/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/ldv-regression/test11.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-86f66a4 [2020-07-07 13:24:13,381 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-07 13:24:13,384 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-07 13:24:13,402 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-07 13:24:13,403 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-07 13:24:13,405 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-07 13:24:13,407 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-07 13:24:13,416 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-07 13:24:13,420 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-07 13:24:13,424 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-07 13:24:13,426 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-07 13:24:13,428 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-07 13:24:13,428 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-07 13:24:13,430 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-07 13:24:13,432 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-07 13:24:13,433 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-07 13:24:13,434 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-07 13:24:13,435 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-07 13:24:13,436 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-07 13:24:13,441 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-07 13:24:13,445 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-07 13:24:13,448 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-07 13:24:13,449 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-07 13:24:13,450 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-07 13:24:13,453 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-07 13:24:13,462 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-07 13:24:13,462 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-07 13:24:13,464 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-07 13:24:13,465 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-07 13:24:13,476 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-07 13:24:13,477 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-07 13:24:13,478 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-07 13:24:13,478 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-07 13:24:13,478 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-07 13:24:13,479 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-07 13:24:13,479 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-07 13:24:13,479 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-07 13:24:13,479 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-07 13:24:13,479 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-07 13:24:13,480 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-07 13:24:13,480 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-07 13:24:13,480 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-07 13:24:13,480 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-07 13:24:13,480 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-07 13:24:13,481 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-07 13:24:13,481 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-07 13:24:13,481 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-07 13:24:13,481 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-07 13:24:13,481 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-07 13:24:13,482 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-07 13:24:13,482 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-07 13:24:13,482 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-07-07 13:24:13,749 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-07 13:24:13,764 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-07 13:24:13,770 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-07 13:24:13,771 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-07 13:24:13,772 INFO L275 PluginConnector]: CDTParser initialized [2020-07-07 13:24:13,772 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test11.c [2020-07-07 13:24:13,852 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2297fd579/18dc2f1deb784daca9da6d63454ad4bc/FLAG875c77d16 [2020-07-07 13:24:14,282 INFO L306 CDTParser]: Found 1 translation units. [2020-07-07 13:24:14,283 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test11.c [2020-07-07 13:24:14,290 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2297fd579/18dc2f1deb784daca9da6d63454ad4bc/FLAG875c77d16 [2020-07-07 13:24:14,627 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2297fd579/18dc2f1deb784daca9da6d63454ad4bc [2020-07-07 13:24:14,636 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-07 13:24:14,638 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-07 13:24:14,639 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-07 13:24:14,639 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-07 13:24:14,643 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-07 13:24:14,644 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 01:24:14" (1/1) ... [2020-07-07 13:24:14,647 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60a948c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 01:24:14, skipping insertion in model container [2020-07-07 13:24:14,648 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 01:24:14" (1/1) ... [2020-07-07 13:24:14,656 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-07 13:24:14,680 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-07 13:24:14,917 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 13:24:14,930 INFO L203 MainTranslator]: Completed pre-run [2020-07-07 13:24:14,952 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 13:24:14,972 INFO L208 MainTranslator]: Completed translation [2020-07-07 13:24:14,972 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 01:24:14 WrapperNode [2020-07-07 13:24:14,972 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-07 13:24:14,973 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-07 13:24:14,973 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-07 13:24:14,973 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-07 13:24:15,079 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 01:24:14" (1/1) ... [2020-07-07 13:24:15,079 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 01:24:14" (1/1) ... [2020-07-07 13:24:15,088 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 01:24:14" (1/1) ... [2020-07-07 13:24:15,089 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 01:24:14" (1/1) ... [2020-07-07 13:24:15,096 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 01:24:14" (1/1) ... [2020-07-07 13:24:15,099 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 01:24:14" (1/1) ... [2020-07-07 13:24:15,100 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 01:24:14" (1/1) ... [2020-07-07 13:24:15,103 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-07 13:24:15,103 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-07 13:24:15,103 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-07 13:24:15,103 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-07 13:24:15,104 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 01:24:14" (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 [2020-07-07 13:24:15,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-07 13:24:15,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-07 13:24:15,167 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dummy [2020-07-07 13:24:15,167 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-07 13:24:15,167 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-07 13:24:15,167 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-07 13:24:15,167 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-07-07 13:24:15,167 INFO L130 BoogieDeclarations]: Found specification of procedure get_dummy [2020-07-07 13:24:15,167 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-07 13:24:15,167 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-07 13:24:15,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-07 13:24:15,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-07 13:24:15,168 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-07 13:24:15,168 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-07 13:24:15,168 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-07 13:24:15,168 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-07 13:24:15,471 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-07 13:24:15,472 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-07-07 13:24:15,479 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 01:24:15 BoogieIcfgContainer [2020-07-07 13:24:15,479 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-07 13:24:15,491 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-07 13:24:15,491 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-07 13:24:15,503 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-07 13:24:15,504 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.07 01:24:14" (1/3) ... [2020-07-07 13:24:15,507 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1aa3a01e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 01:24:15, skipping insertion in model container [2020-07-07 13:24:15,507 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 01:24:14" (2/3) ... [2020-07-07 13:24:15,508 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1aa3a01e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 01:24:15, skipping insertion in model container [2020-07-07 13:24:15,508 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 01:24:15" (3/3) ... [2020-07-07 13:24:15,513 INFO L109 eAbstractionObserver]: Analyzing ICFG test11.c [2020-07-07 13:24:15,537 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-07 13:24:15,544 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-07 13:24:15,568 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-07 13:24:15,596 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-07 13:24:15,596 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-07 13:24:15,597 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-07-07 13:24:15,598 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-07 13:24:15,599 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-07 13:24:15,599 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-07 13:24:15,599 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-07 13:24:15,599 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-07 13:24:15,626 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states. [2020-07-07 13:24:15,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-07-07 13:24:15,638 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 13:24:15,639 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, 1, 1, 1, 1, 1, 1] [2020-07-07 13:24:15,639 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 13:24:15,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 13:24:15,644 INFO L82 PathProgramCache]: Analyzing trace with hash 1040052544, now seen corresponding path program 1 times [2020-07-07 13:24:15,651 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 13:24:15,651 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1168089360] [2020-07-07 13:24:15,652 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 13:24:15,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:24:15,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:24:15,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:24:16,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 13:24:16,025 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 13:24:16,031 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1168089360] [2020-07-07 13:24:16,033 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 13:24:16,033 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-07 13:24:16,033 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472377069] [2020-07-07 13:24:16,040 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-07 13:24:16,040 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 13:24:16,050 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-07 13:24:16,052 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-07 13:24:16,054 INFO L87 Difference]: Start difference. First operand 70 states. Second operand 6 states. [2020-07-07 13:24:16,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 13:24:16,340 INFO L93 Difference]: Finished difference Result 93 states and 98 transitions. [2020-07-07 13:24:16,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-07 13:24:16,343 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 43 [2020-07-07 13:24:16,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 13:24:16,354 INFO L225 Difference]: With dead ends: 93 [2020-07-07 13:24:16,354 INFO L226 Difference]: Without dead ends: 59 [2020-07-07 13:24:16,359 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-07-07 13:24:16,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2020-07-07 13:24:16,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2020-07-07 13:24:16,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2020-07-07 13:24:16,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 61 transitions. [2020-07-07 13:24:16,418 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 61 transitions. Word has length 43 [2020-07-07 13:24:16,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 13:24:16,419 INFO L479 AbstractCegarLoop]: Abstraction has 59 states and 61 transitions. [2020-07-07 13:24:16,419 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-07 13:24:16,419 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 61 transitions. [2020-07-07 13:24:16,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-07-07 13:24:16,423 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 13:24:16,423 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 13:24:16,424 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-07 13:24:16,424 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 13:24:16,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 13:24:16,425 INFO L82 PathProgramCache]: Analyzing trace with hash -981249608, now seen corresponding path program 1 times [2020-07-07 13:24:16,425 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 13:24:16,426 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2029183123] [2020-07-07 13:24:16,426 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 13:24:16,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:24:16,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:24:16,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:24:16,628 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 13:24:16,628 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 13:24:16,629 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2029183123] [2020-07-07 13:24:16,629 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 13:24:16,629 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-07 13:24:16,630 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1958252823] [2020-07-07 13:24:16,631 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-07 13:24:16,631 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 13:24:16,631 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-07 13:24:16,632 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-07 13:24:16,632 INFO L87 Difference]: Start difference. First operand 59 states and 61 transitions. Second operand 5 states. [2020-07-07 13:24:16,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 13:24:16,798 INFO L93 Difference]: Finished difference Result 75 states and 77 transitions. [2020-07-07 13:24:16,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-07 13:24:16,799 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 46 [2020-07-07 13:24:16,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 13:24:16,800 INFO L225 Difference]: With dead ends: 75 [2020-07-07 13:24:16,801 INFO L226 Difference]: Without dead ends: 59 [2020-07-07 13:24:16,802 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-07 13:24:16,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2020-07-07 13:24:16,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2020-07-07 13:24:16,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2020-07-07 13:24:16,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 60 transitions. [2020-07-07 13:24:16,817 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 60 transitions. Word has length 46 [2020-07-07 13:24:16,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 13:24:16,818 INFO L479 AbstractCegarLoop]: Abstraction has 59 states and 60 transitions. [2020-07-07 13:24:16,818 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-07 13:24:16,818 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 60 transitions. [2020-07-07 13:24:16,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-07-07 13:24:16,820 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 13:24:16,820 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 13:24:16,820 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-07 13:24:16,821 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 13:24:16,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 13:24:16,821 INFO L82 PathProgramCache]: Analyzing trace with hash 176769226, now seen corresponding path program 1 times [2020-07-07 13:24:16,821 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 13:24:16,822 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1163672914] [2020-07-07 13:24:16,822 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 13:24:16,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:24:16,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:24:16,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:24:17,011 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 13:24:17,012 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 13:24:17,012 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1163672914] [2020-07-07 13:24:17,013 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 13:24:17,013 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-07 13:24:17,013 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [416910744] [2020-07-07 13:24:17,014 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-07 13:24:17,015 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 13:24:17,015 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-07 13:24:17,016 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-07-07 13:24:17,016 INFO L87 Difference]: Start difference. First operand 59 states and 60 transitions. Second operand 9 states. [2020-07-07 13:24:17,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 13:24:17,217 INFO L93 Difference]: Finished difference Result 61 states and 61 transitions. [2020-07-07 13:24:17,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-07 13:24:17,218 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 49 [2020-07-07 13:24:17,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 13:24:17,219 INFO L225 Difference]: With dead ends: 61 [2020-07-07 13:24:17,220 INFO L226 Difference]: Without dead ends: 55 [2020-07-07 13:24:17,220 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-07-07 13:24:17,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2020-07-07 13:24:17,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2020-07-07 13:24:17,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2020-07-07 13:24:17,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 55 transitions. [2020-07-07 13:24:17,233 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 55 transitions. Word has length 49 [2020-07-07 13:24:17,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 13:24:17,234 INFO L479 AbstractCegarLoop]: Abstraction has 55 states and 55 transitions. [2020-07-07 13:24:17,234 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-07 13:24:17,234 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 55 transitions. [2020-07-07 13:24:17,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-07-07 13:24:17,236 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 13:24:17,236 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 13:24:17,236 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-07 13:24:17,236 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 13:24:17,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 13:24:17,237 INFO L82 PathProgramCache]: Analyzing trace with hash -1988535102, now seen corresponding path program 1 times [2020-07-07 13:24:17,237 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 13:24:17,237 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1022792733] [2020-07-07 13:24:17,238 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 13:24:17,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:24:17,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:24:17,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:24:17,412 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 13:24:17,412 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 13:24:17,413 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1022792733] [2020-07-07 13:24:17,414 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 13:24:17,414 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-07 13:24:17,414 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [344208365] [2020-07-07 13:24:17,415 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-07 13:24:17,416 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 13:24:17,416 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-07 13:24:17,417 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-07 13:24:17,418 INFO L87 Difference]: Start difference. First operand 55 states and 55 transitions. Second operand 6 states. [2020-07-07 13:24:17,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 13:24:17,585 INFO L93 Difference]: Finished difference Result 55 states and 55 transitions. [2020-07-07 13:24:17,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-07 13:24:17,586 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 53 [2020-07-07 13:24:17,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 13:24:17,587 INFO L225 Difference]: With dead ends: 55 [2020-07-07 13:24:17,587 INFO L226 Difference]: Without dead ends: 0 [2020-07-07 13:24:17,588 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-07-07 13:24:17,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-07 13:24:17,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-07 13:24:17,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-07 13:24:17,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-07 13:24:17,590 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 53 [2020-07-07 13:24:17,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 13:24:17,590 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-07 13:24:17,591 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-07 13:24:17,591 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-07 13:24:17,591 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-07 13:24:17,591 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-07 13:24:17,594 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-07 13:24:18,384 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-07-07 13:24:18,385 INFO L271 CegarLoopResult]: At program point L-1-1(line -1) the Hoare annotation is: true [2020-07-07 13:24:18,385 INFO L271 CegarLoopResult]: At program point ULTIMATE.initFINAL(line 5) the Hoare annotation is: true [2020-07-07 13:24:18,385 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |~#a~0.base| |old(~#a~0.base)|) (= |~#b~0.base| |old(~#b~0.base)|) (= |#valid| |old(#valid)|) (= |~#b~0.offset| |old(~#b~0.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |~#a~0.offset| |old(~#a~0.offset)|) (= |old(#length)| |#length|)) [2020-07-07 13:24:18,385 INFO L271 CegarLoopResult]: At program point L5(line 5) the Hoare annotation is: true [2020-07-07 13:24:18,386 INFO L271 CegarLoopResult]: At program point L5-1(line 5) the Hoare annotation is: true [2020-07-07 13:24:18,386 INFO L271 CegarLoopResult]: At program point L5-2(line 5) the Hoare annotation is: true [2020-07-07 13:24:18,386 INFO L271 CegarLoopResult]: At program point L5-3(line 5) the Hoare annotation is: true [2020-07-07 13:24:18,386 INFO L271 CegarLoopResult]: At program point ULTIMATE.initEXIT(line -1) the Hoare annotation is: true [2020-07-07 13:24:18,386 INFO L271 CegarLoopResult]: At program point get_dummyFINAL(lines 7 10) the Hoare annotation is: true [2020-07-07 13:24:18,386 INFO L271 CegarLoopResult]: At program point L9(line 9) the Hoare annotation is: true [2020-07-07 13:24:18,387 INFO L271 CegarLoopResult]: At program point get_dummyENTRY(lines 7 10) the Hoare annotation is: true [2020-07-07 13:24:18,387 INFO L271 CegarLoopResult]: At program point L9-2(line 9) the Hoare annotation is: true [2020-07-07 13:24:18,387 INFO L271 CegarLoopResult]: At program point L9-3(line 9) the Hoare annotation is: true [2020-07-07 13:24:18,387 INFO L271 CegarLoopResult]: At program point L9-4(line 9) the Hoare annotation is: true [2020-07-07 13:24:18,387 INFO L271 CegarLoopResult]: At program point L9-5(line 9) the Hoare annotation is: true [2020-07-07 13:24:18,388 INFO L271 CegarLoopResult]: At program point get_dummyEXIT(lines 7 10) the Hoare annotation is: true [2020-07-07 13:24:18,388 INFO L271 CegarLoopResult]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2020-07-07 13:24:18,388 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-07-07 13:24:18,388 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-07 13:24:18,388 INFO L271 CegarLoopResult]: At program point ULTIMATE.startFINAL(line -1) the Hoare annotation is: true [2020-07-07 13:24:18,388 INFO L264 CegarLoopResult]: At program point L31(line 31) the Hoare annotation is: false [2020-07-07 13:24:18,389 INFO L264 CegarLoopResult]: At program point mainEXIT(lines 12 32) the Hoare annotation is: (not (= 0 main_~pc~0.base)) [2020-07-07 13:24:18,389 INFO L264 CegarLoopResult]: At program point L23(line 23) the Hoare annotation is: (and (= |main_~#c~0.offset| main_~pc~0.offset) (= main_~pc~0.base |main_~#c~0.base|) (not (= 0 main_~pc~0.base)) (= main_~pb~0.offset main_~pa~0.offset) (= main_~pa~0.base main_~pb~0.base)) [2020-07-07 13:24:18,389 INFO L264 CegarLoopResult]: At program point L23-1(line 23) the Hoare annotation is: (and (= (select (select |#memory_int| |main_~#c~0.base|) |main_~#c~0.offset|) 60) (= |main_~#c~0.offset| main_~pc~0.offset) (= main_~pc~0.base |main_~#c~0.base|) (not (= 0 main_~pc~0.base)) (= main_~pb~0.offset main_~pa~0.offset) (= main_~pa~0.base main_~pb~0.base)) [2020-07-07 13:24:18,389 INFO L264 CegarLoopResult]: At program point L19(line 19) the Hoare annotation is: (and (not |main_#t~short9|) (= |main_~#c~0.offset| main_~pc~0.offset) (= main_~pc~0.base |main_~#c~0.base|) (not (= 0 main_~pc~0.base)) (= main_~pb~0.offset main_~pa~0.offset) (= main_~pa~0.base main_~pb~0.base)) [2020-07-07 13:24:18,389 INFO L264 CegarLoopResult]: At program point L19-1(line 19) the Hoare annotation is: (and |main_#t~short8| (not |main_#t~short9|) (= |main_~#c~0.offset| main_~pc~0.offset) (= main_~pc~0.base |main_~#c~0.base|) (not (= 0 main_~pc~0.base)) (= main_~pb~0.offset main_~pa~0.offset) (= main_~pa~0.base main_~pb~0.base)) [2020-07-07 13:24:18,390 INFO L264 CegarLoopResult]: At program point L19-2(line 19) the Hoare annotation is: (and |main_#t~short8| (not |main_#t~short9|) (= |main_~#c~0.offset| main_~pc~0.offset) (= main_~pc~0.base |main_~#c~0.base|) (not (= 0 main_~pc~0.base)) (= main_~pb~0.offset main_~pa~0.offset) (= main_~pa~0.base main_~pb~0.base)) [2020-07-07 13:24:18,390 INFO L264 CegarLoopResult]: At program point L19-3(line 19) the Hoare annotation is: (and |main_#t~short8| (= (select (select |#memory_int| main_~pb~0.base) main_~pb~0.offset) |main_#t~mem6|) (not |main_#t~short9|) (= |main_~#c~0.offset| main_~pc~0.offset) (= main_~pc~0.base |main_~#c~0.base|) (not (= 0 main_~pc~0.base)) (= main_~pb~0.offset main_~pa~0.offset) (= main_~pa~0.base main_~pb~0.base)) [2020-07-07 13:24:18,390 INFO L264 CegarLoopResult]: At program point L15(line 15) the Hoare annotation is: (and (= |main_~#c~0.offset| main_~pc~0.offset) (= main_~pc~0.base |main_~#c~0.base|) (not (= 0 main_~pc~0.base))) [2020-07-07 13:24:18,390 INFO L264 CegarLoopResult]: At program point L19-4(line 19) the Hoare annotation is: (and |main_#t~short8| (= (select (select |#memory_int| main_~pb~0.base) main_~pb~0.offset) |main_#t~mem6|) (not |main_#t~short9|) (= |main_~#c~0.offset| main_~pc~0.offset) (= |main_#t~mem7| |main_#t~mem6|) (= main_~pc~0.base |main_~#c~0.base|) (not (= 0 main_~pc~0.base)) (= main_~pb~0.offset main_~pa~0.offset) (= main_~pa~0.base main_~pb~0.base)) [2020-07-07 13:24:18,391 INFO L264 CegarLoopResult]: At program point L15-1(line 15) the Hoare annotation is: (and (= |main_~#c~0.offset| main_~pc~0.offset) (= main_~pc~0.base |main_~#c~0.base|) (not (= 0 main_~pc~0.base))) [2020-07-07 13:24:18,391 INFO L264 CegarLoopResult]: At program point L15-2(line 15) the Hoare annotation is: (and (= |main_~#c~0.offset| main_~pc~0.offset) (= main_~pc~0.base |main_~#c~0.base|) (not (= 0 main_~pc~0.base))) [2020-07-07 13:24:18,391 INFO L264 CegarLoopResult]: At program point L19-6(line 19) the Hoare annotation is: (and (= (select (select |#memory_int| main_~pb~0.base) main_~pb~0.offset) |main_#t~mem6|) (not |main_#t~short9|) (= |main_~#c~0.offset| main_~pc~0.offset) (not |main_#t~short8|) (= |main_#t~mem7| |main_#t~mem6|) (= main_~pc~0.base |main_~#c~0.base|) (not (= 0 main_~pc~0.base)) (= main_~pb~0.offset main_~pa~0.offset) (= main_~pa~0.base main_~pb~0.base)) [2020-07-07 13:24:18,391 INFO L264 CegarLoopResult]: At program point L19-7(line 19) the Hoare annotation is: false [2020-07-07 13:24:18,392 INFO L264 CegarLoopResult]: At program point L19-8(line 19) the Hoare annotation is: false [2020-07-07 13:24:18,392 INFO L264 CegarLoopResult]: At program point L19-9(line 19) the Hoare annotation is: false [2020-07-07 13:24:18,392 INFO L264 CegarLoopResult]: At program point L19-10(line 19) the Hoare annotation is: (and (= (select (select |#memory_int| main_~pb~0.base) main_~pb~0.offset) |main_#t~mem6|) (not |main_#t~short9|) (= |main_~#c~0.offset| main_~pc~0.offset) (not |main_#t~short8|) (= |main_#t~mem7| |main_#t~mem6|) (= main_~pc~0.base |main_~#c~0.base|) (not (= 0 main_~pc~0.base)) (= main_~pb~0.offset main_~pa~0.offset) (= main_~pa~0.base main_~pb~0.base)) [2020-07-07 13:24:18,392 INFO L264 CegarLoopResult]: At program point L19-11(line 19) the Hoare annotation is: (and (= (select (select |#memory_int| main_~pb~0.base) main_~pb~0.offset) |main_#t~mem6|) (not |main_#t~short9|) (= |main_~#c~0.offset| main_~pc~0.offset) (= |main_#t~mem7| |main_#t~mem6|) (= main_~pc~0.base |main_~#c~0.base|) (not (= 0 main_~pc~0.base)) (= main_~pb~0.offset main_~pa~0.offset) (= main_~pa~0.base main_~pb~0.base)) [2020-07-07 13:24:18,392 INFO L264 CegarLoopResult]: At program point L19-12(line 19) the Hoare annotation is: (and (= (select (select |#memory_int| main_~pb~0.base) main_~pb~0.offset) |main_#t~mem6|) (not |main_#t~short9|) (= |main_~#c~0.offset| main_~pc~0.offset) (= main_~pc~0.base |main_~#c~0.base|) (not (= 0 main_~pc~0.base)) (= main_~pb~0.offset main_~pa~0.offset) (= main_~pa~0.base main_~pb~0.base)) [2020-07-07 13:24:18,393 INFO L264 CegarLoopResult]: At program point L28(line 28) the Hoare annotation is: (and (not (= 0 |main_~#c~0.base|)) (not (= 0 main_~pc~0.base))) [2020-07-07 13:24:18,393 INFO L264 CegarLoopResult]: At program point L24(lines 24 26) the Hoare annotation is: (and (= (select (select |#memory_int| |main_~#c~0.base|) |main_~#c~0.offset|) 60) (= |main_~#c~0.offset| main_~pc~0.offset) (= main_~pc~0.base |main_~#c~0.base|) (not (= 0 main_~pc~0.base)) (= |main_#t~mem10| 60) (= main_~pb~0.offset main_~pa~0.offset) (= main_~pa~0.base main_~pb~0.base)) [2020-07-07 13:24:18,393 INFO L264 CegarLoopResult]: At program point L24-1(line 24) the Hoare annotation is: false [2020-07-07 13:24:18,393 INFO L264 CegarLoopResult]: At program point L24-2(line 24) the Hoare annotation is: (and (not (= 0 |main_~#c~0.base|)) (not (= 0 main_~pc~0.base))) [2020-07-07 13:24:18,393 INFO L264 CegarLoopResult]: At program point L16(line 16) the Hoare annotation is: (and (= |main_~#c~0.offset| main_~pc~0.offset) (= main_~pc~0.base |main_~#c~0.base|) (not (= 0 main_~pc~0.base))) [2020-07-07 13:24:18,394 INFO L264 CegarLoopResult]: At program point L16-1(line 16) the Hoare annotation is: (and (= |main_~#c~0.offset| main_~pc~0.offset) (= main_~pc~0.base |main_~#c~0.base|) (not (= 0 main_~pc~0.base))) [2020-07-07 13:24:18,394 INFO L264 CegarLoopResult]: At program point L16-2(line 16) the Hoare annotation is: (and (= |main_~#c~0.offset| main_~pc~0.offset) (= main_~pc~0.base |main_~#c~0.base|) (not (= 0 main_~pc~0.base))) [2020-07-07 13:24:18,394 INFO L264 CegarLoopResult]: At program point L25(lines 12 32) the Hoare annotation is: false [2020-07-07 13:24:18,394 INFO L264 CegarLoopResult]: At program point L17(line 17) the Hoare annotation is: (and (= |main_~#c~0.offset| main_~pc~0.offset) (= main_~pc~0.base |main_~#c~0.base|) (not (= 0 main_~pc~0.base))) [2020-07-07 13:24:18,394 INFO L264 CegarLoopResult]: At program point L17-1(line 17) the Hoare annotation is: (and (= |main_~#c~0.offset| main_~pc~0.offset) (= main_~pc~0.base |main_~#c~0.base|) (not (= 0 main_~pc~0.base))) [2020-07-07 13:24:18,395 INFO L264 CegarLoopResult]: At program point L17-2(line 17) the Hoare annotation is: (and (= |main_~#c~0.offset| main_~pc~0.offset) (= main_~pc~0.base |main_~#c~0.base|) (not (= 0 main_~pc~0.base))) [2020-07-07 13:24:18,395 INFO L264 CegarLoopResult]: At program point L17-3(line 17) the Hoare annotation is: (and (= |main_~#c~0.offset| main_~pc~0.offset) (= main_~pc~0.base |main_~#c~0.base|) (not (= 0 main_~pc~0.base)) (= main_~pb~0.offset main_~pa~0.offset) (= main_~pa~0.base main_~pb~0.base)) [2020-07-07 13:24:18,395 INFO L264 CegarLoopResult]: At program point L13(line 13) the Hoare annotation is: (not (= 0 |main_~#c~0.base|)) [2020-07-07 13:24:18,395 INFO L264 CegarLoopResult]: At program point mainFINAL(lines 12 32) the Hoare annotation is: (not (= 0 main_~pc~0.base)) [2020-07-07 13:24:18,395 INFO L264 CegarLoopResult]: At program point L13-1(line 13) the Hoare annotation is: (not (= 0 |main_~#c~0.base|)) [2020-07-07 13:24:18,396 INFO L264 CegarLoopResult]: At program point L13-2(line 13) the Hoare annotation is: (not (= 0 |main_~#c~0.base|)) [2020-07-07 13:24:18,396 INFO L264 CegarLoopResult]: At program point L13-3(line 13) the Hoare annotation is: (and (not (= 0 |main_~#c~0.base|)) (not (= 0 main_~pc~0.base))) [2020-07-07 13:24:18,396 INFO L264 CegarLoopResult]: At program point L13-4(line 13) the Hoare annotation is: (and (not (= 0 |main_~#c~0.base|)) (not (= 0 main_~pc~0.base))) [2020-07-07 13:24:18,396 INFO L264 CegarLoopResult]: At program point L13-5(line 13) the Hoare annotation is: false [2020-07-07 13:24:18,396 INFO L264 CegarLoopResult]: At program point L13-6(line 13) the Hoare annotation is: false [2020-07-07 13:24:18,397 INFO L264 CegarLoopResult]: At program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 30) the Hoare annotation is: false [2020-07-07 13:24:18,397 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 12 32) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= |old(#length)| |#length|)) [2020-07-07 13:24:18,397 INFO L264 CegarLoopResult]: At program point L18(lines 18 19) the Hoare annotation is: (and (= |main_~#c~0.offset| main_~pc~0.offset) (= main_~pc~0.base |main_~#c~0.base|) (not (= 0 main_~pc~0.base)) (= main_~pb~0.offset main_~pa~0.offset) (= main_~pa~0.base main_~pb~0.base)) [2020-07-07 13:24:18,397 INFO L264 CegarLoopResult]: At program point L18-1(lines 18 19) the Hoare annotation is: (and (not |main_#t~short9|) (= |main_~#c~0.offset| main_~pc~0.offset) (= main_~pc~0.base |main_~#c~0.base|) (not (= 0 main_~pc~0.base)) (= main_~pb~0.offset main_~pa~0.offset) (= main_~pa~0.base main_~pb~0.base)) [2020-07-07 13:24:18,397 INFO L264 CegarLoopResult]: At program point L18-3(lines 18 21) the Hoare annotation is: (and (= (select (select |#memory_int| main_~pb~0.base) main_~pb~0.offset) |main_#t~mem6|) (not |main_#t~short9|) (= |main_~#c~0.offset| main_~pc~0.offset) (not |main_#t~short8|) (= |main_#t~mem7| |main_#t~mem6|) (= main_~pc~0.base |main_~#c~0.base|) (not (= 0 main_~pc~0.base)) (= main_~pb~0.offset main_~pa~0.offset) (= main_~pa~0.base main_~pb~0.base)) [2020-07-07 13:24:18,398 INFO L264 CegarLoopResult]: At program point L14(line 14) the Hoare annotation is: (not (= 0 |main_~#c~0.base|)) [2020-07-07 13:24:18,398 INFO L264 CegarLoopResult]: At program point L18-4(lines 18 19) the Hoare annotation is: false [2020-07-07 13:24:18,398 INFO L264 CegarLoopResult]: At program point L14-1(line 14) the Hoare annotation is: (not (= 0 |main_~#c~0.base|)) [2020-07-07 13:24:18,398 INFO L264 CegarLoopResult]: At program point L18-5(lines 18 19) the Hoare annotation is: (and (not |main_#t~short9|) (= |main_~#c~0.offset| main_~pc~0.offset) (= main_~pc~0.base |main_~#c~0.base|) (not (= 0 main_~pc~0.base)) (= main_~pb~0.offset main_~pa~0.offset) (= main_~pa~0.base main_~pb~0.base)) [2020-07-07 13:24:18,398 INFO L264 CegarLoopResult]: At program point L14-2(line 14) the Hoare annotation is: (not (= 0 |main_~#c~0.base|)) [2020-07-07 13:24:18,424 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.07 01:24:18 BoogieIcfgContainer [2020-07-07 13:24:18,431 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-07 13:24:18,437 INFO L168 Benchmark]: Toolchain (without parser) took 3795.57 ms. Allocated memory was 145.8 MB in the beginning and 245.4 MB in the end (delta: 99.6 MB). Free memory was 102.9 MB in the beginning and 103.9 MB in the end (delta: -1.0 MB). Peak memory consumption was 110.0 MB. Max. memory is 7.1 GB. [2020-07-07 13:24:18,438 INFO L168 Benchmark]: CDTParser took 0.87 ms. Allocated memory is still 145.8 MB. Free memory was 121.1 MB in the beginning and 120.9 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2020-07-07 13:24:18,440 INFO L168 Benchmark]: CACSL2BoogieTranslator took 333.71 ms. Allocated memory is still 145.8 MB. Free memory was 102.5 MB in the beginning and 92.6 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. [2020-07-07 13:24:18,443 INFO L168 Benchmark]: Boogie Preprocessor took 129.78 ms. Allocated memory was 145.8 MB in the beginning and 202.9 MB in the end (delta: 57.1 MB). Free memory was 92.6 MB in the beginning and 181.1 MB in the end (delta: -88.5 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. [2020-07-07 13:24:18,444 INFO L168 Benchmark]: RCFGBuilder took 376.05 ms. Allocated memory is still 202.9 MB. Free memory was 181.1 MB in the beginning and 161.2 MB in the end (delta: 19.8 MB). Peak memory consumption was 19.8 MB. Max. memory is 7.1 GB. [2020-07-07 13:24:18,448 INFO L168 Benchmark]: TraceAbstraction took 2940.57 ms. Allocated memory was 202.9 MB in the beginning and 245.4 MB in the end (delta: 42.5 MB). Free memory was 160.6 MB in the beginning and 103.9 MB in the end (delta: 56.7 MB). Peak memory consumption was 110.5 MB. Max. memory is 7.1 GB. [2020-07-07 13:24:18,456 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.87 ms. Allocated memory is still 145.8 MB. Free memory was 121.1 MB in the beginning and 120.9 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 333.71 ms. Allocated memory is still 145.8 MB. Free memory was 102.5 MB in the beginning and 92.6 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 129.78 ms. Allocated memory was 145.8 MB in the beginning and 202.9 MB in the end (delta: 57.1 MB). Free memory was 92.6 MB in the beginning and 181.1 MB in the end (delta: -88.5 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 376.05 ms. Allocated memory is still 202.9 MB. Free memory was 181.1 MB in the beginning and 161.2 MB in the end (delta: 19.8 MB). Peak memory consumption was 19.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2940.57 ms. Allocated memory was 202.9 MB in the beginning and 245.4 MB in the end (delta: 42.5 MB). Free memory was 160.6 MB in the beginning and 103.9 MB in the end (delta: 56.7 MB). Peak memory consumption was 110.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 30]: 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: 12]: Loop Invariant Derived loop invariant: 0 - ProcedureContractResult [Line: 7]: Procedure Contract for get_dummy Derived contract for procedure get_dummy: 1 - ProcedureContractResult [Line: 12]: Procedure Contract for main Derived contract for procedure main: !(0 == pc) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 70 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.9s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 204 SDtfs, 173 SDslu, 415 SDs, 0 SdLazy, 400 SolverSat, 16 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 47 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=70occurred 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, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 70 LocationsWithAnnotation, 70 PreInvPairs, 87 NumberOfFragments, 633 HoareAnnotationTreeSize, 70 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 70 FomulaSimplificationsInter, 314 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: No data available, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...