java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data --generate-csv --csv-dir csv -tc ../../../trunk/examples/toolchains/AutomizerBplTransformed.xml -s ../../../trunk/examples/settings/heapseparator/heapsep-2018-09-18.epf -i ../../../trunk/examples/programs/20170304-DifficultPathPrograms/pals_lcr-var-start-time.4.2.ufo.UNBOUNDED.pals.c_11.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d769cf3 [2018-10-15 15:33:15,632 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-15 15:33:15,634 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-15 15:33:15,646 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2018-10-15 15:33:15,678 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/heapseparator/heapsep-2018-09-18.epf [2018-10-15 15:33:15,687 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-15 15:33:15,688 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-15 15:33:15,688 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-15 15:33:15,689 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-10-15 15:33:15,689 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-10-15 15:33:15,689 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-15 15:33:15,690 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-15 15:33:15,690 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-10-15 15:33:15,690 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-15 15:33:15,690 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation [2018-10-15 15:33:15,690 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-15 15:33:15,691 INFO L133 SettingsManager]: * Order in Petri net unfolding=Ken McMillan [2018-10-15 15:33:15,691 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-15 15:33:15,692 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-10-15 15:33:15,692 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-10-15 15:33:15,737 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-15 15:33:15,755 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-15 15:33:15,761 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-15 15:33:15,763 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-15 15:33:15,764 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-15 15:33:15,764 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/pals_lcr-var-start-time.4.2.ufo.UNBOUNDED.pals.c_11.bpl [2018-10-15 15:33:15,765 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/pals_lcr-var-start-time.4.2.ufo.UNBOUNDED.pals.c_11.bpl' [2018-10-15 15:33:15,866 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-15 15:33:15,868 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-15 15:33:15,868 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-15 15:33:15,869 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-15 15:33:15,869 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-15 15:33:15,896 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "pals_lcr-var-start-time.4.2.ufo.UNBOUNDED.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.10 03:33:15" (1/1) ... [2018-10-15 15:33:15,898 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "pals_lcr-var-start-time.4.2.ufo.UNBOUNDED.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.10 03:33:15" (1/1) ... [2018-10-15 15:33:15,916 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "pals_lcr-var-start-time.4.2.ufo.UNBOUNDED.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.10 03:33:15" (1/1) ... [2018-10-15 15:33:15,916 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "pals_lcr-var-start-time.4.2.ufo.UNBOUNDED.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.10 03:33:15" (1/1) ... [2018-10-15 15:33:15,938 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "pals_lcr-var-start-time.4.2.ufo.UNBOUNDED.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.10 03:33:15" (1/1) ... [2018-10-15 15:33:15,944 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "pals_lcr-var-start-time.4.2.ufo.UNBOUNDED.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.10 03:33:15" (1/1) ... [2018-10-15 15:33:15,950 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "pals_lcr-var-start-time.4.2.ufo.UNBOUNDED.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.10 03:33:15" (1/1) ... [2018-10-15 15:33:15,957 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-15 15:33:15,961 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-15 15:33:15,961 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-15 15:33:15,961 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-15 15:33:15,962 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "pals_lcr-var-start-time.4.2.ufo.UNBOUNDED.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.10 03:33:15" (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:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-10-15 15:33:16,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-15 15:33:16,036 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-15 15:33:17,013 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-15 15:33:17,013 INFO L202 PluginConnector]: Adding new model pals_lcr-var-start-time.4.2.ufo.UNBOUNDED.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:33:17 BoogieIcfgContainer [2018-10-15 15:33:17,014 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-15 15:33:17,014 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2018-10-15 15:33:17,015 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2018-10-15 15:33:17,016 INFO L276 PluginConnector]: IcfgTransformer initialized [2018-10-15 15:33:17,020 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "pals_lcr-var-start-time.4.2.ufo.UNBOUNDED.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:33:17" (1/1) ... [2018-10-15 15:33:17,025 WARN L219 ansformationObserver]: HeapSeparator: input icfg has no '#valid' array -- returning unchanged Icfg! [2018-10-15 15:33:17,051 INFO L202 PluginConnector]: Adding new model pals_lcr-var-start-time.4.2.ufo.UNBOUNDED.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 15.10 03:33:17 BasicIcfg [2018-10-15 15:33:17,051 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2018-10-15 15:33:17,053 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-15 15:33:17,053 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-15 15:33:17,056 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-15 15:33:17,056 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "pals_lcr-var-start-time.4.2.ufo.UNBOUNDED.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.10 03:33:15" (1/3) ... [2018-10-15 15:33:17,058 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3394e70b and model type pals_lcr-var-start-time.4.2.ufo.UNBOUNDED.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 03:33:17, skipping insertion in model container [2018-10-15 15:33:17,058 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "pals_lcr-var-start-time.4.2.ufo.UNBOUNDED.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:33:17" (2/3) ... [2018-10-15 15:33:17,058 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3394e70b and model type pals_lcr-var-start-time.4.2.ufo.UNBOUNDED.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 03:33:17, skipping insertion in model container [2018-10-15 15:33:17,058 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "pals_lcr-var-start-time.4.2.ufo.UNBOUNDED.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 15.10 03:33:17" (3/3) ... [2018-10-15 15:33:17,060 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.4.2.ufo.UNBOUNDED.pals.c_11.bplleft_unchanged_by_heapseparator [2018-10-15 15:33:17,070 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-10-15 15:33:17,080 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-15 15:33:17,098 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-15 15:33:17,128 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-10-15 15:33:17,129 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-15 15:33:17,129 INFO L383 AbstractCegarLoop]: Hoare is false [2018-10-15 15:33:17,129 INFO L384 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-10-15 15:33:17,130 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-15 15:33:17,130 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-15 15:33:17,130 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-15 15:33:17,130 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-15 15:33:17,130 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-15 15:33:17,156 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states. [2018-10-15 15:33:17,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-10-15 15:33:17,189 INFO L367 BasicCegarLoop]: Found error trace [2018-10-15 15:33:17,192 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-15 15:33:17,196 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-15 15:33:17,204 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-15 15:33:17,204 INFO L82 PathProgramCache]: Analyzing trace with hash -792467487, now seen corresponding path program 1 times [2018-10-15 15:33:17,286 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-15 15:33:17,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-15 15:33:17,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-15 15:33:17,716 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-15 15:33:17,717 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-15 15:33:17,723 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-15 15:33:17,741 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-15 15:33:17,742 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-15 15:33:17,745 INFO L87 Difference]: Start difference. First operand 212 states. Second operand 3 states. [2018-10-15 15:33:17,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-15 15:33:17,875 INFO L93 Difference]: Finished difference Result 278 states and 287 transitions. [2018-10-15 15:33:17,877 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-15 15:33:17,879 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 187 [2018-10-15 15:33:17,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-15 15:33:17,896 INFO L225 Difference]: With dead ends: 278 [2018-10-15 15:33:17,897 INFO L226 Difference]: Without dead ends: 278 [2018-10-15 15:33:17,899 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-15 15:33:17,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2018-10-15 15:33:17,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 275. [2018-10-15 15:33:17,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 275 states. [2018-10-15 15:33:17,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 285 transitions. [2018-10-15 15:33:17,968 INFO L78 Accepts]: Start accepts. Automaton has 275 states and 285 transitions. Word has length 187 [2018-10-15 15:33:17,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-15 15:33:17,970 INFO L481 AbstractCegarLoop]: Abstraction has 275 states and 285 transitions. [2018-10-15 15:33:17,970 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-15 15:33:17,971 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 285 transitions. [2018-10-15 15:33:17,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-10-15 15:33:17,974 INFO L367 BasicCegarLoop]: Found error trace [2018-10-15 15:33:17,975 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-15 15:33:17,975 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-15 15:33:17,975 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-15 15:33:17,976 INFO L82 PathProgramCache]: Analyzing trace with hash -853333986, now seen corresponding path program 1 times [2018-10-15 15:33:17,978 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-15 15:33:18,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-15 15:33:18,341 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-15 15:33:18,341 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-15 15:33:18,342 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-10-15 15:33:18,344 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-10-15 15:33:18,344 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-10-15 15:33:18,345 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-10-15 15:33:18,345 INFO L87 Difference]: Start difference. First operand 275 states and 285 transitions. Second operand 8 states. [2018-10-15 15:33:18,908 WARN L179 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2018-10-15 15:33:19,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-15 15:33:19,440 INFO L93 Difference]: Finished difference Result 443 states and 462 transitions. [2018-10-15 15:33:19,440 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-10-15 15:33:19,440 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 189 [2018-10-15 15:33:19,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-15 15:33:19,449 INFO L225 Difference]: With dead ends: 443 [2018-10-15 15:33:19,449 INFO L226 Difference]: Without dead ends: 443 [2018-10-15 15:33:19,450 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=94, Invalid=212, Unknown=0, NotChecked=0, Total=306 [2018-10-15 15:33:19,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 443 states. [2018-10-15 15:33:19,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 443 to 293. [2018-10-15 15:33:19,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 293 states. [2018-10-15 15:33:19,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 303 transitions. [2018-10-15 15:33:19,486 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 303 transitions. Word has length 189 [2018-10-15 15:33:19,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-15 15:33:19,488 INFO L481 AbstractCegarLoop]: Abstraction has 293 states and 303 transitions. [2018-10-15 15:33:19,488 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-10-15 15:33:19,488 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 303 transitions. [2018-10-15 15:33:19,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-10-15 15:33:19,494 INFO L367 BasicCegarLoop]: Found error trace [2018-10-15 15:33:19,494 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-15 15:33:19,494 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-15 15:33:19,495 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-15 15:33:19,495 INFO L82 PathProgramCache]: Analyzing trace with hash 1584544013, now seen corresponding path program 1 times [2018-10-15 15:33:19,497 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-15 15:33:19,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-15 15:33:19,750 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-15 15:33:19,750 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-15 15:33:19,751 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-15 15:33:19,752 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-15 15:33:19,752 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-15 15:33:19,752 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-15 15:33:19,753 INFO L87 Difference]: Start difference. First operand 293 states and 303 transitions. Second operand 3 states. [2018-10-15 15:33:19,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-15 15:33:19,814 INFO L93 Difference]: Finished difference Result 421 states and 438 transitions. [2018-10-15 15:33:19,814 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-15 15:33:19,815 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 190 [2018-10-15 15:33:19,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-15 15:33:19,818 INFO L225 Difference]: With dead ends: 421 [2018-10-15 15:33:19,818 INFO L226 Difference]: Without dead ends: 421 [2018-10-15 15:33:19,818 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-15 15:33:19,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2018-10-15 15:33:19,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 417. [2018-10-15 15:33:19,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 417 states. [2018-10-15 15:33:19,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 417 states and 434 transitions. [2018-10-15 15:33:19,835 INFO L78 Accepts]: Start accepts. Automaton has 417 states and 434 transitions. Word has length 190 [2018-10-15 15:33:19,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-15 15:33:19,836 INFO L481 AbstractCegarLoop]: Abstraction has 417 states and 434 transitions. [2018-10-15 15:33:19,836 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-15 15:33:19,836 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 434 transitions. [2018-10-15 15:33:19,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-10-15 15:33:19,840 INFO L367 BasicCegarLoop]: Found error trace [2018-10-15 15:33:19,841 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-15 15:33:19,841 INFO L424 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-15 15:33:19,841 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-15 15:33:19,841 INFO L82 PathProgramCache]: Analyzing trace with hash 585389104, now seen corresponding path program 1 times [2018-10-15 15:33:19,843 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-15 15:33:19,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-15 15:33:20,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-15 15:33:20,005 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-15 15:33:20,005 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-15 15:33:20,006 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-15 15:33:20,006 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-15 15:33:20,006 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-15 15:33:20,007 INFO L87 Difference]: Start difference. First operand 417 states and 434 transitions. Second operand 3 states. [2018-10-15 15:33:20,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-15 15:33:20,084 INFO L93 Difference]: Finished difference Result 568 states and 593 transitions. [2018-10-15 15:33:20,085 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-15 15:33:20,085 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 194 [2018-10-15 15:33:20,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-15 15:33:20,089 INFO L225 Difference]: With dead ends: 568 [2018-10-15 15:33:20,089 INFO L226 Difference]: Without dead ends: 568 [2018-10-15 15:33:20,090 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-15 15:33:20,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 568 states. [2018-10-15 15:33:20,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 568 to 565. [2018-10-15 15:33:20,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 565 states. [2018-10-15 15:33:20,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 565 states and 591 transitions. [2018-10-15 15:33:20,105 INFO L78 Accepts]: Start accepts. Automaton has 565 states and 591 transitions. Word has length 194 [2018-10-15 15:33:20,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-15 15:33:20,106 INFO L481 AbstractCegarLoop]: Abstraction has 565 states and 591 transitions. [2018-10-15 15:33:20,106 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-15 15:33:20,106 INFO L276 IsEmpty]: Start isEmpty. Operand 565 states and 591 transitions. [2018-10-15 15:33:20,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2018-10-15 15:33:20,112 INFO L367 BasicCegarLoop]: Found error trace [2018-10-15 15:33:20,113 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-15 15:33:20,113 INFO L424 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-15 15:33:20,113 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-15 15:33:20,114 INFO L82 PathProgramCache]: Analyzing trace with hash -1028819192, now seen corresponding path program 1 times [2018-10-15 15:33:20,115 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-15 15:33:20,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-15 15:33:20,339 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-15 15:33:20,339 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-15 15:33:20,340 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-15 15:33:20,340 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-15 15:33:20,340 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-15 15:33:20,341 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-15 15:33:20,341 INFO L87 Difference]: Start difference. First operand 565 states and 591 transitions. Second operand 3 states. [2018-10-15 15:33:20,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-15 15:33:20,367 INFO L93 Difference]: Finished difference Result 974 states and 1020 transitions. [2018-10-15 15:33:20,374 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-15 15:33:20,374 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 247 [2018-10-15 15:33:20,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-15 15:33:20,381 INFO L225 Difference]: With dead ends: 974 [2018-10-15 15:33:20,381 INFO L226 Difference]: Without dead ends: 974 [2018-10-15 15:33:20,382 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-15 15:33:20,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 974 states. [2018-10-15 15:33:20,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 974 to 947. [2018-10-15 15:33:20,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 947 states. [2018-10-15 15:33:20,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 947 states to 947 states and 994 transitions. [2018-10-15 15:33:20,407 INFO L78 Accepts]: Start accepts. Automaton has 947 states and 994 transitions. Word has length 247 [2018-10-15 15:33:20,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-15 15:33:20,408 INFO L481 AbstractCegarLoop]: Abstraction has 947 states and 994 transitions. [2018-10-15 15:33:20,408 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-15 15:33:20,408 INFO L276 IsEmpty]: Start isEmpty. Operand 947 states and 994 transitions. [2018-10-15 15:33:20,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2018-10-15 15:33:20,412 INFO L367 BasicCegarLoop]: Found error trace [2018-10-15 15:33:20,413 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-15 15:33:20,413 INFO L424 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-15 15:33:20,413 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-15 15:33:20,414 INFO L82 PathProgramCache]: Analyzing trace with hash -480630375, now seen corresponding path program 1 times [2018-10-15 15:33:20,415 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-15 15:33:20,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-15 15:33:20,577 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-10-15 15:33:20,577 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-15 15:33:20,578 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-15 15:33:20,578 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-15 15:33:20,578 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-15 15:33:20,578 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-15 15:33:20,579 INFO L87 Difference]: Start difference. First operand 947 states and 994 transitions. Second operand 3 states. [2018-10-15 15:33:20,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-15 15:33:20,624 INFO L93 Difference]: Finished difference Result 950 states and 990 transitions. [2018-10-15 15:33:20,626 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-15 15:33:20,626 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 248 [2018-10-15 15:33:20,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-15 15:33:20,632 INFO L225 Difference]: With dead ends: 950 [2018-10-15 15:33:20,632 INFO L226 Difference]: Without dead ends: 950 [2018-10-15 15:33:20,632 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-15 15:33:20,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 950 states. [2018-10-15 15:33:20,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 950 to 947. [2018-10-15 15:33:20,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 947 states. [2018-10-15 15:33:20,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 947 states to 947 states and 988 transitions. [2018-10-15 15:33:20,650 INFO L78 Accepts]: Start accepts. Automaton has 947 states and 988 transitions. Word has length 248 [2018-10-15 15:33:20,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-15 15:33:20,651 INFO L481 AbstractCegarLoop]: Abstraction has 947 states and 988 transitions. [2018-10-15 15:33:20,651 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-15 15:33:20,651 INFO L276 IsEmpty]: Start isEmpty. Operand 947 states and 988 transitions. [2018-10-15 15:33:20,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2018-10-15 15:33:20,656 INFO L367 BasicCegarLoop]: Found error trace [2018-10-15 15:33:20,656 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-15 15:33:20,656 INFO L424 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-15 15:33:20,657 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-15 15:33:20,658 INFO L82 PathProgramCache]: Analyzing trace with hash -2070271295, now seen corresponding path program 2 times [2018-10-15 15:33:20,660 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-15 15:33:20,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-15 15:33:20,927 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-15 15:33:20,928 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-15 15:33:20,928 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-15 15:33:20,929 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-15 15:33:20,929 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-15 15:33:20,929 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-15 15:33:20,929 INFO L87 Difference]: Start difference. First operand 947 states and 988 transitions. Second operand 3 states. [2018-10-15 15:33:21,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-15 15:33:21,049 INFO L93 Difference]: Finished difference Result 1720 states and 1790 transitions. [2018-10-15 15:33:21,050 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-15 15:33:21,050 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 248 [2018-10-15 15:33:21,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-15 15:33:21,059 INFO L225 Difference]: With dead ends: 1720 [2018-10-15 15:33:21,059 INFO L226 Difference]: Without dead ends: 1720 [2018-10-15 15:33:21,060 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-15 15:33:21,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1720 states. [2018-10-15 15:33:21,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1720 to 1669. [2018-10-15 15:33:21,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1669 states. [2018-10-15 15:33:21,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1669 states to 1669 states and 1740 transitions. [2018-10-15 15:33:21,094 INFO L78 Accepts]: Start accepts. Automaton has 1669 states and 1740 transitions. Word has length 248 [2018-10-15 15:33:21,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-15 15:33:21,094 INFO L481 AbstractCegarLoop]: Abstraction has 1669 states and 1740 transitions. [2018-10-15 15:33:21,095 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-15 15:33:21,095 INFO L276 IsEmpty]: Start isEmpty. Operand 1669 states and 1740 transitions. [2018-10-15 15:33:21,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2018-10-15 15:33:21,099 INFO L367 BasicCegarLoop]: Found error trace [2018-10-15 15:33:21,100 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-15 15:33:21,100 INFO L424 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-15 15:33:21,100 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-15 15:33:21,100 INFO L82 PathProgramCache]: Analyzing trace with hash -328142064, now seen corresponding path program 1 times [2018-10-15 15:33:21,101 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-15 15:33:21,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-15 15:33:21,239 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-10-15 15:33:21,240 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-15 15:33:21,240 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-15 15:33:21,240 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-15 15:33:21,241 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-15 15:33:21,241 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-15 15:33:21,241 INFO L87 Difference]: Start difference. First operand 1669 states and 1740 transitions. Second operand 3 states. [2018-10-15 15:33:21,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-15 15:33:21,325 INFO L93 Difference]: Finished difference Result 908 states and 936 transitions. [2018-10-15 15:33:21,325 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-15 15:33:21,326 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 249 [2018-10-15 15:33:21,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-15 15:33:21,329 INFO L225 Difference]: With dead ends: 908 [2018-10-15 15:33:21,330 INFO L226 Difference]: Without dead ends: 908 [2018-10-15 15:33:21,330 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-15 15:33:21,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 908 states. [2018-10-15 15:33:21,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 908 to 905. [2018-10-15 15:33:21,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 905 states. [2018-10-15 15:33:21,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 905 states to 905 states and 934 transitions. [2018-10-15 15:33:21,347 INFO L78 Accepts]: Start accepts. Automaton has 905 states and 934 transitions. Word has length 249 [2018-10-15 15:33:21,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-15 15:33:21,348 INFO L481 AbstractCegarLoop]: Abstraction has 905 states and 934 transitions. [2018-10-15 15:33:21,348 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-15 15:33:21,348 INFO L276 IsEmpty]: Start isEmpty. Operand 905 states and 934 transitions. [2018-10-15 15:33:21,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2018-10-15 15:33:21,349 INFO L367 BasicCegarLoop]: Found error trace [2018-10-15 15:33:21,351 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-15 15:33:21,351 INFO L424 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-15 15:33:21,351 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-15 15:33:21,351 INFO L82 PathProgramCache]: Analyzing trace with hash -58358040, now seen corresponding path program 2 times [2018-10-15 15:33:21,352 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-15 15:33:21,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-15 15:33:22,269 WARN L179 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 16 [2018-10-15 15:33:22,535 WARN L179 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2018-10-15 15:33:23,164 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 26 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-15 15:33:23,164 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-15 15:33:23,164 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2018-10-15 15:33:23,165 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-10-15 15:33:23,165 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-10-15 15:33:23,165 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-10-15 15:33:23,166 INFO L87 Difference]: Start difference. First operand 905 states and 934 transitions. Second operand 10 states. [2018-10-15 15:33:24,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-15 15:33:24,181 INFO L93 Difference]: Finished difference Result 257 states and 256 transitions. [2018-10-15 15:33:24,181 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-10-15 15:33:24,181 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 249 [2018-10-15 15:33:24,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-15 15:33:24,183 INFO L225 Difference]: With dead ends: 257 [2018-10-15 15:33:24,183 INFO L226 Difference]: Without dead ends: 0 [2018-10-15 15:33:24,183 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=162, Invalid=438, Unknown=0, NotChecked=0, Total=600 [2018-10-15 15:33:24,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-15 15:33:24,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-15 15:33:24,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-15 15:33:24,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-15 15:33:24,184 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 249 [2018-10-15 15:33:24,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-15 15:33:24,185 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-15 15:33:24,185 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-10-15 15:33:24,185 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-15 15:33:24,185 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-15 15:33:24,191 INFO L202 PluginConnector]: Adding new model pals_lcr-var-start-time.4.2.ufo.UNBOUNDED.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 03:33:24 BasicIcfg [2018-10-15 15:33:24,191 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-15 15:33:24,192 INFO L168 Benchmark]: Toolchain (without parser) took 8325.97 ms. Allocated memory was 1.5 GB in the beginning and 1.6 GB in the end (delta: 34.1 MB). Free memory was 1.5 GB in the beginning and 989.5 MB in the end (delta: 485.5 MB). Peak memory consumption was 519.6 MB. Max. memory is 7.1 GB. [2018-10-15 15:33:24,194 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-15 15:33:24,194 INFO L168 Benchmark]: Boogie Preprocessor took 91.75 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-15 15:33:24,195 INFO L168 Benchmark]: RCFGBuilder took 1053.07 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. [2018-10-15 15:33:24,196 INFO L168 Benchmark]: IcfgTransformer took 37.01 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-15 15:33:24,196 INFO L168 Benchmark]: TraceAbstraction took 7138.72 ms. Allocated memory was 1.5 GB in the beginning and 1.6 GB in the end (delta: 34.1 MB). Free memory was 1.4 GB in the beginning and 989.5 MB in the end (delta: 443.2 MB). Peak memory consumption was 477.3 MB. Max. memory is 7.1 GB. [2018-10-15 15:33:24,201 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 91.75 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 1053.07 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. * IcfgTransformer took 37.01 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * TraceAbstraction took 7138.72 ms. Allocated memory was 1.5 GB in the beginning and 1.6 GB in the end (delta: 34.1 MB). Free memory was 1.4 GB in the beginning and 989.5 MB in the end (delta: 443.2 MB). Peak memory consumption was 477.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 384]: assertion always holds For all program executions holds that assertion always holds at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 212 locations, 1 error locations. SAFE Result, 7.0s OverallTime, 9 OverallIterations, 2 TraceHistogramMax, 2.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2220 SDtfs, 1284 SDslu, 3401 SDs, 0 SdLazy, 327 SolverSat, 25 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 67 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 116 ImplicationChecksByTransitivity, 3.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1669occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 9 MinimizatonAttempts, 244 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.8s InterpolantComputationTime, 2001 NumberOfCodeBlocks, 2001 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1992 ConstructedInterpolants, 0 QuantifiedInterpolants, 1417986 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 8 PerfectInterpolantSequences, 198/212 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/pals_lcr-var-start-time.4.2.ufo.UNBOUNDED.pals.c_11.bpl_heapsep-2018-09-18.epf_AutomizerBplTransformed.xml/Csv-Benchmark-0-2018-10-15_15-33-24-218.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/pals_lcr-var-start-time.4.2.ufo.UNBOUNDED.pals.c_11.bpl_heapsep-2018-09-18.epf_AutomizerBplTransformed.xml/Csv-TraceAbstractionBenchmarks-0-2018-10-15_15-33-24-218.csv Received shutdown request...