java -Xmx6000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data ./data --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/ai/eq-bench/svcomp-Reach-32bit-Automizer_Camel+AI_EQ_SS.epf -i ../../../trunk/examples/svcomp/reducercommutativity/sum_true-unreach-call_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-5f7ec6e-m [2018-01-31 09:37:07,819 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-31 09:37:07,820 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-31 09:37:07,831 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-31 09:37:07,831 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-31 09:37:07,831 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-31 09:37:07,832 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-31 09:37:07,833 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-31 09:37:07,834 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-31 09:37:07,834 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-31 09:37:07,835 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-31 09:37:07,835 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-31 09:37:07,835 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-31 09:37:07,836 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-31 09:37:07,837 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-31 09:37:07,838 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-31 09:37:07,839 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-31 09:37:07,840 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-31 09:37:07,840 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-31 09:37:07,841 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-31 09:37:07,842 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-01-31 09:37:07,843 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-01-31 09:37:07,843 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-01-31 09:37:07,843 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-01-31 09:37:07,844 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-01-31 09:37:07,844 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-01-31 09:37:07,845 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-01-31 09:37:07,845 INFO L177 SettingsManager]: PEA to Boogie provides no preferences, ignoring... [2018-01-31 09:37:07,845 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-01-31 09:37:07,845 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-01-31 09:37:07,846 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-01-31 09:37:07,846 INFO L98 SettingsManager]: Beginning loading settings from /home/daniel/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/eq-bench/svcomp-Reach-32bit-Automizer_Camel+AI_EQ_SS.epf [2018-01-31 09:37:07,851 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-31 09:37:07,851 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-31 09:37:07,851 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-31 09:37:07,852 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-31 09:37:07,852 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-31 09:37:07,852 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-31 09:37:07,852 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-31 09:37:07,852 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-31 09:37:07,852 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-31 09:37:07,853 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-31 09:37:07,853 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-31 09:37:07,853 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-31 09:37:07,853 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-01-31 09:37:07,853 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-31 09:37:07,853 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-01-31 09:37:07,853 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-31 09:37:07,853 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-01-31 09:37:07,853 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-01-31 09:37:07,853 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-31 09:37:07,854 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-01-31 09:37:07,854 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-31 09:37:07,854 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-31 09:37:07,854 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-31 09:37:07,854 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-31 09:37:07,854 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-31 09:37:07,854 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-31 09:37:07,854 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-31 09:37:07,854 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-31 09:37:07,855 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-01-31 09:37:07,855 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-31 09:37:07,855 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-31 09:37:07,855 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-31 09:37:07,855 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-31 09:37:07,855 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-31 09:37:07,873 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-31 09:37:07,880 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-31 09:37:07,882 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-31 09:37:07,882 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-31 09:37:07,883 INFO L276 PluginConnector]: CDTParser initialized [2018-01-31 09:37:07,883 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/daniel/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/reducercommutativity/sum_true-unreach-call_true-termination.i [2018-01-31 09:37:07,946 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-31 09:37:07,947 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-01-31 09:37:07,947 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-31 09:37:07,947 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-31 09:37:07,951 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-31 09:37:07,951 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 09:37:07" (1/1) ... [2018-01-31 09:37:07,953 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3bb441a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:37:07, skipping insertion in model container [2018-01-31 09:37:07,953 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 09:37:07" (1/1) ... [2018-01-31 09:37:07,962 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-31 09:37:07,972 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-31 09:37:08,043 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-31 09:37:08,056 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-31 09:37:08,059 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:37:08 WrapperNode [2018-01-31 09:37:08,059 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-31 09:37:08,060 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-31 09:37:08,060 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-31 09:37:08,060 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-31 09:37:08,068 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:37:08" (1/1) ... [2018-01-31 09:37:08,068 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:37:08" (1/1) ... [2018-01-31 09:37:08,074 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:37:08" (1/1) ... [2018-01-31 09:37:08,074 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:37:08" (1/1) ... [2018-01-31 09:37:08,076 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:37:08" (1/1) ... [2018-01-31 09:37:08,077 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:37:08" (1/1) ... [2018-01-31 09:37:08,078 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:37:08" (1/1) ... [2018-01-31 09:37:08,079 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-31 09:37:08,079 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-31 09:37:08,079 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-31 09:37:08,079 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-31 09:37:08,080 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:37:08" (1/1) ... No working directory specified, using /home/daniel/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 [2018-01-31 09:37:08,126 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-31 09:37:08,126 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-31 09:37:08,126 INFO L136 BoogieDeclarations]: Found implementation of procedure sum [2018-01-31 09:37:08,126 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-31 09:37:08,126 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-01-31 09:37:08,127 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-01-31 09:37:08,127 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-31 09:37:08,127 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-31 09:37:08,127 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-01-31 09:37:08,127 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-01-31 09:37:08,127 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-01-31 09:37:08,127 INFO L128 BoogieDeclarations]: Found specification of procedure sum [2018-01-31 09:37:08,127 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-31 09:37:08,127 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-31 09:37:08,127 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-31 09:37:08,439 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-31 09:37:08,439 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 09:37:08 BoogieIcfgContainer [2018-01-31 09:37:08,439 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-31 09:37:08,440 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-01-31 09:37:08,440 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-01-31 09:37:08,442 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-01-31 09:37:08,442 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.01 09:37:07" (1/3) ... [2018-01-31 09:37:08,442 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68b22e65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 09:37:08, skipping insertion in model container [2018-01-31 09:37:08,442 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:37:08" (2/3) ... [2018-01-31 09:37:08,443 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68b22e65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 09:37:08, skipping insertion in model container [2018-01-31 09:37:08,443 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 09:37:08" (3/3) ... [2018-01-31 09:37:08,444 INFO L107 eAbstractionObserver]: Analyzing ICFG sum_true-unreach-call_true-termination.i [2018-01-31 09:37:08,449 INFO L128 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-01-31 09:37:08,456 INFO L140 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-01-31 09:37:08,481 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-31 09:37:08,481 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-31 09:37:08,481 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-31 09:37:08,481 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-31 09:37:08,481 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-31 09:37:08,481 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-31 09:37:08,481 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-31 09:37:08,481 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-01-31 09:37:08,482 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-31 09:37:08,492 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states. [2018-01-31 09:37:08,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-01-31 09:37:08,497 INFO L343 BasicCegarLoop]: Found error trace [2018-01-31 09:37:08,497 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-31 09:37:08,497 INFO L371 AbstractCegarLoop]: === Iteration 1 === [mainErr0AssertViolation]=== [2018-01-31 09:37:08,500 INFO L82 PathProgramCache]: Analyzing trace with hash 1703241415, now seen corresponding path program 1 times [2018-01-31 09:37:08,501 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-31 09:37:08,501 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-31 09:37:08,530 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-31 09:37:08,530 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-31 09:37:08,530 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-31 09:37:08,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-31 09:37:08,564 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-31 09:37:08,611 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-01-31 09:37:08,613 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-31 09:37:08,613 INFO L209 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/daniel/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-01-31 09:37:08,621 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-31 09:37:08,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-31 09:37:08,659 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-31 09:37:08,670 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-01-31 09:37:08,687 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-01-31 09:37:08,688 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2018-01-31 09:37:08,689 INFO L409 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-01-31 09:37:08,696 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-01-31 09:37:08,696 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-31 09:37:08,697 INFO L87 Difference]: Start difference. First operand 74 states. Second operand 2 states. [2018-01-31 09:37:08,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-31 09:37:08,713 INFO L93 Difference]: Finished difference Result 131 states and 146 transitions. [2018-01-31 09:37:08,713 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-01-31 09:37:08,714 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 70 [2018-01-31 09:37:08,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-31 09:37:08,719 INFO L225 Difference]: With dead ends: 131 [2018-01-31 09:37:08,719 INFO L226 Difference]: Without dead ends: 67 [2018-01-31 09:37:08,721 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-31 09:37:08,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2018-01-31 09:37:08,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2018-01-31 09:37:08,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2018-01-31 09:37:08,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 70 transitions. [2018-01-31 09:37:08,799 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 70 transitions. Word has length 70 [2018-01-31 09:37:08,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-31 09:37:08,799 INFO L432 AbstractCegarLoop]: Abstraction has 67 states and 70 transitions. [2018-01-31 09:37:08,799 INFO L433 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-01-31 09:37:08,799 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 70 transitions. [2018-01-31 09:37:08,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-01-31 09:37:08,801 INFO L343 BasicCegarLoop]: Found error trace [2018-01-31 09:37:08,801 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-31 09:37:08,801 INFO L371 AbstractCegarLoop]: === Iteration 2 === [mainErr0AssertViolation]=== [2018-01-31 09:37:08,802 INFO L82 PathProgramCache]: Analyzing trace with hash 85035478, now seen corresponding path program 1 times [2018-01-31 09:37:08,802 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-31 09:37:08,802 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-31 09:37:08,803 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-31 09:37:08,803 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-31 09:37:08,803 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-31 09:37:08,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-31 09:37:08,825 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-31 09:37:08,980 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-01-31 09:37:08,981 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-31 09:37:08,981 INFO L209 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/daniel/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) [2018-01-31 09:37:08,994 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-01-31 09:37:09,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-31 09:37:09,033 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-31 09:37:09,157 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-01-31 09:37:09,177 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-01-31 09:37:09,177 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 6 [2018-01-31 09:37:09,178 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-31 09:37:09,178 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-31 09:37:09,178 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-01-31 09:37:09,178 INFO L87 Difference]: Start difference. First operand 67 states and 70 transitions. Second operand 6 states. [2018-01-31 09:37:09,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-31 09:37:09,355 INFO L93 Difference]: Finished difference Result 124 states and 133 transitions. [2018-01-31 09:37:09,355 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-31 09:37:09,355 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 74 [2018-01-31 09:37:09,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-31 09:37:09,356 INFO L225 Difference]: With dead ends: 124 [2018-01-31 09:37:09,357 INFO L226 Difference]: Without dead ends: 74 [2018-01-31 09:37:09,358 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 73 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-01-31 09:37:09,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2018-01-31 09:37:09,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 69. [2018-01-31 09:37:09,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2018-01-31 09:37:09,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 72 transitions. [2018-01-31 09:37:09,362 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 72 transitions. Word has length 74 [2018-01-31 09:37:09,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-31 09:37:09,363 INFO L432 AbstractCegarLoop]: Abstraction has 69 states and 72 transitions. [2018-01-31 09:37:09,363 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-31 09:37:09,363 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 72 transitions. [2018-01-31 09:37:09,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-01-31 09:37:09,364 INFO L343 BasicCegarLoop]: Found error trace [2018-01-31 09:37:09,364 INFO L351 BasicCegarLoop]: trace histogram [6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-31 09:37:09,364 INFO L371 AbstractCegarLoop]: === Iteration 3 === [mainErr0AssertViolation]=== [2018-01-31 09:37:09,365 INFO L82 PathProgramCache]: Analyzing trace with hash -2037138977, now seen corresponding path program 1 times [2018-01-31 09:37:09,365 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-31 09:37:09,365 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-31 09:37:09,365 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-31 09:37:09,366 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-31 09:37:09,366 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-31 09:37:09,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-31 09:37:09,383 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-31 09:37:09,499 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-01-31 09:37:09,499 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-31 09:37:09,499 INFO L209 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/daniel/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-01-31 09:37:09,504 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-31 09:37:09,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-31 09:37:09,536 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-31 09:37:09,709 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 38 proven. 2 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-01-31 09:37:09,726 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-01-31 09:37:09,726 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 10 [2018-01-31 09:37:09,726 INFO L409 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-01-31 09:37:09,726 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-01-31 09:37:09,727 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2018-01-31 09:37:09,727 INFO L87 Difference]: Start difference. First operand 69 states and 72 transitions. Second operand 10 states. [2018-01-31 09:37:09,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-31 09:37:09,973 INFO L93 Difference]: Finished difference Result 134 states and 143 transitions. [2018-01-31 09:37:09,973 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-01-31 09:37:09,973 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 98 [2018-01-31 09:37:09,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-31 09:37:09,974 INFO L225 Difference]: With dead ends: 134 [2018-01-31 09:37:09,974 INFO L226 Difference]: Without dead ends: 82 [2018-01-31 09:37:09,974 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 94 SyntacticMatches, 2 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2018-01-31 09:37:09,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2018-01-31 09:37:09,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 77. [2018-01-31 09:37:09,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2018-01-31 09:37:09,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 80 transitions. [2018-01-31 09:37:09,979 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 80 transitions. Word has length 98 [2018-01-31 09:37:09,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-31 09:37:09,980 INFO L432 AbstractCegarLoop]: Abstraction has 77 states and 80 transitions. [2018-01-31 09:37:09,980 INFO L433 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-01-31 09:37:09,980 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 80 transitions. [2018-01-31 09:37:09,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-01-31 09:37:09,981 INFO L343 BasicCegarLoop]: Found error trace [2018-01-31 09:37:09,981 INFO L351 BasicCegarLoop]: trace histogram [9, 6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-31 09:37:09,981 INFO L371 AbstractCegarLoop]: === Iteration 4 === [mainErr0AssertViolation]=== [2018-01-31 09:37:09,981 INFO L82 PathProgramCache]: Analyzing trace with hash 866983656, now seen corresponding path program 2 times [2018-01-31 09:37:09,981 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-31 09:37:09,981 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-31 09:37:09,982 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-31 09:37:09,982 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-31 09:37:09,982 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-31 09:37:09,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-31 09:37:09,998 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-31 09:37:10,062 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2018-01-31 09:37:10,063 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-31 09:37:10,063 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-01-31 09:37:10,063 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-01-31 09:37:10,063 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-01-31 09:37:10,063 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-01-31 09:37:10,064 INFO L87 Difference]: Start difference. First operand 77 states and 80 transitions. Second operand 4 states. [2018-01-31 09:37:10,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-31 09:37:10,117 INFO L93 Difference]: Finished difference Result 118 states and 122 transitions. [2018-01-31 09:37:10,117 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-01-31 09:37:10,117 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 122 [2018-01-31 09:37:10,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-31 09:37:10,118 INFO L225 Difference]: With dead ends: 118 [2018-01-31 09:37:10,118 INFO L226 Difference]: Without dead ends: 84 [2018-01-31 09:37:10,118 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-01-31 09:37:10,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2018-01-31 09:37:10,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 79. [2018-01-31 09:37:10,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2018-01-31 09:37:10,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 82 transitions. [2018-01-31 09:37:10,122 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 82 transitions. Word has length 122 [2018-01-31 09:37:10,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-31 09:37:10,123 INFO L432 AbstractCegarLoop]: Abstraction has 79 states and 82 transitions. [2018-01-31 09:37:10,124 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-01-31 09:37:10,124 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 82 transitions. [2018-01-31 09:37:10,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-01-31 09:37:10,125 INFO L343 BasicCegarLoop]: Found error trace [2018-01-31 09:37:10,125 INFO L351 BasicCegarLoop]: trace histogram [9, 6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-31 09:37:10,125 INFO L371 AbstractCegarLoop]: === Iteration 5 === [mainErr0AssertViolation]=== [2018-01-31 09:37:10,125 INFO L82 PathProgramCache]: Analyzing trace with hash -1247862305, now seen corresponding path program 1 times [2018-01-31 09:37:10,125 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-31 09:37:10,125 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-31 09:37:10,126 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-31 09:37:10,126 INFO L99 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-01-31 09:37:10,126 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-31 09:37:10,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-31 09:37:10,209 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. Received shutdown request... [2018-01-31 09:40:01,203 FATAL L265 ToolchainWalker]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Timeout exceeded at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator$IntegerInterpolator.interpolate(Interpolator.java:1423) at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator$MixedLAInterpolator.convert(Interpolator.java:1279) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.cacheConvert(TermTransformer.java:125) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.access$0(TermTransformer.java:121) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$Convert.walk(TermTransformer.java:73) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:122) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:113) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:239) at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.mixedPivotLA(Interpolator.java:1469) at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.combine(Interpolator.java:357) at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.access$2(Interpolator.java:326) at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator$CombineInterpolants.walk(Interpolator.java:153) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:122) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:113) at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.interpolate(Interpolator.java:220) at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.getInterpolants(Interpolator.java:201) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.getInterpolants(SMTInterpol.java:915) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.managedscript.ManagedScript.getInterpolants(ManagedScript.java:192) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.NestedInterpolantsBuilder.computeCraigInterpolants(NestedInterpolantsBuilder.java:281) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.NestedInterpolantsBuilder.(NestedInterpolantsBuilder.java:164) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsTree(InterpolatingTraceCheckCraig.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:199) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructCraig(TraceCheckConstructor.java:222) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.get(TraceCheckConstructor.java:179) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.MultiTrackTraceAbstractionRefinementStrategy.getTraceCheck(MultiTrackTraceAbstractionRefinementStrategy.java:218) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.checkFeasibility(BaseRefinementStrategy.java:231) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.executeStrategy(BaseRefinementStrategy.java:205) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:68) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:397) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:381) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:316) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:292) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:147) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:115) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:119) 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:324) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.runToolchainDefault(DefaultToolchainJob.java:221) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.BasicToolchainJob.run(BasicToolchainJob.java:134) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-01-31 09:40:01,206 INFO L168 Benchmark]: Toolchain (without parser) took 173259.56 ms. Allocated memory was 151.0 MB in the beginning and 2.2 GB in the end (delta: 2.0 GB). Free memory was 116.1 MB in the beginning and 1.8 GB in the end (delta: -1.7 GB). Peak memory consumption was 2.1 GB. Max. memory is 5.3 GB. [2018-01-31 09:40:01,206 INFO L168 Benchmark]: CDTParser took 0.09 ms. Allocated memory is still 151.0 MB. Free memory is still 120.8 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-31 09:40:01,207 INFO L168 Benchmark]: CACSL2BoogieTranslator took 112.28 ms. Allocated memory is still 151.0 MB. Free memory was 115.8 MB in the beginning and 107.2 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 5.3 GB. [2018-01-31 09:40:01,207 INFO L168 Benchmark]: Boogie Preprocessor took 19.31 ms. Allocated memory is still 151.0 MB. Free memory was 107.2 MB in the beginning and 105.6 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 5.3 GB. [2018-01-31 09:40:01,207 INFO L168 Benchmark]: RCFGBuilder took 360.06 ms. Allocated memory is still 151.0 MB. Free memory was 105.6 MB in the beginning and 87.3 MB in the end (delta: 18.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 5.3 GB. [2018-01-31 09:40:01,207 INFO L168 Benchmark]: TraceAbstraction took 172765.30 ms. Allocated memory was 151.0 MB in the beginning and 2.2 GB in the end (delta: 2.0 GB). Free memory was 87.1 MB in the beginning and 1.8 GB in the end (delta: -1.7 GB). Peak memory consumption was 2.1 GB. Max. memory is 5.3 GB. [2018-01-31 09:40:01,208 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09 ms. Allocated memory is still 151.0 MB. Free memory is still 120.8 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 112.28 ms. Allocated memory is still 151.0 MB. Free memory was 115.8 MB in the beginning and 107.2 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 19.31 ms. Allocated memory is still 151.0 MB. Free memory was 107.2 MB in the beginning and 105.6 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 5.3 GB. * RCFGBuilder took 360.06 ms. Allocated memory is still 151.0 MB. Free memory was 105.6 MB in the beginning and 87.3 MB in the end (delta: 18.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 5.3 GB. * TraceAbstraction took 172765.30 ms. Allocated memory was 151.0 MB in the beginning and 2.2 GB in the end (delta: 2.0 GB). Free memory was 87.1 MB in the beginning and 1.8 GB in the end (delta: -1.7 GB). Peak memory consumption was 2.1 GB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: Timeout exceeded de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: Timeout exceeded: de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator$IntegerInterpolator.interpolate(Interpolator.java:1423) RESULT: Ultimate could not prove your program: Toolchain returned no result. Written .csv to /home/daniel/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/sum_true-unreach-call_true-termination.i_svcomp-Reach-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerC.xml/Csv-Benchmark-0-2018-01-31_09-40-01-212.csv Completed graceful shutdown