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.3.1.ufo.BOUNDED-6.pals.c_9.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d769cf3 [2018-10-15 15:32:51,869 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-15 15:32:51,871 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-15 15:32:51,890 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-15 15:32:51,890 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-15 15:32:51,891 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-15 15:32:51,893 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-15 15:32:51,895 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-15 15:32:51,899 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-15 15:32:51,901 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-15 15:32:51,902 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2018-10-15 15:32:51,933 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 15:32:51,949 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-15 15:32:51,949 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-15 15:32:51,950 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-15 15:32:51,950 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-10-15 15:32:51,950 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-10-15 15:32:51,950 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-15 15:32:51,952 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-15 15:32:51,952 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-10-15 15:32:51,952 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-15 15:32:51,953 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation [2018-10-15 15:32:51,953 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-15 15:32:51,953 INFO L133 SettingsManager]: * Order in Petri net unfolding=Ken McMillan [2018-10-15 15:32:51,953 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-15 15:32:51,955 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-10-15 15:32:51,955 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-10-15 15:32:52,021 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-15 15:32:52,038 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-15 15:32:52,045 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-15 15:32:52,048 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-15 15:32:52,049 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-15 15:32:52,049 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/pals_lcr-var-start-time.3.1.ufo.BOUNDED-6.pals.c_9.bpl [2018-10-15 15:32:52,050 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/pals_lcr-var-start-time.3.1.ufo.BOUNDED-6.pals.c_9.bpl' [2018-10-15 15:32:52,141 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-15 15:32:52,143 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-15 15:32:52,144 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-15 15:32:52,145 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-15 15:32:52,145 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-15 15:32:52,174 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "pals_lcr-var-start-time.3.1.ufo.BOUNDED-6.pals.c_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.10 03:32:52" (1/1) ... [2018-10-15 15:32:52,176 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "pals_lcr-var-start-time.3.1.ufo.BOUNDED-6.pals.c_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.10 03:32:52" (1/1) ... [2018-10-15 15:32:52,191 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "pals_lcr-var-start-time.3.1.ufo.BOUNDED-6.pals.c_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.10 03:32:52" (1/1) ... [2018-10-15 15:32:52,192 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "pals_lcr-var-start-time.3.1.ufo.BOUNDED-6.pals.c_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.10 03:32:52" (1/1) ... [2018-10-15 15:32:52,213 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "pals_lcr-var-start-time.3.1.ufo.BOUNDED-6.pals.c_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.10 03:32:52" (1/1) ... [2018-10-15 15:32:52,219 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "pals_lcr-var-start-time.3.1.ufo.BOUNDED-6.pals.c_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.10 03:32:52" (1/1) ... [2018-10-15 15:32:52,223 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "pals_lcr-var-start-time.3.1.ufo.BOUNDED-6.pals.c_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.10 03:32:52" (1/1) ... [2018-10-15 15:32:52,229 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-15 15:32:52,230 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-15 15:32:52,231 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-15 15:32:52,231 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-15 15:32:52,237 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "pals_lcr-var-start-time.3.1.ufo.BOUNDED-6.pals.c_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.10 03:32:52" (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 15:32:52,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-15 15:32:52,313 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-15 15:32:53,231 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-15 15:32:53,232 INFO L202 PluginConnector]: Adding new model pals_lcr-var-start-time.3.1.ufo.BOUNDED-6.pals.c_9.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:32:53 BoogieIcfgContainer [2018-10-15 15:32:53,232 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-15 15:32:53,233 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2018-10-15 15:32:53,233 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2018-10-15 15:32:53,234 INFO L276 PluginConnector]: IcfgTransformer initialized [2018-10-15 15:32:53,238 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "pals_lcr-var-start-time.3.1.ufo.BOUNDED-6.pals.c_9.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:32:53" (1/1) ... [2018-10-15 15:32:53,243 WARN L219 ansformationObserver]: HeapSeparator: input icfg has no '#valid' array -- returning unchanged Icfg! [2018-10-15 15:32:53,268 INFO L202 PluginConnector]: Adding new model pals_lcr-var-start-time.3.1.ufo.BOUNDED-6.pals.c_9.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 15.10 03:32:53 BasicIcfg [2018-10-15 15:32:53,268 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2018-10-15 15:32:53,269 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-15 15:32:53,269 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-15 15:32:53,272 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-15 15:32:53,273 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "pals_lcr-var-start-time.3.1.ufo.BOUNDED-6.pals.c_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.10 03:32:52" (1/3) ... [2018-10-15 15:32:53,274 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a1cec59 and model type pals_lcr-var-start-time.3.1.ufo.BOUNDED-6.pals.c_9.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 03:32:53, skipping insertion in model container [2018-10-15 15:32:53,274 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "pals_lcr-var-start-time.3.1.ufo.BOUNDED-6.pals.c_9.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:32:53" (2/3) ... [2018-10-15 15:32:53,275 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a1cec59 and model type pals_lcr-var-start-time.3.1.ufo.BOUNDED-6.pals.c_9.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 03:32:53, skipping insertion in model container [2018-10-15 15:32:53,275 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "pals_lcr-var-start-time.3.1.ufo.BOUNDED-6.pals.c_9.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 15.10 03:32:53" (3/3) ... [2018-10-15 15:32:53,276 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.3.1.ufo.BOUNDED-6.pals.c_9.bplleft_unchanged_by_heapseparator [2018-10-15 15:32:53,286 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-10-15 15:32:53,294 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-15 15:32:53,308 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-15 15:32:53,335 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-10-15 15:32:53,336 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-15 15:32:53,336 INFO L383 AbstractCegarLoop]: Hoare is false [2018-10-15 15:32:53,336 INFO L384 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-10-15 15:32:53,336 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-15 15:32:53,336 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-15 15:32:53,336 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-15 15:32:53,337 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-15 15:32:53,337 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-15 15:32:53,357 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states. [2018-10-15 15:32:53,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-10-15 15:32:53,375 INFO L367 BasicCegarLoop]: Found error trace [2018-10-15 15:32:53,376 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] [2018-10-15 15:32:53,377 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-15 15:32:53,383 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-15 15:32:53,383 INFO L82 PathProgramCache]: Analyzing trace with hash -1846780489, now seen corresponding path program 1 times [2018-10-15 15:32:53,445 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-15 15:32:53,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-15 15:32:53,763 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 15:32:53,766 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-15 15:32:53,766 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-15 15:32:53,772 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-15 15:32:53,788 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-15 15:32:53,789 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-15 15:32:53,792 INFO L87 Difference]: Start difference. First operand 174 states. Second operand 3 states. [2018-10-15 15:32:53,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-15 15:32:53,932 INFO L93 Difference]: Finished difference Result 229 states and 236 transitions. [2018-10-15 15:32:53,934 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-15 15:32:53,935 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 152 [2018-10-15 15:32:53,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-15 15:32:53,951 INFO L225 Difference]: With dead ends: 229 [2018-10-15 15:32:53,951 INFO L226 Difference]: Without dead ends: 229 [2018-10-15 15:32:53,953 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 15:32:53,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2018-10-15 15:32:54,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 226. [2018-10-15 15:32:54,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 226 states. [2018-10-15 15:32:54,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 234 transitions. [2018-10-15 15:32:54,027 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 234 transitions. Word has length 152 [2018-10-15 15:32:54,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-15 15:32:54,028 INFO L481 AbstractCegarLoop]: Abstraction has 226 states and 234 transitions. [2018-10-15 15:32:54,028 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-15 15:32:54,028 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 234 transitions. [2018-10-15 15:32:54,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-10-15 15:32:54,041 INFO L367 BasicCegarLoop]: Found error trace [2018-10-15 15:32:54,041 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] [2018-10-15 15:32:54,044 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-15 15:32:54,045 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-15 15:32:54,045 INFO L82 PathProgramCache]: Analyzing trace with hash 169512032, now seen corresponding path program 1 times [2018-10-15 15:32:54,049 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-15 15:32:54,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-15 15:32:54,384 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 15:32:54,384 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-15 15:32:54,384 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-10-15 15:32:54,389 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-10-15 15:32:54,390 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-10-15 15:32:54,391 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-10-15 15:32:54,391 INFO L87 Difference]: Start difference. First operand 226 states and 234 transitions. Second operand 8 states. [2018-10-15 15:32:54,760 WARN L179 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2018-10-15 15:32:55,101 WARN L179 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2018-10-15 15:32:55,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-15 15:32:55,380 INFO L93 Difference]: Finished difference Result 373 states and 388 transitions. [2018-10-15 15:32:55,380 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-10-15 15:32:55,380 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 153 [2018-10-15 15:32:55,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-15 15:32:55,387 INFO L225 Difference]: With dead ends: 373 [2018-10-15 15:32:55,388 INFO L226 Difference]: Without dead ends: 373 [2018-10-15 15:32:55,389 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=94, Invalid=212, Unknown=0, NotChecked=0, Total=306 [2018-10-15 15:32:55,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 373 states. [2018-10-15 15:32:55,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 373 to 244. [2018-10-15 15:32:55,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 244 states. [2018-10-15 15:32:55,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 252 transitions. [2018-10-15 15:32:55,418 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 252 transitions. Word has length 153 [2018-10-15 15:32:55,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-15 15:32:55,418 INFO L481 AbstractCegarLoop]: Abstraction has 244 states and 252 transitions. [2018-10-15 15:32:55,419 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-10-15 15:32:55,419 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 252 transitions. [2018-10-15 15:32:55,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-10-15 15:32:55,422 INFO L367 BasicCegarLoop]: Found error trace [2018-10-15 15:32:55,422 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] [2018-10-15 15:32:55,422 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-15 15:32:55,423 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-15 15:32:55,423 INFO L82 PathProgramCache]: Analyzing trace with hash -1066967913, now seen corresponding path program 1 times [2018-10-15 15:32:55,425 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-15 15:32:55,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-15 15:32:55,594 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 15:32:55,594 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-15 15:32:55,594 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-15 15:32:55,595 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-15 15:32:55,595 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-15 15:32:55,596 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-15 15:32:55,596 INFO L87 Difference]: Start difference. First operand 244 states and 252 transitions. Second operand 3 states. [2018-10-15 15:32:55,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-15 15:32:55,632 INFO L93 Difference]: Finished difference Result 309 states and 320 transitions. [2018-10-15 15:32:55,633 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-15 15:32:55,633 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 154 [2018-10-15 15:32:55,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-15 15:32:55,637 INFO L225 Difference]: With dead ends: 309 [2018-10-15 15:32:55,637 INFO L226 Difference]: Without dead ends: 309 [2018-10-15 15:32:55,638 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 15:32:55,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states. [2018-10-15 15:32:55,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 308. [2018-10-15 15:32:55,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 308 states. [2018-10-15 15:32:55,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 319 transitions. [2018-10-15 15:32:55,665 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 319 transitions. Word has length 154 [2018-10-15 15:32:55,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-15 15:32:55,665 INFO L481 AbstractCegarLoop]: Abstraction has 308 states and 319 transitions. [2018-10-15 15:32:55,666 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-15 15:32:55,666 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 319 transitions. [2018-10-15 15:32:55,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2018-10-15 15:32:55,676 INFO L367 BasicCegarLoop]: Found error trace [2018-10-15 15:32:55,677 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:32:55,677 INFO L424 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-15 15:32:55,677 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-15 15:32:55,678 INFO L82 PathProgramCache]: Analyzing trace with hash 1031664282, now seen corresponding path program 1 times [2018-10-15 15:32:55,683 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-15 15:32:55,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-15 15:32:55,940 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-15 15:32:55,941 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-15 15:32:55,941 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-15 15:32:55,942 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-15 15:32:55,942 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-15 15:32:55,942 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-15 15:32:55,943 INFO L87 Difference]: Start difference. First operand 308 states and 319 transitions. Second operand 3 states. [2018-10-15 15:32:55,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-15 15:32:55,992 INFO L93 Difference]: Finished difference Result 497 states and 516 transitions. [2018-10-15 15:32:55,993 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-15 15:32:55,993 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 203 [2018-10-15 15:32:55,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-15 15:32:55,996 INFO L225 Difference]: With dead ends: 497 [2018-10-15 15:32:55,996 INFO L226 Difference]: Without dead ends: 497 [2018-10-15 15:32:55,997 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 15:32:55,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 497 states. [2018-10-15 15:32:56,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 497 to 482. [2018-10-15 15:32:56,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 482 states. [2018-10-15 15:32:56,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 482 states and 502 transitions. [2018-10-15 15:32:56,016 INFO L78 Accepts]: Start accepts. Automaton has 482 states and 502 transitions. Word has length 203 [2018-10-15 15:32:56,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-15 15:32:56,017 INFO L481 AbstractCegarLoop]: Abstraction has 482 states and 502 transitions. [2018-10-15 15:32:56,017 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-15 15:32:56,018 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 502 transitions. [2018-10-15 15:32:56,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2018-10-15 15:32:56,025 INFO L367 BasicCegarLoop]: Found error trace [2018-10-15 15:32:56,025 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:32:56,025 INFO L424 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-15 15:32:56,026 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-15 15:32:56,026 INFO L82 PathProgramCache]: Analyzing trace with hash 454428209, now seen corresponding path program 1 times [2018-10-15 15:32:56,028 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-15 15:32:56,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-15 15:32:56,176 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-10-15 15:32:56,176 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-15 15:32:56,176 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-15 15:32:56,177 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-15 15:32:56,177 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-15 15:32:56,178 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-15 15:32:56,178 INFO L87 Difference]: Start difference. First operand 482 states and 502 transitions. Second operand 3 states. [2018-10-15 15:32:56,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-15 15:32:56,217 INFO L93 Difference]: Finished difference Result 485 states and 501 transitions. [2018-10-15 15:32:56,222 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-15 15:32:56,222 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 204 [2018-10-15 15:32:56,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-15 15:32:56,226 INFO L225 Difference]: With dead ends: 485 [2018-10-15 15:32:56,227 INFO L226 Difference]: Without dead ends: 485 [2018-10-15 15:32:56,227 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 15:32:56,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 485 states. [2018-10-15 15:32:56,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 485 to 482. [2018-10-15 15:32:56,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 482 states. [2018-10-15 15:32:56,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 482 states and 499 transitions. [2018-10-15 15:32:56,239 INFO L78 Accepts]: Start accepts. Automaton has 482 states and 499 transitions. Word has length 204 [2018-10-15 15:32:56,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-15 15:32:56,240 INFO L481 AbstractCegarLoop]: Abstraction has 482 states and 499 transitions. [2018-10-15 15:32:56,240 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-15 15:32:56,240 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 499 transitions. [2018-10-15 15:32:56,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2018-10-15 15:32:56,243 INFO L367 BasicCegarLoop]: Found error trace [2018-10-15 15:32:56,243 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:32:56,244 INFO L424 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-15 15:32:56,244 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-15 15:32:56,244 INFO L82 PathProgramCache]: Analyzing trace with hash -1783776643, now seen corresponding path program 2 times [2018-10-15 15:32:56,245 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-15 15:32:56,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-15 15:32:56,416 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-15 15:32:56,417 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-15 15:32:56,417 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-15 15:32:56,418 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-15 15:32:56,418 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-15 15:32:56,418 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-15 15:32:56,418 INFO L87 Difference]: Start difference. First operand 482 states and 499 transitions. Second operand 3 states. [2018-10-15 15:32:56,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-15 15:32:56,446 INFO L93 Difference]: Finished difference Result 836 states and 864 transitions. [2018-10-15 15:32:56,450 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-15 15:32:56,450 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 204 [2018-10-15 15:32:56,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-15 15:32:56,456 INFO L225 Difference]: With dead ends: 836 [2018-10-15 15:32:56,456 INFO L226 Difference]: Without dead ends: 836 [2018-10-15 15:32:56,457 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 15:32:56,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 836 states. [2018-10-15 15:32:56,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 836 to 809. [2018-10-15 15:32:56,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 809 states. [2018-10-15 15:32:56,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 809 states to 809 states and 838 transitions. [2018-10-15 15:32:56,477 INFO L78 Accepts]: Start accepts. Automaton has 809 states and 838 transitions. Word has length 204 [2018-10-15 15:32:56,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-15 15:32:56,478 INFO L481 AbstractCegarLoop]: Abstraction has 809 states and 838 transitions. [2018-10-15 15:32:56,478 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-15 15:32:56,478 INFO L276 IsEmpty]: Start isEmpty. Operand 809 states and 838 transitions. [2018-10-15 15:32:56,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2018-10-15 15:32:56,481 INFO L367 BasicCegarLoop]: Found error trace [2018-10-15 15:32:56,481 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:32:56,481 INFO L424 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-15 15:32:56,482 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-15 15:32:56,482 INFO L82 PathProgramCache]: Analyzing trace with hash -630256453, now seen corresponding path program 1 times [2018-10-15 15:32:56,483 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-15 15:32:56,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-15 15:32:56,859 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 9 proven. 19 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-10-15 15:32:56,859 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-15 15:32:56,860 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2018-10-15 15:32:56,860 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-15 15:32:56,860 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-15 15:32:56,860 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-15 15:32:56,861 INFO L87 Difference]: Start difference. First operand 809 states and 838 transitions. Second operand 4 states. [2018-10-15 15:32:57,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-15 15:32:57,010 INFO L93 Difference]: Finished difference Result 1217 states and 1254 transitions. [2018-10-15 15:32:57,013 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-15 15:32:57,013 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 205 [2018-10-15 15:32:57,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-15 15:32:57,019 INFO L225 Difference]: With dead ends: 1217 [2018-10-15 15:32:57,019 INFO L226 Difference]: Without dead ends: 1217 [2018-10-15 15:32:57,020 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-15 15:32:57,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1217 states. [2018-10-15 15:32:57,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1217 to 1213. [2018-10-15 15:32:57,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1213 states. [2018-10-15 15:32:57,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1213 states to 1213 states and 1250 transitions. [2018-10-15 15:32:57,043 INFO L78 Accepts]: Start accepts. Automaton has 1213 states and 1250 transitions. Word has length 205 [2018-10-15 15:32:57,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-15 15:32:57,044 INFO L481 AbstractCegarLoop]: Abstraction has 1213 states and 1250 transitions. [2018-10-15 15:32:57,044 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-15 15:32:57,044 INFO L276 IsEmpty]: Start isEmpty. Operand 1213 states and 1250 transitions. [2018-10-15 15:32:57,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2018-10-15 15:32:57,049 INFO L367 BasicCegarLoop]: Found error trace [2018-10-15 15:32:57,049 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 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] [2018-10-15 15:32:57,049 INFO L424 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-15 15:32:57,050 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-15 15:32:57,050 INFO L82 PathProgramCache]: Analyzing trace with hash -1502390639, now seen corresponding path program 2 times [2018-10-15 15:32:57,051 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-15 15:32:57,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-15 15:32:57,419 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 27 proven. 170 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-10-15 15:32:57,419 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-15 15:32:57,420 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2018-10-15 15:32:57,420 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-15 15:32:57,420 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-15 15:32:57,421 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-10-15 15:32:57,421 INFO L87 Difference]: Start difference. First operand 1213 states and 1250 transitions. Second operand 5 states. [2018-10-15 15:32:57,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-15 15:32:57,587 INFO L93 Difference]: Finished difference Result 1541 states and 1586 transitions. [2018-10-15 15:32:57,587 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-15 15:32:57,587 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 306 [2018-10-15 15:32:57,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-15 15:32:57,594 INFO L225 Difference]: With dead ends: 1541 [2018-10-15 15:32:57,594 INFO L226 Difference]: Without dead ends: 1541 [2018-10-15 15:32:57,595 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-15 15:32:57,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1541 states. [2018-10-15 15:32:57,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1541 to 1537. [2018-10-15 15:32:57,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1537 states. [2018-10-15 15:32:57,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1537 states to 1537 states and 1582 transitions. [2018-10-15 15:32:57,626 INFO L78 Accepts]: Start accepts. Automaton has 1537 states and 1582 transitions. Word has length 306 [2018-10-15 15:32:57,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-15 15:32:57,627 INFO L481 AbstractCegarLoop]: Abstraction has 1537 states and 1582 transitions. [2018-10-15 15:32:57,627 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-15 15:32:57,627 INFO L276 IsEmpty]: Start isEmpty. Operand 1537 states and 1582 transitions. [2018-10-15 15:32:57,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 408 [2018-10-15 15:32:57,632 INFO L367 BasicCegarLoop]: Found error trace [2018-10-15 15:32:57,633 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:32:57,633 INFO L424 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-15 15:32:57,633 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-15 15:32:57,634 INFO L82 PathProgramCache]: Analyzing trace with hash 1142114939, now seen corresponding path program 3 times [2018-10-15 15:32:57,637 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-15 15:32:57,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-15 15:32:58,209 WARN L179 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-10-15 15:32:58,432 WARN L179 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2018-10-15 15:32:58,668 WARN L179 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 17 [2018-10-15 15:32:58,813 WARN L179 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 23 [2018-10-15 15:32:59,268 INFO L134 CoverageAnalysis]: Checked inductivity of 625 backedges. 256 proven. 10 refuted. 0 times theorem prover too weak. 359 trivial. 0 not checked. [2018-10-15 15:32:59,269 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-15 15:32:59,269 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2018-10-15 15:32:59,269 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-10-15 15:32:59,270 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-10-15 15:32:59,270 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2018-10-15 15:32:59,270 INFO L87 Difference]: Start difference. First operand 1537 states and 1582 transitions. Second operand 10 states. [2018-10-15 15:33:00,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-15 15:33:00,604 INFO L93 Difference]: Finished difference Result 244 states and 243 transitions. [2018-10-15 15:33:00,604 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-10-15 15:33:00,604 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 407 [2018-10-15 15:33:00,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-15 15:33:00,605 INFO L225 Difference]: With dead ends: 244 [2018-10-15 15:33:00,605 INFO L226 Difference]: Without dead ends: 0 [2018-10-15 15:33:00,605 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=163, Invalid=437, Unknown=0, NotChecked=0, Total=600 [2018-10-15 15:33:00,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-15 15:33:00,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-15 15:33:00,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-15 15:33:00,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-15 15:33:00,606 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 407 [2018-10-15 15:33:00,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-15 15:33:00,607 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-15 15:33:00,607 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-10-15 15:33:00,607 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-15 15:33:00,607 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-15 15:33:00,612 INFO L202 PluginConnector]: Adding new model pals_lcr-var-start-time.3.1.ufo.BOUNDED-6.pals.c_9.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 03:33:00 BasicIcfg [2018-10-15 15:33:00,612 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-15 15:33:00,613 INFO L168 Benchmark]: Toolchain (without parser) took 8471.86 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 163.6 MB). Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: -66.8 MB). Peak memory consumption was 96.8 MB. Max. memory is 7.1 GB. [2018-10-15 15:33:00,615 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 15:33:00,615 INFO L168 Benchmark]: Boogie Preprocessor took 85.43 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 15:33:00,616 INFO L168 Benchmark]: RCFGBuilder took 1002.05 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 15:33:00,617 INFO L168 Benchmark]: IcfgTransformer took 35.72 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 15:33:00,617 INFO L168 Benchmark]: TraceAbstraction took 7343.30 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 163.6 MB). Free memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: -109.1 MB). Peak memory consumption was 54.5 MB. Max. memory is 7.1 GB. [2018-10-15 15:33:00,622 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 85.43 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 1002.05 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 35.72 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 7343.30 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 163.6 MB). Free memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: -109.1 MB). Peak memory consumption was 54.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 314]: 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, 174 locations, 1 error locations. SAFE Result, 7.2s OverallTime, 9 OverallIterations, 6 TraceHistogramMax, 3.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1815 SDtfs, 1230 SDslu, 3158 SDs, 0 SdLazy, 315 SolverSat, 26 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 72 GetRequests, 21 SyntacticMatches, 1 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 123 ImplicationChecksByTransitivity, 3.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1537occurred in iteration=8, 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, 186 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 1988 NumberOfCodeBlocks, 1988 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1979 ConstructedInterpolants, 0 QuantifiedInterpolants, 2287552 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 6 PerfectInterpolantSequences, 815/1014 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.3.1.ufo.BOUNDED-6.pals.c_9.bpl_heapsep-2018-09-18.epf_AutomizerBplTransformed.xml/Csv-Benchmark-0-2018-10-15_15-33-00-633.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/pals_lcr-var-start-time.3.1.ufo.BOUNDED-6.pals.c_9.bpl_heapsep-2018-09-18.epf_AutomizerBplTransformed.xml/Csv-TraceAbstractionBenchmarks-0-2018-10-15_15-33-00-633.csv Received shutdown request...