/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration false -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/loop-industry-pattern/mod3.c.v+sep-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 15:09:01,697 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 15:09:01,703 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 15:09:01,749 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-09-24 15:09:01,772 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 15:09:01,775 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 15:09:01,778 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 15:09:01,780 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 15:09:01,782 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 15:09:01,783 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 15:09:01,785 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 15:09:01,793 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 15:09:01,795 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 15:09:01,796 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 15:09:01,797 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 15:09:01,798 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 15:09:01,810 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-09-24 15:09:01,830 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 15:09:01,831 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 15:09:01,832 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 15:09:01,834 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-24 15:09:01,873 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 15:09:01,874 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 15:09:01,875 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 15:09:01,875 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 15:09:01,876 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 15:09:01,876 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 15:09:01,876 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 15:09:01,876 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 15:09:01,876 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 15:09:01,877 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 15:09:01,877 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 15:09:01,877 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 15:09:01,877 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 15:09:01,877 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 15:09:01,878 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 15:09:01,878 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 15:09:01,878 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 15:09:01,878 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 15:09:01,878 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 15:09:01,879 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 15:09:01,879 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 15:09:01,879 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 15:09:01,879 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 15:09:01,880 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 15:09:01,880 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 15:09:01,880 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 15:09:01,880 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 15:09:01,880 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 15:09:01,881 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 15:09:01,881 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> false [2020-09-24 15:09:02,331 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 15:09:02,352 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 15:09:02,357 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 15:09:02,359 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 15:09:02,360 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 15:09:02,361 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-industry-pattern/mod3.c.v+sep-reducer.c [2020-09-24 15:09:02,449 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6b189bcdb/9d0c6fd1c07d4bb99c4b544261696529/FLAG372b86432 [2020-09-24 15:09:02,993 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 15:09:02,994 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/loop-industry-pattern/mod3.c.v+sep-reducer.c [2020-09-24 15:09:03,008 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6b189bcdb/9d0c6fd1c07d4bb99c4b544261696529/FLAG372b86432 [2020-09-24 15:09:03,305 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6b189bcdb/9d0c6fd1c07d4bb99c4b544261696529 [2020-09-24 15:09:03,318 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 15:09:03,322 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 15:09:03,325 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 15:09:03,325 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 15:09:03,329 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 15:09:03,331 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 03:09:03" (1/1) ... [2020-09-24 15:09:03,336 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67fe5b14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:09:03, skipping insertion in model container [2020-09-24 15:09:03,336 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 03:09:03" (1/1) ... [2020-09-24 15:09:03,348 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 15:09:03,388 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 15:09:03,619 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 15:09:03,626 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 15:09:03,657 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 15:09:03,675 INFO L208 MainTranslator]: Completed translation [2020-09-24 15:09:03,676 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:09:03 WrapperNode [2020-09-24 15:09:03,676 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 15:09:03,677 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 15:09:03,677 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 15:09:03,677 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 15:09:03,778 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:09:03" (1/1) ... [2020-09-24 15:09:03,778 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:09:03" (1/1) ... [2020-09-24 15:09:03,786 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:09:03" (1/1) ... [2020-09-24 15:09:03,786 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:09:03" (1/1) ... [2020-09-24 15:09:03,792 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:09:03" (1/1) ... [2020-09-24 15:09:03,796 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:09:03" (1/1) ... [2020-09-24 15:09:03,797 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:09:03" (1/1) ... [2020-09-24 15:09:03,800 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 15:09:03,800 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 15:09:03,800 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 15:09:03,801 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 15:09:03,802 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:09:03" (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 [2020-09-24 15:09:03,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 15:09:03,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 15:09:03,880 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 15:09:03,881 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 15:09:03,882 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 15:09:03,883 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-09-24 15:09:03,884 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 15:09:03,884 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 15:09:03,885 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 15:09:04,274 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 15:09:04,275 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-09-24 15:09:04,281 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 03:09:04 BoogieIcfgContainer [2020-09-24 15:09:04,281 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 15:09:04,282 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 15:09:04,283 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 15:09:04,286 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 15:09:04,287 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 03:09:03" (1/3) ... [2020-09-24 15:09:04,288 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ec2df6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 03:09:04, skipping insertion in model container [2020-09-24 15:09:04,288 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:09:03" (2/3) ... [2020-09-24 15:09:04,288 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ec2df6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 03:09:04, skipping insertion in model container [2020-09-24 15:09:04,289 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 03:09:04" (3/3) ... [2020-09-24 15:09:04,291 INFO L109 eAbstractionObserver]: Analyzing ICFG mod3.c.v+sep-reducer.c [2020-09-24 15:09:04,301 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 15:09:04,310 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 15:09:04,329 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 15:09:04,360 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 15:09:04,360 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 15:09:04,361 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 15:09:04,361 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 15:09:04,361 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 15:09:04,361 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 15:09:04,361 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 15:09:04,362 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 15:09:04,384 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states. [2020-09-24 15:09:04,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-09-24 15:09:04,393 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:09:04,394 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:09:04,395 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:09:04,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:09:04,401 INFO L82 PathProgramCache]: Analyzing trace with hash 421001685, now seen corresponding path program 1 times [2020-09-24 15:09:04,410 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:09:04,411 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [171841125] [2020-09-24 15:09:04,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:09:04,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:09:05,167 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 23 [2020-09-24 15:09:05,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:09:05,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:09:05,303 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:09:05,304 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [171841125] [2020-09-24 15:09:05,308 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:09:05,308 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-24 15:09:05,310 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1170626280] [2020-09-24 15:09:05,318 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-24 15:09:05,319 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:09:05,337 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-24 15:09:05,338 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-09-24 15:09:05,341 INFO L87 Difference]: Start difference. First operand 89 states. Second operand 7 states. [2020-09-24 15:09:14,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:09:14,983 INFO L93 Difference]: Finished difference Result 219 states and 247 transitions. [2020-09-24 15:09:14,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-24 15:09:14,989 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 36 [2020-09-24 15:09:14,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:09:15,013 INFO L225 Difference]: With dead ends: 219 [2020-09-24 15:09:15,013 INFO L226 Difference]: Without dead ends: 118 [2020-09-24 15:09:15,021 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-09-24 15:09:15,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2020-09-24 15:09:15,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 87. [2020-09-24 15:09:15,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2020-09-24 15:09:15,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 93 transitions. [2020-09-24 15:09:15,080 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 93 transitions. Word has length 36 [2020-09-24 15:09:15,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:09:15,081 INFO L479 AbstractCegarLoop]: Abstraction has 87 states and 93 transitions. [2020-09-24 15:09:15,081 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-24 15:09:15,082 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 93 transitions. [2020-09-24 15:09:15,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-09-24 15:09:15,084 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:09:15,084 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:09:15,084 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 15:09:15,085 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:09:15,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:09:15,085 INFO L82 PathProgramCache]: Analyzing trace with hash -2025352708, now seen corresponding path program 1 times [2020-09-24 15:09:15,085 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:09:15,086 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1007738049] [2020-09-24 15:09:15,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:09:15,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:09:15,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:09:15,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:09:15,544 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:09:15,545 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1007738049] [2020-09-24 15:09:15,545 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:09:15,546 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-24 15:09:15,546 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [328552106] [2020-09-24 15:09:15,548 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-24 15:09:15,548 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:09:15,549 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-24 15:09:15,549 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-09-24 15:09:15,549 INFO L87 Difference]: Start difference. First operand 87 states and 93 transitions. Second operand 7 states. [2020-09-24 15:09:22,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:09:22,616 INFO L93 Difference]: Finished difference Result 183 states and 200 transitions. [2020-09-24 15:09:22,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-24 15:09:22,618 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 37 [2020-09-24 15:09:22,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:09:22,619 INFO L225 Difference]: With dead ends: 183 [2020-09-24 15:09:22,619 INFO L226 Difference]: Without dead ends: 0 [2020-09-24 15:09:22,621 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-09-24 15:09:22,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-24 15:09:22,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-24 15:09:22,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-24 15:09:22,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-24 15:09:22,622 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 37 [2020-09-24 15:09:22,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:09:22,623 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-24 15:09:22,623 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-24 15:09:22,623 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-24 15:09:22,623 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-24 15:09:22,623 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 15:09:22,626 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-24 15:09:22,748 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-24 15:09:22,749 INFO L268 CegarLoopResult]: For program point L12(line 12) no Hoare annotation was computed. [2020-09-24 15:09:22,749 INFO L268 CegarLoopResult]: For program point L11(line 11) no Hoare annotation was computed. [2020-09-24 15:09:22,749 INFO L268 CegarLoopResult]: For program point L10(line 10) no Hoare annotation was computed. [2020-09-24 15:09:22,749 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~__tmp_22_0~0 |old(~__tmp_22_0~0)|) (= ~__tmp_22_1~0 |old(~__tmp_22_1~0)|) (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_65~0 |old(~__return_65~0)|) (= ~__tmp_25_1~0 |old(~__tmp_25_1~0)|) (= ~__tmp_31_0~0 |old(~__tmp_31_0~0)|) (= ~__tmp_28_0~0 |old(~__tmp_28_0~0)|) (= ~__tmp_25_0~0 |old(~__tmp_25_0~0)|)) [2020-09-24 15:09:22,750 INFO L268 CegarLoopResult]: For program point L9(line 9) no Hoare annotation was computed. [2020-09-24 15:09:22,750 INFO L268 CegarLoopResult]: For program point L8(line 8) no Hoare annotation was computed. [2020-09-24 15:09:22,750 INFO L268 CegarLoopResult]: For program point L7(line 7) no Hoare annotation was computed. [2020-09-24 15:09:22,750 INFO L268 CegarLoopResult]: For program point L6(line 6) no Hoare annotation was computed. [2020-09-24 15:09:22,750 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-24 15:09:22,750 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-24 15:09:22,751 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-09-24 15:09:22,751 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-24 15:09:22,751 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-24 15:09:22,751 INFO L268 CegarLoopResult]: For program point L93(lines 93 102) no Hoare annotation was computed. [2020-09-24 15:09:22,751 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 13 145) no Hoare annotation was computed. [2020-09-24 15:09:22,752 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-09-24 15:09:22,752 INFO L268 CegarLoopResult]: For program point L19(line 19) no Hoare annotation was computed. [2020-09-24 15:09:22,752 INFO L268 CegarLoopResult]: For program point L19-1(line 19) no Hoare annotation was computed. [2020-09-24 15:09:22,752 INFO L268 CegarLoopResult]: For program point L19-2(line 19) no Hoare annotation was computed. [2020-09-24 15:09:22,752 INFO L268 CegarLoopResult]: For program point L143(line 143) no Hoare annotation was computed. [2020-09-24 15:09:22,752 INFO L268 CegarLoopResult]: For program point L77(line 77) no Hoare annotation was computed. [2020-09-24 15:09:22,753 INFO L268 CegarLoopResult]: For program point L135(line 135) no Hoare annotation was computed. [2020-09-24 15:09:22,753 INFO L268 CegarLoopResult]: For program point L69(line 69) no Hoare annotation was computed. [2020-09-24 15:09:22,753 INFO L268 CegarLoopResult]: For program point L36(line 36) no Hoare annotation was computed. [2020-09-24 15:09:22,753 INFO L268 CegarLoopResult]: For program point L119(line 119) no Hoare annotation was computed. [2020-09-24 15:09:22,753 INFO L268 CegarLoopResult]: For program point L86(lines 86 108) no Hoare annotation was computed. [2020-09-24 15:09:22,753 INFO L268 CegarLoopResult]: For program point L20(lines 20 144) no Hoare annotation was computed. [2020-09-24 15:09:22,754 INFO L268 CegarLoopResult]: For program point L78(line 78) no Hoare annotation was computed. [2020-09-24 15:09:22,754 INFO L268 CegarLoopResult]: For program point L45(lines 45 82) no Hoare annotation was computed. [2020-09-24 15:09:22,754 INFO L271 CegarLoopResult]: At program point L136(lines 14 145) the Hoare annotation is: true [2020-09-24 15:09:22,754 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-09-24 15:09:22,754 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-09-24 15:09:22,755 INFO L268 CegarLoopResult]: For program point L95(line 95) no Hoare annotation was computed. [2020-09-24 15:09:22,755 INFO L268 CegarLoopResult]: For program point L120(line 120) no Hoare annotation was computed. [2020-09-24 15:09:22,755 INFO L268 CegarLoopResult]: For program point L54(lines 54 81) no Hoare annotation was computed. [2020-09-24 15:09:22,755 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 13 145) no Hoare annotation was computed. [2020-09-24 15:09:22,755 INFO L268 CegarLoopResult]: For program point L129(line 129) no Hoare annotation was computed. [2020-09-24 15:09:22,756 INFO L268 CegarLoopResult]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 95) no Hoare annotation was computed. [2020-09-24 15:09:22,756 INFO L268 CegarLoopResult]: For program point L96(line 96) no Hoare annotation was computed. [2020-09-24 15:09:22,756 INFO L268 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-09-24 15:09:22,756 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 13 145) the Hoare annotation is: (and (= |old(~__tmp_22_1~0)| ~__tmp_22_1~0) (= |old(~__tmp_22_0~0)| ~__tmp_22_0~0) (= |old(~__return_65~0)| ~__return_65~0) (= |old(~__tmp_25_1~0)| ~__tmp_25_1~0) (= |old(~__tmp_25_0~0)| ~__tmp_25_0~0) (= |old(~__tmp_31_0~0)| ~__tmp_31_0~0) (= |old(~__tmp_28_0~0)| ~__tmp_28_0~0)) [2020-09-24 15:09:22,756 INFO L271 CegarLoopResult]: At program point L121(lines 33 138) the Hoare annotation is: true [2020-09-24 15:09:22,757 INFO L268 CegarLoopResult]: For program point L22(lines 22 139) no Hoare annotation was computed. [2020-09-24 15:09:22,757 INFO L268 CegarLoopResult]: For program point L113(line 113) no Hoare annotation was computed. [2020-09-24 15:09:22,757 INFO L268 CegarLoopResult]: For program point L47(line 47) no Hoare annotation was computed. [2020-09-24 15:09:22,757 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-09-24 15:09:22,757 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-09-24 15:09:22,757 INFO L268 CegarLoopResult]: For program point L64-1(line 64) no Hoare annotation was computed. [2020-09-24 15:09:22,758 INFO L268 CegarLoopResult]: For program point L64-2(line 64) no Hoare annotation was computed. [2020-09-24 15:09:22,758 INFO L268 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-09-24 15:09:22,758 INFO L268 CegarLoopResult]: For program point L56(line 56) no Hoare annotation was computed. [2020-09-24 15:09:22,758 INFO L268 CegarLoopResult]: For program point L114(line 114) no Hoare annotation was computed. [2020-09-24 15:09:22,758 INFO L268 CegarLoopResult]: For program point L114-1(line 114) no Hoare annotation was computed. [2020-09-24 15:09:22,758 INFO L268 CegarLoopResult]: For program point L48(line 48) no Hoare annotation was computed. [2020-09-24 15:09:22,758 INFO L268 CegarLoopResult]: For program point L114-2(line 114) no Hoare annotation was computed. [2020-09-24 15:09:22,759 INFO L264 CegarLoopResult]: At program point L40(lines 22 139) the Hoare annotation is: (= (let ((.cse0 (div main_~main__x~0 4294967296))) (+ (* .cse0 4294967296) (* (div (+ (* .cse0 (- 4294967296)) main_~main__x~0) 3) 3))) main_~main__x~0) [2020-09-24 15:09:22,759 INFO L268 CegarLoopResult]: For program point L131(line 131) no Hoare annotation was computed. [2020-09-24 15:09:22,759 INFO L268 CegarLoopResult]: For program point L65(lines 65 80) no Hoare annotation was computed. [2020-09-24 15:09:22,759 INFO L268 CegarLoopResult]: For program point L123(line 123) no Hoare annotation was computed. [2020-09-24 15:09:22,759 INFO L268 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-09-24 15:09:22,759 INFO L268 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed. [2020-09-24 15:09:22,760 INFO L268 CegarLoopResult]: For program point L24(line 24) no Hoare annotation was computed. [2020-09-24 15:09:22,760 INFO L268 CegarLoopResult]: For program point L115(lines 115 137) no Hoare annotation was computed. [2020-09-24 15:09:22,760 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-09-24 15:09:22,760 INFO L268 CegarLoopResult]: For program point L16(line 16) no Hoare annotation was computed. [2020-09-24 15:09:22,760 INFO L268 CegarLoopResult]: For program point L107(line 107) no Hoare annotation was computed. [2020-09-24 15:09:22,760 INFO L268 CegarLoopResult]: For program point L132(line 132) no Hoare annotation was computed. [2020-09-24 15:09:22,761 INFO L268 CegarLoopResult]: For program point L33(lines 33 138) no Hoare annotation was computed. [2020-09-24 15:09:22,761 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-09-24 15:09:22,761 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-09-24 15:09:22,761 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-09-24 15:09:22,761 INFO L264 CegarLoopResult]: At program point L50(lines 22 139) the Hoare annotation is: (= (let ((.cse0 (div main_~main__x~0 4294967296))) (+ (* 4294967296 .cse0) (* 3 (div (+ (* .cse0 (- 4294967296)) main_~main__x~0) 3)))) main_~main__x~0) [2020-09-24 15:09:22,761 INFO L268 CegarLoopResult]: For program point L75(line 75) no Hoare annotation was computed. [2020-09-24 15:09:22,762 INFO L268 CegarLoopResult]: For program point L42(line 42) no Hoare annotation was computed. [2020-09-24 15:09:22,762 INFO L268 CegarLoopResult]: For program point L42-1(line 42) no Hoare annotation was computed. [2020-09-24 15:09:22,762 INFO L268 CegarLoopResult]: For program point L42-2(line 42) no Hoare annotation was computed. [2020-09-24 15:09:22,762 INFO L271 CegarLoopResult]: At program point L133(lines 33 138) the Hoare annotation is: true [2020-09-24 15:09:22,762 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-09-24 15:09:22,762 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-09-24 15:09:22,763 INFO L268 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-09-24 15:09:22,763 INFO L264 CegarLoopResult]: At program point L59(lines 34 110) the Hoare annotation is: (<= main_~main__x~0 (let ((.cse0 (div main_~main__x~0 4294967296))) (let ((.cse2 (* .cse0 (- 4294967296)))) (let ((.cse1 (div (+ .cse2 main_~main__x~0) 3))) (+ (* 4294967296 .cse0) (* 3 .cse1) (* 4294967298 (div (+ .cse2 (* .cse1 (- 3)) main_~main__x~0) 4294967296))))))) [2020-09-24 15:09:22,763 INFO L268 CegarLoopResult]: For program point L26(line 26) no Hoare annotation was computed. [2020-09-24 15:09:22,763 INFO L268 CegarLoopResult]: For program point L117(line 117) no Hoare annotation was computed. [2020-09-24 15:09:22,763 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-09-24 15:09:22,764 INFO L268 CegarLoopResult]: For program point L43(lines 43 109) no Hoare annotation was computed. [2020-09-24 15:09:22,764 INFO L268 CegarLoopResult]: For program point L101(line 101) no Hoare annotation was computed. [2020-09-24 15:09:22,764 INFO L268 CegarLoopResult]: For program point L68(line 68) no Hoare annotation was computed. [2020-09-24 15:09:22,764 INFO L268 CegarLoopResult]: For program point L35(line 35) no Hoare annotation was computed. [2020-09-24 15:09:22,789 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.09 03:09:22 BoogieIcfgContainer [2020-09-24 15:09:22,789 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-24 15:09:22,792 INFO L168 Benchmark]: Toolchain (without parser) took 19472.09 ms. Allocated memory was 142.1 MB in the beginning and 241.7 MB in the end (delta: 99.6 MB). Free memory was 105.1 MB in the beginning and 170.1 MB in the end (delta: -65.0 MB). Peak memory consumption was 34.6 MB. Max. memory is 7.1 GB. [2020-09-24 15:09:22,793 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 142.1 MB. Free memory was 123.6 MB in the beginning and 123.4 MB in the end (delta: 209.7 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-24 15:09:22,794 INFO L168 Benchmark]: CACSL2BoogieTranslator took 351.61 ms. Allocated memory is still 142.1 MB. Free memory was 104.5 MB in the beginning and 93.8 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 7.1 GB. [2020-09-24 15:09:22,795 INFO L168 Benchmark]: Boogie Preprocessor took 123.13 ms. Allocated memory was 142.1 MB in the beginning and 205.0 MB in the end (delta: 62.9 MB). Free memory was 93.8 MB in the beginning and 183.2 MB in the end (delta: -89.4 MB). Peak memory consumption was 12.7 MB. Max. memory is 7.1 GB. [2020-09-24 15:09:22,796 INFO L168 Benchmark]: RCFGBuilder took 480.80 ms. Allocated memory is still 205.0 MB. Free memory was 183.2 MB in the beginning and 162.2 MB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 7.1 GB. [2020-09-24 15:09:22,797 INFO L168 Benchmark]: TraceAbstraction took 18507.03 ms. Allocated memory was 205.0 MB in the beginning and 241.7 MB in the end (delta: 36.7 MB). Free memory was 162.2 MB in the beginning and 170.1 MB in the end (delta: -8.0 MB). Peak memory consumption was 28.7 MB. Max. memory is 7.1 GB. [2020-09-24 15:09:22,801 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 142.1 MB. Free memory was 123.6 MB in the beginning and 123.4 MB in the end (delta: 209.7 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 351.61 ms. Allocated memory is still 142.1 MB. Free memory was 104.5 MB in the beginning and 93.8 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 123.13 ms. Allocated memory was 142.1 MB in the beginning and 205.0 MB in the end (delta: 62.9 MB). Free memory was 93.8 MB in the beginning and 183.2 MB in the end (delta: -89.4 MB). Peak memory consumption was 12.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 480.80 ms. Allocated memory is still 205.0 MB. Free memory was 183.2 MB in the beginning and 162.2 MB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 18507.03 ms. Allocated memory was 205.0 MB in the beginning and 241.7 MB in the end (delta: 36.7 MB). Free memory was 162.2 MB in the beginning and 170.1 MB in the end (delta: -8.0 MB). Peak memory consumption was 28.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 95]: 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: 34]: Loop Invariant Derived loop invariant: main__x <= 4294967296 * (main__x / 4294967296) + 3 * ((main__x / 4294967296 * -4294967296 + main__x) / 3) + 4294967298 * ((main__x / 4294967296 * -4294967296 + (main__x / 4294967296 * -4294967296 + main__x) / 3 * -3 + main__x) / 4294967296) - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: 4294967296 * (main__x / 4294967296) + 3 * ((main__x / 4294967296 * -4294967296 + main__x) / 3) == main__x - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: main__x / 4294967296 * 4294967296 + (main__x / 4294967296 * -4294967296 + main__x) / 3 * 3 == main__x - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 89 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 18.2s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 16.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 174 SDtfs, 96 SDslu, 431 SDs, 0 SdLazy, 485 SolverSat, 11 SolverUnsat, 7 SolverUnknown, 0 SolverNotchecked, 15.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 25 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=89occurred 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, 31 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 10 LocationsWithAnnotation, 10 PreInvPairs, 18 NumberOfFragments, 131 HoareAnnotationTreeSize, 10 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 10 FomulaSimplificationsInter, 45 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 73 NumberOfCodeBlocks, 73 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 71 ConstructedInterpolants, 0 QuantifiedInterpolants, 32050 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...