:40:01,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-09-25 06:40:01,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 06:40:01,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 153 [2020-09-25 06:40:01,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:40:01,753 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:40:01,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-25 06:40:01,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 06:40:01,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 06:40:01,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 06:40:01,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:40:01,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:40:01,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:40:01,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:40:01,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 06:40:01,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:40:01,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 06:40:01,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:40:01,786 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:40:01,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:40:01,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:40:01,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:40:01,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:40:01,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-25 06:40:01,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:40:01,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:40:01,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:40:01,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:40:01,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:40:01,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 06:40:01,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:40:01,804 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:40:01,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-25 06:40:01,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-25 06:40:01,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 06:40:01,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:40:01,837 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 06:40:01,837 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [509626866] [2020-09-25 06:40:01,838 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 06:40:01,843 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 06:40:01,843 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [17870583] [2020-09-25 06:40:01,845 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 06:40:01,845 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 06:40:01,846 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 06:40:01,846 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-09-25 06:40:01,846 INFO L87 Difference]: Start difference. First operand 19 states and 18 transitions. Second operand 5 states. [2020-09-25 06:40:01,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 06:40:01,901 INFO L93 Difference]: Finished difference Result 19 states and 18 transitions. [2020-09-25 06:40:01,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-25 06:40:01,902 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2020-09-25 06:40:01,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 06:40:01,902 INFO L225 Difference]: With dead ends: 19 [2020-09-25 06:40:01,903 INFO L226 Difference]: Without dead ends: 0 [2020-09-25 06:40:01,905 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-09-25 06:40:01,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-25 06:40:01,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-25 06:40:01,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-25 06:40:01,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-25 06:40:01,906 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18 [2020-09-25 06:40:01,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 06:40:01,906 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-25 06:40:01,906 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 06:40:01,907 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-25 06:40:01,907 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-25 06:40:01,908 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 06:40:01,911 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-25 06:40:01,952 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-25 06:40:01,952 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~p~0 |old(~p~0)|) [2020-09-25 06:40:01,953 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-25 06:40:01,953 INFO L268 CegarLoopResult]: For program point __blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 7) no Hoare annotation was computed. [2020-09-25 06:40:01,953 INFO L268 CegarLoopResult]: For program point __blast_assertEXIT(lines 5 8) no Hoare annotation was computed. [2020-09-25 06:40:01,953 INFO L268 CegarLoopResult]: For program point __blast_assertFINAL(lines 5 8) no Hoare annotation was computed. [2020-09-25 06:40:01,954 INFO L271 CegarLoopResult]: At program point __blast_assertENTRY(lines 5 8) the Hoare annotation is: true [2020-09-25 06:40:01,955 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-25 06:40:01,955 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-09-25 06:40:01,955 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-25 06:40:01,955 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-25 06:40:01,956 INFO L268 CegarLoopResult]: For program point L17(lines 17 23) no Hoare annotation was computed. [2020-09-25 06:40:01,956 INFO L268 CegarLoopResult]: For program point abs_intEXIT(lines 15 24) no Hoare annotation was computed. [2020-09-25 06:40:01,956 INFO L268 CegarLoopResult]: For program point L23(line 23) no Hoare annotation was computed. [2020-09-25 06:40:01,956 INFO L268 CegarLoopResult]: For program point L21(line 21) no Hoare annotation was computed. [2020-09-25 06:40:01,957 INFO L271 CegarLoopResult]: At program point abs_intENTRY(lines 15 24) the Hoare annotation is: true [2020-09-25 06:40:01,957 INFO L268 CegarLoopResult]: For program point abs_intFINAL(lines 15 24) no Hoare annotation was computed. [2020-09-25 06:40:01,957 INFO L268 CegarLoopResult]: For program point L29(line 29) no Hoare annotation was computed. [2020-09-25 06:40:01,957 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-09-25 06:40:01,957 INFO L264 CegarLoopResult]: At program point firstFunctionENTRY(lines 26 30) the Hoare annotation is: (= ~p~0 |old(~p~0)|) [2020-09-25 06:40:01,958 INFO L268 CegarLoopResult]: For program point L28-1(line 28) no Hoare annotation was computed. [2020-09-25 06:40:01,958 INFO L264 CegarLoopResult]: At program point L29-2(line 29) the Hoare annotation is: false [2020-09-25 06:40:01,958 INFO L268 CegarLoopResult]: For program point L28-2(line 28) no Hoare annotation was computed. [2020-09-25 06:40:01,958 INFO L268 CegarLoopResult]: For program point L29-3(lines 26 30) no Hoare annotation was computed. [2020-09-25 06:40:01,958 INFO L268 CegarLoopResult]: For program point firstFunctionEXIT(lines 26 30) no Hoare annotation was computed. [2020-09-25 06:40:01,958 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 32 35) the Hoare annotation is: (= ~p~0 |old(~p~0)|) [2020-09-25 06:40:01,959 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 32 35) no Hoare annotation was computed. [2020-09-25 06:40:01,959 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 32 35) no Hoare annotation was computed. [2020-09-25 06:40:01,972 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.09 06:40:01 BoogieIcfgContainer [2020-09-25 06:40:01,972 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-25 06:40:01,979 INFO L168 Benchmark]: Toolchain (without parser) took 2271.95 ms. Allocated memory was 141.0 MB in the beginning and 204.5 MB in the end (delta: 63.4 MB). Free memory was 103.1 MB in the beginning and 98.7 MB in the end (delta: 4.4 MB). Peak memory consumption was 67.8 MB. Max. memory is 7.1 GB. [2020-09-25 06:40:01,980 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 141.0 MB. Free memory was 121.3 MB in the beginning and 120.9 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. [2020-09-25 06:40:01,981 INFO L168 Benchmark]: CACSL2BoogieTranslator took 323.44 ms. Allocated memory is still 141.0 MB. Free memory was 102.3 MB in the beginning and 92.8 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. [2020-09-25 06:40:01,982 INFO L168 Benchmark]: Boogie Preprocessor took 30.75 ms. Allocated memory is still 141.0 MB. Free memory was 92.8 MB in the beginning and 91.5 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2020-09-25 06:40:01,983 INFO L168 Benchmark]: RCFGBuilder took 372.36 ms. Allocated memory was 141.0 MB in the beginning and 204.5 MB in the end (delta: 63.4 MB). Free memory was 91.1 MB in the beginning and 172.1 MB in the end (delta: -81.0 MB). Peak memory consumption was 12.1 MB. Max. memory is 7.1 GB. [2020-09-25 06:40:01,984 INFO L168 Benchmark]: TraceAbstraction took 1537.00 ms. Allocated memory is still 204.5 MB. Free memory was 172.1 MB in the beginning and 98.7 MB in the end (delta: 73.4 MB). Peak memory consumption was 73.4 MB. Max. memory is 7.1 GB. [2020-09-25 06:40:01,988 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 141.0 MB. Free memory was 121.3 MB in the beginning and 120.9 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 323.44 ms. Allocated memory is still 141.0 MB. Free memory was 102.3 MB in the beginning and 92.8 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 30.75 ms. Allocated memory is still 141.0 MB. Free memory was 92.8 MB in the beginning and 91.5 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 372.36 ms. Allocated memory was 141.0 MB in the beginning and 204.5 MB in the end (delta: 63.4 MB). Free memory was 91.1 MB in the beginning and 172.1 MB in the end (delta: -81.0 MB). Peak memory consumption was 12.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1537.00 ms. Allocated memory is still 204.5 MB. Free memory was 172.1 MB in the beginning and 98.7 MB in the end (delta: 73.4 MB). Peak memory consumption was 73.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 7]: 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 - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 28 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.3s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 27 SDtfs, 28 SDslu, 73 SDs, 0 SdLazy, 64 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=28occurred 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, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 8 LocationsWithAnnotation, 9 PreInvPairs, 9 NumberOfFragments, 14 HoareAnnotationTreeSize, 9 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 8 FomulaSimplificationsInter, 2 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 36 NumberOfCodeBlocks, 36 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 34 ConstructedInterpolants, 0 QuantifiedInterpolants, 1122 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...