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/s3_srvr_2.cil.c_16.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d769cf3 [2018-10-15 15:34:46,735 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-15 15:34:46,737 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-15 15:34:46,748 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2018-10-15 15:34:46,796 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 15:34:46,814 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-15 15:34:46,815 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-15 15:34:46,816 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-15 15:34:46,816 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-10-15 15:34:46,817 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-10-15 15:34:46,817 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-15 15:34:46,817 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-15 15:34:46,818 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-10-15 15:34:46,818 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-15 15:34:46,819 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation [2018-10-15 15:34:46,819 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-15 15:34:46,819 INFO L133 SettingsManager]: * Order in Petri net unfolding=Ken McMillan [2018-10-15 15:34:46,819 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-15 15:34:46,820 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-10-15 15:34:46,820 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-10-15 15:34:46,874 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-15 15:34:46,890 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-15 15:34:46,894 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-15 15:34:46,896 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-15 15:34:46,896 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-15 15:34:46,897 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/s3_srvr_2.cil.c_16.bpl [2018-10-15 15:34:46,897 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/s3_srvr_2.cil.c_16.bpl' [2018-10-15 15:34:46,969 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-15 15:34:46,971 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-15 15:34:46,972 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-15 15:34:46,972 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-15 15:34:46,972 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-15 15:34:47,000 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "s3_srvr_2.cil.c_16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.10 03:34:46" (1/1) ... [2018-10-15 15:34:47,002 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "s3_srvr_2.cil.c_16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.10 03:34:46" (1/1) ... [2018-10-15 15:34:47,019 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "s3_srvr_2.cil.c_16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.10 03:34:46" (1/1) ... [2018-10-15 15:34:47,020 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "s3_srvr_2.cil.c_16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.10 03:34:46" (1/1) ... [2018-10-15 15:34:47,035 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "s3_srvr_2.cil.c_16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.10 03:34:46" (1/1) ... [2018-10-15 15:34:47,040 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "s3_srvr_2.cil.c_16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.10 03:34:46" (1/1) ... [2018-10-15 15:34:47,049 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "s3_srvr_2.cil.c_16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.10 03:34:46" (1/1) ... [2018-10-15 15:34:47,055 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-15 15:34:47,061 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-15 15:34:47,061 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-15 15:34:47,062 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-15 15:34:47,063 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "s3_srvr_2.cil.c_16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.10 03:34:46" (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 15:34:47,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-15 15:34:47,140 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-15 15:34:48,091 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-15 15:34:48,092 INFO L202 PluginConnector]: Adding new model s3_srvr_2.cil.c_16.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:34:48 BoogieIcfgContainer [2018-10-15 15:34:48,092 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-15 15:34:48,093 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2018-10-15 15:34:48,093 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2018-10-15 15:34:48,094 INFO L276 PluginConnector]: IcfgTransformer initialized [2018-10-15 15:34:48,099 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "s3_srvr_2.cil.c_16.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:34:48" (1/1) ... [2018-10-15 15:34:48,105 WARN L219 ansformationObserver]: HeapSeparator: input icfg has no '#valid' array -- returning unchanged Icfg! [2018-10-15 15:34:48,131 INFO L202 PluginConnector]: Adding new model s3_srvr_2.cil.c_16.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 15.10 03:34:48 BasicIcfg [2018-10-15 15:34:48,131 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2018-10-15 15:34:48,132 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-15 15:34:48,133 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-15 15:34:48,136 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-15 15:34:48,136 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "s3_srvr_2.cil.c_16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.10 03:34:46" (1/3) ... [2018-10-15 15:34:48,138 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1157580 and model type s3_srvr_2.cil.c_16.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 03:34:48, skipping insertion in model container [2018-10-15 15:34:48,138 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "s3_srvr_2.cil.c_16.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:34:48" (2/3) ... [2018-10-15 15:34:48,138 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1157580 and model type s3_srvr_2.cil.c_16.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 03:34:48, skipping insertion in model container [2018-10-15 15:34:48,139 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "s3_srvr_2.cil.c_16.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 15.10 03:34:48" (3/3) ... [2018-10-15 15:34:48,140 INFO L112 eAbstractionObserver]: Analyzing ICFG s3_srvr_2.cil.c_16.bplleft_unchanged_by_heapseparator [2018-10-15 15:34:48,151 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-10-15 15:34:48,163 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-15 15:34:48,181 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-15 15:34:48,218 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-10-15 15:34:48,219 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-15 15:34:48,219 INFO L383 AbstractCegarLoop]: Hoare is false [2018-10-15 15:34:48,219 INFO L384 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-10-15 15:34:48,219 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-15 15:34:48,220 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-15 15:34:48,220 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-15 15:34:48,220 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-15 15:34:48,220 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-15 15:34:48,256 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states. [2018-10-15 15:34:48,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-10-15 15:34:48,300 INFO L367 BasicCegarLoop]: Found error trace [2018-10-15 15:34:48,301 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] [2018-10-15 15:34:48,303 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-15 15:34:48,310 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-15 15:34:48,311 INFO L82 PathProgramCache]: Analyzing trace with hash 1127074710, now seen corresponding path program 1 times [2018-10-15 15:34:48,374 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-15 15:34:48,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-15 15:34:48,725 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 15:34:48,728 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-15 15:34:48,728 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-15 15:34:48,734 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-15 15:34:48,751 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-15 15:34:48,752 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-15 15:34:48,755 INFO L87 Difference]: Start difference. First operand 225 states. Second operand 3 states. [2018-10-15 15:34:49,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-15 15:34:49,015 INFO L93 Difference]: Finished difference Result 292 states and 301 transitions. [2018-10-15 15:34:49,017 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-15 15:34:49,018 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 181 [2018-10-15 15:34:49,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-15 15:34:49,045 INFO L225 Difference]: With dead ends: 292 [2018-10-15 15:34:49,045 INFO L226 Difference]: Without dead ends: 287 [2018-10-15 15:34:49,048 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 15:34:49,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2018-10-15 15:34:49,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 282. [2018-10-15 15:34:49,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 282 states. [2018-10-15 15:34:49,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 291 transitions. [2018-10-15 15:34:49,117 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 291 transitions. Word has length 181 [2018-10-15 15:34:49,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-15 15:34:49,118 INFO L481 AbstractCegarLoop]: Abstraction has 282 states and 291 transitions. [2018-10-15 15:34:49,119 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-15 15:34:49,119 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 291 transitions. [2018-10-15 15:34:49,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2018-10-15 15:34:49,127 INFO L367 BasicCegarLoop]: Found error trace [2018-10-15 15:34:49,128 INFO L375 BasicCegarLoop]: trace histogram [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, 1, 1] [2018-10-15 15:34:49,130 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-15 15:34:49,130 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-15 15:34:49,131 INFO L82 PathProgramCache]: Analyzing trace with hash 1258864015, now seen corresponding path program 1 times [2018-10-15 15:34:49,133 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-15 15:34:49,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-15 15:34:49,314 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-15 15:34:49,315 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-15 15:34:49,315 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-15 15:34:49,317 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-15 15:34:49,318 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-15 15:34:49,318 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-15 15:34:49,318 INFO L87 Difference]: Start difference. First operand 282 states and 291 transitions. Second operand 3 states. [2018-10-15 15:34:49,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-15 15:34:49,542 INFO L93 Difference]: Finished difference Result 299 states and 308 transitions. [2018-10-15 15:34:49,543 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-15 15:34:49,543 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 205 [2018-10-15 15:34:49,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-15 15:34:49,547 INFO L225 Difference]: With dead ends: 299 [2018-10-15 15:34:49,548 INFO L226 Difference]: Without dead ends: 299 [2018-10-15 15:34:49,549 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 15:34:49,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2018-10-15 15:34:49,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 299. [2018-10-15 15:34:49,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 299 states. [2018-10-15 15:34:49,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 308 transitions. [2018-10-15 15:34:49,568 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 308 transitions. Word has length 205 [2018-10-15 15:34:49,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-15 15:34:49,569 INFO L481 AbstractCegarLoop]: Abstraction has 299 states and 308 transitions. [2018-10-15 15:34:49,569 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-15 15:34:49,569 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 308 transitions. [2018-10-15 15:34:49,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2018-10-15 15:34:49,574 INFO L367 BasicCegarLoop]: Found error trace [2018-10-15 15:34:49,575 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1] [2018-10-15 15:34:49,575 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-15 15:34:49,575 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-15 15:34:49,576 INFO L82 PathProgramCache]: Analyzing trace with hash 589765356, now seen corresponding path program 1 times [2018-10-15 15:34:49,577 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-15 15:34:49,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-15 15:34:49,784 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-15 15:34:49,784 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-15 15:34:49,784 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-15 15:34:49,785 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-15 15:34:49,785 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-15 15:34:49,785 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-15 15:34:49,786 INFO L87 Difference]: Start difference. First operand 299 states and 308 transitions. Second operand 3 states. [2018-10-15 15:34:50,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-15 15:34:50,334 INFO L93 Difference]: Finished difference Result 335 states and 344 transitions. [2018-10-15 15:34:50,334 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-15 15:34:50,335 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 231 [2018-10-15 15:34:50,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-15 15:34:50,343 INFO L225 Difference]: With dead ends: 335 [2018-10-15 15:34:50,343 INFO L226 Difference]: Without dead ends: 335 [2018-10-15 15:34:50,344 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 15:34:50,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 335 states. [2018-10-15 15:34:50,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 335 to 335. [2018-10-15 15:34:50,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 335 states. [2018-10-15 15:34:50,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 335 states and 344 transitions. [2018-10-15 15:34:50,376 INFO L78 Accepts]: Start accepts. Automaton has 335 states and 344 transitions. Word has length 231 [2018-10-15 15:34:50,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-15 15:34:50,377 INFO L481 AbstractCegarLoop]: Abstraction has 335 states and 344 transitions. [2018-10-15 15:34:50,377 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-15 15:34:50,377 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 344 transitions. [2018-10-15 15:34:50,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2018-10-15 15:34:50,386 INFO L367 BasicCegarLoop]: Found error trace [2018-10-15 15:34:50,387 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 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] [2018-10-15 15:34:50,390 INFO L424 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-15 15:34:50,390 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-15 15:34:50,390 INFO L82 PathProgramCache]: Analyzing trace with hash -1153650373, now seen corresponding path program 1 times [2018-10-15 15:34:50,392 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-15 15:34:50,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-15 15:34:50,652 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 94 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-15 15:34:50,653 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-15 15:34:50,653 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-15 15:34:50,654 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-15 15:34:50,654 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-15 15:34:50,654 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-15 15:34:50,655 INFO L87 Difference]: Start difference. First operand 335 states and 344 transitions. Second operand 3 states. [2018-10-15 15:34:50,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-15 15:34:50,705 INFO L93 Difference]: Finished difference Result 381 states and 390 transitions. [2018-10-15 15:34:50,706 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-15 15:34:50,706 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 277 [2018-10-15 15:34:50,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-15 15:34:50,710 INFO L225 Difference]: With dead ends: 381 [2018-10-15 15:34:50,710 INFO L226 Difference]: Without dead ends: 381 [2018-10-15 15:34:50,711 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 15:34:50,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 381 states. [2018-10-15 15:34:50,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 381 to 381. [2018-10-15 15:34:50,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 381 states. [2018-10-15 15:34:50,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 390 transitions. [2018-10-15 15:34:50,723 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 390 transitions. Word has length 277 [2018-10-15 15:34:50,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-15 15:34:50,724 INFO L481 AbstractCegarLoop]: Abstraction has 381 states and 390 transitions. [2018-10-15 15:34:50,724 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-15 15:34:50,724 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 390 transitions. [2018-10-15 15:34:50,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2018-10-15 15:34:50,729 INFO L367 BasicCegarLoop]: Found error trace [2018-10-15 15:34:50,729 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 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 15:34:50,730 INFO L424 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-15 15:34:50,730 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-15 15:34:50,730 INFO L82 PathProgramCache]: Analyzing trace with hash -1221994067, now seen corresponding path program 1 times [2018-10-15 15:34:50,731 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-15 15:34:50,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-15 15:34:50,940 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2018-10-15 15:34:50,940 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-15 15:34:50,940 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-15 15:34:50,941 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-15 15:34:50,941 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-15 15:34:50,941 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-15 15:34:50,942 INFO L87 Difference]: Start difference. First operand 381 states and 390 transitions. Second operand 3 states. [2018-10-15 15:34:51,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-15 15:34:51,047 INFO L93 Difference]: Finished difference Result 450 states and 465 transitions. [2018-10-15 15:34:51,048 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-15 15:34:51,048 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 278 [2018-10-15 15:34:51,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-15 15:34:51,051 INFO L225 Difference]: With dead ends: 450 [2018-10-15 15:34:51,051 INFO L226 Difference]: Without dead ends: 450 [2018-10-15 15:34:51,051 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 15:34:51,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 450 states. [2018-10-15 15:34:51,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 450 to 440. [2018-10-15 15:34:51,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 440 states. [2018-10-15 15:34:51,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 440 states and 454 transitions. [2018-10-15 15:34:51,062 INFO L78 Accepts]: Start accepts. Automaton has 440 states and 454 transitions. Word has length 278 [2018-10-15 15:34:51,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-15 15:34:51,062 INFO L481 AbstractCegarLoop]: Abstraction has 440 states and 454 transitions. [2018-10-15 15:34:51,062 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-15 15:34:51,063 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 454 transitions. [2018-10-15 15:34:51,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2018-10-15 15:34:51,064 INFO L367 BasicCegarLoop]: Found error trace [2018-10-15 15:34:51,065 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 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 15:34:51,065 INFO L424 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-15 15:34:51,065 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-15 15:34:51,066 INFO L82 PathProgramCache]: Analyzing trace with hash 804302501, now seen corresponding path program 1 times [2018-10-15 15:34:51,066 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-15 15:34:51,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-15 15:34:51,205 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-10-15 15:34:51,206 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-15 15:34:51,206 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-15 15:34:51,206 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-15 15:34:51,207 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-15 15:34:51,207 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-15 15:34:51,207 INFO L87 Difference]: Start difference. First operand 440 states and 454 transitions. Second operand 3 states. [2018-10-15 15:34:51,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-15 15:34:51,297 INFO L93 Difference]: Finished difference Result 444 states and 458 transitions. [2018-10-15 15:34:51,297 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-15 15:34:51,298 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 278 [2018-10-15 15:34:51,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-15 15:34:51,300 INFO L225 Difference]: With dead ends: 444 [2018-10-15 15:34:51,300 INFO L226 Difference]: Without dead ends: 444 [2018-10-15 15:34:51,301 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 15:34:51,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 444 states. [2018-10-15 15:34:51,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 444 to 444. [2018-10-15 15:34:51,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 444 states. [2018-10-15 15:34:51,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 444 states and 458 transitions. [2018-10-15 15:34:51,309 INFO L78 Accepts]: Start accepts. Automaton has 444 states and 458 transitions. Word has length 278 [2018-10-15 15:34:51,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-15 15:34:51,310 INFO L481 AbstractCegarLoop]: Abstraction has 444 states and 458 transitions. [2018-10-15 15:34:51,310 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-15 15:34:51,310 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 458 transitions. [2018-10-15 15:34:51,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 352 [2018-10-15 15:34:51,312 INFO L367 BasicCegarLoop]: Found error trace [2018-10-15 15:34:51,313 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-10-15 15:34:51,313 INFO L424 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-15 15:34:51,313 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-15 15:34:51,313 INFO L82 PathProgramCache]: Analyzing trace with hash -714324921, now seen corresponding path program 1 times [2018-10-15 15:34:51,314 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-15 15:34:51,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-15 15:34:51,450 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 228 proven. 0 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2018-10-15 15:34:51,450 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-15 15:34:51,450 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-15 15:34:51,451 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-15 15:34:51,451 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-15 15:34:51,451 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-15 15:34:51,452 INFO L87 Difference]: Start difference. First operand 444 states and 458 transitions. Second operand 3 states. [2018-10-15 15:34:51,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-15 15:34:51,628 INFO L93 Difference]: Finished difference Result 558 states and 572 transitions. [2018-10-15 15:34:51,637 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-15 15:34:51,637 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 351 [2018-10-15 15:34:51,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-15 15:34:51,640 INFO L225 Difference]: With dead ends: 558 [2018-10-15 15:34:51,640 INFO L226 Difference]: Without dead ends: 558 [2018-10-15 15:34:51,641 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 15:34:51,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 558 states. [2018-10-15 15:34:51,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 558 to 552. [2018-10-15 15:34:51,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 552 states. [2018-10-15 15:34:51,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 552 states and 566 transitions. [2018-10-15 15:34:51,651 INFO L78 Accepts]: Start accepts. Automaton has 552 states and 566 transitions. Word has length 351 [2018-10-15 15:34:51,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-15 15:34:51,652 INFO L481 AbstractCegarLoop]: Abstraction has 552 states and 566 transitions. [2018-10-15 15:34:51,652 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-15 15:34:51,652 INFO L276 IsEmpty]: Start isEmpty. Operand 552 states and 566 transitions. [2018-10-15 15:34:51,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 399 [2018-10-15 15:34:51,655 INFO L367 BasicCegarLoop]: Found error trace [2018-10-15 15:34:51,655 INFO L375 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2018-10-15 15:34:51,656 INFO L424 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-15 15:34:51,656 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-15 15:34:51,656 INFO L82 PathProgramCache]: Analyzing trace with hash -821480246, now seen corresponding path program 1 times [2018-10-15 15:34:51,657 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-15 15:34:51,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-15 15:34:51,848 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 323 proven. 0 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2018-10-15 15:34:51,849 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-15 15:34:51,849 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-15 15:34:51,850 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-15 15:34:51,850 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-15 15:34:51,850 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-15 15:34:51,850 INFO L87 Difference]: Start difference. First operand 552 states and 566 transitions. Second operand 3 states. [2018-10-15 15:34:52,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-15 15:34:52,238 INFO L93 Difference]: Finished difference Result 666 states and 680 transitions. [2018-10-15 15:34:52,240 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-15 15:34:52,240 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 398 [2018-10-15 15:34:52,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-15 15:34:52,243 INFO L225 Difference]: With dead ends: 666 [2018-10-15 15:34:52,244 INFO L226 Difference]: Without dead ends: 633 [2018-10-15 15:34:52,244 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 15:34:52,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 633 states. [2018-10-15 15:34:52,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 633 to 633. [2018-10-15 15:34:52,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 633 states. [2018-10-15 15:34:52,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 633 states to 633 states and 647 transitions. [2018-10-15 15:34:52,256 INFO L78 Accepts]: Start accepts. Automaton has 633 states and 647 transitions. Word has length 398 [2018-10-15 15:34:52,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-15 15:34:52,257 INFO L481 AbstractCegarLoop]: Abstraction has 633 states and 647 transitions. [2018-10-15 15:34:52,257 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-15 15:34:52,257 INFO L276 IsEmpty]: Start isEmpty. Operand 633 states and 647 transitions. [2018-10-15 15:34:52,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 428 [2018-10-15 15:34:52,264 INFO L367 BasicCegarLoop]: Found error trace [2018-10-15 15:34:52,264 INFO L375 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2018-10-15 15:34:52,265 INFO L424 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-15 15:34:52,265 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-15 15:34:52,265 INFO L82 PathProgramCache]: Analyzing trace with hash -607767911, now seen corresponding path program 1 times [2018-10-15 15:34:52,266 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-15 15:34:52,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-15 15:34:52,656 INFO L134 CoverageAnalysis]: Checked inductivity of 619 backedges. 460 proven. 17 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2018-10-15 15:34:52,657 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-15 15:34:52,657 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2018-10-15 15:34:52,658 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-15 15:34:52,658 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-15 15:34:52,658 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-15 15:34:52,659 INFO L87 Difference]: Start difference. First operand 633 states and 647 transitions. Second operand 4 states. [2018-10-15 15:34:54,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-15 15:34:54,711 INFO L93 Difference]: Finished difference Result 609 states and 615 transitions. [2018-10-15 15:34:54,712 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-15 15:34:54,712 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 427 [2018-10-15 15:34:54,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-15 15:34:54,713 INFO L225 Difference]: With dead ends: 609 [2018-10-15 15:34:54,713 INFO L226 Difference]: Without dead ends: 0 [2018-10-15 15:34:54,713 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-10-15 15:34:54,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-15 15:34:54,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-15 15:34:54,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-15 15:34:54,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-15 15:34:54,720 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 427 [2018-10-15 15:34:54,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-15 15:34:54,720 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-15 15:34:54,720 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-15 15:34:54,720 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-15 15:34:54,720 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-15 15:34:54,732 INFO L202 PluginConnector]: Adding new model s3_srvr_2.cil.c_16.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 03:34:54 BasicIcfg [2018-10-15 15:34:54,732 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-15 15:34:54,733 INFO L168 Benchmark]: Toolchain (without parser) took 7763.02 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 191.9 MB). Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: -62.0 MB). Peak memory consumption was 129.9 MB. Max. memory is 7.1 GB. [2018-10-15 15:34:54,735 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 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 15:34:54,737 INFO L168 Benchmark]: Boogie Preprocessor took 84.07 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 15:34:54,737 INFO L168 Benchmark]: RCFGBuilder took 1031.00 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 15:34:54,739 INFO L168 Benchmark]: IcfgTransformer took 38.75 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 15:34:54,741 INFO L168 Benchmark]: TraceAbstraction took 6599.50 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 191.9 MB). Free memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: -104.3 MB). Peak memory consumption was 87.6 MB. Max. memory is 7.1 GB. [2018-10-15 15:34:54,748 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 0.21 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 84.07 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 1031.00 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 38.75 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 6599.50 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 191.9 MB). Free memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: -104.3 MB). Peak memory consumption was 87.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 399]: 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, 225 locations, 1 error locations. SAFE Result, 6.5s OverallTime, 9 OverallIterations, 8 TraceHistogramMax, 4.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2168 SDtfs, 230 SDslu, 1904 SDs, 0 SdLazy, 523 SolverSat, 33 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 30 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=633occurred 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: 0.1s AutomataMinimizationTime, 9 MinimizatonAttempts, 21 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 2626 NumberOfCodeBlocks, 2626 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 2617 ConstructedInterpolants, 0 QuantifiedInterpolants, 996249 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 8 PerfectInterpolantSequences, 1743/1760 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/s3_srvr_2.cil.c_16.bpl_heapsep-2018-09-18.epf_AutomizerBplTransformed.xml/Csv-Benchmark-0-2018-10-15_15-34-54-768.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/s3_srvr_2.cil.c_16.bpl_heapsep-2018-09-18.epf_AutomizerBplTransformed.xml/Csv-TraceAbstractionBenchmarks-0-2018-10-15_15-34-54-768.csv Received shutdown request...