/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=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.6 --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/ldv-regression/oomInt.c_1.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 14:38:14,123 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 14:38:14,125 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 14:38:14,160 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 14:38:14,160 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 14:38:14,162 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 14:38:14,163 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 14:38:14,166 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 14:38:14,168 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 14:38:14,169 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 14:38:14,171 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 14:38:14,172 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 14:38:14,173 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 14:38:14,174 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 14:38:14,175 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 14:38:14,177 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 14:38:14,178 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 14:38:14,180 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 14:38:14,183 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 14:38:14,187 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 14:38:14,189 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 14:38:14,194 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 14:38:14,196 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 14:38:14,200 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 14:38:14,215 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 14:38:14,220 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 14:38:14,220 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 14:38:14,222 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 14:38:14,222 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 14:38:14,224 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... 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[2020-10-28 14:38:14,231 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 14:38:14,232 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 14:38:14,232 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 14:38:14,233 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 [2020-10-28 14:38:14,295 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 14:38:14,296 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 14:38:14,298 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 14:38:14,299 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 14:38:14,301 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 14:38:14,301 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 14:38:14,301 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-28 14:38:14,301 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 14:38:14,302 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-28 14:38:14,302 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 14:38:14,302 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 14:38:14,302 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 14:38:14,302 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 14:38:14,303 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-28 14:38:14,303 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 14:38:14,303 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 14:38:14,303 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 14:38:14,303 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 14:38:14,303 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 14:38:14,304 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 14:38:14,304 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 14:38:14,307 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 14:38:14,307 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 14:38:14,308 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 14:38:14,308 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 14:38:14,308 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 14:38:14,308 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 14:38:14,308 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 14:38:14,309 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 14:38:14,309 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-28 14:38:14,691 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 14:38:14,728 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 14:38:14,731 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 14:38:14,733 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 14:38:14,734 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 14:38:14,735 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/oomInt.c_1.i [2020-10-28 14:38:14,831 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/dd6d102d7/c8c031c1f08c4648b5eb37b884ae1e79/FLAG11e1604ce [2020-10-28 14:38:15,430 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 14:38:15,430 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-regression/oomInt.c_1.i [2020-10-28 14:38:15,437 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/dd6d102d7/c8c031c1f08c4648b5eb37b884ae1e79/FLAG11e1604ce [2020-10-28 14:38:15,811 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/dd6d102d7/c8c031c1f08c4648b5eb37b884ae1e79 [2020-10-28 14:38:15,821 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 14:38:15,833 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 14:38:15,835 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 14:38:15,835 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 14:38:15,839 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 14:38:15,840 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 02:38:15" (1/1) ... [2020-10-28 14:38:15,845 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@767169d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:38:15, skipping insertion in model container [2020-10-28 14:38:15,845 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 02:38:15" (1/1) ... [2020-10-28 14:38:15,853 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 14:38:15,872 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 14:38:16,022 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 14:38:16,033 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 14:38:16,057 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 14:38:16,079 INFO L208 MainTranslator]: Completed translation [2020-10-28 14:38:16,081 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:38:16 WrapperNode [2020-10-28 14:38:16,081 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 14:38:16,083 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 14:38:16,083 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 14:38:16,083 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 14:38:16,099 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:38:16" (1/1) ... [2020-10-28 14:38:16,102 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:38:16" (1/1) ... [2020-10-28 14:38:16,111 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:38:16" (1/1) ... [2020-10-28 14:38:16,112 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:38:16" (1/1) ... [2020-10-28 14:38:16,120 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:38:16" (1/1) ... [2020-10-28 14:38:16,125 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:38:16" (1/1) ... [2020-10-28 14:38:16,132 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:38:16" (1/1) ... [2020-10-28 14:38:16,136 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 14:38:16,141 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 14:38:16,141 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 14:38:16,142 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 14:38:16,143 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:38:16" (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 [2020-10-28 14:38:16,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 14:38:16,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 14:38:16,239 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 14:38:16,239 INFO L138 BoogieDeclarations]: Found implementation of procedure __blast_assert [2020-10-28 14:38:16,239 INFO L138 BoogieDeclarations]: Found implementation of procedure abs_int [2020-10-28 14:38:16,239 INFO L138 BoogieDeclarations]: Found implementation of procedure firstFunction [2020-10-28 14:38:16,239 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 14:38:16,240 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 14:38:16,240 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 14:38:16,240 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 14:38:16,240 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 14:38:16,240 INFO L130 BoogieDeclarations]: Found specification of procedure __blast_assert [2020-10-28 14:38:16,241 INFO L130 BoogieDeclarations]: Found specification of procedure abs_int [2020-10-28 14:38:16,241 INFO L130 BoogieDeclarations]: Found specification of procedure firstFunction [2020-10-28 14:38:16,241 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 14:38:16,241 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 14:38:16,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 14:38:16,241 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 14:38:16,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 14:38:16,242 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 14:38:16,242 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 14:38:16,568 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 14:38:16,568 INFO L298 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-28 14:38:16,570 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 02:38:16 BoogieIcfgContainer [2020-10-28 14:38:16,570 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 14:38:16,573 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 14:38:16,573 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 14:38:16,576 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 14:38:16,577 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 02:38:15" (1/3) ... [2020-10-28 14:38:16,578 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72857c8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 02:38:16, skipping insertion in model container [2020-10-28 14:38:16,578 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:38:16" (2/3) ... [2020-10-28 14:38:16,578 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72857c8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 02:38:16, skipping insertion in model container [2020-10-28 14:38:16,578 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 02:38:16" (3/3) ... [2020-10-28 14:38:16,580 INFO L111 eAbstractionObserver]: Analyzing ICFG oomInt.c_1.i [2020-10-28 14:38:16,594 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 14:38:16,604 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-28 14:38:16,636 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-28 14:38:16,698 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 14:38:16,698 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 14:38:16,698 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 14:38:16,699 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 14:38:16,699 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 14:38:16,699 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 14:38:16,699 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 14:38:16,700 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 14:38:16,728 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states. [2020-10-28 14:38:16,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-28 14:38:16,739 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 14:38:16,740 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 14:38:16,740 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 14:38:16,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 14:38:16,750 INFO L82 PathProgramCache]: Analyzing trace with hash 886629574, now seen corresponding path program 1 times [2020-10-28 14:38:16,760 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 14:38:16,761 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1658799924] [2020-10-28 14:38:16,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 14:38:16,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:38:16,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:38:17,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:38:17,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-28 14:38:17,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:38:17,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 305 [2020-10-28 14:38:17,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:38:17,266 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:38:17,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 14:38:17,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-28 14:38:17,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 14:38:17,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-28 14:38:17,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 14:38:17,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:38:17,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:38:17,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:38:17,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:38:17,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:38:17,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 14:38:17,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:38:17,409 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:38:17,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:38:17,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:38:17,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:38:17,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:38:17,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 14:38:17,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:38:17,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:38:17,441 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:38:17,442 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 14:38:17,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:38:17,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-28 14:38:17,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:38:17,443 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:38:17,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 14:38:17,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:38:17,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 14:38:17,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:38:17,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 14:38:17,480 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1658799924] [2020-10-28 14:38:17,482 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 14:38:17,483 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-28 14:38:17,483 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [829503395] [2020-10-28 14:38:17,488 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-28 14:38:17,489 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 14:38:17,503 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-28 14:38:17,504 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-28 14:38:17,506 INFO L87 Difference]: Start difference. First operand 28 states. Second operand 6 states. [2020-10-28 14:38:17,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 14:38:17,724 INFO L93 Difference]: Finished difference Result 48 states and 50 transitions. [2020-10-28 14:38:17,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-28 14:38:17,726 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 16 [2020-10-28 14:38:17,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 14:38:17,736 INFO L225 Difference]: With dead ends: 48 [2020-10-28 14:38:17,736 INFO L226 Difference]: Without dead ends: 17 [2020-10-28 14:38:17,740 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-28 14:38:17,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2020-10-28 14:38:17,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2020-10-28 14:38:17,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2020-10-28 14:38:17,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 16 transitions. [2020-10-28 14:38:17,784 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 16 transitions. Word has length 16 [2020-10-28 14:38:17,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 14:38:17,785 INFO L481 AbstractCegarLoop]: Abstraction has 17 states and 16 transitions. [2020-10-28 14:38:17,785 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-28 14:38:17,785 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 16 transitions. [2020-10-28 14:38:17,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-28 14:38:17,786 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 14:38:17,786 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 14:38:17,787 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 14:38:17,787 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 14:38:17,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 14:38:17,788 INFO L82 PathProgramCache]: Analyzing trace with hash -1665527387, now seen corresponding path program 1 times [2020-10-28 14:38:17,788 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 14:38:17,789 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1413245216] [2020-10-28 14:38:17,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 14:38:17,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:38:17,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:38:17,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:38:18,162 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:38:18,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-28 14:38:18,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 14:38:18,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 355 [2020-10-28 14:38:18,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:38:18,165 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:38:18,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 14:38:18,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-28 14:38:18,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 14:38:18,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-28 14:38:18,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 14:38:18,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:38:18,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:38:18,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:38:18,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:38:18,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:38:18,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 14:38:18,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:38:18,285 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:38:18,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:38:18,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:38:18,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:38:18,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:38:18,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 14:38:18,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:38:18,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:38:18,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:38:18,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:38:18,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 14:38:18,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 14:38:18,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 14:38:18,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:38:18,304 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:38:18,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 14:38:18,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 14:38:18,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:38:18,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:38:18,343 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 14:38:18,344 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1413245216] [2020-10-28 14:38:18,344 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 14:38:18,344 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-28 14:38:18,345 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [122896070] [2020-10-28 14:38:18,346 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 14:38:18,346 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 14:38:18,347 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 14:38:18,348 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-10-28 14:38:18,348 INFO L87 Difference]: Start difference. First operand 17 states and 16 transitions. Second operand 7 states. [2020-10-28 14:38:18,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 14:38:18,509 INFO L93 Difference]: Finished difference Result 17 states and 16 transitions. [2020-10-28 14:38:18,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-28 14:38:18,510 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 16 [2020-10-28 14:38:18,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 14:38:18,510 INFO L225 Difference]: With dead ends: 17 [2020-10-28 14:38:18,511 INFO L226 Difference]: Without dead ends: 0 [2020-10-28 14:38:18,512 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2020-10-28 14:38:18,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-28 14:38:18,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-28 14:38:18,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-28 14:38:18,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-28 14:38:18,513 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 16 [2020-10-28 14:38:18,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 14:38:18,513 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-28 14:38:18,513 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 14:38:18,513 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-28 14:38:18,514 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-28 14:38:18,514 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 14:38:18,516 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-28 14:38:18,641 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2020-10-28 14:38:18,641 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 3) the Hoare annotation is: true [2020-10-28 14:38:18,641 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2020-10-28 14:38:18,641 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-28 14:38:18,642 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-28 14:38:18,642 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= ~p~0 |old(~p~0)|) (= |old(#length)| |#length|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#valid)| |#valid|)) [2020-10-28 14:38:18,642 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-28 14:38:18,642 INFO L274 CegarLoopResult]: For program point L9(line 9) no Hoare annotation was computed. [2020-10-28 14:38:18,642 INFO L274 CegarLoopResult]: For program point __blast_assertEXIT(lines 7 10) no Hoare annotation was computed. [2020-10-28 14:38:18,642 INFO L274 CegarLoopResult]: For program point __blast_assertFINAL(lines 7 10) no Hoare annotation was computed. [2020-10-28 14:38:18,643 INFO L277 CegarLoopResult]: At program point __blast_assertENTRY(lines 7 10) the Hoare annotation is: true [2020-10-28 14:38:18,643 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-28 14:38:18,643 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (<= 0 ~p~0) [2020-10-28 14:38:18,643 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-28 14:38:18,643 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-28 14:38:18,643 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 34 37) the Hoare annotation is: (or (= ~p~0 |old(~p~0)|) (not (<= 0 |old(~p~0)|))) [2020-10-28 14:38:18,644 INFO L274 CegarLoopResult]: For program point mainFINAL(lines 34 37) no Hoare annotation was computed. [2020-10-28 14:38:18,644 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 34 37) no Hoare annotation was computed. [2020-10-28 14:38:18,644 INFO L274 CegarLoopResult]: For program point abs_intEXIT(lines 17 26) no Hoare annotation was computed. [2020-10-28 14:38:18,644 INFO L277 CegarLoopResult]: At program point abs_intENTRY(lines 17 26) the Hoare annotation is: true [2020-10-28 14:38:18,644 INFO L274 CegarLoopResult]: For program point L19(lines 19 25) no Hoare annotation was computed. [2020-10-28 14:38:18,644 INFO L274 CegarLoopResult]: For program point abs_intFINAL(lines 17 26) no Hoare annotation was computed. [2020-10-28 14:38:18,644 INFO L274 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-10-28 14:38:18,645 INFO L274 CegarLoopResult]: For program point L30(line 30) no Hoare annotation was computed. [2020-10-28 14:38:18,645 INFO L270 CegarLoopResult]: At program point L31-2(line 31) the Hoare annotation is: (not (<= 0 |old(~p~0)|)) [2020-10-28 14:38:18,645 INFO L274 CegarLoopResult]: For program point L31-3(lines 28 32) no Hoare annotation was computed. [2020-10-28 14:38:18,645 INFO L270 CegarLoopResult]: At program point firstFunctionENTRY(lines 28 32) the Hoare annotation is: (or (= ~p~0 |old(~p~0)|) (not (<= 0 |old(~p~0)|))) [2020-10-28 14:38:18,645 INFO L274 CegarLoopResult]: For program point firstFunctionEXIT(lines 28 32) no Hoare annotation was computed. [2020-10-28 14:38:18,651 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 02:38:18 BoogieIcfgContainer [2020-10-28 14:38:18,651 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-28 14:38:18,654 INFO L168 Benchmark]: Toolchain (without parser) took 2827.20 ms. Allocated memory is still 151.0 MB. Free memory was 126.4 MB in the beginning and 78.7 MB in the end (delta: 47.7 MB). Peak memory consumption was 48.1 MB. Max. memory is 8.0 GB. [2020-10-28 14:38:18,654 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 151.0 MB. Free memory is still 123.8 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-28 14:38:18,655 INFO L168 Benchmark]: CACSL2BoogieTranslator took 246.94 ms. Allocated memory is still 151.0 MB. Free memory was 125.8 MB in the beginning and 116.1 MB in the end (delta: 9.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. [2020-10-28 14:38:18,656 INFO L168 Benchmark]: Boogie Preprocessor took 53.17 ms. Allocated memory is still 151.0 MB. Free memory was 116.1 MB in the beginning and 114.8 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2020-10-28 14:38:18,657 INFO L168 Benchmark]: RCFGBuilder took 429.50 ms. Allocated memory is still 151.0 MB. Free memory was 114.8 MB in the beginning and 102.6 MB in the end (delta: 12.2 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. [2020-10-28 14:38:18,658 INFO L168 Benchmark]: TraceAbstraction took 2078.45 ms. Allocated memory is still 151.0 MB. Free memory was 102.2 MB in the beginning and 78.7 MB in the end (delta: 23.5 MB). Peak memory consumption was 24.0 MB. Max. memory is 8.0 GB. [2020-10-28 14:38:18,661 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 151.0 MB. Free memory is still 123.8 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 246.94 ms. Allocated memory is still 151.0 MB. Free memory was 125.8 MB in the beginning and 116.1 MB in the end (delta: 9.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 53.17 ms. Allocated memory is still 151.0 MB. Free memory was 116.1 MB in the beginning and 114.8 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 429.50 ms. Allocated memory is still 151.0 MB. Free memory was 114.8 MB in the beginning and 102.6 MB in the end (delta: 12.2 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. * TraceAbstraction took 2078.45 ms. Allocated memory is still 151.0 MB. Free memory was 102.2 MB in the beginning and 78.7 MB in the end (delta: 23.5 MB). Peak memory consumption was 24.0 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: 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 7 procedures, 28 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.8s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 27 SDtfs, 23 SDslu, 59 SDs, 0 SdLazy, 55 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 23 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s 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, 9 LocationsWithAnnotation, 11 PreInvPairs, 11 NumberOfFragments, 61 HoareAnnotationTreeSize, 11 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 9 FomulaSimplificationsInter, 109 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 32 NumberOfCodeBlocks, 32 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 30 ConstructedInterpolants, 0 QuantifiedInterpolants, 1890 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...