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 -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-16 17:03:21,547 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-16 17:03:21,550 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-16 17:03:21,565 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-09-16 17:03:21,614 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-16 17:03:21,614 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-16 17:03:21,615 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-16 17:03:21,616 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-16 17:03:21,617 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-16 17:03:21,617 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-16 17:03:21,618 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-16 17:03:21,618 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-16 17:03:21,618 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-16 17:03:21,619 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-16 17:03:21,620 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-16 17:03:21,620 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 17:03:21,634 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-16 17:03:21,635 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-16 17:03:21,635 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-16 17:03:21,635 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-16 17:03:21,636 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-16 17:03:21,636 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-16 17:03:21,636 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-16 17:03:21,637 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-16 17:03:21,637 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-16 17:03:21,637 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-16 17:03:21,638 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-16 17:03:21,638 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-16 17:03:21,638 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-16 17:03:21,638 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-16 17:03:21,638 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-16 17:03:21,639 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-16 17:03:21,639 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-16 17:03:21,639 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-16 17:03:21,639 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-16 17:03:21,639 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-16 17:03:21,640 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-16 17:03:21,640 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-16 17:03:21,640 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-16 17:03:21,640 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-16 17:03:21,640 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-16 17:03:21,641 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-16 17:03:21,641 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-16 17:03:21,641 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-16 17:03:21,641 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-16 17:03:21,641 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-16 17:03:21,674 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-16 17:03:21,691 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-16 17:03:21,696 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-16 17:03:21,701 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-16 17:03:21,701 INFO L275 PluginConnector]: CDTParser initialized [2019-09-16 17:03:21,703 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/apache-get-tag.i [2019-09-16 17:03:21,781 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ecf825509/4de4594702ee4426809bbc7732eaa7e0/FLAGcbde0fb92 [2019-09-16 17:03:22,268 INFO L306 CDTParser]: Found 1 translation units. [2019-09-16 17:03:22,268 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/apache-get-tag.i [2019-09-16 17:03:22,276 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ecf825509/4de4594702ee4426809bbc7732eaa7e0/FLAGcbde0fb92 [2019-09-16 17:03:22,676 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ecf825509/4de4594702ee4426809bbc7732eaa7e0 [2019-09-16 17:03:22,684 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-16 17:03:22,686 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-16 17:03:22,687 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-16 17:03:22,687 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-16 17:03:22,690 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-16 17:03:22,691 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 05:03:22" (1/1) ... [2019-09-16 17:03:22,694 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4503dd1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:03:22, skipping insertion in model container [2019-09-16 17:03:22,694 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 05:03:22" (1/1) ... [2019-09-16 17:03:22,702 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-16 17:03:22,721 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-16 17:03:22,910 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 17:03:22,914 INFO L188 MainTranslator]: Completed pre-run [2019-09-16 17:03:22,934 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 17:03:22,953 INFO L192 MainTranslator]: Completed translation [2019-09-16 17:03:22,953 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:03:22 WrapperNode [2019-09-16 17:03:22,954 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-16 17:03:22,954 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-16 17:03:22,955 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-16 17:03:22,955 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-16 17:03:23,058 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:03:22" (1/1) ... [2019-09-16 17:03:23,060 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:03:22" (1/1) ... [2019-09-16 17:03:23,066 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:03:22" (1/1) ... [2019-09-16 17:03:23,067 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:03:22" (1/1) ... [2019-09-16 17:03:23,071 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:03:22" (1/1) ... [2019-09-16 17:03:23,078 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:03:22" (1/1) ... [2019-09-16 17:03:23,081 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:03:22" (1/1) ... [2019-09-16 17:03:23,086 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-16 17:03:23,089 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-16 17:03:23,090 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-16 17:03:23,090 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-16 17:03:23,091 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:03:22" (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 17:03:23,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-16 17:03:23,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-16 17:03:23,151 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-16 17:03:23,151 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-16 17:03:23,152 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-16 17:03:23,152 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-16 17:03:23,152 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-16 17:03:23,152 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-16 17:03:23,152 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-16 17:03:23,152 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-16 17:03:23,152 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-16 17:03:23,440 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-16 17:03:23,441 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-09-16 17:03:23,442 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 05:03:23 BoogieIcfgContainer [2019-09-16 17:03:23,443 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-16 17:03:23,452 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-16 17:03:23,452 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-16 17:03:23,456 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-16 17:03:23,456 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.09 05:03:22" (1/3) ... [2019-09-16 17:03:23,457 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7313ea73 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 17:03:23,458 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:03:22" (2/3) ... [2019-09-16 17:03:23,458 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7313ea73 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 17:03:23,459 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 17:03:23,461 INFO L109 eAbstractionObserver]: Analyzing ICFG apache-get-tag.i [2019-09-16 17:03:23,472 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-16 17:03:23,487 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-16 17:03:23,505 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-16 17:03:23,533 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-16 17:03:23,533 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-16 17:03:23,533 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-16 17:03:23,534 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-16 17:03:23,534 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-16 17:03:23,534 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-16 17:03:23,534 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-16 17:03:23,534 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-16 17:03:23,551 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states. [2019-09-16 17:03:23,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-09-16 17:03:23,562 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:03:23,563 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-16 17:03:23,566 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:03:23,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:03:23,574 INFO L82 PathProgramCache]: Analyzing trace with hash 2074932940, now seen corresponding path program 1 times [2019-09-16 17:03:23,577 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:03:23,623 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:03:23,623 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:03:23,623 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:03:23,624 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:03:23,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:03:23,686 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 17:03:23,688 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 17:03:23,688 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-16 17:03:23,688 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-16 17:03:23,693 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-16 17:03:23,705 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-16 17:03:23,705 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-16 17:03:23,708 INFO L87 Difference]: Start difference. First operand 47 states. Second operand 2 states. [2019-09-16 17:03:23,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 17:03:23,727 INFO L93 Difference]: Finished difference Result 47 states and 69 transitions. [2019-09-16 17:03:23,727 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-16 17:03:23,729 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 12 [2019-09-16 17:03:23,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 17:03:23,746 INFO L225 Difference]: With dead ends: 47 [2019-09-16 17:03:23,746 INFO L226 Difference]: Without dead ends: 42 [2019-09-16 17:03:23,748 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-16 17:03:23,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2019-09-16 17:03:23,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2019-09-16 17:03:23,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2019-09-16 17:03:23,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 60 transitions. [2019-09-16 17:03:23,793 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 60 transitions. Word has length 12 [2019-09-16 17:03:23,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 17:03:23,793 INFO L475 AbstractCegarLoop]: Abstraction has 42 states and 60 transitions. [2019-09-16 17:03:23,793 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-16 17:03:23,794 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 60 transitions. [2019-09-16 17:03:23,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-09-16 17:03:23,794 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:03:23,795 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-16 17:03:23,795 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:03:23,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:03:23,796 INFO L82 PathProgramCache]: Analyzing trace with hash -132543993, now seen corresponding path program 1 times [2019-09-16 17:03:23,796 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:03:23,798 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:03:23,798 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:03:23,798 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:03:23,798 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:03:23,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:03:23,880 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 17:03:23,881 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 17:03:23,881 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-16 17:03:23,881 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-16 17:03:23,884 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-16 17:03:23,884 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-16 17:03:23,885 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-16 17:03:23,885 INFO L87 Difference]: Start difference. First operand 42 states and 60 transitions. Second operand 5 states. [2019-09-16 17:03:24,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 17:03:24,100 INFO L93 Difference]: Finished difference Result 46 states and 63 transitions. [2019-09-16 17:03:24,100 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-16 17:03:24,101 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2019-09-16 17:03:24,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 17:03:24,102 INFO L225 Difference]: With dead ends: 46 [2019-09-16 17:03:24,103 INFO L226 Difference]: Without dead ends: 46 [2019-09-16 17:03:24,104 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-09-16 17:03:24,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2019-09-16 17:03:24,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2019-09-16 17:03:24,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2019-09-16 17:03:24,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 63 transitions. [2019-09-16 17:03:24,123 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 63 transitions. Word has length 13 [2019-09-16 17:03:24,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 17:03:24,123 INFO L475 AbstractCegarLoop]: Abstraction has 46 states and 63 transitions. [2019-09-16 17:03:24,126 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-16 17:03:24,127 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 63 transitions. [2019-09-16 17:03:24,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-09-16 17:03:24,128 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:03:24,128 INFO L407 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-16 17:03:24,128 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:03:24,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:03:24,129 INFO L82 PathProgramCache]: Analyzing trace with hash -811261734, now seen corresponding path program 1 times [2019-09-16 17:03:24,131 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:03:24,133 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:03:24,134 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:03:24,134 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:03:24,134 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:03:24,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:03:24,222 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-16 17:03:24,222 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 17:03:24,222 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-16 17:03:24,223 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-16 17:03:24,223 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-16 17:03:24,223 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-16 17:03:24,224 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-16 17:03:24,224 INFO L87 Difference]: Start difference. First operand 46 states and 63 transitions. Second operand 5 states. [2019-09-16 17:03:24,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 17:03:24,327 INFO L93 Difference]: Finished difference Result 50 states and 66 transitions. [2019-09-16 17:03:24,328 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-16 17:03:24,328 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2019-09-16 17:03:24,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 17:03:24,329 INFO L225 Difference]: With dead ends: 50 [2019-09-16 17:03:24,329 INFO L226 Difference]: Without dead ends: 40 [2019-09-16 17:03:24,330 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-09-16 17:03:24,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2019-09-16 17:03:24,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2019-09-16 17:03:24,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2019-09-16 17:03:24,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 51 transitions. [2019-09-16 17:03:24,343 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 51 transitions. Word has length 18 [2019-09-16 17:03:24,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 17:03:24,344 INFO L475 AbstractCegarLoop]: Abstraction has 40 states and 51 transitions. [2019-09-16 17:03:24,344 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-16 17:03:24,344 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 51 transitions. [2019-09-16 17:03:24,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-09-16 17:03:24,346 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:03:24,346 INFO L407 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-16 17:03:24,346 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:03:24,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:03:24,347 INFO L82 PathProgramCache]: Analyzing trace with hash 1679618026, now seen corresponding path program 1 times [2019-09-16 17:03:24,347 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:03:24,351 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:03:24,352 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:03:24,352 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:03:24,352 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:03:24,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:03:24,440 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-16 17:03:24,441 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 17:03:24,441 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-16 17:03:24,441 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-16 17:03:24,442 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-16 17:03:24,442 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-16 17:03:24,442 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-16 17:03:24,443 INFO L87 Difference]: Start difference. First operand 40 states and 51 transitions. Second operand 6 states. [2019-09-16 17:03:24,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 17:03:24,553 INFO L93 Difference]: Finished difference Result 53 states and 68 transitions. [2019-09-16 17:03:24,554 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-16 17:03:24,554 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 19 [2019-09-16 17:03:24,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 17:03:24,555 INFO L225 Difference]: With dead ends: 53 [2019-09-16 17:03:24,556 INFO L226 Difference]: Without dead ends: 53 [2019-09-16 17:03:24,556 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-09-16 17:03:24,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2019-09-16 17:03:24,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 51. [2019-09-16 17:03:24,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2019-09-16 17:03:24,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 66 transitions. [2019-09-16 17:03:24,568 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 66 transitions. Word has length 19 [2019-09-16 17:03:24,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 17:03:24,568 INFO L475 AbstractCegarLoop]: Abstraction has 51 states and 66 transitions. [2019-09-16 17:03:24,568 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-16 17:03:24,568 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 66 transitions. [2019-09-16 17:03:24,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-09-16 17:03:24,570 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:03:24,570 INFO L407 BasicCegarLoop]: trace histogram [4, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-16 17:03:24,570 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:03:24,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:03:24,571 INFO L82 PathProgramCache]: Analyzing trace with hash 2122625936, now seen corresponding path program 1 times [2019-09-16 17:03:24,571 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:03:24,572 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:03:24,572 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:03:24,572 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:03:24,573 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:03:24,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:03:24,655 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-09-16 17:03:24,663 INFO L168 Benchmark]: Toolchain (without parser) took 1976.27 ms. Allocated memory was 130.5 MB in the beginning and 198.2 MB in the end (delta: 67.6 MB). Free memory was 85.8 MB in the beginning and 84.3 MB in the end (delta: 1.5 MB). Peak memory consumption was 69.2 MB. Max. memory is 7.1 GB. [2019-09-16 17:03:24,666 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 130.5 MB. Free memory was 104.7 MB in the beginning and 104.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-16 17:03:24,667 INFO L168 Benchmark]: CACSL2BoogieTranslator took 267.18 ms. Allocated memory is still 130.5 MB. Free memory was 85.6 MB in the beginning and 75.6 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. [2019-09-16 17:03:24,671 INFO L168 Benchmark]: Boogie Preprocessor took 131.59 ms. Allocated memory was 130.5 MB in the beginning and 198.2 MB in the end (delta: 67.6 MB). Free memory was 75.6 MB in the beginning and 174.5 MB in the end (delta: -98.8 MB). Peak memory consumption was 16.0 MB. Max. memory is 7.1 GB. [2019-09-16 17:03:24,672 INFO L168 Benchmark]: RCFGBuilder took 353.59 ms. Allocated memory is still 198.2 MB. Free memory was 174.5 MB in the beginning and 158.4 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 7.1 GB. [2019-09-16 17:03:24,673 INFO L168 Benchmark]: TraceAbstraction took 1206.98 ms. Allocated memory is still 198.2 MB. Free memory was 157.7 MB in the beginning and 84.3 MB in the end (delta: 73.5 MB). Peak memory consumption was 73.5 MB. Max. memory is 7.1 GB. [2019-09-16 17:03:24,683 INFO L335 ainManager$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 130.5 MB. Free memory was 104.7 MB in the beginning and 104.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 267.18 ms. Allocated memory is still 130.5 MB. Free memory was 85.6 MB in the beginning and 75.6 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 131.59 ms. Allocated memory was 130.5 MB in the beginning and 198.2 MB in the end (delta: 67.6 MB). Free memory was 75.6 MB in the beginning and 174.5 MB in the end (delta: -98.8 MB). Peak memory consumption was 16.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 353.59 ms. Allocated memory is still 198.2 MB. Free memory was 174.5 MB in the beginning and 158.4 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1206.98 ms. Allocated memory is still 198.2 MB. Free memory was 157.7 MB in the beginning and 84.3 MB in the end (delta: 73.5 MB). Peak memory consumption was 73.5 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...