/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 --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.use.separate.solver.for.trace.checks true -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/ldv-regression/nested_structure-1.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-b8ad66e [2020-10-24 01:03:43,072 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-24 01:03:43,075 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-24 01:03:43,132 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-24 01:03:43,133 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-24 01:03:43,137 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-24 01:03:43,141 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-24 01:03:43,147 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-24 01:03:43,150 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-24 01:03:43,156 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-24 01:03:43,157 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-24 01:03:43,158 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-24 01:03:43,159 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-24 01:03:43,162 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-24 01:03:43,164 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-24 01:03:43,165 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-24 01:03:43,166 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-24 01:03:43,170 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-24 01:03:43,192 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-24 01:03:43,201 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-24 01:03:43,202 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-24 01:03:43,205 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-24 01:03:43,206 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-24 01:03:43,209 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-24 01:03:43,217 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-24 01:03:43,229 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-24 01:03:43,230 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-24 01:03:43,230 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-24 01:03:43,231 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-10-24 01:03:43,256 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-24 01:03:43,257 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-24 01:03:43,261 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-24 01:03:43,261 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-24 01:03:43,262 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-24 01:03:43,262 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-24 01:03:43,262 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-24 01:03:43,262 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-24 01:03:43,263 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-24 01:03:43,263 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-24 01:03:43,264 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-24 01:03:43,264 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-24 01:03:43,264 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-24 01:03:43,265 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-24 01:03:43,265 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-24 01:03:43,265 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-10-24 01:03:43,266 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-24 01:03:43,266 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-24 01:03:43,266 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 01:03:43,266 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-24 01:03:43,266 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-10-24 01:03:43,267 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-24 01:03:43,267 INFO L138 SettingsManager]: * Use separate solver for trace checks=false 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-10-24 01:03:43,673 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-24 01:03:43,713 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-24 01:03:43,717 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-24 01:03:43,719 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-24 01:03:43,719 INFO L275 PluginConnector]: CDTParser initialized [2020-10-24 01:03:43,720 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/nested_structure-1.i [2020-10-24 01:03:43,803 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/750e8c639/1afda98d544342d6b0a60a66fa5d259d/FLAGaec53638d [2020-10-24 01:03:44,436 INFO L306 CDTParser]: Found 1 translation units. [2020-10-24 01:03:44,437 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/nested_structure-1.i [2020-10-24 01:03:44,444 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/750e8c639/1afda98d544342d6b0a60a66fa5d259d/FLAGaec53638d [2020-10-24 01:03:44,801 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/750e8c639/1afda98d544342d6b0a60a66fa5d259d [2020-10-24 01:03:44,804 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-24 01:03:44,813 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-24 01:03:44,817 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-24 01:03:44,817 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-24 01:03:44,822 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-24 01:03:44,823 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 01:03:44" (1/1) ... [2020-10-24 01:03:44,827 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c27e89c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:03:44, skipping insertion in model container [2020-10-24 01:03:44,827 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 01:03:44" (1/1) ... [2020-10-24 01:03:44,836 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-24 01:03:44,854 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-24 01:03:45,034 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 01:03:45,053 INFO L203 MainTranslator]: Completed pre-run [2020-10-24 01:03:45,073 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 01:03:45,090 INFO L208 MainTranslator]: Completed translation [2020-10-24 01:03:45,090 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:03:45 WrapperNode [2020-10-24 01:03:45,091 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-24 01:03:45,092 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-24 01:03:45,092 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-24 01:03:45,092 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-24 01:03:45,106 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:03:45" (1/1) ... [2020-10-24 01:03:45,106 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:03:45" (1/1) ... [2020-10-24 01:03:45,115 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:03:45" (1/1) ... [2020-10-24 01:03:45,115 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:03:45" (1/1) ... [2020-10-24 01:03:45,124 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:03:45" (1/1) ... [2020-10-24 01:03:45,126 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:03:45" (1/1) ... [2020-10-24 01:03:45,127 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:03:45" (1/1) ... [2020-10-24 01:03:45,130 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-24 01:03:45,131 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-24 01:03:45,131 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-24 01:03:45,131 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-24 01:03:45,132 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:03:45" (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 [2020-10-24 01:03:45,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-24 01:03:45,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-24 01:03:45,214 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-24 01:03:45,214 INFO L138 BoogieDeclarations]: Found implementation of procedure __blast_assert [2020-10-24 01:03:45,214 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-24 01:03:45,215 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-24 01:03:45,215 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-24 01:03:45,215 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-24 01:03:45,215 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-24 01:03:45,215 INFO L130 BoogieDeclarations]: Found specification of procedure __blast_assert [2020-10-24 01:03:45,216 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-24 01:03:45,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-24 01:03:45,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-24 01:03:45,216 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-24 01:03:45,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-24 01:03:45,217 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-24 01:03:45,217 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-24 01:03:45,217 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-24 01:03:45,217 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-24 01:03:45,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-24 01:03:45,771 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-24 01:03:45,771 INFO L298 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-24 01:03:45,776 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 01:03:45 BoogieIcfgContainer [2020-10-24 01:03:45,777 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-24 01:03:45,780 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-24 01:03:45,780 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-24 01:03:45,783 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-24 01:03:45,784 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 01:03:44" (1/3) ... [2020-10-24 01:03:45,785 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16e98a38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 01:03:45, skipping insertion in model container [2020-10-24 01:03:45,785 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:03:45" (2/3) ... [2020-10-24 01:03:45,786 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16e98a38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 01:03:45, skipping insertion in model container [2020-10-24 01:03:45,787 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 01:03:45" (3/3) ... [2020-10-24 01:03:45,788 INFO L111 eAbstractionObserver]: Analyzing ICFG nested_structure-1.i [2020-10-24 01:03:45,801 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-24 01:03:45,807 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-24 01:03:45,821 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-24 01:03:45,862 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-24 01:03:45,862 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-24 01:03:45,862 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-24 01:03:45,863 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-24 01:03:45,863 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-24 01:03:45,863 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-24 01:03:45,863 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-24 01:03:45,863 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-24 01:03:45,883 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states. [2020-10-24 01:03:45,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-10-24 01:03:45,893 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 01:03:45,894 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] [2020-10-24 01:03:45,894 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 01:03:45,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 01:03:45,906 INFO L82 PathProgramCache]: Analyzing trace with hash -735952442, now seen corresponding path program 1 times [2020-10-24 01:03:45,917 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 01:03:45,918 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1917628788] [2020-10-24 01:03:45,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 01:03:46,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:03:46,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 01:03:46,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:03:46,830 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 01:03:46,831 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1917628788] [2020-10-24 01:03:46,833 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 01:03:46,833 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2020-10-24 01:03:46,834 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1358594266] [2020-10-24 01:03:46,839 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-24 01:03:46,839 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 01:03:46,853 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-24 01:03:46,855 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=209, Unknown=0, NotChecked=0, Total=240 [2020-10-24 01:03:46,857 INFO L87 Difference]: Start difference. First operand 52 states. Second operand 16 states. [2020-10-24 01:03:47,438 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 63 [2020-10-24 01:03:47,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 01:03:47,847 INFO L93 Difference]: Finished difference Result 66 states and 65 transitions. [2020-10-24 01:03:47,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-24 01:03:47,849 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 32 [2020-10-24 01:03:47,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 01:03:47,855 INFO L225 Difference]: With dead ends: 66 [2020-10-24 01:03:47,855 INFO L226 Difference]: Without dead ends: 0 [2020-10-24 01:03:47,860 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 109 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=187, Invalid=805, Unknown=0, NotChecked=0, Total=992 [2020-10-24 01:03:47,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-24 01:03:47,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-24 01:03:47,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-24 01:03:47,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-24 01:03:47,887 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 32 [2020-10-24 01:03:47,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 01:03:47,888 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-24 01:03:47,888 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-24 01:03:47,888 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-24 01:03:47,888 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-24 01:03:47,888 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-24 01:03:47,890 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-24 01:03:48,635 INFO L277 CegarLoopResult]: At program point reach_errorEXIT(line 3) the Hoare annotation is: true [2020-10-24 01:03:48,636 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 3) the Hoare annotation is: true [2020-10-24 01:03:48,636 INFO L277 CegarLoopResult]: At program point reach_errorFINAL(line 3) the Hoare annotation is: true [2020-10-24 01:03:48,636 INFO L277 CegarLoopResult]: At program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) the Hoare annotation is: true [2020-10-24 01:03:48,636 INFO L277 CegarLoopResult]: At program point L3-2(line 3) the Hoare annotation is: true [2020-10-24 01:03:48,636 INFO L277 CegarLoopResult]: At program point L3-3(line 3) the Hoare annotation is: true [2020-10-24 01:03:48,637 INFO L277 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-10-24 01:03:48,637 INFO L277 CegarLoopResult]: At program point L3-4(line 3) the Hoare annotation is: true [2020-10-24 01:03:48,637 INFO L277 CegarLoopResult]: At program point L-1-1(line -1) the Hoare annotation is: true [2020-10-24 01:03:48,637 INFO L277 CegarLoopResult]: At program point ULTIMATE.initFINAL(line 3) the Hoare annotation is: true [2020-10-24 01:03:48,637 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|)) [2020-10-24 01:03:48,638 INFO L277 CegarLoopResult]: At program point L3(line 3) the Hoare annotation is: true [2020-10-24 01:03:48,638 INFO L277 CegarLoopResult]: At program point L3-1(line 3) the Hoare annotation is: true [2020-10-24 01:03:48,638 INFO L277 CegarLoopResult]: At program point ULTIMATE.initEXIT(line -1) the Hoare annotation is: true [2020-10-24 01:03:48,638 INFO L277 CegarLoopResult]: At program point L11(line 11) the Hoare annotation is: true [2020-10-24 01:03:48,638 INFO L277 CegarLoopResult]: At program point __blast_assertEXIT(lines 9 12) the Hoare annotation is: true [2020-10-24 01:03:48,638 INFO L277 CegarLoopResult]: At program point __blast_assertFINAL(lines 9 12) the Hoare annotation is: true [2020-10-24 01:03:48,639 INFO L277 CegarLoopResult]: At program point __blast_assertENTRY(lines 9 12) the Hoare annotation is: true [2020-10-24 01:03:48,639 INFO L277 CegarLoopResult]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2020-10-24 01:03:48,639 INFO L277 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-10-24 01:03:48,639 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-24 01:03:48,639 INFO L277 CegarLoopResult]: At program point ULTIMATE.startFINAL(line -1) the Hoare annotation is: true [2020-10-24 01:03:48,639 INFO L270 CegarLoopResult]: At program point L33(line 33) the Hoare annotation is: (let ((.cse2 (+ |main_~#good~0.offset| 4))) (let ((.cse1 (select (select |#memory_$Pointer$.base| |main_~#good~0.base|) .cse2))) (let ((.cse0 (select (select |#memory_$Pointer$.base| .cse1) 4))) (and (not (= .cse0 .cse1)) (= (select (select |#memory_int| .cse0) (select (select |#memory_$Pointer$.offset| .cse1) 4)) 4) (= 0 |main_~#im~0.offset|) (not (= |main_~#good~0.base| .cse0)) (= (select (select |#memory_$Pointer$.offset| |main_~#good~0.base|) .cse2) 0) (= (select |#valid| |main_~#im~0.base|) 1))))) [2020-10-24 01:03:48,640 INFO L270 CegarLoopResult]: At program point L31(line 31) the Hoare annotation is: (let ((.cse5 (select |#memory_$Pointer$.base| |main_#t~mem7.base|)) (.cse2 (+ |main_~#good~0.offset| 4)) (.cse1 (select (select |#memory_$Pointer$.base| |main_~#inner~0.base|) (+ |main_~#inner~0.offset| 4)))) (let ((.cse0 (select |#memory_int| .cse1)) (.cse4 (select (select |#memory_$Pointer$.base| |main_~#good~0.base|) .cse2)) (.cse3 (select .cse5 (+ |main_#t~mem7.offset| 4)))) (and (= 3 (select (select |#memory_int| |main_~#im~0.base|) 0)) (= (select .cse0 |main_~#good~0.offset|) 3) (= |main_#t~mem7.offset| 0) (not (= |main_~#good~0.base| .cse1)) (= (select (select |#memory_$Pointer$.offset| |main_~#good~0.base|) .cse2) 0) (= |main_~#inner~0.offset| 0) (not (= |main_~#good~0.base| .cse3)) (= (select .cse0 0) 3) (= (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (select |#memory_$Pointer$.offset| .cse4)) (= (select |#memory_$Pointer$.base| .cse4) .cse5) (= 0 |main_~#im~0.offset|) (not (= .cse1 |main_~#inner~0.base|)) (= (select |#valid| |main_~#im~0.base|) 1) (not (= .cse4 .cse3)) (not (= |main_~#im~0.base| |main_~#inner~0.base|))))) [2020-10-24 01:03:48,640 INFO L270 CegarLoopResult]: At program point L31-1(line 31) the Hoare annotation is: (let ((.cse2 (+ |main_~#good~0.offset| 4))) (let ((.cse6 (select (select |#memory_$Pointer$.base| |main_~#good~0.base|) .cse2)) (.cse1 (select (select |#memory_$Pointer$.base| |main_~#inner~0.base|) (+ |main_~#inner~0.offset| 4)))) (let ((.cse0 (select |#memory_int| .cse1)) (.cse3 (select |#memory_$Pointer$.offset| .cse6)) (.cse4 (select |#memory_$Pointer$.base| .cse6)) (.cse5 (select |#memory_$Pointer$.base| |main_#t~mem7.base|))) (and (= 3 (select (select |#memory_int| |main_~#im~0.base|) 0)) (= (select .cse0 |main_~#good~0.offset|) 3) (= |main_#t~mem7.offset| 0) (not (= |main_~#good~0.base| .cse1)) (= (select (select |#memory_$Pointer$.offset| |main_~#good~0.base|) .cse2) 0) (= |main_~#inner~0.offset| 0) (= |main_#t~mem8.offset| (select .cse3 4)) (= (select .cse0 0) 3) (= (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) .cse3) (= .cse4 .cse5) (= |main_#t~mem8.base| (select .cse4 4)) (= 0 |main_~#im~0.offset|) (not (= |main_~#good~0.base| |main_#t~mem8.base|)) (not (= .cse1 |main_~#inner~0.base|)) (= (select |#valid| |main_~#im~0.base|) 1) (not (= .cse6 (select .cse5 (+ |main_#t~mem7.offset| 4)))) (not (= |main_~#im~0.base| |main_~#inner~0.base|)))))) [2020-10-24 01:03:48,641 INFO L270 CegarLoopResult]: At program point L29(line 29) the Hoare annotation is: (and (= 3 (select (select |#memory_int| |main_~#im~0.base|) 0)) (= 0 |main_~#im~0.offset|) (= |main_~#inner~0.offset| 0) (= (select |#valid| |main_~#im~0.base|) 1) (not (= |main_~#im~0.base| |main_~#inner~0.base|))) [2020-10-24 01:03:48,641 INFO L270 CegarLoopResult]: At program point L31-2(line 31) the Hoare annotation is: (let ((.cse2 (+ |main_~#good~0.offset| 4))) (let ((.cse3 (select (select |#memory_$Pointer$.base| |main_~#good~0.base|) .cse2))) (let ((.cse0 (select (select |#memory_$Pointer$.base| .cse3) 4)) (.cse1 (select (select |#memory_$Pointer$.offset| .cse3) 4))) (and (= (select (select |#memory_int| .cse0) .cse1) 4) (= |main_#t~mem8.base| .cse0) (= 0 |main_~#im~0.offset|) (not (= |main_~#good~0.base| |main_#t~mem8.base|)) (= (select (select |#memory_$Pointer$.offset| |main_~#good~0.base|) .cse2) 0) (= |main_#t~mem8.offset| .cse1) (not (= |main_#t~mem8.base| .cse3)) (= (select |#valid| |main_~#im~0.base|) 1))))) [2020-10-24 01:03:48,641 INFO L270 CegarLoopResult]: At program point L29-1(line 29) the Hoare annotation is: (and (= 3 (select (select |#memory_int| |main_~#im~0.base|) 0)) (= 0 |main_~#im~0.offset|) (= |main_~#inner~0.offset| 0) (= (select |#valid| |main_~#im~0.base|) 1) (not (= |main_~#im~0.base| |main_~#inner~0.base|))) [2020-10-24 01:03:48,642 INFO L270 CegarLoopResult]: At program point L31-3(line 31) the Hoare annotation is: (let ((.cse2 (+ |main_~#good~0.offset| 4))) (let ((.cse1 (select (select |#memory_$Pointer$.base| |main_~#good~0.base|) .cse2))) (let ((.cse0 (select (select |#memory_$Pointer$.base| .cse1) 4))) (and (not (= .cse0 .cse1)) (= (select (select |#memory_int| .cse0) (select (select |#memory_$Pointer$.offset| .cse1) 4)) 4) (= 0 |main_~#im~0.offset|) (not (= |main_~#good~0.base| .cse0)) (= (select (select |#memory_$Pointer$.offset| |main_~#good~0.base|) .cse2) 0) (= (select |#valid| |main_~#im~0.base|) 1))))) [2020-10-24 01:03:48,642 INFO L270 CegarLoopResult]: At program point L29-2(line 29) the Hoare annotation is: (let ((.cse0 (select (select |#memory_$Pointer$.base| |main_~#inner~0.base|) (+ |main_~#inner~0.offset| 4)))) (and (= 3 (select (select |#memory_int| |main_~#im~0.base|) 0)) (= 0 |main_~#im~0.offset|) (not (= .cse0 |main_~#inner~0.base|)) (= |main_~#inner~0.offset| 0) (= (select (select |#memory_int| .cse0) 0) 3) (= (select |#valid| |main_~#im~0.base|) 1) (not (= |main_~#im~0.base| |main_~#inner~0.base|)))) [2020-10-24 01:03:48,642 INFO L270 CegarLoopResult]: At program point L29-3(line 29) the Hoare annotation is: (let ((.cse2 (+ |main_~#good~0.offset| 4))) (let ((.cse1 (select (select |#memory_$Pointer$.base| |main_~#good~0.base|) .cse2))) (let ((.cse0 (select (select |#memory_$Pointer$.base| .cse1) 4))) (and (not (= .cse0 .cse1)) (= (select (select |#memory_int| .cse0) (select (select |#memory_$Pointer$.offset| .cse1) 4)) 4) (not (= |main_~#good~0.base| .cse0)) (= (select (select |#memory_$Pointer$.offset| |main_~#good~0.base|) .cse2) 0))))) [2020-10-24 01:03:48,643 INFO L270 CegarLoopResult]: At program point L29-4(line 29) the Hoare annotation is: (let ((.cse2 (+ |main_~#good~0.offset| 4))) (let ((.cse1 (select (select |#memory_$Pointer$.base| |main_~#good~0.base|) .cse2))) (let ((.cse0 (select (select |#memory_$Pointer$.base| .cse1) 4))) (and (not (= .cse0 .cse1)) (= (select (select |#memory_int| .cse0) (select (select |#memory_$Pointer$.offset| .cse1) 4)) 4) (not (= |main_~#good~0.base| .cse0)) (= (select (select |#memory_$Pointer$.offset| |main_~#good~0.base|) .cse2) 0))))) [2020-10-24 01:03:48,643 INFO L277 CegarLoopResult]: At program point mainEXIT(lines 26 34) the Hoare annotation is: true [2020-10-24 01:03:48,643 INFO L277 CegarLoopResult]: At program point mainFINAL(lines 26 34) the Hoare annotation is: true [2020-10-24 01:03:48,643 INFO L270 CegarLoopResult]: At program point L32(line 32) the Hoare annotation is: (let ((.cse2 (+ |main_~#good~0.offset| 4))) (let ((.cse1 (select (select |#memory_$Pointer$.base| |main_~#good~0.base|) .cse2))) (let ((.cse0 (select (select |#memory_$Pointer$.base| .cse1) 4))) (and (not (= .cse0 .cse1)) (= (select (select |#memory_int| .cse0) (select (select |#memory_$Pointer$.offset| .cse1) 4)) 4) (= 0 |main_~#im~0.offset|) (not (= |main_~#good~0.base| .cse0)) (= (select (select |#memory_$Pointer$.offset| |main_~#good~0.base|) .cse2) 0) (= (select |#valid| |main_~#im~0.base|) 1))))) [2020-10-24 01:03:48,644 INFO L270 CegarLoopResult]: At program point L32-1(line 32) the Hoare annotation is: (let ((.cse3 (+ |main_~#good~0.offset| 4))) (let ((.cse1 (select (select |#memory_$Pointer$.base| |main_~#good~0.base|) .cse3))) (let ((.cse0 (select (select |#memory_$Pointer$.base| .cse1) 4))) (and (not (= .cse0 .cse1)) (= (select (select |#memory_int| .cse0) (select (select |#memory_$Pointer$.offset| .cse1) 4)) 4) (= 0 |main_~#im~0.offset|) (not (= |main_~#good~0.base| .cse0)) (= (let ((.cse2 (+ |main_#t~mem9.offset| 4))) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |main_#t~mem9.base|) .cse2)) (select (select |#memory_$Pointer$.offset| |main_#t~mem9.base|) .cse2))) 4) (= (select (select |#memory_$Pointer$.offset| |main_~#good~0.base|) .cse3) 0) (= (select |#valid| |main_~#im~0.base|) 1) (= 0 |main_#t~mem9.offset|))))) [2020-10-24 01:03:48,644 INFO L270 CegarLoopResult]: At program point L30(line 30) the Hoare annotation is: (let ((.cse1 (select (select |#memory_$Pointer$.base| |main_~#inner~0.base|) (+ |main_~#inner~0.offset| 4)))) (let ((.cse0 (select |#memory_int| .cse1))) (and (= 3 (select (select |#memory_int| |main_~#im~0.base|) 0)) (= (select .cse0 |main_~#good~0.offset|) 3) (= 0 |main_~#im~0.offset|) (not (= .cse1 |main_~#inner~0.base|)) (= |main_~#inner~0.offset| 0) (= (select .cse0 0) 3) (= (select |#valid| |main_~#im~0.base|) 1) (not (= |main_~#im~0.base| |main_~#inner~0.base|))))) [2020-10-24 01:03:48,644 INFO L270 CegarLoopResult]: At program point L32-2(line 32) the Hoare annotation is: (let ((.cse3 (+ |main_~#good~0.offset| 4))) (let ((.cse1 (select (select |#memory_$Pointer$.base| |main_~#good~0.base|) .cse3))) (let ((.cse0 (select (select |#memory_$Pointer$.base| .cse1) 4))) (and (not (= .cse0 .cse1)) (= (select (select |#memory_int| |main_#t~mem10.base|) |main_#t~mem10.offset|) 4) (= (select (select |#memory_int| .cse0) (select (select |#memory_$Pointer$.offset| .cse1) 4)) 4) (= 0 |main_~#im~0.offset|) (not (= |main_~#good~0.base| .cse0)) (= (let ((.cse2 (+ |main_#t~mem9.offset| 4))) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |main_#t~mem9.base|) .cse2)) (select (select |#memory_$Pointer$.offset| |main_#t~mem9.base|) .cse2))) 4) (= (select (select |#memory_$Pointer$.offset| |main_~#good~0.base|) .cse3) 0) (= (select |#valid| |main_~#im~0.base|) 1) (= 0 |main_#t~mem9.offset|))))) [2020-10-24 01:03:48,645 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 26 34) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) [2020-10-24 01:03:48,645 INFO L270 CegarLoopResult]: At program point L30-1(line 30) the Hoare annotation is: (let ((.cse1 (select (select |#memory_$Pointer$.base| |main_~#inner~0.base|) (+ |main_~#inner~0.offset| 4)))) (let ((.cse0 (select |#memory_int| .cse1))) (and (= 3 (select (select |#memory_int| |main_~#im~0.base|) 0)) (= (select .cse0 |main_~#good~0.offset|) 3) (= 0 |main_~#im~0.offset|) (not (= |main_~#good~0.base| .cse1)) (not (= .cse1 |main_~#inner~0.base|)) (= |main_~#inner~0.offset| 0) (= (select .cse0 0) 3) (= (select |#valid| |main_~#im~0.base|) 1) (not (= |main_~#im~0.base| |main_~#inner~0.base|))))) [2020-10-24 01:03:48,645 INFO L270 CegarLoopResult]: At program point L32-3(line 32) the Hoare annotation is: (let ((.cse3 (+ |main_~#good~0.offset| 4))) (let ((.cse1 (select (select |#memory_$Pointer$.base| |main_~#good~0.base|) .cse3))) (let ((.cse0 (select (select |#memory_$Pointer$.base| .cse1) 4))) (and (not (= .cse0 .cse1)) (= (select (select |#memory_int| |main_#t~mem10.base|) |main_#t~mem10.offset|) 4) (= |main_#t~mem11| 4) (= (select (select |#memory_int| .cse0) (select (select |#memory_$Pointer$.offset| .cse1) 4)) 4) (= 0 |main_~#im~0.offset|) (not (= |main_~#good~0.base| .cse0)) (= (let ((.cse2 (+ |main_#t~mem9.offset| 4))) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |main_#t~mem9.base|) .cse2)) (select (select |#memory_$Pointer$.offset| |main_#t~mem9.base|) .cse2))) 4) (= (select (select |#memory_$Pointer$.offset| |main_~#good~0.base|) .cse3) 0) (= (select |#valid| |main_~#im~0.base|) 1) (= 0 |main_#t~mem9.offset|))))) [2020-10-24 01:03:48,645 INFO L270 CegarLoopResult]: At program point L28(line 28) the Hoare annotation is: (and (= 0 |main_~#im~0.offset|) (= (select |#valid| |main_~#im~0.base|) 1)) [2020-10-24 01:03:48,646 INFO L270 CegarLoopResult]: At program point L30-2(line 30) the Hoare annotation is: (let ((.cse4 (+ |main_~#good~0.offset| 4))) (let ((.cse3 (select (select |#memory_$Pointer$.base| |main_~#inner~0.base|) (+ |main_~#inner~0.offset| 4))) (.cse1 (select (select |#memory_$Pointer$.base| |main_~#good~0.base|) .cse4))) (let ((.cse0 (select (select |#memory_$Pointer$.base| .cse1) 4)) (.cse2 (select |#memory_int| .cse3))) (and (not (= .cse0 .cse1)) (= 3 (select (select |#memory_int| |main_~#im~0.base|) 0)) (= (select .cse2 |main_~#good~0.offset|) 3) (= 0 |main_~#im~0.offset|) (not (= |main_~#good~0.base| .cse3)) (not (= .cse3 |main_~#inner~0.base|)) (not (= |main_~#good~0.base| .cse0)) (= (select (select |#memory_$Pointer$.offset| |main_~#good~0.base|) .cse4) 0) (= |main_~#inner~0.offset| 0) (= (select .cse2 0) 3) (= (select |#valid| |main_~#im~0.base|) 1) (not (= |main_~#im~0.base| |main_~#inner~0.base|)))))) [2020-10-24 01:03:48,646 INFO L270 CegarLoopResult]: At program point L28-1(line 28) the Hoare annotation is: (and (= 3 (select (select |#memory_int| |main_~#im~0.base|) 0)) (= 0 |main_~#im~0.offset|) (= (select |#valid| |main_~#im~0.base|) 1)) [2020-10-24 01:03:48,646 INFO L270 CegarLoopResult]: At program point L32-5(line 32) the Hoare annotation is: false [2020-10-24 01:03:48,646 INFO L270 CegarLoopResult]: At program point L30-3(line 30) the Hoare annotation is: (let ((.cse2 (+ |main_~#good~0.offset| 4))) (let ((.cse1 (select (select |#memory_$Pointer$.base| |main_~#good~0.base|) .cse2))) (let ((.cse0 (select (select |#memory_$Pointer$.base| .cse1) 4))) (and (not (= .cse0 .cse1)) (= (select (select |#memory_int| .cse0) (select (select |#memory_$Pointer$.offset| .cse1) 4)) 4) (not (= |main_~#good~0.base| .cse0)) (= (select (select |#memory_$Pointer$.offset| |main_~#good~0.base|) .cse2) 0))))) [2020-10-24 01:03:48,647 INFO L270 CegarLoopResult]: At program point L32-6(line 32) the Hoare annotation is: (let ((.cse3 (+ |main_~#good~0.offset| 4))) (let ((.cse1 (select (select |#memory_$Pointer$.base| |main_~#good~0.base|) .cse3))) (let ((.cse0 (select (select |#memory_$Pointer$.base| .cse1) 4))) (and (not (= .cse0 .cse1)) (= (select (select |#memory_int| |main_#t~mem10.base|) |main_#t~mem10.offset|) 4) (= |main_#t~mem11| 4) (= (select (select |#memory_int| .cse0) (select (select |#memory_$Pointer$.offset| .cse1) 4)) 4) (= 0 |main_~#im~0.offset|) (not (= |main_~#good~0.base| .cse0)) (= (let ((.cse2 (+ |main_#t~mem9.offset| 4))) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |main_#t~mem9.base|) .cse2)) (select (select |#memory_$Pointer$.offset| |main_#t~mem9.base|) .cse2))) 4) (= (select (select |#memory_$Pointer$.offset| |main_~#good~0.base|) .cse3) 0) (= (select |#valid| |main_~#im~0.base|) 1) (= 0 |main_#t~mem9.offset|))))) [2020-10-24 01:03:48,647 INFO L270 CegarLoopResult]: At program point L28-2(line 28) the Hoare annotation is: (let ((.cse2 (+ |main_~#good~0.offset| 4))) (let ((.cse1 (select (select |#memory_$Pointer$.base| |main_~#good~0.base|) .cse2))) (let ((.cse0 (select (select |#memory_$Pointer$.base| .cse1) 4))) (and (not (= .cse0 .cse1)) (= (select (select |#memory_int| .cse0) (select (select |#memory_$Pointer$.offset| .cse1) 4)) 4) (= 0 |main_~#im~0.offset|) (not (= |main_~#good~0.base| .cse0)) (= (select (select |#memory_$Pointer$.offset| |main_~#good~0.base|) .cse2) 0) (= (select |#valid| |main_~#im~0.base|) 1))))) [2020-10-24 01:03:48,647 INFO L270 CegarLoopResult]: At program point L30-4(line 30) the Hoare annotation is: (let ((.cse2 (+ |main_~#good~0.offset| 4))) (let ((.cse1 (select (select |#memory_$Pointer$.base| |main_~#good~0.base|) .cse2))) (let ((.cse0 (select (select |#memory_$Pointer$.base| .cse1) 4))) (and (not (= .cse0 .cse1)) (= (select (select |#memory_int| .cse0) (select (select |#memory_$Pointer$.offset| .cse1) 4)) 4) (not (= |main_~#good~0.base| .cse0)) (= (select (select |#memory_$Pointer$.offset| |main_~#good~0.base|) .cse2) 0))))) [2020-10-24 01:03:48,647 INFO L270 CegarLoopResult]: At program point L32-7(line 32) the Hoare annotation is: (let ((.cse2 (+ |main_~#good~0.offset| 4))) (let ((.cse1 (select (select |#memory_$Pointer$.base| |main_~#good~0.base|) .cse2))) (let ((.cse0 (select (select |#memory_$Pointer$.base| .cse1) 4))) (and (not (= .cse0 .cse1)) (= (select (select |#memory_int| |main_#t~mem10.base|) |main_#t~mem10.offset|) 4) (= |main_#t~mem11| 4) (= (select (select |#memory_int| .cse0) (select (select |#memory_$Pointer$.offset| .cse1) 4)) 4) (= 0 |main_~#im~0.offset|) (not (= |main_~#good~0.base| .cse0)) (= (select (select |#memory_$Pointer$.offset| |main_~#good~0.base|) .cse2) 0) (= (select |#valid| |main_~#im~0.base|) 1))))) [2020-10-24 01:03:48,648 INFO L270 CegarLoopResult]: At program point L28-3(line 28) the Hoare annotation is: (let ((.cse2 (+ |main_~#good~0.offset| 4))) (let ((.cse1 (select (select |#memory_$Pointer$.base| |main_~#good~0.base|) .cse2))) (let ((.cse0 (select (select |#memory_$Pointer$.base| .cse1) 4))) (and (not (= .cse0 .cse1)) (= (select (select |#memory_int| .cse0) (select (select |#memory_$Pointer$.offset| .cse1) 4)) 4) (not (= |main_~#good~0.base| .cse0)) (= (select (select |#memory_$Pointer$.offset| |main_~#good~0.base|) .cse2) 0))))) [2020-10-24 01:03:48,648 INFO L270 CegarLoopResult]: At program point L32-8(line 32) the Hoare annotation is: (let ((.cse2 (+ |main_~#good~0.offset| 4))) (let ((.cse1 (select (select |#memory_$Pointer$.base| |main_~#good~0.base|) .cse2))) (let ((.cse0 (select (select |#memory_$Pointer$.base| .cse1) 4))) (and (not (= .cse0 .cse1)) (= |main_#t~mem11| 4) (= (select (select |#memory_int| .cse0) (select (select |#memory_$Pointer$.offset| .cse1) 4)) 4) (= 0 |main_~#im~0.offset|) (not (= |main_~#good~0.base| .cse0)) (= (select (select |#memory_$Pointer$.offset| |main_~#good~0.base|) .cse2) 0) (= (select |#valid| |main_~#im~0.base|) 1))))) [2020-10-24 01:03:48,659 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 01:03:48 BoogieIcfgContainer [2020-10-24 01:03:48,659 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-24 01:03:48,661 INFO L168 Benchmark]: Toolchain (without parser) took 3854.51 ms. Allocated memory was 151.0 MB in the beginning and 181.4 MB in the end (delta: 30.4 MB). Free memory was 127.9 MB in the beginning and 103.9 MB in the end (delta: 24.0 MB). Peak memory consumption was 86.8 MB. Max. memory is 8.0 GB. [2020-10-24 01:03:48,663 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 151.0 MB. Free memory was 125.5 MB in the beginning and 125.4 MB in the end (delta: 80.1 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-10-24 01:03:48,664 INFO L168 Benchmark]: CACSL2BoogieTranslator took 274.07 ms. Allocated memory is still 151.0 MB. Free memory was 127.3 MB in the beginning and 117.3 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. [2020-10-24 01:03:48,665 INFO L168 Benchmark]: Boogie Preprocessor took 38.11 ms. Allocated memory is still 151.0 MB. Free memory was 117.3 MB in the beginning and 115.8 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2020-10-24 01:03:48,666 INFO L168 Benchmark]: RCFGBuilder took 646.11 ms. Allocated memory is still 151.0 MB. Free memory was 115.8 MB in the beginning and 130.7 MB in the end (delta: -14.9 MB). Peak memory consumption was 17.0 MB. Max. memory is 8.0 GB. [2020-10-24 01:03:48,667 INFO L168 Benchmark]: TraceAbstraction took 2879.82 ms. Allocated memory was 151.0 MB in the beginning and 181.4 MB in the end (delta: 30.4 MB). Free memory was 130.2 MB in the beginning and 103.9 MB in the end (delta: 26.3 MB). Peak memory consumption was 88.7 MB. Max. memory is 8.0 GB. [2020-10-24 01:03:48,671 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 151.0 MB. Free memory was 125.5 MB in the beginning and 125.4 MB in the end (delta: 80.1 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 274.07 ms. Allocated memory is still 151.0 MB. Free memory was 127.3 MB in the beginning and 117.3 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 38.11 ms. Allocated memory is still 151.0 MB. Free memory was 117.3 MB in the beginning and 115.8 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 646.11 ms. Allocated memory is still 151.0 MB. Free memory was 115.8 MB in the beginning and 130.7 MB in the end (delta: -14.9 MB). Peak memory consumption was 17.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 2879.82 ms. Allocated memory was 151.0 MB in the beginning and 181.4 MB in the end (delta: 30.4 MB). Free memory was 130.2 MB in the beginning and 103.9 MB in the end (delta: 26.3 MB). Peak memory consumption was 88.7 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: 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 - ProcedureContractResult [Line: 3]: Procedure Contract for reach_error Derived contract for procedure reach_error: 1 - ProcedureContractResult [Line: 9]: Procedure Contract for __blast_assert Derived contract for procedure __blast_assert: 1 - ProcedureContractResult [Line: 26]: Procedure Contract for main Derived contract for procedure main: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 52 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2.0s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 25 SDtfs, 77 SDslu, 227 SDs, 0 SdLazy, 226 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 33 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 109 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=52occurred 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, 52 LocationsWithAnnotation, 52 PreInvPairs, 66 NumberOfFragments, 2063 HoareAnnotationTreeSize, 52 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 52 FomulaSimplificationsInter, 24 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 32 NumberOfCodeBlocks, 32 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 31 ConstructedInterpolants, 0 QuantifiedInterpolants, 14818 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...