/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 -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/bitvector-regression/signextension2-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-3af5e1f [2020-09-04 16:11:59,465 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-04 16:11:59,468 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-04 16:11:59,494 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-04 16:11:59,495 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-04 16:11:59,496 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-04 16:11:59,498 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-04 16:11:59,500 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-04 16:11:59,501 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-04 16:11:59,502 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-04 16:11:59,504 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-04 16:11:59,505 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-04 16:11:59,505 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-04 16:11:59,506 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-04 16:11:59,508 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-04 16:11:59,509 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-04 16:11:59,510 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-04 16:11:59,511 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-04 16:11:59,512 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-04 16:11:59,514 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-04 16:11:59,516 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-04 16:11:59,517 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-04 16:11:59,518 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-04 16:11:59,519 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-04 16:11:59,523 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-04 16:11:59,523 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-04 16:11:59,524 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-04 16:11:59,527 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-04 16:11:59,527 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-04 16:11:59,528 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-04 16:11:59,529 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-04 16:11:59,532 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-04 16:11:59,533 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-04 16:11:59,534 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-04 16:11:59,535 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-04 16:11:59,535 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-04 16:11:59,536 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-04 16:11:59,536 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-04 16:11:59,536 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-04 16:11:59,543 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-04 16:11:59,544 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-04 16:11:59,545 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-09-04 16:11:59,565 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-04 16:11:59,565 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-04 16:11:59,567 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-04 16:11:59,567 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-04 16:11:59,568 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-04 16:11:59,568 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-04 16:11:59,568 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-04 16:11:59,568 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-04 16:11:59,569 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-04 16:11:59,569 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-04 16:11:59,570 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-04 16:11:59,570 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-04 16:11:59,570 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-04 16:11:59,570 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-04 16:11:59,571 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-04 16:11:59,571 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-09-04 16:11:59,571 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-04 16:11:59,572 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-04 16:11:59,572 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-04 16:11:59,572 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-04 16:11:59,572 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-09-04 16:11:59,572 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-04 16:11:59,573 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-09-04 16:12:00,040 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-04 16:12:00,065 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-04 16:12:00,072 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-04 16:12:00,074 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-04 16:12:00,075 INFO L275 PluginConnector]: CDTParser initialized [2020-09-04 16:12:00,076 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/bitvector-regression/signextension2-1.c [2020-09-04 16:12:00,162 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5acaf45c8/52746a2b9e734616a94617be9652364d/FLAG4f402eb87 [2020-09-04 16:12:00,692 INFO L306 CDTParser]: Found 1 translation units. [2020-09-04 16:12:00,693 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/bitvector-regression/signextension2-1.c [2020-09-04 16:12:00,701 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5acaf45c8/52746a2b9e734616a94617be9652364d/FLAG4f402eb87 [2020-09-04 16:12:01,037 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5acaf45c8/52746a2b9e734616a94617be9652364d [2020-09-04 16:12:01,049 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-04 16:12:01,051 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-04 16:12:01,052 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-04 16:12:01,052 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-04 16:12:01,056 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-04 16:12:01,058 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 04:12:01" (1/1) ... [2020-09-04 16:12:01,061 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29fcb34f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:12:01, skipping insertion in model container [2020-09-04 16:12:01,062 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 04:12:01" (1/1) ... [2020-09-04 16:12:01,070 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-04 16:12:01,095 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-04 16:12:01,307 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 16:12:01,313 INFO L203 MainTranslator]: Completed pre-run [2020-09-04 16:12:01,329 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 16:12:01,345 INFO L208 MainTranslator]: Completed translation [2020-09-04 16:12:01,345 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:12:01 WrapperNode [2020-09-04 16:12:01,346 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-04 16:12:01,346 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-04 16:12:01,347 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-04 16:12:01,347 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-04 16:12:01,363 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:12:01" (1/1) ... [2020-09-04 16:12:01,364 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:12:01" (1/1) ... [2020-09-04 16:12:01,369 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:12:01" (1/1) ... [2020-09-04 16:12:01,369 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:12:01" (1/1) ... [2020-09-04 16:12:01,372 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:12:01" (1/1) ... [2020-09-04 16:12:01,374 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:12:01" (1/1) ... [2020-09-04 16:12:01,375 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:12:01" (1/1) ... [2020-09-04 16:12:01,376 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-04 16:12:01,377 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-04 16:12:01,377 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-04 16:12:01,377 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-04 16:12:01,378 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:12:01" (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 [2020-09-04 16:12:01,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-04 16:12:01,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-04 16:12:01,527 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-04 16:12:01,527 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-04 16:12:01,527 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-04 16:12:01,527 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-04 16:12:01,527 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-04 16:12:01,724 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-04 16:12:01,724 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-09-04 16:12:01,728 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 04:12:01 BoogieIcfgContainer [2020-09-04 16:12:01,728 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-04 16:12:01,729 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-04 16:12:01,729 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-04 16:12:01,733 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-04 16:12:01,733 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.09 04:12:01" (1/3) ... [2020-09-04 16:12:01,734 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12f4ab1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 04:12:01, skipping insertion in model container [2020-09-04 16:12:01,734 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:12:01" (2/3) ... [2020-09-04 16:12:01,735 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12f4ab1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 04:12:01, skipping insertion in model container [2020-09-04 16:12:01,735 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 04:12:01" (3/3) ... [2020-09-04 16:12:01,737 INFO L109 eAbstractionObserver]: Analyzing ICFG signextension2-1.c [2020-09-04 16:12:01,748 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-04 16:12:01,758 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-04 16:12:01,779 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-04 16:12:01,805 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-04 16:12:01,805 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-04 16:12:01,805 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-09-04 16:12:01,805 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-04 16:12:01,806 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-04 16:12:01,806 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-04 16:12:01,806 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-04 16:12:01,806 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-04 16:12:01,822 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states. [2020-09-04 16:12:01,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-09-04 16:12:01,833 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 16:12:01,834 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 16:12:01,835 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 16:12:01,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 16:12:01,841 INFO L82 PathProgramCache]: Analyzing trace with hash 200623931, now seen corresponding path program 1 times [2020-09-04 16:12:01,850 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 16:12:01,851 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1765487812] [2020-09-04 16:12:01,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 16:12:01,917 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 16:12:01,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:02,290 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 10 [2020-09-04 16:12:02,568 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 18 [2020-09-04 16:12:02,762 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 21 [2020-09-04 16:12:02,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 16:12:02,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:02,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 16:12:02,835 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1765487812] [2020-09-04 16:12:02,837 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 16:12:02,838 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-04 16:12:02,838 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [124622451] [2020-09-04 16:12:02,844 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-04 16:12:02,845 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 16:12:02,862 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-04 16:12:02,863 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-09-04 16:12:02,865 INFO L87 Difference]: Start difference. First operand 18 states. Second operand 7 states. [2020-09-04 16:12:02,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 16:12:02,978 INFO L93 Difference]: Finished difference Result 22 states and 21 transitions. [2020-09-04 16:12:02,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-04 16:12:02,980 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 11 [2020-09-04 16:12:02,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 16:12:02,989 INFO L225 Difference]: With dead ends: 22 [2020-09-04 16:12:02,989 INFO L226 Difference]: Without dead ends: 0 [2020-09-04 16:12:02,994 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2020-09-04 16:12:03,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-04 16:12:03,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-04 16:12:03,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-04 16:12:03,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-04 16:12:03,027 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 11 [2020-09-04 16:12:03,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 16:12:03,027 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-04 16:12:03,027 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-04 16:12:03,028 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-04 16:12:03,028 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-04 16:12:03,028 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-04 16:12:03,031 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-04 16:12:03,229 INFO L271 CegarLoopResult]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2020-09-04 16:12:03,229 INFO L271 CegarLoopResult]: At program point ULTIMATE.initEXIT(line -1) the Hoare annotation is: true [2020-09-04 16:12:03,230 INFO L271 CegarLoopResult]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2020-09-04 16:12:03,230 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-09-04 16:12:03,230 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-04 16:12:03,230 INFO L271 CegarLoopResult]: At program point ULTIMATE.startFINAL(line -1) the Hoare annotation is: true [2020-09-04 16:12:03,231 INFO L264 CegarLoopResult]: At program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 17) the Hoare annotation is: false [2020-09-04 16:12:03,231 INFO L271 CegarLoopResult]: At program point mainENTRY(lines 3 19) the Hoare annotation is: true [2020-09-04 16:12:03,231 INFO L264 CegarLoopResult]: At program point mainEXIT(lines 3 19) the Hoare annotation is: (let ((.cse0 (div main_~allOne~0 4294967296))) (and (= main_~allOne~0 (+ (* 4294967296 .cse0) main_~castToLong~0 4294967296)) (<= 0 (+ main_~allOne~0 1)) (<= (+ 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))) [2020-09-04 16:12:03,232 INFO L264 CegarLoopResult]: At program point L18(line 18) the Hoare annotation is: false [2020-09-04 16:12:03,232 INFO L264 CegarLoopResult]: At program point L16(line 16) the Hoare annotation is: (let ((.cse0 (div main_~allOne~0 4294967296))) (and (= main_~allOne~0 (+ (* 4294967296 .cse0) main_~castToLong~0 4294967296)) (<= 0 (+ main_~allOne~0 1)) (<= (+ 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))) [2020-09-04 16:12:03,232 INFO L264 CegarLoopResult]: At program point L13(lines 3 19) the Hoare annotation is: false [2020-09-04 16:12:03,233 INFO L264 CegarLoopResult]: At program point mainFINAL(lines 3 19) the Hoare annotation is: (let ((.cse0 (div main_~allOne~0 4294967296))) (and (= main_~allOne~0 (+ (* 4294967296 .cse0) main_~castToLong~0 4294967296)) (<= 0 (+ main_~allOne~0 1)) (<= (+ 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))) [2020-09-04 16:12:03,233 INFO L264 CegarLoopResult]: At program point L11(lines 11 14) the Hoare annotation is: (let ((.cse0 (div main_~allOne~0 4294967296))) (and (= main_~allOne~0 (+ (* 4294967296 .cse0) main_~castToLong~0 4294967296)) (<= 0 (+ main_~allOne~0 1)) (<= (+ 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))) [2020-09-04 16:12:03,233 INFO L264 CegarLoopResult]: At program point L9(line 9) the Hoare annotation is: (let ((.cse0 (div main_~allOne~0 4294967296))) (and (= main_~allOne~0 (+ (* 4294967296 .cse0) main_~castToLong~0 4294967296)) (<= 0 (+ main_~allOne~0 1)) (= (+ main_~castToLong2~0 1) 0) (= (+ main_~castToInt~0 1) 0) (<= (+ .cse0 1) 0))) [2020-09-04 16:12:03,234 INFO L264 CegarLoopResult]: At program point L8(line 8) the Hoare annotation is: (let ((.cse0 (div main_~allOne~0 4294967296))) (and (= main_~allOne~0 (+ (* 4294967296 .cse0) main_~castToLong~0 4294967296)) (<= 0 (+ main_~allOne~0 1)) (= (+ main_~castToInt~0 1) 0) (<= (+ .cse0 1) 0))) [2020-09-04 16:12:03,234 INFO L264 CegarLoopResult]: At program point L7(line 7) the Hoare annotation is: (and (<= 0 (+ main_~allOne~0 1)) (= (+ main_~castToInt~0 1) 0) (<= (+ (div main_~allOne~0 4294967296) 1) 0)) [2020-09-04 16:12:03,234 INFO L264 CegarLoopResult]: At program point L6(line 6) the Hoare annotation is: (and (<= 0 (+ main_~allOne~0 1)) (<= (+ (div main_~allOne~0 4294967296) 1) 0)) [2020-09-04 16:12:03,259 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.09 04:12:03 BoogieIcfgContainer [2020-09-04 16:12:03,259 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-04 16:12:03,261 INFO L168 Benchmark]: Toolchain (without parser) took 2210.53 ms. Allocated memory was 136.8 MB in the beginning and 229.6 MB in the end (delta: 92.8 MB). Free memory was 101.2 MB in the beginning and 185.8 MB in the end (delta: -84.5 MB). Peak memory consumption was 87.8 MB. Max. memory is 7.1 GB. [2020-09-04 16:12:03,262 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 136.8 MB. Free memory was 119.4 MB in the beginning and 119.2 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-04 16:12:03,263 INFO L168 Benchmark]: CACSL2BoogieTranslator took 293.90 ms. Allocated memory is still 136.8 MB. Free memory was 100.8 MB in the beginning and 91.7 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. [2020-09-04 16:12:03,264 INFO L168 Benchmark]: Boogie Preprocessor took 30.27 ms. Allocated memory is still 136.8 MB. Free memory was 91.7 MB in the beginning and 90.3 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2020-09-04 16:12:03,265 INFO L168 Benchmark]: RCFGBuilder took 351.19 ms. Allocated memory was 136.8 MB in the beginning and 199.8 MB in the end (delta: 62.9 MB). Free memory was 90.3 MB in the beginning and 168.1 MB in the end (delta: -77.7 MB). Peak memory consumption was 13.6 MB. Max. memory is 7.1 GB. [2020-09-04 16:12:03,266 INFO L168 Benchmark]: TraceAbstraction took 1529.80 ms. Allocated memory was 199.8 MB in the beginning and 229.6 MB in the end (delta: 29.9 MB). Free memory was 167.4 MB in the beginning and 185.8 MB in the end (delta: -18.4 MB). Peak memory consumption was 91.0 MB. Max. memory is 7.1 GB. [2020-09-04 16:12:03,270 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 136.8 MB. Free memory was 119.4 MB in the beginning and 119.2 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 293.90 ms. Allocated memory is still 136.8 MB. Free memory was 100.8 MB in the beginning and 91.7 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 30.27 ms. Allocated memory is still 136.8 MB. Free memory was 91.7 MB in the beginning and 90.3 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 351.19 ms. Allocated memory was 136.8 MB in the beginning and 199.8 MB in the end (delta: 62.9 MB). Free memory was 90.3 MB in the beginning and 168.1 MB in the end (delta: -77.7 MB). Peak memory consumption was 13.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1529.80 ms. Allocated memory was 199.8 MB in the beginning and 229.6 MB in the end (delta: 29.9 MB). Free memory was 167.4 MB in the beginning and 185.8 MB in the end (delta: -18.4 MB). Peak memory consumption was 91.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 17]: 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: 3]: Loop Invariant Derived loop invariant: 0 - ProcedureContractResult [Line: 3]: Procedure Contract for main Derived contract for procedure main: (((((allOne == 4294967296 * (allOne / 4294967296) + castToLong + 4294967296 && 0 <= allOne + 1) && 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 3 procedures, 18 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.2s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 9 SDtfs, 25 SDslu, 13 SDs, 0 SdLazy, 11 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=18occurred 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, 18 LocationsWithAnnotation, 18 PreInvPairs, 22 NumberOfFragments, 290 HoareAnnotationTreeSize, 18 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 18 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: No data available, 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...