/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --core.log.level.for.class de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/loop-crafted/simple_vardep_1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-c225d54 [2021-05-02 12:20:40,485 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-05-02 12:20:40,486 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-05-02 12:20:40,519 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-05-02 12:20:40,575 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-05-02 12:20:40,576 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-05-02 12:20:40,576 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-05-02 12:20:40,577 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2021-05-02 12:20:40,602 INFO L113 SettingsManager]: Loading preferences was successful [2021-05-02 12:20:40,602 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-05-02 12:20:40,605 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-05-02 12:20:40,605 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-05-02 12:20:40,605 INFO L138 SettingsManager]: * Use SBE=true [2021-05-02 12:20:40,605 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-05-02 12:20:40,605 INFO L138 SettingsManager]: * sizeof long=4 [2021-05-02 12:20:40,605 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-05-02 12:20:40,605 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-05-02 12:20:40,606 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-05-02 12:20:40,606 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-05-02 12:20:40,606 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-05-02 12:20:40,607 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-05-02 12:20:40,607 INFO L138 SettingsManager]: * sizeof long double=12 [2021-05-02 12:20:40,607 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-05-02 12:20:40,607 INFO L138 SettingsManager]: * Use constant arrays=true [2021-05-02 12:20:40,607 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-05-02 12:20:40,607 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-05-02 12:20:40,607 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-05-02 12:20:40,607 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-05-02 12:20:40,607 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-05-02 12:20:40,608 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-05-02 12:20:40,608 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-05-02 12:20:40,608 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-05-02 12:20:40,608 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-05-02 12:20:40,608 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-05-02 12:20:40,608 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-05-02 12:20:40,608 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-05-02 12:20:40,608 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2021-05-02 12:20:40,863 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-05-02 12:20:40,888 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-05-02 12:20:40,890 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-05-02 12:20:40,890 INFO L271 PluginConnector]: Initializing CDTParser... [2021-05-02 12:20:40,891 INFO L275 PluginConnector]: CDTParser initialized [2021-05-02 12:20:40,892 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-crafted/simple_vardep_1.c [2021-05-02 12:20:40,949 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ddb835bc/4a343f8842234341b046b52647380b33/FLAG705377ca9 [2021-05-02 12:20:41,317 INFO L306 CDTParser]: Found 1 translation units. [2021-05-02 12:20:41,318 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-crafted/simple_vardep_1.c [2021-05-02 12:20:41,322 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ddb835bc/4a343f8842234341b046b52647380b33/FLAG705377ca9 [2021-05-02 12:20:41,750 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ddb835bc/4a343f8842234341b046b52647380b33 [2021-05-02 12:20:41,751 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-05-02 12:20:41,753 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-05-02 12:20:41,755 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-05-02 12:20:41,755 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-05-02 12:20:41,758 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-05-02 12:20:41,758 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.05 12:20:41" (1/1) ... [2021-05-02 12:20:41,759 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52d2fde8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 12:20:41, skipping insertion in model container [2021-05-02 12:20:41,759 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.05 12:20:41" (1/1) ... [2021-05-02 12:20:41,763 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-05-02 12:20:41,774 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-05-02 12:20:41,849 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loop-crafted/simple_vardep_1.c[584,597] [2021-05-02 12:20:41,855 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-05-02 12:20:41,860 INFO L203 MainTranslator]: Completed pre-run [2021-05-02 12:20:41,868 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loop-crafted/simple_vardep_1.c[584,597] [2021-05-02 12:20:41,869 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-05-02 12:20:41,906 INFO L208 MainTranslator]: Completed translation [2021-05-02 12:20:41,906 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 12:20:41 WrapperNode [2021-05-02 12:20:41,906 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-05-02 12:20:41,907 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-05-02 12:20:41,907 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-05-02 12:20:41,907 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-05-02 12:20:41,916 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 12:20:41" (1/1) ... [2021-05-02 12:20:41,916 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 12:20:41" (1/1) ... [2021-05-02 12:20:41,922 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 12:20:41" (1/1) ... [2021-05-02 12:20:41,922 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 12:20:41" (1/1) ... [2021-05-02 12:20:41,926 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 12:20:41" (1/1) ... [2021-05-02 12:20:41,929 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 12:20:41" (1/1) ... [2021-05-02 12:20:41,933 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 12:20:41" (1/1) ... [2021-05-02 12:20:41,935 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-05-02 12:20:41,936 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-05-02 12:20:41,936 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-05-02 12:20:41,936 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-05-02 12:20:41,936 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 12:20:41" (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 [2021-05-02 12:20:41,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-05-02 12:20:41,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-05-02 12:20:41,985 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-05-02 12:20:41,985 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-05-02 12:20:41,985 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-05-02 12:20:41,985 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-05-02 12:20:41,985 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-05-02 12:20:41,985 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-05-02 12:20:41,985 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-05-02 12:20:41,986 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-05-02 12:20:41,986 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-05-02 12:20:41,986 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-05-02 12:20:41,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-05-02 12:20:41,986 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-05-02 12:20:41,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-05-02 12:20:41,988 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-05-02 12:20:41,988 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-05-02 12:20:42,189 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-05-02 12:20:42,189 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-05-02 12:20:42,190 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.05 12:20:42 BoogieIcfgContainer [2021-05-02 12:20:42,190 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-05-02 12:20:42,191 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-05-02 12:20:42,191 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-05-02 12:20:42,193 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-05-02 12:20:42,193 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.05 12:20:41" (1/3) ... [2021-05-02 12:20:42,193 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@172e5afc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.05 12:20:42, skipping insertion in model container [2021-05-02 12:20:42,194 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 12:20:41" (2/3) ... [2021-05-02 12:20:42,194 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@172e5afc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.05 12:20:42, skipping insertion in model container [2021-05-02 12:20:42,194 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.05 12:20:42" (3/3) ... [2021-05-02 12:20:42,195 INFO L111 eAbstractionObserver]: Analyzing ICFG simple_vardep_1.c [2021-05-02 12:20:42,199 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-05-02 12:20:42,201 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-05-02 12:20:42,229 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-05-02 12:20:42,244 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-05-02 12:20:42,244 INFO L377 AbstractCegarLoop]: Hoare is true [2021-05-02 12:20:42,244 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-05-02 12:20:42,244 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-05-02 12:20:42,244 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-05-02 12:20:42,245 INFO L381 AbstractCegarLoop]: Difference is false [2021-05-02 12:20:42,245 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-05-02 12:20:42,245 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-05-02 12:20:42,261 INFO L276 IsEmpty]: Start isEmpty. Operand has 18 states, 10 states have (on average 1.4) internal successors, (14), 12 states have internal predecessors, (14), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-05-02 12:20:42,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-05-02 12:20:42,264 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 12:20:42,264 INFO L523 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 12:20:42,265 INFO L428 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 12:20:42,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 12:20:42,271 INFO L82 PathProgramCache]: Analyzing trace with hash -221021474, now seen corresponding path program 1 times [2021-05-02 12:20:42,278 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 12:20:42,278 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1217949319] [2021-05-02 12:20:42,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 12:20:42,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 12:20:42,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-02 12:20:42,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 12:20:42,610 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-02 12:20:42,610 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 12:20:42,611 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1217949319] [2021-05-02 12:20:42,611 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1217949319] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-02 12:20:42,611 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-02 12:20:42,612 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-05-02 12:20:42,612 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1092454099] [2021-05-02 12:20:42,615 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-05-02 12:20:42,615 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 12:20:42,622 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-05-02 12:20:42,622 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-05-02 12:20:42,624 INFO L87 Difference]: Start difference. First operand has 18 states, 10 states have (on average 1.4) internal successors, (14), 12 states have internal predecessors, (14), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 7 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 5 states have internal predecessors, (7), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-02 12:20:42,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 12:20:42,880 INFO L93 Difference]: Finished difference Result 29 states and 36 transitions. [2021-05-02 12:20:42,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-05-02 12:20:42,881 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 5 states have internal predecessors, (7), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2021-05-02 12:20:42,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 12:20:42,884 INFO L225 Difference]: With dead ends: 29 [2021-05-02 12:20:42,885 INFO L226 Difference]: Without dead ends: 0 [2021-05-02 12:20:42,901 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 230.9ms TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2021-05-02 12:20:42,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-05-02 12:20:42,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-05-02 12:20:42,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-02 12:20:42,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-05-02 12:20:42,915 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 11 [2021-05-02 12:20:42,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 12:20:42,915 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-05-02 12:20:42,915 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 5 states have internal predecessors, (7), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-02 12:20:42,915 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-05-02 12:20:42,915 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-05-02 12:20:42,916 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-05-02 12:20:42,917 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-05-02 12:20:43,072 INFO L198 CegarLoopUtils]: For program point reach_errorEXIT(line 6) no Hoare annotation was computed. [2021-05-02 12:20:43,073 INFO L198 CegarLoopUtils]: For program point reach_errorENTRY(line 6) no Hoare annotation was computed. [2021-05-02 12:20:43,073 INFO L198 CegarLoopUtils]: For program point reach_errorFINAL(line 6) no Hoare annotation was computed. [2021-05-02 12:20:43,073 INFO L198 CegarLoopUtils]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2021-05-02 12:20:43,074 INFO L194 CegarLoopUtils]: 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|)) [2021-05-02 12:20:43,074 INFO L198 CegarLoopUtils]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2021-05-02 12:20:43,074 INFO L198 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-05-02 12:20:43,074 INFO L201 CegarLoopUtils]: At program point L-1(line -1) the Hoare annotation is: true [2021-05-02 12:20:43,074 INFO L201 CegarLoopUtils]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2021-05-02 12:20:43,074 INFO L198 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-05-02 12:20:43,074 INFO L201 CegarLoopUtils]: At program point mainENTRY(lines 15 29) the Hoare annotation is: true [2021-05-02 12:20:43,075 INFO L194 CegarLoopUtils]: At program point L26(line 26) the Hoare annotation is: (let ((.cse2 (+ main_~i~0 main_~j~0))) (let ((.cse1 (+ (* 4294967296 (div .cse2 4294967296)) main_~k~0)) (.cse0 (* 4294967296 (div main_~k~0 4294967296)))) (and (<= (+ main_~i~0 main_~j~0 .cse0) .cse1) (< .cse1 (+ main_~i~0 main_~j~0 .cse0 1)) (<= .cse2 main_~k~0)))) [2021-05-02 12:20:43,075 INFO L194 CegarLoopUtils]: At program point L26-1(lines 21 27) the Hoare annotation is: (let ((.cse2 (+ main_~i~0 main_~j~0))) (let ((.cse1 (+ (* 4294967296 (div .cse2 4294967296)) main_~k~0)) (.cse0 (* 4294967296 (div main_~k~0 4294967296)))) (and (<= (+ main_~i~0 main_~j~0 .cse0) .cse1) (< .cse1 (+ main_~i~0 main_~j~0 .cse0 1)) (<= .cse2 main_~k~0)))) [2021-05-02 12:20:43,075 INFO L198 CegarLoopUtils]: For program point mainEXIT(lines 15 29) no Hoare annotation was computed. [2021-05-02 12:20:43,076 INFO L198 CegarLoopUtils]: For program point L21-2(lines 15 29) no Hoare annotation was computed. [2021-05-02 12:20:43,076 INFO L201 CegarLoopUtils]: At program point __VERIFIER_assertENTRY(lines 7 13) the Hoare annotation is: true [2021-05-02 12:20:43,076 INFO L198 CegarLoopUtils]: For program point L10(line 10) no Hoare annotation was computed. [2021-05-02 12:20:43,076 INFO L198 CegarLoopUtils]: For program point __VERIFIER_assertEXIT(lines 7 13) no Hoare annotation was computed. [2021-05-02 12:20:43,076 INFO L198 CegarLoopUtils]: For program point L9(lines 9 11) no Hoare annotation was computed. [2021-05-02 12:20:43,076 INFO L198 CegarLoopUtils]: For program point L9-2(lines 7 13) no Hoare annotation was computed. [2021-05-02 12:20:43,076 INFO L198 CegarLoopUtils]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 10) no Hoare annotation was computed. [2021-05-02 12:20:43,090 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.05 12:20:43 BoogieIcfgContainer [2021-05-02 12:20:43,090 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-05-02 12:20:43,093 INFO L168 Benchmark]: Toolchain (without parser) took 1338.60 ms. Allocated memory is still 189.8 MB. Free memory was 154.9 MB in the beginning and 73.1 MB in the end (delta: 81.7 MB). Peak memory consumption was 81.1 MB. Max. memory is 8.0 GB. [2021-05-02 12:20:43,094 INFO L168 Benchmark]: CDTParser took 0.09 ms. Allocated memory is still 189.8 MB. Free memory is still 171.4 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-05-02 12:20:43,096 INFO L168 Benchmark]: CACSL2BoogieTranslator took 151.48 ms. Allocated memory is still 189.8 MB. Free memory was 154.7 MB in the beginning and 173.6 MB in the end (delta: -19.0 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. [2021-05-02 12:20:43,096 INFO L168 Benchmark]: Boogie Preprocessor took 27.98 ms. Allocated memory is still 189.8 MB. Free memory was 173.6 MB in the beginning and 172.1 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-05-02 12:20:43,097 INFO L168 Benchmark]: RCFGBuilder took 254.30 ms. Allocated memory is still 189.8 MB. Free memory was 172.1 MB in the beginning and 159.6 MB in the end (delta: 12.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2021-05-02 12:20:43,097 INFO L168 Benchmark]: TraceAbstraction took 899.73 ms. Allocated memory is still 189.8 MB. Free memory was 159.1 MB in the beginning and 73.1 MB in the end (delta: 86.0 MB). Peak memory consumption was 86.0 MB. Max. memory is 8.0 GB. [2021-05-02 12:20:43,105 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09 ms. Allocated memory is still 189.8 MB. Free memory is still 171.4 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 151.48 ms. Allocated memory is still 189.8 MB. Free memory was 154.7 MB in the beginning and 173.6 MB in the end (delta: -19.0 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 27.98 ms. Allocated memory is still 189.8 MB. Free memory was 173.6 MB in the beginning and 172.1 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 254.30 ms. Allocated memory is still 189.8 MB. Free memory was 172.1 MB in the beginning and 159.6 MB in the end (delta: 12.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 899.73 ms. Allocated memory is still 189.8 MB. Free memory was 159.1 MB in the beginning and 73.1 MB in the end (delta: 86.0 MB). Peak memory consumption was 86.0 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 10]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 21 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 673.5ms, OverallIterations: 1, TraceHistogramMax: 1, EmptinessCheckTime: 7.3ms, AutomataDifference: 271.7ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 156.2ms, InitialAbstractionConstructionTime: 11.7ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 10 SDtfs, 13 SDslu, 30 SDs, 0 SdLazy, 32 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 93.7ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 230.9ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=18occurred in iteration=0, InterpolantAutomatonStates: 7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 5.3ms AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 7 LocationsWithAnnotation, 8 PreInvPairs, 11 NumberOfFragments, 121 HoareAnnotationTreeSize, 8 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 35.1ms HoareSimplificationTime, 7 FomulaSimplificationsInter, 169 FormulaSimplificationTreeSizeReductionInter, 115.0ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 13.1ms SsaConstructionTime, 64.8ms SatisfiabilityAnalysisTime, 213.7ms InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 97 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: (i + j + 4294967296 * (k / 4294967296) <= 4294967296 * ((i + j) / 4294967296) + k && 4294967296 * ((i + j) / 4294967296) + k < i + j + 4294967296 * (k / 4294967296) + 1) && i + j <= k RESULT: Ultimate proved your program to be correct! Received shutdown request...