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/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -i ../../../trunk/examples/svcomp/loop-invgen/apache-get-tag.i.p+sep-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-16 17:03:18,823 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-16 17:03:18,825 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-16 17:03:18,837 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-16 17:03:18,837 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-16 17:03:18,838 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-16 17:03:18,840 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-16 17:03:18,842 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-16 17:03:18,843 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-16 17:03:18,844 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-16 17:03:18,845 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-16 17:03:18,846 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-16 17:03:18,847 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-16 17:03:18,848 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-16 17:03:18,849 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-16 17:03:18,850 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-16 17:03:18,851 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-16 17:03:18,852 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-16 17:03:18,853 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-16 17:03:18,855 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-16 17:03:18,857 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-16 17:03:18,858 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-16 17:03:18,859 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-16 17:03:18,859 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-16 17:03:18,862 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-16 17:03:18,865 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-16 17:03:18,866 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-16 17:03:18,866 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-16 17:03:18,867 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-16 17:03:18,868 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-16 17:03:18,868 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-16 17:03:18,869 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-16 17:03:18,869 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-16 17:03:18,870 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-16 17:03:18,871 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-16 17:03:18,871 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-16 17:03:18,872 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-09-16 17:03:18,887 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-16 17:03:18,887 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-16 17:03:18,887 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-16 17:03:18,888 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-16 17:03:18,888 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-16 17:03:18,889 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-16 17:03:18,889 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-16 17:03:18,889 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-16 17:03:18,889 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-16 17:03:18,889 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-16 17:03:18,892 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-16 17:03:18,893 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-16 17:03:18,893 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-16 17:03:18,893 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-16 17:03:18,893 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-16 17:03:18,893 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-16 17:03:18,894 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-16 17:03:18,894 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-16 17:03:18,894 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-16 17:03:18,894 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-16 17:03:18,894 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-16 17:03:18,895 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-16 17:03:18,895 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-16 17:03:18,895 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-16 17:03:18,896 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-16 17:03:18,896 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-16 17:03:18,896 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-16 17:03:18,897 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-16 17:03:18,897 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-16 17:03:18,897 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-16 17:03:18,936 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-16 17:03:18,949 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-16 17:03:18,953 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-16 17:03:18,955 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-16 17:03:18,955 INFO L275 PluginConnector]: CDTParser initialized [2019-09-16 17:03:18,956 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/apache-get-tag.i.p+sep-reducer.c [2019-09-16 17:03:19,021 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7c6faccc1/d39d8308df774753bb3eaf4ee04c9807/FLAG2eca36789 [2019-09-16 17:03:19,647 INFO L306 CDTParser]: Found 1 translation units. [2019-09-16 17:03:19,648 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/apache-get-tag.i.p+sep-reducer.c [2019-09-16 17:03:19,670 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7c6faccc1/d39d8308df774753bb3eaf4ee04c9807/FLAG2eca36789 [2019-09-16 17:03:19,838 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7c6faccc1/d39d8308df774753bb3eaf4ee04c9807 [2019-09-16 17:03:19,848 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-16 17:03:19,850 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-16 17:03:19,851 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-16 17:03:19,851 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-16 17:03:19,854 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-16 17:03:19,855 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 05:03:19" (1/1) ... [2019-09-16 17:03:19,858 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f12acb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:03:19, skipping insertion in model container [2019-09-16 17:03:19,858 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 05:03:19" (1/1) ... [2019-09-16 17:03:19,865 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-16 17:03:19,967 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-16 17:03:20,930 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 17:03:20,938 INFO L188 MainTranslator]: Completed pre-run [2019-09-16 17:03:21,196 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 17:03:21,216 INFO L192 MainTranslator]: Completed translation [2019-09-16 17:03:21,217 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:03:21 WrapperNode [2019-09-16 17:03:21,217 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-16 17:03:21,218 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-16 17:03:21,218 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-16 17:03:21,218 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-16 17:03:21,237 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:03:21" (1/1) ... [2019-09-16 17:03:21,237 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:03:21" (1/1) ... [2019-09-16 17:03:21,306 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:03:21" (1/1) ... [2019-09-16 17:03:21,307 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:03:21" (1/1) ... [2019-09-16 17:03:21,375 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:03:21" (1/1) ... [2019-09-16 17:03:21,398 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:03:21" (1/1) ... [2019-09-16 17:03:21,405 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:03:21" (1/1) ... [2019-09-16 17:03:21,425 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-16 17:03:21,426 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-16 17:03:21,426 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-16 17:03:21,426 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-16 17:03:21,427 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:03:21" (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 [2019-09-16 17:03:21,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-16 17:03:21,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-16 17:03:21,509 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-16 17:03:21,509 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-16 17:03:21,510 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-16 17:03:21,510 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-16 17:03:21,510 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-16 17:03:21,510 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-16 17:03:21,511 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-16 17:03:21,511 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-16 17:03:23,763 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-16 17:03:23,764 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-16 17:03:23,765 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 05:03:23 BoogieIcfgContainer [2019-09-16 17:03:23,766 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-16 17:03:23,767 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-16 17:03:23,767 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-16 17:03:23,770 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-16 17:03:23,770 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.09 05:03:19" (1/3) ... [2019-09-16 17:03:23,771 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20f000dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 05:03:23, skipping insertion in model container [2019-09-16 17:03:23,771 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:03:21" (2/3) ... [2019-09-16 17:03:23,772 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20f000dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 05:03:23, skipping insertion in model container [2019-09-16 17:03:23,772 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 05:03:23" (3/3) ... [2019-09-16 17:03:23,774 INFO L109 eAbstractionObserver]: Analyzing ICFG apache-get-tag.i.p+sep-reducer.c [2019-09-16 17:03:23,784 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-16 17:03:23,793 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 16 error locations. [2019-09-16 17:03:23,810 INFO L252 AbstractCegarLoop]: Starting to check reachability of 16 error locations. [2019-09-16 17:03:23,836 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-16 17:03:23,837 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-16 17:03:23,837 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-16 17:03:23,837 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-16 17:03:23,837 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-16 17:03:23,837 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-16 17:03:23,838 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-16 17:03:23,838 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-16 17:03:23,864 INFO L276 IsEmpty]: Start isEmpty. Operand 480 states. [2019-09-16 17:03:23,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-09-16 17:03:23,874 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:03:23,875 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-16 17:03:23,877 INFO L418 AbstractCegarLoop]: === Iteration 1 === [mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:03:23,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:03:23,883 INFO L82 PathProgramCache]: Analyzing trace with hash -1514750688, now seen corresponding path program 1 times [2019-09-16 17:03:23,885 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:03:23,940 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:03:23,941 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:03:23,941 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:03:23,941 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:03:23,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:03:24,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-16 17:03:24,088 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 17:03:24,088 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-09-16 17:03:24,089 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-16 17:03:24,094 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-09-16 17:03:24,109 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-09-16 17:03:24,110 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-16 17:03:24,113 INFO L87 Difference]: Start difference. First operand 480 states. Second operand 4 states. [2019-09-16 17:03:25,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 17:03:25,494 INFO L93 Difference]: Finished difference Result 484 states and 894 transitions. [2019-09-16 17:03:25,496 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-09-16 17:03:25,498 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2019-09-16 17:03:25,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 17:03:25,513 INFO L225 Difference]: With dead ends: 484 [2019-09-16 17:03:25,514 INFO L226 Difference]: Without dead ends: 301 [2019-09-16 17:03:25,516 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-09-16 17:03:25,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301 states. [2019-09-16 17:03:25,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301 to 301. [2019-09-16 17:03:25,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 301 states. [2019-09-16 17:03:25,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 364 transitions. [2019-09-16 17:03:25,574 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 364 transitions. Word has length 11 [2019-09-16 17:03:25,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 17:03:25,574 INFO L475 AbstractCegarLoop]: Abstraction has 301 states and 364 transitions. [2019-09-16 17:03:25,574 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-09-16 17:03:25,574 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 364 transitions. [2019-09-16 17:03:25,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-09-16 17:03:25,575 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:03:25,575 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-16 17:03:25,576 INFO L418 AbstractCegarLoop]: === Iteration 2 === [mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:03:25,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:03:25,577 INFO L82 PathProgramCache]: Analyzing trace with hash 287371989, now seen corresponding path program 1 times [2019-09-16 17:03:25,577 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:03:25,580 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:03:25,580 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:03:25,581 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:03:25,581 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:03:25,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:03:25,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-16 17:03:25,650 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 17:03:25,650 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-09-16 17:03:25,651 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-16 17:03:25,652 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-09-16 17:03:25,652 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-09-16 17:03:25,653 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-16 17:03:25,653 INFO L87 Difference]: Start difference. First operand 301 states and 364 transitions. Second operand 4 states. [2019-09-16 17:03:26,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 17:03:26,098 INFO L93 Difference]: Finished difference Result 299 states and 362 transitions. [2019-09-16 17:03:26,098 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-09-16 17:03:26,099 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2019-09-16 17:03:26,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 17:03:26,102 INFO L225 Difference]: With dead ends: 299 [2019-09-16 17:03:26,103 INFO L226 Difference]: Without dead ends: 296 [2019-09-16 17:03:26,104 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-09-16 17:03:26,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2019-09-16 17:03:26,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 296. [2019-09-16 17:03:26,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 296 states. [2019-09-16 17:03:26,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 299 transitions. [2019-09-16 17:03:26,120 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 299 transitions. Word has length 12 [2019-09-16 17:03:26,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 17:03:26,121 INFO L475 AbstractCegarLoop]: Abstraction has 296 states and 299 transitions. [2019-09-16 17:03:26,121 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-09-16 17:03:26,121 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 299 transitions. [2019-09-16 17:03:26,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2019-09-16 17:03:26,130 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:03:26,130 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-16 17:03:26,131 INFO L418 AbstractCegarLoop]: === Iteration 3 === [mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:03:26,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:03:26,132 INFO L82 PathProgramCache]: Analyzing trace with hash 1097283636, now seen corresponding path program 1 times [2019-09-16 17:03:26,132 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:03:26,135 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:03:26,135 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:03:26,135 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:03:26,136 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:03:26,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:03:28,773 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-16 17:03:28,774 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 17:03:28,775 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [63] imperfect sequences [] total 63 [2019-09-16 17:03:28,775 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-16 17:03:28,779 INFO L454 AbstractCegarLoop]: Interpolant automaton has 63 states [2019-09-16 17:03:28,780 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2019-09-16 17:03:28,783 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1892, Invalid=2014, Unknown=0, NotChecked=0, Total=3906 [2019-09-16 17:03:28,783 INFO L87 Difference]: Start difference. First operand 296 states and 299 transitions. Second operand 63 states. [2019-09-16 17:03:29,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 17:03:29,969 INFO L93 Difference]: Finished difference Result 295 states and 298 transitions. [2019-09-16 17:03:29,970 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2019-09-16 17:03:29,970 INFO L78 Accepts]: Start accepts. Automaton has 63 states. Word has length 248 [2019-09-16 17:03:29,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 17:03:29,974 INFO L225 Difference]: With dead ends: 295 [2019-09-16 17:03:29,974 INFO L226 Difference]: Without dead ends: 295 [2019-09-16 17:03:29,977 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 232 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=1955, Invalid=2077, Unknown=0, NotChecked=0, Total=4032 [2019-09-16 17:03:29,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2019-09-16 17:03:30,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 294. [2019-09-16 17:03:30,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 294 states. [2019-09-16 17:03:30,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 297 transitions. [2019-09-16 17:03:30,010 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 297 transitions. Word has length 248 [2019-09-16 17:03:30,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 17:03:30,011 INFO L475 AbstractCegarLoop]: Abstraction has 294 states and 297 transitions. [2019-09-16 17:03:30,012 INFO L476 AbstractCegarLoop]: Interpolant automaton has 63 states. [2019-09-16 17:03:30,012 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 297 transitions. [2019-09-16 17:03:30,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2019-09-16 17:03:30,016 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:03:30,017 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-16 17:03:30,017 INFO L418 AbstractCegarLoop]: === Iteration 4 === [mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:03:30,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:03:30,018 INFO L82 PathProgramCache]: Analyzing trace with hash -343940819, now seen corresponding path program 1 times [2019-09-16 17:03:30,018 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:03:30,022 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:03:30,022 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:03:30,022 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:03:30,023 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:03:30,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:03:30,725 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: NonCoreBooleanSubTermTransformer does not support AnnotatedTerm at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.NonCoreBooleanSubTermTransformer$NonCoreBooleanSubtermTransformerHelper.convert(NonCoreBooleanSubTermTransformer.java:107) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.cacheConvert(TermTransformer.java:131) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.access$0(TermTransformer.java:127) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$Convert.walk(TermTransformer.java:79) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:272) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.NonCoreBooleanSubTermTransformer.transform(NonCoreBooleanSubTermTransformer.java:51) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.tryToEliminate(PartialQuantifierElimination.java:87) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.NestedInterpolantsBuilder.computePredicates(NestedInterpolantsBuilder.java:585) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.NestedInterpolantsBuilder.(NestedInterpolantsBuilder.java:172) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsTree(InterpolatingTraceCheckCraig.java:271) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:207) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructCraig(TraceCheckConstructor.java:211) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructTraceCheck(TraceCheckConstructor.java:183) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.get(TraceCheckConstructor.java:165) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseTaipanRefinementStrategy.getTraceCheck(BaseTaipanRefinementStrategy.java:215) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.checkFeasibility(BaseRefinementStrategy.java:223) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.executeStrategy(BaseRefinementStrategy.java:197) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:70) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:461) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:429) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:371) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:332) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:170) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:122) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-09-16 17:03:30,731 INFO L168 Benchmark]: Toolchain (without parser) took 10879.76 ms. Allocated memory was 133.7 MB in the beginning and 412.6 MB in the end (delta: 278.9 MB). Free memory was 85.7 MB in the beginning and 228.9 MB in the end (delta: -143.2 MB). Peak memory consumption was 135.7 MB. Max. memory is 7.1 GB. [2019-09-16 17:03:30,732 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 133.7 MB. Free memory was 106.6 MB in the beginning and 106.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-16 17:03:30,734 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1366.66 ms. Allocated memory was 133.7 MB in the beginning and 219.7 MB in the end (delta: 86.0 MB). Free memory was 85.3 MB in the beginning and 162.7 MB in the end (delta: -77.4 MB). Peak memory consumption was 36.1 MB. Max. memory is 7.1 GB. [2019-09-16 17:03:30,736 INFO L168 Benchmark]: Boogie Preprocessor took 207.81 ms. Allocated memory is still 219.7 MB. Free memory was 162.7 MB in the beginning and 154.9 MB in the end (delta: 7.8 MB). Peak memory consumption was 7.8 MB. Max. memory is 7.1 GB. [2019-09-16 17:03:30,737 INFO L168 Benchmark]: RCFGBuilder took 2339.76 ms. Allocated memory was 219.7 MB in the beginning and 265.3 MB in the end (delta: 45.6 MB). Free memory was 154.9 MB in the beginning and 194.7 MB in the end (delta: -39.8 MB). Peak memory consumption was 122.9 MB. Max. memory is 7.1 GB. [2019-09-16 17:03:30,738 INFO L168 Benchmark]: TraceAbstraction took 6961.09 ms. Allocated memory was 265.3 MB in the beginning and 412.6 MB in the end (delta: 147.3 MB). Free memory was 194.7 MB in the beginning and 228.9 MB in the end (delta: -34.3 MB). Peak memory consumption was 113.1 MB. Max. memory is 7.1 GB. [2019-09-16 17:03:30,748 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 133.7 MB. Free memory was 106.6 MB in the beginning and 106.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1366.66 ms. Allocated memory was 133.7 MB in the beginning and 219.7 MB in the end (delta: 86.0 MB). Free memory was 85.3 MB in the beginning and 162.7 MB in the end (delta: -77.4 MB). Peak memory consumption was 36.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 207.81 ms. Allocated memory is still 219.7 MB. Free memory was 162.7 MB in the beginning and 154.9 MB in the end (delta: 7.8 MB). Peak memory consumption was 7.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2339.76 ms. Allocated memory was 219.7 MB in the beginning and 265.3 MB in the end (delta: 45.6 MB). Free memory was 154.9 MB in the beginning and 194.7 MB in the end (delta: -39.8 MB). Peak memory consumption was 122.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 6961.09 ms. Allocated memory was 265.3 MB in the beginning and 412.6 MB in the end (delta: 147.3 MB). Free memory was 194.7 MB in the beginning and 228.9 MB in the end (delta: -34.3 MB). Peak memory consumption was 113.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: NonCoreBooleanSubTermTransformer does not support AnnotatedTerm de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: NonCoreBooleanSubTermTransformer does not support AnnotatedTerm: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.NonCoreBooleanSubTermTransformer$NonCoreBooleanSubtermTransformerHelper.convert(NonCoreBooleanSubTermTransformer.java:107) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...