/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.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.use.separate.solver.for.trace.checks true -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/bitvector-regression/signextension2-1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-b8ad66e [2020-10-24 00:35:45,107 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-24 00:35:45,110 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-24 00:35:45,154 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-10-24 00:35:45,182 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-24 00:35:45,186 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-24 00:35:45,188 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-24 00:35:45,190 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-24 00:35:45,191 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-24 00:35:45,196 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-24 00:35:45,204 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-24 00:35:45,210 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-24 00:35:45,213 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-24 00:35:45,215 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-24 00:35:45,217 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-24 00:35:45,219 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-24 00:35:45,226 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-24 00:35:45,240 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-24 00:35:45,241 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-24 00:35:45,241 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-24 00:35:45,242 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-10-24 00:35:45,261 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-24 00:35:45,261 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-24 00:35:45,273 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-24 00:35:45,274 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-24 00:35:45,274 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-24 00:35:45,274 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-24 00:35:45,274 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-24 00:35:45,274 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-24 00:35:45,275 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-24 00:35:45,275 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-24 00:35:45,275 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-24 00:35:45,275 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-24 00:35:45,275 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-24 00:35:45,275 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-24 00:35:45,276 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-24 00:35:45,276 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-10-24 00:35:45,276 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-24 00:35:45,276 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-24 00:35:45,277 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 00:35:45,277 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-24 00:35:45,277 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-10-24 00:35:45,277 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-24 00:35:45,277 INFO L138 SettingsManager]: * Use separate solver for trace checks=false 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/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-10-24 00:35:45,667 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-24 00:35:45,695 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-24 00:35:45,698 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-24 00:35:45,699 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-24 00:35:45,700 INFO L275 PluginConnector]: CDTParser initialized [2020-10-24 00:35:45,701 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/bitvector-regression/signextension2-1.c [2020-10-24 00:35:45,769 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/11bb58873/4aab272563eb4805b2500ce5a1a7be28/FLAGc25317b7a [2020-10-24 00:35:46,312 INFO L306 CDTParser]: Found 1 translation units. [2020-10-24 00:35:46,313 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/bitvector-regression/signextension2-1.c [2020-10-24 00:35:46,320 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/11bb58873/4aab272563eb4805b2500ce5a1a7be28/FLAGc25317b7a [2020-10-24 00:35:46,680 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/11bb58873/4aab272563eb4805b2500ce5a1a7be28 [2020-10-24 00:35:46,683 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-24 00:35:46,690 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-24 00:35:46,693 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-24 00:35:46,693 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-24 00:35:46,697 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-24 00:35:46,698 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 12:35:46" (1/1) ... [2020-10-24 00:35:46,701 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e5d0af6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:35:46, skipping insertion in model container [2020-10-24 00:35:46,702 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 12:35:46" (1/1) ... [2020-10-24 00:35:46,710 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-24 00:35:46,728 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-24 00:35:46,901 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 00:35:46,917 INFO L203 MainTranslator]: Completed pre-run [2020-10-24 00:35:46,943 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 00:35:46,967 INFO L208 MainTranslator]: Completed translation [2020-10-24 00:35:46,968 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:35:46 WrapperNode [2020-10-24 00:35:46,968 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-24 00:35:46,972 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-24 00:35:46,973 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-24 00:35:46,973 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-24 00:35:46,991 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:35:46" (1/1) ... [2020-10-24 00:35:46,991 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:35:46" (1/1) ... [2020-10-24 00:35:47,003 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:35:46" (1/1) ... [2020-10-24 00:35:47,004 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:35:46" (1/1) ... [2020-10-24 00:35:47,023 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:35:46" (1/1) ... [2020-10-24 00:35:47,032 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:35:46" (1/1) ... [2020-10-24 00:35:47,035 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:35:46" (1/1) ... [2020-10-24 00:35:47,037 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-24 00:35:47,044 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-24 00:35:47,044 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-24 00:35:47,044 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-24 00:35:47,045 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:35:46" (1/1) ... No working directory specified, using /storage/repos/ultimate/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 [2020-10-24 00:35:47,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-24 00:35:47,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-24 00:35:47,136 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-24 00:35:47,137 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-24 00:35:47,137 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-24 00:35:47,137 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-24 00:35:47,137 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-24 00:35:47,138 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-24 00:35:47,138 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-24 00:35:47,138 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-24 00:35:47,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-24 00:35:47,139 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-24 00:35:47,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-24 00:35:47,139 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-24 00:35:47,139 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-24 00:35:47,512 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-24 00:35:47,513 INFO L298 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-24 00:35:47,515 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 12:35:47 BoogieIcfgContainer [2020-10-24 00:35:47,515 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-24 00:35:47,519 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-24 00:35:47,519 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-24 00:35:47,523 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-24 00:35:47,525 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 12:35:46" (1/3) ... [2020-10-24 00:35:47,527 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6eb78cf8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 12:35:47, skipping insertion in model container [2020-10-24 00:35:47,527 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:35:46" (2/3) ... [2020-10-24 00:35:47,528 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6eb78cf8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 12:35:47, skipping insertion in model container [2020-10-24 00:35:47,528 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 12:35:47" (3/3) ... [2020-10-24 00:35:47,530 INFO L111 eAbstractionObserver]: Analyzing ICFG signextension2-1.c [2020-10-24 00:35:47,544 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-24 00:35:47,549 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-24 00:35:47,565 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-24 00:35:47,608 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-24 00:35:47,608 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-24 00:35:47,608 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-24 00:35:47,609 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-24 00:35:47,609 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-24 00:35:47,609 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-24 00:35:47,609 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-24 00:35:47,609 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-24 00:35:47,642 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states. [2020-10-24 00:35:47,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-10-24 00:35:47,651 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:35:47,652 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:35:47,653 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:35:47,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:35:47,659 INFO L82 PathProgramCache]: Analyzing trace with hash -1024341426, now seen corresponding path program 1 times [2020-10-24 00:35:47,668 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:35:47,669 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2033666737] [2020-10-24 00:35:47,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:35:47,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:35:48,428 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 18 [2020-10-24 00:35:48,646 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 21 [2020-10-24 00:35:48,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:35:48,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:35:48,776 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 00:35:48,777 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2033666737] [2020-10-24 00:35:48,779 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 00:35:48,779 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-24 00:35:48,780 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1156479693] [2020-10-24 00:35:48,785 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-24 00:35:48,786 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:35:48,800 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-24 00:35:48,801 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-10-24 00:35:48,803 INFO L87 Difference]: Start difference. First operand 30 states. Second operand 8 states. [2020-10-24 00:35:49,200 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 58 [2020-10-24 00:35:49,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:35:49,219 INFO L93 Difference]: Finished difference Result 34 states and 33 transitions. [2020-10-24 00:35:49,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-24 00:35:49,222 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 20 [2020-10-24 00:35:49,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:35:49,229 INFO L225 Difference]: With dead ends: 34 [2020-10-24 00:35:49,229 INFO L226 Difference]: Without dead ends: 0 [2020-10-24 00:35:49,241 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=59, Invalid=97, Unknown=0, NotChecked=0, Total=156 [2020-10-24 00:35:49,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-24 00:35:49,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-24 00:35:49,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-24 00:35:49,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-24 00:35:49,274 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 20 [2020-10-24 00:35:49,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:35:49,275 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-24 00:35:49,276 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-24 00:35:49,276 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-24 00:35:49,276 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-24 00:35:49,276 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-24 00:35:49,279 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-24 00:35:49,860 INFO L277 CegarLoopResult]: At program point reach_errorEXIT(line 3) the Hoare annotation is: true [2020-10-24 00:35:49,860 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 3) the Hoare annotation is: true [2020-10-24 00:35:49,860 INFO L277 CegarLoopResult]: At program point reach_errorFINAL(line 3) the Hoare annotation is: true [2020-10-24 00:35:49,861 INFO L277 CegarLoopResult]: At program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) the Hoare annotation is: true [2020-10-24 00:35:49,861 INFO L277 CegarLoopResult]: At program point L3-2(line 3) the Hoare annotation is: true [2020-10-24 00:35:49,861 INFO L277 CegarLoopResult]: At program point L3-3(line 3) the Hoare annotation is: true [2020-10-24 00:35:49,861 INFO L277 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-10-24 00:35:49,862 INFO L277 CegarLoopResult]: At program point L3-4(line 3) the Hoare annotation is: true [2020-10-24 00:35:49,862 INFO L277 CegarLoopResult]: At program point L-1-1(line -1) the Hoare annotation is: true [2020-10-24 00:35:49,862 INFO L277 CegarLoopResult]: At program point ULTIMATE.initFINAL(line 3) the Hoare annotation is: true [2020-10-24 00:35:49,862 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)|) (= |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|)) [2020-10-24 00:35:49,862 INFO L277 CegarLoopResult]: At program point L3(line 3) the Hoare annotation is: true [2020-10-24 00:35:49,863 INFO L277 CegarLoopResult]: At program point L3-1(line 3) the Hoare annotation is: true [2020-10-24 00:35:49,863 INFO L277 CegarLoopResult]: At program point ULTIMATE.initEXIT(line -1) the Hoare annotation is: true [2020-10-24 00:35:49,863 INFO L277 CegarLoopResult]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2020-10-24 00:35:49,863 INFO L277 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-10-24 00:35:49,863 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-24 00:35:49,863 INFO L277 CegarLoopResult]: At program point ULTIMATE.startFINAL(line -1) the Hoare annotation is: true [2020-10-24 00:35:49,864 INFO L277 CegarLoopResult]: At program point mainENTRY(lines 5 21) the Hoare annotation is: true [2020-10-24 00:35:49,864 INFO L270 CegarLoopResult]: At program point mainEXIT(lines 5 21) the Hoare annotation is: (let ((.cse0 (div main_~allOne~0 4294967296))) (and (<= 0 (+ main_~allOne~0 1)) (= main_~allOne~0 (+ (* .cse0 4294967296) main_~castToLong~0 4294967296)) (<= (+ main_~castToULong~0 1) 0) (= (+ main_~castToLong2~0 1) 0) (= (+ main_~castToInt~0 1) 0) (<= (+ .cse0 1) 0) (< (+ (* 4294967296 (div main_~castToULong~0 4294967296)) 4294967294) main_~castToULong~0))) [2020-10-24 00:35:49,864 INFO L270 CegarLoopResult]: At program point L20(line 20) the Hoare annotation is: false [2020-10-24 00:35:49,865 INFO L270 CegarLoopResult]: At program point L19(line 19) the Hoare annotation is: false [2020-10-24 00:35:49,865 INFO L270 CegarLoopResult]: At program point L18(line 18) the Hoare annotation is: (let ((.cse0 (div main_~allOne~0 4294967296))) (and (<= 0 (+ main_~allOne~0 1)) (= main_~allOne~0 (+ (* .cse0 4294967296) main_~castToLong~0 4294967296)) (<= (+ main_~castToULong~0 1) 0) (= (+ main_~castToLong2~0 1) 0) (= (+ main_~castToInt~0 1) 0) (<= (+ .cse0 1) 0) (< (+ (* 4294967296 (div main_~castToULong~0 4294967296)) 4294967294) main_~castToULong~0))) [2020-10-24 00:35:49,865 INFO L270 CegarLoopResult]: At program point L15(lines 5 21) the Hoare annotation is: false [2020-10-24 00:35:49,865 INFO L270 CegarLoopResult]: At program point L13(lines 13 16) the Hoare annotation is: (let ((.cse0 (div main_~allOne~0 4294967296))) (and (<= 0 (+ main_~allOne~0 1)) (= main_~allOne~0 (+ (* .cse0 4294967296) main_~castToLong~0 4294967296)) (<= (+ main_~castToULong~0 1) 0) (= (+ main_~castToLong2~0 1) 0) (= (+ main_~castToInt~0 1) 0) (<= (+ .cse0 1) 0) (< (+ (* 4294967296 (div main_~castToULong~0 4294967296)) 4294967294) main_~castToULong~0))) [2020-10-24 00:35:49,866 INFO L270 CegarLoopResult]: At program point mainFINAL(lines 5 21) the Hoare annotation is: (let ((.cse0 (div main_~allOne~0 4294967296))) (and (<= 0 (+ main_~allOne~0 1)) (= main_~allOne~0 (+ (* .cse0 4294967296) main_~castToLong~0 4294967296)) (<= (+ main_~castToULong~0 1) 0) (= (+ main_~castToLong2~0 1) 0) (= (+ main_~castToInt~0 1) 0) (<= (+ .cse0 1) 0) (< (+ (* 4294967296 (div main_~castToULong~0 4294967296)) 4294967294) main_~castToULong~0))) [2020-10-24 00:35:49,866 INFO L270 CegarLoopResult]: At program point L11(line 11) the Hoare annotation is: (let ((.cse0 (div main_~allOne~0 4294967296))) (and (<= 0 (+ main_~allOne~0 1)) (= main_~allOne~0 (+ (* .cse0 4294967296) main_~castToLong~0 4294967296)) (= (+ main_~castToLong2~0 1) 0) (= (+ main_~castToInt~0 1) 0) (<= (+ .cse0 1) 0))) [2020-10-24 00:35:49,866 INFO L270 CegarLoopResult]: At program point L10(line 10) the Hoare annotation is: (let ((.cse0 (div main_~allOne~0 4294967296))) (and (<= 0 (+ main_~allOne~0 1)) (= main_~allOne~0 (+ (* .cse0 4294967296) main_~castToLong~0 4294967296)) (= (+ main_~castToInt~0 1) 0) (<= (+ .cse0 1) 0))) [2020-10-24 00:35:49,867 INFO L270 CegarLoopResult]: At program point L9(line 9) the Hoare annotation is: (and (<= 0 (+ main_~allOne~0 1)) (= (+ main_~castToInt~0 1) 0) (<= (+ (div main_~allOne~0 4294967296) 1) 0)) [2020-10-24 00:35:49,867 INFO L270 CegarLoopResult]: At program point L8(line 8) the Hoare annotation is: (and (<= 0 (+ main_~allOne~0 1)) (<= (+ (div main_~allOne~0 4294967296) 1) 0)) [2020-10-24 00:35:49,887 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 12:35:49 BoogieIcfgContainer [2020-10-24 00:35:49,887 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-24 00:35:49,889 INFO L168 Benchmark]: Toolchain (without parser) took 3203.43 ms. Allocated memory is still 153.1 MB. Free memory was 129.9 MB in the beginning and 65.2 MB in the end (delta: 64.7 MB). Peak memory consumption was 65.4 MB. Max. memory is 8.0 GB. [2020-10-24 00:35:49,890 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 125.8 MB. Free memory is still 102.9 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-24 00:35:49,891 INFO L168 Benchmark]: CACSL2BoogieTranslator took 276.30 ms. Allocated memory is still 153.1 MB. Free memory was 129.3 MB in the beginning and 120.2 MB in the end (delta: 9.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 8.0 GB. [2020-10-24 00:35:49,892 INFO L168 Benchmark]: Boogie Preprocessor took 65.42 ms. Allocated memory is still 153.1 MB. Free memory was 120.2 MB in the beginning and 118.8 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-10-24 00:35:49,893 INFO L168 Benchmark]: RCFGBuilder took 472.43 ms. Allocated memory is still 153.1 MB. Free memory was 118.8 MB in the beginning and 106.6 MB in the end (delta: 12.3 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. [2020-10-24 00:35:49,894 INFO L168 Benchmark]: TraceAbstraction took 2368.23 ms. Allocated memory is still 153.1 MB. Free memory was 106.0 MB in the beginning and 65.2 MB in the end (delta: 40.8 MB). Peak memory consumption was 41.3 MB. Max. memory is 8.0 GB. [2020-10-24 00:35:49,898 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 125.8 MB. Free memory is still 102.9 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 276.30 ms. Allocated memory is still 153.1 MB. Free memory was 129.3 MB in the beginning and 120.2 MB in the end (delta: 9.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 65.42 ms. Allocated memory is still 153.1 MB. Free memory was 120.2 MB in the beginning and 118.8 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 472.43 ms. Allocated memory is still 153.1 MB. Free memory was 118.8 MB in the beginning and 106.6 MB in the end (delta: 12.3 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. * TraceAbstraction took 2368.23 ms. Allocated memory is still 153.1 MB. Free memory was 106.0 MB in the beginning and 65.2 MB in the end (delta: 40.8 MB). Peak memory consumption was 41.3 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 - InvariantResult [Line: 5]: Loop Invariant Derived loop invariant: 0 - ProcedureContractResult [Line: 3]: Procedure Contract for reach_error Derived contract for procedure reach_error: 1 - ProcedureContractResult [Line: 5]: Procedure Contract for main Derived contract for procedure main: (((((0 <= allOne + 1 && allOne == allOne / 4294967296 * 4294967296 + castToLong + 4294967296) && castToULong + 1 <= 0) && castToLong2 + 1 == 0) && castToInt + 1 == 0) && allOne / 4294967296 + 1 <= 0) && 4294967296 * (castToULong / 4294967296) + 4294967294 < castToULong - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 30 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.6s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 17 SDtfs, 21 SDslu, 46 SDs, 0 SdLazy, 22 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=30occurred 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 30 LocationsWithAnnotation, 30 PreInvPairs, 34 NumberOfFragments, 332 HoareAnnotationTreeSize, 30 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 30 FomulaSimplificationsInter, 270 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 20 NumberOfCodeBlocks, 20 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 19 ConstructedInterpolants, 0 QuantifiedInterpolants, 3230 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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...