/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/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/loops-crafted-1/net_reset.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-3af5e1f [2020-09-04 13:44:56,829 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-04 13:44:56,833 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-04 13:44:56,881 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-04 13:44:56,881 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-04 13:44:56,892 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-04 13:44:56,895 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-04 13:44:56,899 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-04 13:44:56,902 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-04 13:44:56,905 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-04 13:44:56,906 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-04 13:44:56,909 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-04 13:44:56,909 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-04 13:44:56,912 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-04 13:44:56,915 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-04 13:44:56,917 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-04 13:44:56,919 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-04 13:44:56,921 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-04 13:44:56,923 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-04 13:44:56,931 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-04 13:44:56,934 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-04 13:44:56,935 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-04 13:44:56,936 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-04 13:44:56,937 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-04 13:44:56,941 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-09-04 13:44:56,954 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-04 13:44:56,956 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-04 13:44:56,957 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-04 13:44:56,958 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-04 13:44:57,005 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-04 13:44:57,006 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-04 13:44:57,008 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-04 13:44:57,008 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-04 13:44:57,009 INFO L138 SettingsManager]: * Use SBE=true [2020-09-04 13:44:57,009 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-04 13:44:57,009 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-04 13:44:57,009 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-04 13:44:57,009 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-04 13:44:57,010 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-04 13:44:57,011 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-04 13:44:57,011 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-04 13:44:57,011 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-04 13:44:57,012 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-04 13:44:57,012 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-04 13:44:57,012 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-04 13:44:57,012 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-04 13:44:57,012 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-04 13:44:57,013 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-04 13:44:57,013 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-04 13:44:57,013 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-04 13:44:57,013 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-04 13:44:57,014 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-04 13:44:57,014 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-04 13:44:57,014 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-04 13:44:57,014 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-04 13:44:57,014 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-04 13:44:57,015 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-04 13:44:57,015 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-04 13:44:57,015 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-04 13:44:57,473 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-04 13:44:57,496 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-04 13:44:57,500 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-04 13:44:57,502 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-04 13:44:57,503 INFO L275 PluginConnector]: CDTParser initialized [2020-09-04 13:44:57,504 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops-crafted-1/net_reset.c [2020-09-04 13:44:57,587 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/597656cea/9cd32b1737904b38bb222d4a35c0be94/FLAGcc3556f70 [2020-09-04 13:44:58,178 INFO L306 CDTParser]: Found 1 translation units. [2020-09-04 13:44:58,179 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/loops-crafted-1/net_reset.c [2020-09-04 13:44:58,189 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/597656cea/9cd32b1737904b38bb222d4a35c0be94/FLAGcc3556f70 [2020-09-04 13:44:58,488 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/597656cea/9cd32b1737904b38bb222d4a35c0be94 [2020-09-04 13:44:58,505 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-04 13:44:58,508 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-04 13:44:58,512 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-04 13:44:58,512 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-04 13:44:58,517 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-04 13:44:58,519 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 01:44:58" (1/1) ... [2020-09-04 13:44:58,524 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62eea600 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:44:58, skipping insertion in model container [2020-09-04 13:44:58,525 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 01:44:58" (1/1) ... [2020-09-04 13:44:58,535 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-04 13:44:58,570 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-04 13:44:58,905 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 13:45:00,094 INFO L203 MainTranslator]: Completed pre-run [2020-09-04 13:45:00,136 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 13:45:00,165 INFO L208 MainTranslator]: Completed translation [2020-09-04 13:45:00,165 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:45:00 WrapperNode [2020-09-04 13:45:00,166 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-04 13:45:00,167 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-04 13:45:00,167 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-04 13:45:00,167 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-04 13:45:00,188 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:45:00" (1/1) ... [2020-09-04 13:45:00,188 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:45:00" (1/1) ... [2020-09-04 13:45:00,204 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:45:00" (1/1) ... [2020-09-04 13:45:00,205 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:45:00" (1/1) ... [2020-09-04 13:45:00,216 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:45:00" (1/1) ... [2020-09-04 13:45:00,226 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:45:00" (1/1) ... [2020-09-04 13:45:00,231 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:45:00" (1/1) ... [2020-09-04 13:45:00,238 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-04 13:45:00,238 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-04 13:45:00,241 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-04 13:45:00,241 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-04 13:45:00,243 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:45:00" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-09-04 13:45:00,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-04 13:45:00,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-04 13:45:00,347 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-09-04 13:45:00,348 INFO L138 BoogieDeclarations]: Found implementation of procedure net_reset [2020-09-04 13:45:00,348 INFO L138 BoogieDeclarations]: Found implementation of procedure net_send_batch [2020-09-04 13:45:00,348 INFO L138 BoogieDeclarations]: Found implementation of procedure net_reopen [2020-09-04 13:45:00,349 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-04 13:45:00,349 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-04 13:45:00,350 INFO L130 BoogieDeclarations]: Found specification of procedure net_reset [2020-09-04 13:45:00,350 INFO L130 BoogieDeclarations]: Found specification of procedure net_reopen [2020-09-04 13:45:00,350 INFO L130 BoogieDeclarations]: Found specification of procedure net_send_batch [2020-09-04 13:45:00,351 INFO L130 BoogieDeclarations]: Found specification of procedure addrcmp [2020-09-04 13:45:00,351 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-09-04 13:45:00,352 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-04 13:45:00,352 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-04 13:45:00,353 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-04 13:45:00,353 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-04 13:45:00,354 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-04 13:45:00,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-04 13:45:00,354 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-04 13:45:00,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-04 13:45:00,817 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-04 13:45:00,818 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-09-04 13:45:00,822 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 01:45:00 BoogieIcfgContainer [2020-09-04 13:45:00,822 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-04 13:45:00,823 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-04 13:45:00,823 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-04 13:45:00,827 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-04 13:45:00,827 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.09 01:44:58" (1/3) ... [2020-09-04 13:45:00,828 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@551a3dbd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 01:45:00, skipping insertion in model container [2020-09-04 13:45:00,828 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:45:00" (2/3) ... [2020-09-04 13:45:00,829 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@551a3dbd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 01:45:00, skipping insertion in model container [2020-09-04 13:45:00,829 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 01:45:00" (3/3) ... [2020-09-04 13:45:00,831 INFO L109 eAbstractionObserver]: Analyzing ICFG net_reset.c [2020-09-04 13:45:00,842 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-09-04 13:45:00,853 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-04 13:45:00,876 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-04 13:45:00,907 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-04 13:45:00,908 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-04 13:45:00,908 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-09-04 13:45:00,908 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-04 13:45:00,908 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-04 13:45:00,908 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-04 13:45:00,909 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-04 13:45:00,909 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-04 13:45:00,933 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states. [2020-09-04 13:45:00,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-09-04 13:45:00,942 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 13:45:00,943 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] [2020-09-04 13:45:00,944 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 13:45:00,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 13:45:00,952 INFO L82 PathProgramCache]: Analyzing trace with hash 1559425920, now seen corresponding path program 1 times [2020-09-04 13:45:00,966 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-04 13:45:00,966 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [866492663] [2020-09-04 13:45:00,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 13:45:01,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:45:01,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 13:45:01,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:45:01,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-04 13:45:01,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:45:01,460 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 13:45:01,461 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [866492663] [2020-09-04 13:45:01,463 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 13:45:01,463 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-04 13:45:01,464 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2146330134] [2020-09-04 13:45:01,470 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-04 13:45:01,471 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-04 13:45:01,489 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-04 13:45:01,490 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-09-04 13:45:01,493 INFO L87 Difference]: Start difference. First operand 40 states. Second operand 6 states. [2020-09-04 13:45:01,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 13:45:01,950 INFO L93 Difference]: Finished difference Result 52 states and 59 transitions. [2020-09-04 13:45:01,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-04 13:45:01,953 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 21 [2020-09-04 13:45:01,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 13:45:01,963 INFO L225 Difference]: With dead ends: 52 [2020-09-04 13:45:01,963 INFO L226 Difference]: Without dead ends: 0 [2020-09-04 13:45:01,968 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2020-09-04 13:45:01,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-04 13:45:01,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-04 13:45:02,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-04 13:45:02,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-04 13:45:02,004 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 21 [2020-09-04 13:45:02,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 13:45:02,004 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-04 13:45:02,004 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-04 13:45:02,005 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-04 13:45:02,005 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-04 13:45:02,005 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-04 13:45:02,008 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-04 13:45:02,305 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 13 [2020-09-04 13:45:02,580 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-04 13:45:02,581 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |~#unspec_addr~0.base| |old(~#unspec_addr~0.base)|) (= |old(#length)| |#length|) (= ~batch_at~0 |old(~batch_at~0)|) (= |#memory_int| |old(#memory_int)|) (= ~fstTTL~0 |old(~fstTTL~0)|) (= |old(#valid)| |#valid|) (= ~__tmpTR__int_1~0 |old(~__tmpTR__int_1~0)|) (= |~#unspec_addr~0.offset| |old(~#unspec_addr~0.offset)|) (= |#t~string1.base| |old(#t~string1.base)|) (= |~#host~0.base| |old(~#host~0.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |~#host~0.offset| |old(~#host~0.offset)|) (= |#t~string1.offset| |old(#t~string1.offset)|)) [2020-09-04 13:45:02,581 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-04 13:45:02,581 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-04 13:45:02,582 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (<= (+ ~batch_at~0 1) ~fstTTL~0) [2020-09-04 13:45:02,583 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-04 13:45:02,583 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-04 13:45:02,584 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 231 235) the Hoare annotation is: (or (not (<= (+ |old(~batch_at~0)| 1) ~fstTTL~0)) (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|) (= |old(~__tmpTR__int_1~0)| ~__tmpTR__int_1~0) (= |old(~batch_at~0)| ~batch_at~0))) [2020-09-04 13:45:02,584 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 231 235) no Hoare annotation was computed. [2020-09-04 13:45:02,584 INFO L264 CegarLoopResult]: At program point L233(line 233) the Hoare annotation is: (or (not (<= (+ |old(~batch_at~0)| 1) ~fstTTL~0)) (= |old(~batch_at~0)| ~batch_at~0)) [2020-09-04 13:45:02,585 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 231 235) no Hoare annotation was computed. [2020-09-04 13:45:02,585 INFO L268 CegarLoopResult]: For program point L233-1(line 233) no Hoare annotation was computed. [2020-09-04 13:45:02,585 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-09-04 13:45:02,586 INFO L268 CegarLoopResult]: For program point L192(lines 192 194) no Hoare annotation was computed. [2020-09-04 13:45:02,586 INFO L271 CegarLoopResult]: At program point __VERIFIER_assertENTRY(lines 191 196) the Hoare annotation is: true [2020-09-04 13:45:02,586 INFO L268 CegarLoopResult]: For program point L192-2(lines 191 196) no Hoare annotation was computed. [2020-09-04 13:45:02,586 INFO L268 CegarLoopResult]: For program point __VERIFIER_assertEXIT(lines 191 196) no Hoare annotation was computed. [2020-09-04 13:45:02,586 INFO L268 CegarLoopResult]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 193) no Hoare annotation was computed. [2020-09-04 13:45:02,587 INFO L268 CegarLoopResult]: For program point L224(line 224) no Hoare annotation was computed. [2020-09-04 13:45:02,587 INFO L268 CegarLoopResult]: For program point net_reopenEXIT(lines 214 229) no Hoare annotation was computed. [2020-09-04 13:45:02,587 INFO L268 CegarLoopResult]: For program point L221(line 221) no Hoare annotation was computed. [2020-09-04 13:45:02,587 INFO L264 CegarLoopResult]: At program point net_reopenENTRY(lines 214 229) the Hoare annotation is: (or (not (<= (+ |old(~batch_at~0)| 1) ~fstTTL~0)) (and (= |old(~__tmpTR__int_1~0)| ~__tmpTR__int_1~0) (= |old(~batch_at~0)| ~batch_at~0))) [2020-09-04 13:45:02,587 INFO L268 CegarLoopResult]: For program point net_reopenFINAL(lines 214 229) no Hoare annotation was computed. [2020-09-04 13:45:02,588 INFO L268 CegarLoopResult]: For program point L218(line 218) no Hoare annotation was computed. [2020-09-04 13:45:02,588 INFO L264 CegarLoopResult]: At program point L216(lines 216 226) the Hoare annotation is: (or (not (<= (+ |old(~batch_at~0)| 1) ~fstTTL~0)) (and (= |old(~__tmpTR__int_1~0)| ~__tmpTR__int_1~0) (= |old(~batch_at~0)| ~batch_at~0))) [2020-09-04 13:45:02,588 INFO L268 CegarLoopResult]: For program point L228(line 228) no Hoare annotation was computed. [2020-09-04 13:45:02,589 INFO L264 CegarLoopResult]: At program point L227(line 227) the Hoare annotation is: (or (not (<= (+ |old(~batch_at~0)| 1) ~fstTTL~0)) (and (= |old(~__tmpTR__int_1~0)| ~__tmpTR__int_1~0) (= |old(~batch_at~0)| ~batch_at~0))) [2020-09-04 13:45:02,590 INFO L264 CegarLoopResult]: At program point L227-1(line 227) the Hoare annotation is: (or (not (<= (+ |old(~batch_at~0)| 1) ~fstTTL~0)) (<= (+ ~batch_at~0 1) ~fstTTL~0)) [2020-09-04 13:45:02,590 INFO L264 CegarLoopResult]: At program point net_send_batchENTRY(lines 203 213) the Hoare annotation is: (or (not (<= (+ ~batch_at~0 1) ~fstTTL~0)) (= |old(~__tmpTR__int_1~0)| ~__tmpTR__int_1~0)) [2020-09-04 13:45:02,591 INFO L268 CegarLoopResult]: For program point net_send_batchEXIT(lines 203 213) no Hoare annotation was computed. [2020-09-04 13:45:02,591 INFO L268 CegarLoopResult]: For program point net_send_batchFINAL(lines 203 213) no Hoare annotation was computed. [2020-09-04 13:45:02,591 INFO L264 CegarLoopResult]: At program point L208(line 208) the Hoare annotation is: (not (<= (+ ~batch_at~0 1) ~fstTTL~0)) [2020-09-04 13:45:02,593 INFO L268 CegarLoopResult]: For program point L208-1(line 208) no Hoare annotation was computed. [2020-09-04 13:45:02,593 INFO L268 CegarLoopResult]: For program point L208-2(lines 208 209) no Hoare annotation was computed. [2020-09-04 13:45:02,593 INFO L268 CegarLoopResult]: For program point L206-2(lines 206 211) no Hoare annotation was computed. [2020-09-04 13:45:02,593 INFO L264 CegarLoopResult]: At program point L206-3(lines 206 211) the Hoare annotation is: (or (not (<= (+ ~batch_at~0 1) ~fstTTL~0)) (and (<= ~batch_at~0 net_send_batch_~i~0) (= |old(~__tmpTR__int_1~0)| ~__tmpTR__int_1~0))) [2020-09-04 13:45:02,593 INFO L268 CegarLoopResult]: For program point L206-4(lines 206 211) no Hoare annotation was computed. [2020-09-04 13:45:02,594 INFO L264 CegarLoopResult]: At program point net_resetENTRY(lines 198 202) the Hoare annotation is: (or (not (<= (+ |old(~batch_at~0)| 1) ~fstTTL~0)) (= |old(~batch_at~0)| ~batch_at~0)) [2020-09-04 13:45:02,594 INFO L268 CegarLoopResult]: For program point net_resetEXIT(lines 198 202) no Hoare annotation was computed. [2020-09-04 13:45:02,594 INFO L268 CegarLoopResult]: For program point net_resetFINAL(lines 198 202) no Hoare annotation was computed. [2020-09-04 13:45:02,628 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.09 01:45:02 BoogieIcfgContainer [2020-09-04 13:45:02,628 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-04 13:45:02,633 INFO L168 Benchmark]: Toolchain (without parser) took 4123.56 ms. Allocated memory was 141.6 MB in the beginning and 277.3 MB in the end (delta: 135.8 MB). Free memory was 102.8 MB in the beginning and 121.9 MB in the end (delta: -19.2 MB). Peak memory consumption was 189.0 MB. Max. memory is 7.1 GB. [2020-09-04 13:45:02,635 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 141.6 MB. Free memory was 121.8 MB in the beginning and 121.4 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. [2020-09-04 13:45:02,637 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1654.38 ms. Allocated memory was 141.6 MB in the beginning and 259.5 MB in the end (delta: 118.0 MB). Free memory was 102.8 MB in the beginning and 146.6 MB in the end (delta: -43.8 MB). Peak memory consumption was 178.4 MB. Max. memory is 7.1 GB. [2020-09-04 13:45:02,638 INFO L168 Benchmark]: Boogie Preprocessor took 71.39 ms. Allocated memory is still 259.5 MB. Free memory was 146.6 MB in the beginning and 144.7 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2020-09-04 13:45:02,640 INFO L168 Benchmark]: RCFGBuilder took 583.61 ms. Allocated memory is still 259.5 MB. Free memory was 144.7 MB in the beginning and 123.4 MB in the end (delta: 21.3 MB). Peak memory consumption was 21.3 MB. Max. memory is 7.1 GB. [2020-09-04 13:45:02,643 INFO L168 Benchmark]: TraceAbstraction took 1805.28 ms. Allocated memory was 259.5 MB in the beginning and 277.3 MB in the end (delta: 17.8 MB). Free memory was 121.5 MB in the beginning and 121.9 MB in the end (delta: -445.2 kB). Peak memory consumption was 89.8 MB. Max. memory is 7.1 GB. [2020-09-04 13:45:02,657 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 141.6 MB. Free memory was 121.8 MB in the beginning and 121.4 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1654.38 ms. Allocated memory was 141.6 MB in the beginning and 259.5 MB in the end (delta: 118.0 MB). Free memory was 102.8 MB in the beginning and 146.6 MB in the end (delta: -43.8 MB). Peak memory consumption was 178.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 71.39 ms. Allocated memory is still 259.5 MB. Free memory was 146.6 MB in the beginning and 144.7 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 583.61 ms. Allocated memory is still 259.5 MB. Free memory was 144.7 MB in the beginning and 123.4 MB in the end (delta: 21.3 MB). Peak memory consumption was 21.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1805.28 ms. Allocated memory was 259.5 MB in the beginning and 277.3 MB in the end (delta: 17.8 MB). Free memory was 121.5 MB in the beginning and 121.9 MB in the end (delta: -445.2 kB). Peak memory consumption was 89.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 193]: 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: 206]: Loop Invariant Derived loop invariant: !(batch_at + 1 <= fstTTL) || (batch_at <= i && \old(__tmpTR__int_1) == __tmpTR__int_1) - InvariantResult [Line: 216]: Loop Invariant Derived loop invariant: !(\old(batch_at) + 1 <= fstTTL) || (\old(__tmpTR__int_1) == __tmpTR__int_1 && \old(batch_at) == batch_at) - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 40 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.1s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 23 SDtfs, 37 SDslu, 18 SDs, 0 SdLazy, 49 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=40occurred 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, 14 LocationsWithAnnotation, 14 PreInvPairs, 15 NumberOfFragments, 174 HoareAnnotationTreeSize, 14 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 14 FomulaSimplificationsInter, 298 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 20 ConstructedInterpolants, 0 QuantifiedInterpolants, 1640 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...