/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/loop-crafted/simple_vardep_2.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-b8ad66e [2020-10-23 18:43:48,234 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-23 18:43:48,237 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-23 18:43:48,291 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-10-23 18:43:48,355 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-23 18:43:48,356 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-23 18:43:48,357 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-23 18:43:48,358 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 [2020-10-23 18:43:48,392 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-23 18:43:48,393 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-23 18:43:48,394 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-23 18:43:48,394 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-23 18:43:48,395 INFO L138 SettingsManager]: * Use SBE=true [2020-10-23 18:43:48,395 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-23 18:43:48,395 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-23 18:43:48,395 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-23 18:43:48,395 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-23 18:43:48,396 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-23 18:43:48,396 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-23 18:43:48,396 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-23 18:43:48,396 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-23 18:43:48,396 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-23 18:43:48,397 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-23 18:43:48,397 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-23 18:43:48,397 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-23 18:43:48,397 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-23 18:43:48,397 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-23 18:43:48,398 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-23 18:43:48,398 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-23 18:43:48,398 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-23 18:43:48,398 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-23 18:43:48,398 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-23 18:43:48,399 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-23 18:43:48,399 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-23 18:43:48,399 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-23 18:43:48,399 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-23 18:43:48,399 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-23 18:43:48,399 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-10-23 18:43:48,810 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-23 18:43:48,846 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-23 18:43:48,849 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-23 18:43:48,850 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-23 18:43:48,853 INFO L275 PluginConnector]: CDTParser initialized [2020-10-23 18:43:48,854 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-crafted/simple_vardep_2.c [2020-10-23 18:43:48,940 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b504ecee/b867754166fc48b49cd89d57517de5ef/FLAG5e30f2fbb [2020-10-23 18:43:49,557 INFO L306 CDTParser]: Found 1 translation units. [2020-10-23 18:43:49,558 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-crafted/simple_vardep_2.c [2020-10-23 18:43:49,565 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b504ecee/b867754166fc48b49cd89d57517de5ef/FLAG5e30f2fbb [2020-10-23 18:43:49,920 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b504ecee/b867754166fc48b49cd89d57517de5ef [2020-10-23 18:43:49,930 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-23 18:43:49,936 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-23 18:43:49,938 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-23 18:43:49,938 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-23 18:43:49,942 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-23 18:43:49,943 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 06:43:49" (1/1) ... [2020-10-23 18:43:49,947 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ff0d42a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:43:49, skipping insertion in model container [2020-10-23 18:43:49,947 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 06:43:49" (1/1) ... [2020-10-23 18:43:49,955 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-23 18:43:49,969 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-23 18:43:50,126 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-23 18:43:50,136 INFO L203 MainTranslator]: Completed pre-run [2020-10-23 18:43:50,152 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-23 18:43:50,167 INFO L208 MainTranslator]: Completed translation [2020-10-23 18:43:50,168 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:43:50 WrapperNode [2020-10-23 18:43:50,168 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-23 18:43:50,169 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-23 18:43:50,169 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-23 18:43:50,169 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-23 18:43:50,181 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:43:50" (1/1) ... [2020-10-23 18:43:50,182 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:43:50" (1/1) ... [2020-10-23 18:43:50,188 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:43:50" (1/1) ... [2020-10-23 18:43:50,189 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:43:50" (1/1) ... [2020-10-23 18:43:50,194 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:43:50" (1/1) ... [2020-10-23 18:43:50,198 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:43:50" (1/1) ... [2020-10-23 18:43:50,200 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:43:50" (1/1) ... [2020-10-23 18:43:50,202 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-23 18:43:50,203 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-23 18:43:50,203 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-23 18:43:50,203 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-23 18:43:50,204 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:43:50" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-23 18:43:50,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-23 18:43:50,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-23 18:43:50,286 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-23 18:43:50,287 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-10-23 18:43:50,287 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-23 18:43:50,288 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-23 18:43:50,288 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-23 18:43:50,288 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-23 18:43:50,288 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-23 18:43:50,289 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-10-23 18:43:50,289 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-23 18:43:50,289 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-23 18:43:50,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-23 18:43:50,290 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-23 18:43:50,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-23 18:43:50,291 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-23 18:43:50,292 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-23 18:43:50,544 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-23 18:43:50,544 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-23 18:43:50,547 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 06:43:50 BoogieIcfgContainer [2020-10-23 18:43:50,547 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-23 18:43:50,549 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-23 18:43:50,549 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-23 18:43:50,552 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-23 18:43:50,553 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.10 06:43:49" (1/3) ... [2020-10-23 18:43:50,553 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26f9e156 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 06:43:50, skipping insertion in model container [2020-10-23 18:43:50,554 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:43:50" (2/3) ... [2020-10-23 18:43:50,554 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26f9e156 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 06:43:50, skipping insertion in model container [2020-10-23 18:43:50,554 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 06:43:50" (3/3) ... [2020-10-23 18:43:50,556 INFO L111 eAbstractionObserver]: Analyzing ICFG simple_vardep_2.c [2020-10-23 18:43:50,569 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-23 18:43:50,577 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-23 18:43:50,597 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-23 18:43:50,689 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-23 18:43:50,690 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-23 18:43:50,690 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-23 18:43:50,690 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-23 18:43:50,690 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-23 18:43:50,690 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-23 18:43:50,690 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-23 18:43:50,691 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-23 18:43:50,707 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states. [2020-10-23 18:43:50,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-23 18:43:50,713 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:43:50,714 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 18:43:50,714 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:43:50,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:43:50,721 INFO L82 PathProgramCache]: Analyzing trace with hash 726330133, now seen corresponding path program 1 times [2020-10-23 18:43:50,731 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:43:50,735 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1643567583] [2020-10-23 18:43:50,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:43:50,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:43:51,485 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 34 [2020-10-23 18:43:51,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:43:51,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:43:51,591 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 18:43:51,592 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1643567583] [2020-10-23 18:43:51,593 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 18:43:51,593 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-23 18:43:51,594 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1078033501] [2020-10-23 18:43:51,599 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-23 18:43:51,599 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:43:51,613 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-23 18:43:51,614 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-10-23 18:43:51,616 INFO L87 Difference]: Start difference. First operand 22 states. Second operand 7 states. [2020-10-23 18:43:52,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:43:52,141 INFO L93 Difference]: Finished difference Result 33 states and 40 transitions. [2020-10-23 18:43:52,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-23 18:43:52,143 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 12 [2020-10-23 18:43:52,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:43:52,151 INFO L225 Difference]: With dead ends: 33 [2020-10-23 18:43:52,151 INFO L226 Difference]: Without dead ends: 0 [2020-10-23 18:43:52,158 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2020-10-23 18:43:52,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-23 18:43:52,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-23 18:43:52,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-23 18:43:52,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-23 18:43:52,189 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 12 [2020-10-23 18:43:52,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:43:52,190 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-23 18:43:52,190 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-23 18:43:52,190 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-23 18:43:52,190 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-23 18:43:52,191 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-23 18:43:52,193 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-23 18:43:52,521 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 6) no Hoare annotation was computed. [2020-10-23 18:43:52,521 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 6) the Hoare annotation is: true [2020-10-23 18:43:52,522 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 6) no Hoare annotation was computed. [2020-10-23 18:43:52,522 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 6) no Hoare annotation was computed. [2020-10-23 18:43:52,522 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-23 18:43:52,522 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#valid)| |#valid|)) [2020-10-23 18:43:52,522 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-23 18:43:52,523 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-23 18:43:52,523 INFO L277 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-10-23 18:43:52,523 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-23 18:43:52,523 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-23 18:43:52,523 INFO L277 CegarLoopResult]: At program point mainENTRY(lines 15 28) the Hoare annotation is: true [2020-10-23 18:43:52,524 INFO L270 CegarLoopResult]: At program point L25(line 25) the Hoare annotation is: (let ((.cse6 (div (* main_~i~0 2) 4294967296)) (.cse5 (div main_~j~0 4294967296))) (let ((.cse1 (+ (* 2 main_~i~0) (* 4294967296 .cse5))) (.cse0 (* 4294967296 .cse6)) (.cse2 (* 3 main_~i~0)) (.cse4 (* 4294967296 (div main_~k~0 4294967296))) (.cse3 (+ (* 4294967296 (div (* main_~i~0 3) 4294967296)) main_~k~0))) (and (<= (+ main_~j~0 .cse0) .cse1) (<= .cse2 main_~k~0) (< .cse1 (+ main_~j~0 .cse0 1)) (< .cse3 (+ .cse2 .cse4 1)) (<= .cse5 .cse6) (<= (+ .cse2 .cse4) .cse3)))) [2020-10-23 18:43:52,524 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 15 28) no Hoare annotation was computed. [2020-10-23 18:43:52,531 INFO L270 CegarLoopResult]: At program point L25-1(lines 21 26) the Hoare annotation is: (let ((.cse6 (div (* main_~i~0 2) 4294967296)) (.cse5 (div main_~j~0 4294967296))) (let ((.cse1 (+ (* 2 main_~i~0) (* 4294967296 .cse5))) (.cse0 (* 4294967296 .cse6)) (.cse2 (* 3 main_~i~0)) (.cse4 (* 4294967296 (div main_~k~0 4294967296))) (.cse3 (+ (* 4294967296 (div (* main_~i~0 3) 4294967296)) main_~k~0))) (and (<= (+ main_~j~0 .cse0) .cse1) (<= .cse2 main_~k~0) (< .cse1 (+ main_~j~0 .cse0 1)) (< .cse3 (+ .cse2 .cse4 1)) (<= .cse5 .cse6) (<= (+ .cse2 .cse4) .cse3)))) [2020-10-23 18:43:52,531 INFO L274 CegarLoopResult]: For program point L21-2(lines 15 28) no Hoare annotation was computed. [2020-10-23 18:43:52,531 INFO L277 CegarLoopResult]: At program point __VERIFIER_assertENTRY(lines 7 13) the Hoare annotation is: true [2020-10-23 18:43:52,531 INFO L270 CegarLoopResult]: At program point L10(line 10) the Hoare annotation is: (= |__VERIFIER_assert_#in~cond| 0) [2020-10-23 18:43:52,532 INFO L274 CegarLoopResult]: For program point __VERIFIER_assertEXIT(lines 7 13) no Hoare annotation was computed. [2020-10-23 18:43:52,532 INFO L274 CegarLoopResult]: For program point L9(lines 9 11) no Hoare annotation was computed. [2020-10-23 18:43:52,532 INFO L274 CegarLoopResult]: For program point L10-1(line 10) no Hoare annotation was computed. [2020-10-23 18:43:52,532 INFO L274 CegarLoopResult]: For program point L9-2(lines 7 13) no Hoare annotation was computed. [2020-10-23 18:43:52,551 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.10 06:43:52 BoogieIcfgContainer [2020-10-23 18:43:52,551 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-23 18:43:52,553 INFO L168 Benchmark]: Toolchain (without parser) took 2620.29 ms. Allocated memory is still 151.0 MB. Free memory was 126.7 MB in the beginning and 132.6 MB in the end (delta: -5.9 MB). Peak memory consumption was 50.2 MB. Max. memory is 8.0 GB. [2020-10-23 18:43:52,554 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 125.8 MB. Free memory was 101.6 MB in the beginning and 101.5 MB in the end (delta: 66.8 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-10-23 18:43:52,555 INFO L168 Benchmark]: CACSL2BoogieTranslator took 230.12 ms. Allocated memory is still 151.0 MB. Free memory was 126.2 MB in the beginning and 117.0 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. [2020-10-23 18:43:52,556 INFO L168 Benchmark]: Boogie Preprocessor took 32.76 ms. Allocated memory is still 151.0 MB. Free memory was 117.0 MB in the beginning and 115.7 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2020-10-23 18:43:52,557 INFO L168 Benchmark]: RCFGBuilder took 344.35 ms. Allocated memory is still 151.0 MB. Free memory was 115.6 MB in the beginning and 103.5 MB in the end (delta: 12.0 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. [2020-10-23 18:43:52,558 INFO L168 Benchmark]: TraceAbstraction took 2002.19 ms. Allocated memory is still 151.0 MB. Free memory was 103.1 MB in the beginning and 132.6 MB in the end (delta: -29.5 MB). Peak memory consumption was 27.1 MB. Max. memory is 8.0 GB. [2020-10-23 18:43:52,562 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 125.8 MB. Free memory was 101.6 MB in the beginning and 101.5 MB in the end (delta: 66.8 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 230.12 ms. Allocated memory is still 151.0 MB. Free memory was 126.2 MB in the beginning and 117.0 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 32.76 ms. Allocated memory is still 151.0 MB. Free memory was 117.0 MB in the beginning and 115.7 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 344.35 ms. Allocated memory is still 151.0 MB. Free memory was 115.6 MB in the beginning and 103.5 MB in the end (delta: 12.0 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. * TraceAbstraction took 2002.19 ms. Allocated memory is still 151.0 MB. Free memory was 103.1 MB in the beginning and 132.6 MB in the end (delta: -29.5 MB). Peak memory consumption was 27.1 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 6]: 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: 21]: Loop Invariant Derived loop invariant: ((((j + 4294967296 * (i * 2 / 4294967296) <= 2 * i + 4294967296 * (j / 4294967296) && 3 * i <= k) && 2 * i + 4294967296 * (j / 4294967296) < j + 4294967296 * (i * 2 / 4294967296) + 1) && 4294967296 * (i * 3 / 4294967296) + k < 3 * i + 4294967296 * (k / 4294967296) + 1) && j / 4294967296 <= i * 2 / 4294967296) && 3 * i + 4294967296 * (k / 4294967296) <= 4294967296 * (i * 3 / 4294967296) + k - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 22 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.5s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 10 SDtfs, 13 SDslu, 30 SDs, 0 SdLazy, 32 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=22occurred 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, 9 LocationsWithAnnotation, 11 PreInvPairs, 14 NumberOfFragments, 225 HoareAnnotationTreeSize, 11 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 9 FomulaSimplificationsInter, 169 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 12 NumberOfCodeBlocks, 12 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 1628 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...