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/AutomizerCTransformed.xml -s ../../../trunk/examples/settings/ai/eq-bench/svcomp-Reach-32bit-Automizer_Camel+AI_EQ_SS.epf -i ../../../trunk/examples/svcomp/array-tiling/pnr3_true-unreach-call.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1cceb4a-m [2018-01-30 04:59:28,964 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-30 04:59:28,965 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-30 04:59:28,974 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-30 04:59:28,974 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-30 04:59:28,978 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-30 04:59:28,978 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-30 04:59:28,979 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-30 04:59:28,980 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-30 04:59:28,981 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-30 04:59:28,981 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-30 04:59:28,981 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-30 04:59:28,982 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-30 04:59:28,982 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-30 04:59:28,983 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-30 04:59:28,984 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-30 04:59:28,985 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-30 04:59:28,986 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-30 04:59:28,987 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-30 04:59:28,987 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-30 04:59:28,989 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-01-30 04:59:28,989 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-01-30 04:59:28,989 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-01-30 04:59:28,989 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-01-30 04:59:28,990 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-01-30 04:59:28,990 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-01-30 04:59:28,991 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-01-30 04:59:28,991 INFO L177 SettingsManager]: PEA to Boogie provides no preferences, ignoring... [2018-01-30 04:59:28,991 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-01-30 04:59:28,991 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-01-30 04:59:28,992 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-01-30 04:59:28,992 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 [2018-01-30 04:59:28,997 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-30 04:59:28,997 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-30 04:59:28,997 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-30 04:59:28,997 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-30 04:59:28,997 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-30 04:59:28,998 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-30 04:59:28,998 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-30 04:59:28,998 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-30 04:59:28,998 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-30 04:59:28,998 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-30 04:59:28,998 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-30 04:59:28,998 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-30 04:59:28,998 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-01-30 04:59:28,999 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-30 04:59:28,999 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-01-30 04:59:28,999 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-30 04:59:28,999 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-01-30 04:59:28,999 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-01-30 04:59:28,999 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-30 04:59:28,999 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-01-30 04:59:28,999 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-30 04:59:28,999 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-30 04:59:28,999 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-30 04:59:29,000 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-30 04:59:29,000 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-30 04:59:29,000 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-30 04:59:29,000 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-30 04:59:29,000 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-30 04:59:29,000 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-01-30 04:59:29,000 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-30 04:59:29,000 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-30 04:59:29,000 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-30 04:59:29,001 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-30 04:59:29,001 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-30 04:59:29,019 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-30 04:59:29,025 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-30 04:59:29,027 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-30 04:59:29,028 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-30 04:59:29,028 INFO L276 PluginConnector]: CDTParser initialized [2018-01-30 04:59:29,028 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/daniel/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-tiling/pnr3_true-unreach-call.i [2018-01-30 04:59:29,091 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-30 04:59:29,091 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-01-30 04:59:29,092 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-30 04:59:29,092 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-30 04:59:29,096 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-30 04:59:29,096 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.01 04:59:29" (1/1) ... [2018-01-30 04:59:29,098 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e72f31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 04:59:29, skipping insertion in model container [2018-01-30 04:59:29,098 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.01 04:59:29" (1/1) ... [2018-01-30 04:59:29,107 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-30 04:59:29,116 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-30 04:59:29,186 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-30 04:59:29,196 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-30 04:59:29,199 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 04:59:29 WrapperNode [2018-01-30 04:59:29,200 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-30 04:59:29,200 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-30 04:59:29,200 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-30 04:59:29,200 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-30 04:59:29,209 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 04:59:29" (1/1) ... [2018-01-30 04:59:29,209 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 04:59:29" (1/1) ... [2018-01-30 04:59:29,214 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 04:59:29" (1/1) ... [2018-01-30 04:59:29,214 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 04:59:29" (1/1) ... [2018-01-30 04:59:29,215 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 04:59:29" (1/1) ... [2018-01-30 04:59:29,217 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 04:59:29" (1/1) ... [2018-01-30 04:59:29,218 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 04:59:29" (1/1) ... [2018-01-30 04:59:29,219 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-30 04:59:29,219 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-30 04:59:29,219 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-30 04:59:29,219 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-30 04:59:29,220 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 04:59:29" (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 [2018-01-30 04:59:29,263 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-30 04:59:29,263 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-30 04:59:29,263 INFO L136 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-01-30 04:59:29,263 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-30 04:59:29,263 INFO L128 BoogieDeclarations]: Found specification of procedure ReadFromPort [2018-01-30 04:59:29,263 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-01-30 04:59:29,264 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2018-01-30 04:59:29,264 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-01-30 04:59:29,264 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-01-30 04:59:29,264 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-30 04:59:29,264 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-30 04:59:29,264 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-30 04:59:29,600 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-30 04:59:29,601 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.01 04:59:29 BoogieIcfgContainer [2018-01-30 04:59:29,601 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-30 04:59:29,601 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2018-01-30 04:59:29,601 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2018-01-30 04:59:29,602 INFO L276 PluginConnector]: IcfgTransformer initialized [2018-01-30 04:59:29,603 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.01 04:59:29" (1/1) ... [2018-01-30 04:59:29,606 WARN L213 ansformationObserver]: HeapSeparator: input icfg has no '#valid' array -- returning unchanged Icfg! [2018-01-30 04:59:29,613 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 30.01 04:59:29 BasicIcfg [2018-01-30 04:59:29,613 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2018-01-30 04:59:29,614 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-01-30 04:59:29,614 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-01-30 04:59:29,615 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-01-30 04:59:29,615 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.01 04:59:29" (1/4) ... [2018-01-30 04:59:29,616 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a5a7842 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.01 04:59:29, skipping insertion in model container [2018-01-30 04:59:29,616 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 04:59:29" (2/4) ... [2018-01-30 04:59:29,616 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a5a7842 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.01 04:59:29, skipping insertion in model container [2018-01-30 04:59:29,617 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.01 04:59:29" (3/4) ... [2018-01-30 04:59:29,617 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a5a7842 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.01 04:59:29, skipping insertion in model container [2018-01-30 04:59:29,617 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 30.01 04:59:29" (4/4) ... [2018-01-30 04:59:29,618 INFO L107 eAbstractionObserver]: Analyzing ICFG pnr3_true-unreach-call.ileft_unchanged_by_heapseparator [2018-01-30 04:59:29,623 INFO L128 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-01-30 04:59:29,627 INFO L140 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-01-30 04:59:29,651 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-30 04:59:29,651 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-30 04:59:29,651 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-30 04:59:29,651 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-30 04:59:29,651 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-30 04:59:29,651 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-30 04:59:29,651 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-30 04:59:29,651 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-01-30 04:59:29,652 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-30 04:59:29,662 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states. [2018-01-30 04:59:29,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-01-30 04:59:29,665 INFO L342 BasicCegarLoop]: Found error trace [2018-01-30 04:59:29,666 INFO L350 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-30 04:59:29,666 INFO L371 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0AssertViolation]=== [2018-01-30 04:59:29,669 INFO L82 PathProgramCache]: Analyzing trace with hash -45132905, now seen corresponding path program 1 times [2018-01-30 04:59:29,670 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-30 04:59:29,670 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-30 04:59:29,702 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-30 04:59:29,702 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-30 04:59:29,702 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-30 04:59:29,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-30 04:59:29,731 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-30 04:59:29,755 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-30 04:59:29,756 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-30 04:59:29,756 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-30 04:59:29,757 INFO L409 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-01-30 04:59:29,764 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-01-30 04:59:29,765 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-30 04:59:29,766 INFO L87 Difference]: Start difference. First operand 62 states. Second operand 2 states. [2018-01-30 04:59:29,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-30 04:59:29,780 INFO L93 Difference]: Finished difference Result 80 states and 91 transitions. [2018-01-30 04:59:29,780 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-01-30 04:59:29,781 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 25 [2018-01-30 04:59:29,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-30 04:59:29,786 INFO L225 Difference]: With dead ends: 80 [2018-01-30 04:59:29,786 INFO L226 Difference]: Without dead ends: 56 [2018-01-30 04:59:29,788 INFO L553 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 [2018-01-30 04:59:29,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2018-01-30 04:59:29,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2018-01-30 04:59:29,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2018-01-30 04:59:29,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 61 transitions. [2018-01-30 04:59:29,824 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 61 transitions. Word has length 25 [2018-01-30 04:59:29,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-30 04:59:29,824 INFO L432 AbstractCegarLoop]: Abstraction has 56 states and 61 transitions. [2018-01-30 04:59:29,824 INFO L433 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-01-30 04:59:29,824 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 61 transitions. [2018-01-30 04:59:29,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-01-30 04:59:29,825 INFO L342 BasicCegarLoop]: Found error trace [2018-01-30 04:59:29,825 INFO L350 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-30 04:59:29,825 INFO L371 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0AssertViolation]=== [2018-01-30 04:59:29,825 INFO L82 PathProgramCache]: Analyzing trace with hash -673783300, now seen corresponding path program 1 times [2018-01-30 04:59:29,825 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-30 04:59:29,825 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-30 04:59:29,826 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-30 04:59:29,826 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-30 04:59:29,826 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-30 04:59:29,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-30 04:59:29,915 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-30 04:59:30,415 WARN L146 SmtUtils]: Spent 148ms on a formula simplification. DAG size of input: 33 DAG size of output 14 [2018-01-30 04:59:30,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-30 04:59:30,433 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-30 04:59:30,433 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-01-30 04:59:30,434 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-01-30 04:59:30,434 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-01-30 04:59:30,434 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-01-30 04:59:30,434 INFO L87 Difference]: Start difference. First operand 56 states and 61 transitions. Second operand 5 states. [2018-01-30 04:59:30,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-30 04:59:30,598 INFO L93 Difference]: Finished difference Result 99 states and 110 transitions. [2018-01-30 04:59:30,599 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-30 04:59:30,599 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2018-01-30 04:59:30,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-30 04:59:30,601 INFO L225 Difference]: With dead ends: 99 [2018-01-30 04:59:30,601 INFO L226 Difference]: Without dead ends: 86 [2018-01-30 04:59:30,601 INFO L553 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2018-01-30 04:59:30,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2018-01-30 04:59:30,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 58. [2018-01-30 04:59:30,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2018-01-30 04:59:30,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 63 transitions. [2018-01-30 04:59:30,609 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 63 transitions. Word has length 26 [2018-01-30 04:59:30,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-30 04:59:30,609 INFO L432 AbstractCegarLoop]: Abstraction has 58 states and 63 transitions. [2018-01-30 04:59:30,609 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-01-30 04:59:30,609 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 63 transitions. [2018-01-30 04:59:30,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-01-30 04:59:30,610 INFO L342 BasicCegarLoop]: Found error trace [2018-01-30 04:59:30,610 INFO L350 BasicCegarLoop]: trace histogram [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] [2018-01-30 04:59:30,610 INFO L371 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0AssertViolation]=== [2018-01-30 04:59:30,610 INFO L82 PathProgramCache]: Analyzing trace with hash -1560585953, now seen corresponding path program 1 times [2018-01-30 04:59:30,610 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-30 04:59:30,610 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-30 04:59:30,611 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-30 04:59:30,611 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-30 04:59:30,611 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-30 04:59:30,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-30 04:59:30,627 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-30 04:59:30,630 FATAL L265 ToolchainWalker]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Cannot explain term pair (main_~a~8_24,(store main_~a~8_24 (+ (* 3 main_~i~8_16) (- 2)) main_~value~8_27)) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.getProof(SMTInterpol.java:805) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.getInterpolants(SMTInterpol.java:914) 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:396) 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) [2018-01-30 04:59:30,632 INFO L168 Benchmark]: Toolchain (without parser) took 1540.64 ms. Allocated memory was 148.9 MB in the beginning and 192.4 MB in the end (delta: 43.5 MB). Free memory was 113.9 MB in the beginning and 140.9 MB in the end (delta: -27.0 MB). Peak memory consumption was 16.5 MB. Max. memory is 5.3 GB. [2018-01-30 04:59:30,632 INFO L168 Benchmark]: CDTParser took 0.09 ms. Allocated memory is still 148.9 MB. Free memory is still 118.6 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-30 04:59:30,633 INFO L168 Benchmark]: CACSL2BoogieTranslator took 107.77 ms. Allocated memory is still 148.9 MB. Free memory was 113.7 MB in the beginning and 105.2 MB in the end (delta: 8.5 MB). Peak memory consumption was 8.5 MB. Max. memory is 5.3 GB. [2018-01-30 04:59:30,633 INFO L168 Benchmark]: Boogie Preprocessor took 18.60 ms. Allocated memory is still 148.9 MB. Free memory was 105.2 MB in the beginning and 103.5 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 5.3 GB. [2018-01-30 04:59:30,633 INFO L168 Benchmark]: RCFGBuilder took 381.86 ms. Allocated memory is still 148.9 MB. Free memory was 103.5 MB in the beginning and 88.3 MB in the end (delta: 15.2 MB). Peak memory consumption was 15.2 MB. Max. memory is 5.3 GB. [2018-01-30 04:59:30,633 INFO L168 Benchmark]: IcfgTransformer took 12.26 ms. Allocated memory is still 148.9 MB. Free memory was 88.1 MB in the beginning and 86.7 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 5.3 GB. [2018-01-30 04:59:30,633 INFO L168 Benchmark]: TraceAbstraction took 1017.63 ms. Allocated memory was 148.9 MB in the beginning and 192.4 MB in the end (delta: 43.5 MB). Free memory was 86.5 MB in the beginning and 140.9 MB in the end (delta: -54.4 MB). There was no memory consumed. Max. memory is 5.3 GB. [2018-01-30 04:59:30,634 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 148.9 MB. Free memory is still 118.6 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 107.77 ms. Allocated memory is still 148.9 MB. Free memory was 113.7 MB in the beginning and 105.2 MB in the end (delta: 8.5 MB). Peak memory consumption was 8.5 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 18.60 ms. Allocated memory is still 148.9 MB. Free memory was 105.2 MB in the beginning and 103.5 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 5.3 GB. * RCFGBuilder took 381.86 ms. Allocated memory is still 148.9 MB. Free memory was 103.5 MB in the beginning and 88.3 MB in the end (delta: 15.2 MB). Peak memory consumption was 15.2 MB. Max. memory is 5.3 GB. * IcfgTransformer took 12.26 ms. Allocated memory is still 148.9 MB. Free memory was 88.1 MB in the beginning and 86.7 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 5.3 GB. * TraceAbstraction took 1017.63 ms. Allocated memory was 148.9 MB in the beginning and 192.4 MB in the end (delta: 43.5 MB). Free memory was 86.5 MB in the beginning and 140.9 MB in the end (delta: -54.4 MB). There was no memory consumed. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: Cannot explain term pair (main_~a~8_24,(store main_~a~8_24 (+ (* 3 main_~i~8_16) (- 2)) main_~value~8_27)) de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: Cannot explain term pair (main_~a~8_24,(store main_~a~8_24 (+ (* 3 main_~i~8_16) (- 2)) main_~value~8_27)): de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.getProof(SMTInterpol.java:805) 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/pnr3_true-unreach-call.i_svcomp-Reach-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-Benchmark-0-2018-01-30_04-59-30-639.csv Received shutdown request...