/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/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf -i ../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--iio--trigger--iio-trig-interrupt.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 03:25:51,926 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 03:25:51,929 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 03:25:51,941 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 03:25:51,941 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 03:25:51,942 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 03:25:51,944 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 03:25:51,945 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 03:25:51,947 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 03:25:51,948 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 03:25:51,949 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 03:25:51,950 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 03:25:51,951 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 03:25:51,952 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 03:25:51,953 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 03:25:51,954 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 03:25:51,955 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 03:25:51,956 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 03:25:51,957 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 03:25:51,959 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 03:25:51,961 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 03:25:51,962 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 03:25:51,963 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 03:25:51,964 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 03:25:51,966 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-24 03:25:51,974 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 03:25:51,975 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 03:25:51,975 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 03:25:51,976 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2019-11-24 03:25:51,991 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 03:25:51,991 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 03:25:51,992 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 03:25:51,992 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 03:25:51,992 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 03:25:51,993 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 03:25:51,993 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 03:25:51,993 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 03:25:51,993 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 03:25:51,993 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 03:25:51,993 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 03:25:51,994 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 03:25:51,994 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 03:25:51,994 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 03:25:51,994 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 03:25:51,995 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 03:25:51,995 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 03:25:51,995 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 03:25:51,996 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 03:25:51,996 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 03:25:51,996 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 03:25:51,996 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 03:25:51,996 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 03:25:51,997 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 03:25:51,997 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 03:25:51,997 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 03:25:51,997 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 03:25:51,998 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 03:25:51,998 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 03:25:51,998 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 03:25:51,998 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 03:25:51,998 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 03:25:51,999 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 03:25:51,999 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 03:25:51,999 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 03:25:51,999 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 03:25:51,999 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 03:25:52,000 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 03:25:52,278 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 03:25:52,291 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 03:25:52,294 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 03:25:52,296 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 03:25:52,296 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 03:25:52,297 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--iio--trigger--iio-trig-interrupt.ko-entry_point.cil.out.i [2019-11-24 03:25:52,359 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e1ec85df/4c7f8d1207f04aa6b0c9fe54ab469723/FLAG6b948febd [2019-11-24 03:25:53,026 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 03:25:53,027 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--iio--trigger--iio-trig-interrupt.ko-entry_point.cil.out.i [2019-11-24 03:25:53,062 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e1ec85df/4c7f8d1207f04aa6b0c9fe54ab469723/FLAG6b948febd [2019-11-24 03:25:53,203 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e1ec85df/4c7f8d1207f04aa6b0c9fe54ab469723 [2019-11-24 03:25:53,212 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 03:25:53,213 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 03:25:53,215 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 03:25:53,215 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 03:25:53,218 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 03:25:53,219 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 03:25:53" (1/1) ... [2019-11-24 03:25:53,222 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@404d43e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:25:53, skipping insertion in model container [2019-11-24 03:25:53,223 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 03:25:53" (1/1) ... [2019-11-24 03:25:53,230 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 03:25:53,323 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 03:25:54,222 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 03:25:54,249 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 03:25:54,461 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 03:25:54,553 INFO L208 MainTranslator]: Completed translation [2019-11-24 03:25:54,554 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:25:54 WrapperNode [2019-11-24 03:25:54,555 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 03:25:54,556 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 03:25:54,556 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 03:25:54,556 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 03:25:54,569 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:25:54" (1/1) ... [2019-11-24 03:25:54,618 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:25:54" (1/1) ... [2019-11-24 03:25:54,723 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 03:25:54,724 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 03:25:54,724 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 03:25:54,724 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 03:25:54,735 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:25:54" (1/1) ... [2019-11-24 03:25:54,736 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:25:54" (1/1) ... [2019-11-24 03:25:54,760 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:25:54" (1/1) ... [2019-11-24 03:25:54,761 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:25:54" (1/1) ... [2019-11-24 03:25:54,818 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:25:54" (1/1) ... [2019-11-24 03:25:54,840 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:25:54" (1/1) ... [2019-11-24 03:25:54,849 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:25:54" (1/1) ... [2019-11-24 03:25:54,865 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 03:25:54,866 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 03:25:54,866 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 03:25:54,866 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 03:25:54,870 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:25:54" (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 [2019-11-24 03:25:54,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-24 03:25:54,948 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-24 03:25:54,949 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-24 03:25:54,949 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-24 03:25:54,949 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-24 03:25:54,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-24 03:25:54,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-24 03:25:54,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-24 03:25:54,950 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-24 03:25:54,950 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 03:25:54,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-24 03:25:57,637 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-24 03:25:57,637 INFO L284 CfgBuilder]: Removed 182 assume(true) statements. [2019-11-24 03:25:57,638 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 03:25:57 BoogieIcfgContainer [2019-11-24 03:25:57,639 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-24 03:25:57,640 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-24 03:25:57,640 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-24 03:25:57,643 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-24 03:25:57,644 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 03:25:53" (1/3) ... [2019-11-24 03:25:57,644 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c213ea9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 03:25:57, skipping insertion in model container [2019-11-24 03:25:57,645 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:25:54" (2/3) ... [2019-11-24 03:25:57,645 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c213ea9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 03:25:57, skipping insertion in model container [2019-11-24 03:25:57,645 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 03:25:57" (3/3) ... [2019-11-24 03:25:57,647 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--iio--trigger--iio-trig-interrupt.ko-entry_point.cil.out.i [2019-11-24 03:25:57,657 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-24 03:25:57,665 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2019-11-24 03:25:57,678 INFO L249 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2019-11-24 03:25:57,705 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-24 03:25:57,705 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-24 03:25:57,705 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-24 03:25:57,706 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-24 03:25:57,706 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-24 03:25:57,706 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-24 03:25:57,706 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-24 03:25:57,706 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-24 03:25:57,725 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states. [2019-11-24 03:25:57,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-24 03:25:57,732 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 03:25:57,733 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-24 03:25:57,733 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 03:25:57,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 03:25:57,740 INFO L82 PathProgramCache]: Analyzing trace with hash -536896420, now seen corresponding path program 1 times [2019-11-24 03:25:57,750 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 03:25:57,751 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1525940744] [2019-11-24 03:25:57,751 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 03:25:57,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 03:25:58,126 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-24 03:25:58,126 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1525940744] [2019-11-24 03:25:58,127 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-24 03:25:58,128 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-24 03:25:58,129 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107197579] [2019-11-24 03:25:58,134 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-24 03:25:58,135 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 03:25:58,180 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-24 03:25:58,181 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-24 03:25:58,184 INFO L87 Difference]: Start difference. First operand 91 states. Second operand 3 states. [2019-11-24 03:25:58,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 03:25:58,276 INFO L93 Difference]: Finished difference Result 264 states and 418 transitions. [2019-11-24 03:25:58,277 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-24 03:25:58,278 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2019-11-24 03:25:58,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 03:25:58,292 INFO L225 Difference]: With dead ends: 264 [2019-11-24 03:25:58,292 INFO L226 Difference]: Without dead ends: 156 [2019-11-24 03:25:58,297 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-24 03:25:58,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2019-11-24 03:25:58,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 150. [2019-11-24 03:25:58,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2019-11-24 03:25:58,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 229 transitions. [2019-11-24 03:25:58,352 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 229 transitions. Word has length 9 [2019-11-24 03:25:58,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 03:25:58,352 INFO L462 AbstractCegarLoop]: Abstraction has 150 states and 229 transitions. [2019-11-24 03:25:58,352 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-24 03:25:58,353 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 229 transitions. [2019-11-24 03:25:58,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-24 03:25:58,354 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 03:25:58,354 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-24 03:25:58,354 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 03:25:58,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 03:25:58,355 INFO L82 PathProgramCache]: Analyzing trace with hash 1193673050, now seen corresponding path program 1 times [2019-11-24 03:25:58,355 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 03:25:58,356 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [826697715] [2019-11-24 03:25:58,356 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 03:25:58,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 03:25:58,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-24 03:25:58,479 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [826697715] [2019-11-24 03:25:58,480 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-24 03:25:58,480 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-24 03:25:58,481 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [442143567] [2019-11-24 03:25:58,482 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-24 03:25:58,483 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 03:25:58,483 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-24 03:25:58,483 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-24 03:25:58,483 INFO L87 Difference]: Start difference. First operand 150 states and 229 transitions. Second operand 3 states. [2019-11-24 03:25:58,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 03:25:58,529 INFO L93 Difference]: Finished difference Result 291 states and 450 transitions. [2019-11-24 03:25:58,533 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-24 03:25:58,533 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2019-11-24 03:25:58,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 03:25:58,535 INFO L225 Difference]: With dead ends: 291 [2019-11-24 03:25:58,535 INFO L226 Difference]: Without dead ends: 141 [2019-11-24 03:25:58,539 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-24 03:25:58,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2019-11-24 03:25:58,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 138. [2019-11-24 03:25:58,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2019-11-24 03:25:58,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 210 transitions. [2019-11-24 03:25:58,568 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 210 transitions. Word has length 12 [2019-11-24 03:25:58,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 03:25:58,568 INFO L462 AbstractCegarLoop]: Abstraction has 138 states and 210 transitions. [2019-11-24 03:25:58,568 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-24 03:25:58,568 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 210 transitions. [2019-11-24 03:25:58,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-24 03:25:58,571 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 03:25:58,571 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-24 03:25:58,571 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 03:25:58,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 03:25:58,572 INFO L82 PathProgramCache]: Analyzing trace with hash 223525278, now seen corresponding path program 1 times [2019-11-24 03:25:58,572 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 03:25:58,572 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [470441232] [2019-11-24 03:25:58,573 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 03:25:58,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 03:25:58,645 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-24 03:25:58,645 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [470441232] [2019-11-24 03:25:58,645 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-24 03:25:58,646 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-24 03:25:58,648 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1419439922] [2019-11-24 03:25:58,648 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-24 03:25:58,648 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 03:25:58,648 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-24 03:25:58,650 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-24 03:25:58,650 INFO L87 Difference]: Start difference. First operand 138 states and 210 transitions. Second operand 3 states. [2019-11-24 03:25:58,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 03:25:58,708 INFO L93 Difference]: Finished difference Result 296 states and 452 transitions. [2019-11-24 03:25:58,708 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-24 03:25:58,709 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2019-11-24 03:25:58,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 03:25:58,711 INFO L225 Difference]: With dead ends: 296 [2019-11-24 03:25:58,711 INFO L226 Difference]: Without dead ends: 159 [2019-11-24 03:25:58,713 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-24 03:25:58,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2019-11-24 03:25:58,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 159. [2019-11-24 03:25:58,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 159 states. [2019-11-24 03:25:58,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 241 transitions. [2019-11-24 03:25:58,734 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 241 transitions. Word has length 12 [2019-11-24 03:25:58,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 03:25:58,734 INFO L462 AbstractCegarLoop]: Abstraction has 159 states and 241 transitions. [2019-11-24 03:25:58,735 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-24 03:25:58,735 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 241 transitions. [2019-11-24 03:25:58,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-11-24 03:25:58,737 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 03:25:58,737 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-24 03:25:58,738 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 03:25:58,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 03:25:58,738 INFO L82 PathProgramCache]: Analyzing trace with hash -1065763064, now seen corresponding path program 1 times [2019-11-24 03:25:58,739 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 03:25:58,739 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [866682163] [2019-11-24 03:25:58,739 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 03:25:58,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 03:25:58,867 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-24 03:25:58,869 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [866682163] [2019-11-24 03:25:58,869 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [160234387] [2019-11-24 03:25:58,869 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-24 03:25:59,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 03:25:59,055 INFO L255 TraceCheckSpWp]: Trace formula consists of 499 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-24 03:25:59,062 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-24 03:25:59,092 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-24 03:25:59,093 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-24 03:25:59,107 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-24 03:25:59,107 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-11-24 03:25:59,108 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [3] total 4 [2019-11-24 03:25:59,109 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2142912002] [2019-11-24 03:25:59,109 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-24 03:25:59,109 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 03:25:59,110 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-24 03:25:59,110 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-11-24 03:25:59,110 INFO L87 Difference]: Start difference. First operand 159 states and 241 transitions. Second operand 3 states. [2019-11-24 03:25:59,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 03:25:59,158 INFO L93 Difference]: Finished difference Result 381 states and 583 transitions. [2019-11-24 03:25:59,158 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-24 03:25:59,158 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 21 [2019-11-24 03:25:59,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 03:25:59,160 INFO L225 Difference]: With dead ends: 381 [2019-11-24 03:25:59,160 INFO L226 Difference]: Without dead ends: 265 [2019-11-24 03:25:59,162 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 39 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-11-24 03:25:59,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2019-11-24 03:25:59,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 251. [2019-11-24 03:25:59,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 251 states. [2019-11-24 03:25:59,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 386 transitions. [2019-11-24 03:25:59,193 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 386 transitions. Word has length 21 [2019-11-24 03:25:59,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 03:25:59,193 INFO L462 AbstractCegarLoop]: Abstraction has 251 states and 386 transitions. [2019-11-24 03:25:59,194 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-24 03:25:59,194 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 386 transitions. [2019-11-24 03:25:59,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-24 03:25:59,198 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 03:25:59,198 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-24 03:25:59,399 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-24 03:25:59,400 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 03:25:59,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 03:25:59,400 INFO L82 PathProgramCache]: Analyzing trace with hash -618929754, now seen corresponding path program 1 times [2019-11-24 03:25:59,400 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 03:25:59,401 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [711869368] [2019-11-24 03:25:59,401 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 03:25:59,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 03:25:59,577 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-24 03:25:59,577 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [711869368] [2019-11-24 03:25:59,578 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-24 03:25:59,578 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-24 03:25:59,617 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1886510350] [2019-11-24 03:25:59,620 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-24 03:25:59,620 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 03:25:59,620 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-24 03:25:59,621 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-24 03:25:59,621 INFO L87 Difference]: Start difference. First operand 251 states and 386 transitions. Second operand 3 states. [2019-11-24 03:25:59,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 03:25:59,641 INFO L93 Difference]: Finished difference Result 461 states and 711 transitions. [2019-11-24 03:25:59,641 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-24 03:25:59,642 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2019-11-24 03:25:59,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 03:25:59,643 INFO L225 Difference]: With dead ends: 461 [2019-11-24 03:25:59,644 INFO L226 Difference]: Without dead ends: 253 [2019-11-24 03:25:59,645 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-24 03:25:59,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2019-11-24 03:25:59,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 253. [2019-11-24 03:25:59,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 253 states. [2019-11-24 03:25:59,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 388 transitions. [2019-11-24 03:25:59,657 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 388 transitions. Word has length 24 [2019-11-24 03:25:59,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 03:25:59,657 INFO L462 AbstractCegarLoop]: Abstraction has 253 states and 388 transitions. [2019-11-24 03:25:59,657 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-24 03:25:59,657 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 388 transitions. [2019-11-24 03:25:59,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-24 03:25:59,658 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 03:25:59,659 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-24 03:25:59,659 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 03:25:59,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 03:25:59,659 INFO L82 PathProgramCache]: Analyzing trace with hash 1023445070, now seen corresponding path program 1 times [2019-11-24 03:25:59,660 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 03:25:59,660 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [797823471] [2019-11-24 03:25:59,660 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 03:25:59,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-24 03:25:59,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-24 03:25:59,917 INFO L174 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2019-11-24 03:25:59,917 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-24 03:25:59,955 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-24 03:25:59,956 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-24 03:25:59,959 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-24 03:25:59,959 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-24 03:25:59,961 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-24 03:25:59,961 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-24 03:25:59,962 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-24 03:25:59,964 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-24 03:25:59,968 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-24 03:25:59,968 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-24 03:25:59,969 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-24 03:25:59,971 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-24 03:25:59,971 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-24 03:25:59,971 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-24 03:25:59,976 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-24 03:25:59,977 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-24 03:25:59,977 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-24 03:25:59,977 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-24 03:25:59,979 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-24 03:25:59,979 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-24 03:25:59,980 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-24 03:25:59,980 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-24 03:25:59,981 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-24 03:25:59,981 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-24 03:25:59,982 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-24 03:25:59,982 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-24 03:25:59,983 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-24 03:25:59,983 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-24 03:25:59,983 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-24 03:25:59,985 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-24 03:25:59,986 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-24 03:25:59,986 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-24 03:25:59,986 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-24 03:25:59,987 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-24 03:25:59,987 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-24 03:25:59,987 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-24 03:26:00,072 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 03:26:00 BoogieIcfgContainer [2019-11-24 03:26:00,072 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-24 03:26:00,075 INFO L168 Benchmark]: Toolchain (without parser) took 6860.51 ms. Allocated memory was 140.5 MB in the beginning and 312.5 MB in the end (delta: 172.0 MB). Free memory was 97.3 MB in the beginning and 204.8 MB in the end (delta: -107.6 MB). Peak memory consumption was 64.4 MB. Max. memory is 7.1 GB. [2019-11-24 03:26:00,075 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 140.5 MB. Free memory is still 119.4 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-11-24 03:26:00,076 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1340.74 ms. Allocated memory was 140.5 MB in the beginning and 202.9 MB in the end (delta: 62.4 MB). Free memory was 96.8 MB in the beginning and 131.5 MB in the end (delta: -34.7 MB). Peak memory consumption was 33.0 MB. Max. memory is 7.1 GB. [2019-11-24 03:26:00,077 INFO L168 Benchmark]: Boogie Procedure Inliner took 167.72 ms. Allocated memory is still 202.9 MB. Free memory was 131.5 MB in the beginning and 125.5 MB in the end (delta: 6.0 MB). Peak memory consumption was 6.0 MB. Max. memory is 7.1 GB. [2019-11-24 03:26:00,078 INFO L168 Benchmark]: Boogie Preprocessor took 141.29 ms. Allocated memory is still 202.9 MB. Free memory was 125.5 MB in the beginning and 120.3 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 7.1 GB. [2019-11-24 03:26:00,079 INFO L168 Benchmark]: RCFGBuilder took 2773.42 ms. Allocated memory was 202.9 MB in the beginning and 259.5 MB in the end (delta: 56.6 MB). Free memory was 120.3 MB in the beginning and 96.7 MB in the end (delta: 23.5 MB). Peak memory consumption was 85.4 MB. Max. memory is 7.1 GB. [2019-11-24 03:26:00,080 INFO L168 Benchmark]: TraceAbstraction took 2432.31 ms. Allocated memory was 259.5 MB in the beginning and 312.5 MB in the end (delta: 53.0 MB). Free memory was 96.7 MB in the beginning and 204.8 MB in the end (delta: -108.1 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-11-24 03:26:00,084 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 140.5 MB. Free memory is still 119.4 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1340.74 ms. Allocated memory was 140.5 MB in the beginning and 202.9 MB in the end (delta: 62.4 MB). Free memory was 96.8 MB in the beginning and 131.5 MB in the end (delta: -34.7 MB). Peak memory consumption was 33.0 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 167.72 ms. Allocated memory is still 202.9 MB. Free memory was 131.5 MB in the beginning and 125.5 MB in the end (delta: 6.0 MB). Peak memory consumption was 6.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 141.29 ms. Allocated memory is still 202.9 MB. Free memory was 125.5 MB in the beginning and 120.3 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2773.42 ms. Allocated memory was 202.9 MB in the beginning and 259.5 MB in the end (delta: 56.6 MB). Free memory was 120.3 MB in the beginning and 96.7 MB in the end (delta: 23.5 MB). Peak memory consumption was 85.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2432.31 ms. Allocated memory was 259.5 MB in the beginning and 312.5 MB in the end (delta: 53.0 MB). Free memory was 96.7 MB in the beginning and 204.8 MB in the end (delta: -108.1 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 3304]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of large string literal at line 2946, overapproximation of bitwiseOr at line 2667. Possible FailurePath: [L2753] int ldv_irq_1_2 = 0; [L2754] int LDV_IN_INTERRUPT = 1; [L2755] int ldv_irq_1_3 = 0; [L2756] void *ldv_irq_data_1_1 ; [L2757] int ldv_irq_1_1 = 0; [L2758] int ldv_irq_1_0 = 0; [L2759] int probed_2 = 0; [L2760] int ldv_irq_line_1_3 ; [L2761] void *ldv_irq_data_1_0 ; [L2762] int ldv_state_variable_0 ; [L2763] int ldv_irq_line_1_0 ; [L2764] int ldv_state_variable_2 ; [L2765] void *ldv_irq_data_1_3 ; [L2766] int ref_cnt ; [L2767] int ldv_irq_line_1_1 ; [L2769] void *ldv_irq_data_1_2 ; [L2770] int ldv_state_variable_1 ; [L2771] int ldv_irq_line_1_2 ; [L2971] int ldv_retval_0 ; [L2972] int ldv_retval_1 ; [L2975] int ldv_retval_2 ; [L3343] int ldv_module_refcounter = 1; [L2768] struct platform_device *iio_interrupt_trigger_driver_group1 ; [L2868] static struct iio_trigger_ops const iio_interrupt_trigger_ops = {& __this_module, 0, 0, 0}; [L2945-L2955] static struct platform_driver iio_interrupt_trigger_driver = {& iio_interrupt_trigger_probe, & iio_interrupt_trigger_remove, 0, 0, 0, {"iio_interrupt_trigger", 0, 0, 0, (_Bool)0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, 0, (_Bool)0}; [L3124] int tmp ; [L3125] int tmp___0 ; [L3126] int tmp___1 ; [L3129] ldv_state_variable_1 = 1 [L3130] ref_cnt = 0 [L3131] ldv_state_variable_0 = 1 [L3132] ldv_state_variable_2 = 0 VAL [__this_module={4294967310:4294967308}, iio_interrupt_trigger_driver={4294967305:0}, iio_interrupt_trigger_driver_group1={0:0}, iio_interrupt_trigger_ops={4294967301:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, probed_2=0, ref_cnt=0] [L3134] tmp = __VERIFIER_nondet_int() [L3136] case 0: [L3142] case 1: VAL [__this_module={4294967310:4294967308}, iio_interrupt_trigger_driver={4294967305:0}, iio_interrupt_trigger_driver_group1={0:0}, iio_interrupt_trigger_ops={4294967301:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, probed_2=0, ref_cnt=0] [L3143] COND TRUE ldv_state_variable_0 != 0 [L3144] tmp___0 = __VERIFIER_nondet_int() [L3146] case 0: [L3154] case 1: VAL [__this_module={4294967310:4294967308}, iio_interrupt_trigger_driver={4294967305:0}, iio_interrupt_trigger_driver_group1={0:0}, iio_interrupt_trigger_ops={4294967301:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, probed_2=0, ref_cnt=0] [L3155] COND TRUE ldv_state_variable_0 == 1 [L2958] int tmp ; [L3281] ldv_func_ret_type___0 ldv_func_res ; [L3282] int tmp ; [L3411] return __VERIFIER_nondet_int(); [L3284] tmp = __platform_driver_register(ldv_func_arg1, ldv_func_arg2) [L3285] ldv_func_res = tmp [L3286] ldv_state_variable_2 = 1 [L3089] void *tmp ; [L2713] void *p ; [L2714] void *tmp ; [L2716] tmp = calloc(1UL, size) [L2717] p = tmp [L2719] return (p); [L3091] tmp = ldv_init_zalloc(1472UL) [L3092] iio_interrupt_trigger_driver_group1 = (struct platform_device *)tmp [L3288] return (ldv_func_res); [L2960] tmp = ldv___platform_driver_register_10(& iio_interrupt_trigger_driver, & __this_module) [L2961] return (tmp); [L3156] ldv_retval_0 = iio_interrupt_trigger_driver_init() [L3157] COND TRUE ldv_retval_0 == 0 [L3158] ldv_state_variable_0 = 3 VAL [__this_module={4294967310:4294967308}, iio_interrupt_trigger_driver={4294967305:0}, iio_interrupt_trigger_driver_group1={-4294967297:0}, iio_interrupt_trigger_ops={4294967301:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, probed_2=0, ref_cnt=0] [L3161] COND FALSE !(ldv_retval_0 != 0) VAL [__this_module={4294967310:4294967308}, iio_interrupt_trigger_driver={4294967305:0}, iio_interrupt_trigger_driver_group1={-4294967297:0}, iio_interrupt_trigger_ops={4294967301:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, probed_2=0, ref_cnt=0] [L3134] tmp = __VERIFIER_nondet_int() [L3136] case 0: [L3142] case 1: [L3176] case 2: VAL [__this_module={4294967310:4294967308}, iio_interrupt_trigger_driver={4294967305:0}, iio_interrupt_trigger_driver_group1={-4294967297:0}, iio_interrupt_trigger_ops={4294967301:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, probed_2=0, ref_cnt=0] [L3177] COND TRUE ldv_state_variable_2 != 0 [L3178] tmp___1 = __VERIFIER_nondet_int() [L3180] case 0: VAL [__this_module={4294967310:4294967308}, iio_interrupt_trigger_driver={4294967305:0}, iio_interrupt_trigger_driver_group1={-4294967297:0}, iio_interrupt_trigger_ops={4294967301:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, probed_2=0, ref_cnt=0] [L3181] COND TRUE ldv_state_variable_2 == 1 [L2871] struct iio_interrupt_trigger_info *trig_info ; [L2872] struct iio_trigger *trig ; [L2873] unsigned long irqflags ; [L2874] struct resource *irq_res ; [L2875] int irq ; [L2876] int ret ; [L2877] void *tmp ; [L2879] ret = 0 [L2679] void *p ; [L2680] void *tmp ; [L2681] int tmp___0 ; [L2683] tmp___0 = __VERIFIER_nondet_int() [L2684] COND FALSE !(tmp___0 != 0) [L2687] tmp = malloc(size) [L2688] p = tmp [L2690] return (p); [L3439] return ldv_malloc(sizeof(struct resource)); [L2880] irq_res = platform_get_resource(pdev, 1024U, 0U) [L2881] COND FALSE !((unsigned long )irq_res == (unsigned long )((struct resource *)0)) [L2885] EXPR irq_res->flags [L2885] irqflags = (irq_res->flags & 15UL) | 128UL [L2886] EXPR irq_res->start [L2886] irq = (int )irq_res->start [L2887] trig = iio_trigger_alloc("irqtrig%d", irq) VAL [__this_module={4294967310:4294967308}, iio_interrupt_trigger_driver={4294967305:0}, iio_interrupt_trigger_driver_group1={-4294967297:0}, iio_interrupt_trigger_ops={4294967301:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, probed_2=0, ref_cnt=0] [L2888] COND FALSE !((unsigned long )trig == (unsigned long )((struct iio_trigger *)0)) [L2665] void *tmp ; [L2656] void *tmp___2 ; [L2679] void *p ; [L2680] void *tmp ; [L2681] int tmp___0 ; [L2683] tmp___0 = __VERIFIER_nondet_int() [L2684] COND TRUE tmp___0 != 0 [L2685] return ((void *)0); [L2651] return ldv_malloc(size); [L2658] tmp___2 = __kmalloc(size, flags) [L2659] return (tmp___2); [L2667] tmp = kmalloc(size, flags | 32768U) [L2668] return (tmp); [L2893] tmp = kzalloc(4UL, 208U) [L2894] trig_info = (struct iio_interrupt_trigger_info *)tmp VAL [__this_module={4294967310:4294967308}, iio_interrupt_trigger_driver={4294967305:0}, iio_interrupt_trigger_driver_group1={-4294967297:0}, iio_interrupt_trigger_ops={4294967301:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, probed_2=0, ref_cnt=0] [L2895] COND TRUE (unsigned long )trig_info == (unsigned long )((struct iio_interrupt_trigger_info *)0) [L2896] ret = -12 VAL [__this_module={4294967310:4294967308}, iio_interrupt_trigger_driver={4294967305:0}, iio_interrupt_trigger_driver_group1={-4294967297:0}, iio_interrupt_trigger_ops={4294967301:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, probed_2=0, ref_cnt=0] [L2837] EXPR trig->ops [L2837] (trig->ops)->owner [L3374] COND TRUE (unsigned long )module != (unsigned long )((struct module *)0) VAL [__this_module={4294967310:4294967308}, iio_interrupt_trigger_driver={4294967305:0}, iio_interrupt_trigger_driver_group1={-4294967297:0}, iio_interrupt_trigger_ops={4294967301:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, probed_2=0, ref_cnt=0] [L3375] COND TRUE ldv_module_refcounter <= 1 VAL [__this_module={4294967310:4294967308}, iio_interrupt_trigger_driver={4294967305:0}, iio_interrupt_trigger_driver_group1={-4294967297:0}, iio_interrupt_trigger_ops={4294967301:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, probed_2=0, ref_cnt=0] [L3304] __VERIFIER_error() VAL [__this_module={4294967310:4294967308}, iio_interrupt_trigger_driver={4294967305:0}, iio_interrupt_trigger_driver_group1={-4294967297:0}, iio_interrupt_trigger_ops={4294967301:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, probed_2=0, ref_cnt=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 91 locations, 4 error locations. Result: UNSAFE, OverallTime: 2.3s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 575 SDtfs, 370 SDslu, 438 SDs, 0 SdLazy, 37 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 52 GetRequests, 44 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=253occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 23 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 124 NumberOfCodeBlocks, 124 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 113 ConstructedInterpolants, 0 QuantifiedInterpolants, 5219 SizeOfPredicates, 1 NumberOfNonLiveVariables, 499 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 7 InterpolantComputations, 6 PerfectInterpolantSequences, 9/12 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...