/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-regression/oomInt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-7d8eed3 [2020-11-06 22:28:05,888 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-06 22:28:05,890 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-06 22:28:05,931 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-06 22:28:05,932 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-06 22:28:05,933 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-06 22:28:05,935 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-06 22:28:05,937 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-06 22:28:05,940 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-06 22:28:05,941 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-06 22:28:05,942 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-06 22:28:05,943 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2020-11-06 22:28:06,013 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-06 22:28:06,014 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-06 22:28:06,015 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-06 22:28:06,016 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-06 22:28:06,042 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-06 22:28:06,042 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-06 22:28:06,043 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-06 22:28:06,044 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-06 22:28:06,044 INFO L138 SettingsManager]: * Use SBE=true [2020-11-06 22:28:06,044 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-06 22:28:06,044 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-06 22:28:06,045 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-06 22:28:06,045 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-06 22:28:06,045 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-06 22:28:06,045 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-06 22:28:06,046 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-06 22:28:06,046 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-06 22:28:06,046 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-06 22:28:06,046 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-06 22:28:06,047 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-06 22:28:06,047 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-06 22:28:06,047 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-06 22:28:06,047 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-06 22:28:06,048 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-06 22:28:06,048 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-06 22:28:06,048 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-06 22:28:06,048 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-06 22:28:06,049 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-06 22:28:06,049 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-06 22:28:06,049 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-06 22:28:06,049 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-06 22:28:06,050 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-06 22:28:06,050 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-06 22:28:06,050 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-11-06 22:28:06,390 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-06 22:28:06,421 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-06 22:28:06,424 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-06 22:28:06,425 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-06 22:28:06,426 INFO L275 PluginConnector]: CDTParser initialized [2020-11-06 22:28:06,426 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/oomInt.i [2020-11-06 22:28:06,510 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0b81cc32a/673ebe2e619a4f4ebd2e6e50439f4a69/FLAGdf0b9d390 [2020-11-06 22:28:07,088 INFO L306 CDTParser]: Found 1 translation units. [2020-11-06 22:28:07,089 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/oomInt.i [2020-11-06 22:28:07,095 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0b81cc32a/673ebe2e619a4f4ebd2e6e50439f4a69/FLAGdf0b9d390 [2020-11-06 22:28:07,490 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0b81cc32a/673ebe2e619a4f4ebd2e6e50439f4a69 [2020-11-06 22:28:07,493 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-06 22:28:07,500 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-11-06 22:28:07,503 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-06 22:28:07,503 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-06 22:28:07,507 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-06 22:28:07,508 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:28:07" (1/1) ... [2020-11-06 22:28:07,512 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@193ec41f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:28:07, skipping insertion in model container [2020-11-06 22:28:07,513 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:28:07" (1/1) ... [2020-11-06 22:28:07,521 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-06 22:28:07,537 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-06 22:28:07,689 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-06 22:28:07,702 INFO L203 MainTranslator]: Completed pre-run [2020-11-06 22:28:07,723 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-06 22:28:07,743 INFO L208 MainTranslator]: Completed translation [2020-11-06 22:28:07,744 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:28:07 WrapperNode [2020-11-06 22:28:07,744 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-06 22:28:07,746 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-06 22:28:07,746 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-06 22:28:07,747 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-06 22:28:07,780 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:28:07" (1/1) ... [2020-11-06 22:28:07,782 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:28:07" (1/1) ... [2020-11-06 22:28:07,791 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:28:07" (1/1) ... [2020-11-06 22:28:07,792 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:28:07" (1/1) ... [2020-11-06 22:28:07,817 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:28:07" (1/1) ... [2020-11-06 22:28:07,823 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:28:07" (1/1) ... [2020-11-06 22:28:07,826 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:28:07" (1/1) ... [2020-11-06 22:28:07,834 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-06 22:28:07,836 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-06 22:28:07,836 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-06 22:28:07,836 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-06 22:28:07,839 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:28:07" (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 [2020-11-06 22:28:07,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-11-06 22:28:07,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-06 22:28:07,934 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-11-06 22:28:07,935 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-11-06 22:28:07,935 INFO L138 BoogieDeclarations]: Found implementation of procedure abs_int [2020-11-06 22:28:07,935 INFO L138 BoogieDeclarations]: Found implementation of procedure firstFunction [2020-11-06 22:28:07,935 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-11-06 22:28:07,936 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-11-06 22:28:07,936 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-11-06 22:28:07,936 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-11-06 22:28:07,937 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-06 22:28:07,937 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-11-06 22:28:07,937 INFO L130 BoogieDeclarations]: Found specification of procedure abs_int [2020-11-06 22:28:07,938 INFO L130 BoogieDeclarations]: Found specification of procedure firstFunction [2020-11-06 22:28:07,938 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-11-06 22:28:07,939 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-11-06 22:28:07,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-06 22:28:07,940 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-06 22:28:07,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-06 22:28:07,941 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-06 22:28:07,941 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-06 22:28:08,225 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-06 22:28:08,225 INFO L298 CfgBuilder]: Removed 0 assume(true) statements. [2020-11-06 22:28:08,227 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:28:08 BoogieIcfgContainer [2020-11-06 22:28:08,227 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-06 22:28:08,230 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-06 22:28:08,230 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-06 22:28:08,234 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-06 22:28:08,234 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:28:07" (1/3) ... [2020-11-06 22:28:08,235 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@354f21c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:28:08, skipping insertion in model container [2020-11-06 22:28:08,235 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:28:07" (2/3) ... [2020-11-06 22:28:08,236 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@354f21c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:28:08, skipping insertion in model container [2020-11-06 22:28:08,236 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:28:08" (3/3) ... [2020-11-06 22:28:08,237 INFO L111 eAbstractionObserver]: Analyzing ICFG oomInt.i [2020-11-06 22:28:08,255 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-06 22:28:08,260 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-06 22:28:08,277 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-06 22:28:08,308 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-06 22:28:08,309 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-06 22:28:08,309 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-06 22:28:08,309 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-06 22:28:08,309 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-06 22:28:08,309 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-06 22:28:08,310 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-06 22:28:08,310 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-06 22:28:08,329 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states. [2020-11-06 22:28:08,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-06 22:28:08,335 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:28:08,336 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 22:28:08,336 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:28:08,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:28:08,344 INFO L82 PathProgramCache]: Analyzing trace with hash -565395662, now seen corresponding path program 1 times [2020-11-06 22:28:08,367 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:28:08,367 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1963076923] [2020-11-06 22:28:08,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:28:08,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:28:08,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:28:08,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:28:08,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-11-06 22:28:08,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:28:08,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 22:28:08,852 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1963076923] [2020-11-06 22:28:08,853 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 22:28:08,853 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-11-06 22:28:08,855 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1279974112] [2020-11-06 22:28:08,860 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-11-06 22:28:08,860 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:28:08,875 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-06 22:28:08,876 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2020-11-06 22:28:08,878 INFO L87 Difference]: Start difference. First operand 29 states. Second operand 9 states. [2020-11-06 22:28:09,179 WARN L194 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2020-11-06 22:28:09,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:28:09,519 INFO L93 Difference]: Finished difference Result 37 states and 37 transitions. [2020-11-06 22:28:09,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-06 22:28:09,521 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 17 [2020-11-06 22:28:09,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:28:09,528 INFO L225 Difference]: With dead ends: 37 [2020-11-06 22:28:09,528 INFO L226 Difference]: Without dead ends: 0 [2020-11-06 22:28:09,532 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2020-11-06 22:28:09,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-06 22:28:09,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-06 22:28:09,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-06 22:28:09,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-06 22:28:09,558 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 17 [2020-11-06 22:28:09,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:28:09,559 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-06 22:28:09,559 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-11-06 22:28:09,559 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-06 22:28:09,559 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-06 22:28:09,560 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-06 22:28:09,562 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-06 22:28:09,715 INFO L266 CegarLoopResult]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2020-11-06 22:28:09,715 INFO L269 CegarLoopResult]: At program point reach_errorENTRY(line 3) the Hoare annotation is: true [2020-11-06 22:28:09,716 INFO L266 CegarLoopResult]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2020-11-06 22:28:09,716 INFO L266 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-06 22:28:09,716 INFO L266 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-11-06 22:28:09,716 INFO L262 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)|) (= ~p~0 |old(~p~0)|) (= |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|)) [2020-11-06 22:28:09,717 INFO L266 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-11-06 22:28:09,717 INFO L266 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-06 22:28:09,717 INFO L269 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-11-06 22:28:09,717 INFO L269 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-11-06 22:28:09,717 INFO L266 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-06 22:28:09,717 INFO L262 CegarLoopResult]: At program point mainENTRY(lines 35 38) the Hoare annotation is: (= ~p~0 |old(~p~0)|) [2020-11-06 22:28:09,717 INFO L266 CegarLoopResult]: For program point mainFINAL(lines 35 38) no Hoare annotation was computed. [2020-11-06 22:28:09,718 INFO L266 CegarLoopResult]: For program point mainEXIT(lines 35 38) no Hoare annotation was computed. [2020-11-06 22:28:09,718 INFO L266 CegarLoopResult]: For program point abs_intEXIT(lines 18 27) no Hoare annotation was computed. [2020-11-06 22:28:09,718 INFO L266 CegarLoopResult]: For program point L20(lines 20 26) no Hoare annotation was computed. [2020-11-06 22:28:09,718 INFO L269 CegarLoopResult]: At program point abs_intENTRY(lines 18 27) the Hoare annotation is: true [2020-11-06 22:28:09,718 INFO L266 CegarLoopResult]: For program point abs_intFINAL(lines 18 27) no Hoare annotation was computed. [2020-11-06 22:28:09,719 INFO L262 CegarLoopResult]: At program point L32(line 32) the Hoare annotation is: (<= 1 ~p~0) [2020-11-06 22:28:09,719 INFO L266 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-11-06 22:28:09,719 INFO L262 CegarLoopResult]: At program point firstFunctionENTRY(lines 29 33) the Hoare annotation is: (= ~p~0 |old(~p~0)|) [2020-11-06 22:28:09,719 INFO L266 CegarLoopResult]: For program point firstFunctionFINAL(lines 29 33) no Hoare annotation was computed. [2020-11-06 22:28:09,719 INFO L266 CegarLoopResult]: For program point firstFunctionEXIT(lines 29 33) no Hoare annotation was computed. [2020-11-06 22:28:09,719 INFO L269 CegarLoopResult]: At program point __VERIFIER_assertENTRY(lines 8 14) the Hoare annotation is: true [2020-11-06 22:28:09,720 INFO L262 CegarLoopResult]: At program point L12(line 12) the Hoare annotation is: (or (= |__VERIFIER_assert_#in~i| 0) (not (<= 1 ~p~0))) [2020-11-06 22:28:09,720 INFO L266 CegarLoopResult]: For program point L12-1(line 12) no Hoare annotation was computed. [2020-11-06 22:28:09,720 INFO L266 CegarLoopResult]: For program point L10(lines 10 13) no Hoare annotation was computed. [2020-11-06 22:28:09,720 INFO L266 CegarLoopResult]: For program point __VERIFIER_assertEXIT(lines 8 14) no Hoare annotation was computed. [2020-11-06 22:28:09,720 INFO L266 CegarLoopResult]: For program point L10-2(lines 8 14) no Hoare annotation was computed. [2020-11-06 22:28:09,726 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:28:09 BoogieIcfgContainer [2020-11-06 22:28:09,727 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-06 22:28:09,729 INFO L168 Benchmark]: Toolchain (without parser) took 2232.70 ms. Allocated memory is still 151.0 MB. Free memory was 107.4 MB in the beginning and 86.4 MB in the end (delta: 21.0 MB). Peak memory consumption was 21.3 MB. Max. memory is 8.0 GB. [2020-11-06 22:28:09,729 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 151.0 MB. Free memory is still 123.9 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-11-06 22:28:09,730 INFO L168 Benchmark]: CACSL2BoogieTranslator took 241.63 ms. Allocated memory is still 151.0 MB. Free memory was 106.6 MB in the beginning and 97.1 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. [2020-11-06 22:28:09,731 INFO L168 Benchmark]: Boogie Preprocessor took 88.68 ms. Allocated memory is still 151.0 MB. Free memory was 97.1 MB in the beginning and 134.0 MB in the end (delta: -36.9 MB). Peak memory consumption was 6.3 MB. Max. memory is 8.0 GB. [2020-11-06 22:28:09,732 INFO L168 Benchmark]: RCFGBuilder took 391.44 ms. Allocated memory is still 151.0 MB. Free memory was 134.0 MB in the beginning and 121.5 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2020-11-06 22:28:09,733 INFO L168 Benchmark]: TraceAbstraction took 1497.15 ms. Allocated memory is still 151.0 MB. Free memory was 121.0 MB in the beginning and 86.4 MB in the end (delta: 34.6 MB). Peak memory consumption was 35.5 MB. Max. memory is 8.0 GB. [2020-11-06 22:28:09,737 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 151.0 MB. Free memory is still 123.9 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 241.63 ms. Allocated memory is still 151.0 MB. Free memory was 106.6 MB in the beginning and 97.1 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 88.68 ms. Allocated memory is still 151.0 MB. Free memory was 97.1 MB in the beginning and 134.0 MB in the end (delta: -36.9 MB). Peak memory consumption was 6.3 MB. Max. memory is 8.0 GB. * RCFGBuilder took 391.44 ms. Allocated memory is still 151.0 MB. Free memory was 134.0 MB in the beginning and 121.5 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 1497.15 ms. Allocated memory is still 151.0 MB. Free memory was 121.0 MB in the beginning and 86.4 MB in the end (delta: 34.6 MB). Peak memory consumption was 35.5 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 - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 29 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.2s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 15 SDtfs, 24 SDslu, 64 SDs, 0 SdLazy, 66 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=29occurred 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, 10 LocationsWithAnnotation, 10 PreInvPairs, 10 NumberOfFragments, 56 HoareAnnotationTreeSize, 10 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 10 FomulaSimplificationsInter, 143 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 16 ConstructedInterpolants, 0 QuantifiedInterpolants, 1360 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...