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/KojakBplInline.xml -s ../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Kojak_Default.epf -i ../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/down.i_4.bplTransformedIcfg_BEv2_5.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-9f4048f [2018-10-04 13:07:40,319 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-04 13:07:40,321 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-04 13:07:40,332 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-04 13:07:40,333 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-04 13:07:40,334 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-04 13:07:40,335 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-04 13:07:40,337 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-04 13:07:40,338 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-04 13:07:40,339 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-04 13:07:40,340 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-04 13:07:40,340 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-04 13:07:40,341 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-04 13:07:40,345 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-04 13:07:40,347 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-04 13:07:40,349 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-04 13:07:40,350 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-04 13:07:40,352 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-04 13:07:40,353 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-04 13:07:40,355 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-04 13:07:40,356 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-04 13:07:40,357 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-04 13:07:40,359 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-04 13:07:40,359 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-04 13:07:40,360 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-04 13:07:40,360 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-04 13:07:40,361 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-04 13:07:40,362 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-04 13:07:40,363 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-04 13:07:40,364 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-04 13:07:40,364 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-04 13:07:40,365 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-04 13:07:40,365 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-04 13:07:40,365 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-04 13:07:40,366 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-04 13:07:40,367 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-04 13:07:40,367 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Kojak_Default.epf [2018-10-04 13:07:40,382 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-04 13:07:40,382 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-04 13:07:40,383 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-04 13:07:40,383 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-04 13:07:40,384 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-04 13:07:40,384 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-04 13:07:40,385 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-04 13:07:40,385 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-04 13:07:40,385 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-04 13:07:40,385 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-04 13:07:40,385 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-04 13:07:40,386 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-04 13:07:40,386 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-04 13:07:40,386 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-04 13:07:40,386 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-04 13:07:40,386 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-04 13:07:40,386 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-04 13:07:40,387 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-04 13:07:40,387 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-04 13:07:40,387 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-04 13:07:40,387 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-04 13:07:40,387 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-04 13:07:40,388 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-04 13:07:40,388 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-04 13:07:40,388 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-04 13:07:40,388 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-04 13:07:40,388 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-04 13:07:40,389 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-04 13:07:40,389 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-04 13:07:40,442 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-04 13:07:40,458 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-04 13:07:40,464 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-04 13:07:40,466 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-04 13:07:40,467 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-04 13:07:40,467 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/down.i_4.bplTransformedIcfg_BEv2_5.bpl [2018-10-04 13:07:40,468 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/down.i_4.bplTransformedIcfg_BEv2_5.bpl' [2018-10-04 13:07:40,531 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-04 13:07:40,533 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-04 13:07:40,534 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-04 13:07:40,534 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-04 13:07:40,534 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-04 13:07:40,556 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "down.i_4.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:07:40" (1/1) ... [2018-10-04 13:07:40,568 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "down.i_4.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:07:40" (1/1) ... [2018-10-04 13:07:40,575 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-04 13:07:40,576 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-04 13:07:40,576 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-04 13:07:40,576 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-04 13:07:40,587 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "down.i_4.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:07:40" (1/1) ... [2018-10-04 13:07:40,587 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "down.i_4.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:07:40" (1/1) ... [2018-10-04 13:07:40,590 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "down.i_4.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:07:40" (1/1) ... [2018-10-04 13:07:40,590 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "down.i_4.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:07:40" (1/1) ... [2018-10-04 13:07:40,595 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "down.i_4.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:07:40" (1/1) ... [2018-10-04 13:07:40,597 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "down.i_4.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:07:40" (1/1) ... [2018-10-04 13:07:40,598 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "down.i_4.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:07:40" (1/1) ... [2018-10-04 13:07:40,600 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-04 13:07:40,601 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-04 13:07:40,601 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-04 13:07:40,601 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-04 13:07:40,603 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "down.i_4.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:07:40" (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:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-04 13:07:40,671 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-10-04 13:07:40,671 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-04 13:07:40,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-04 13:07:41,092 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-04 13:07:41,093 INFO L202 PluginConnector]: Adding new model down.i_4.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 01:07:41 BoogieIcfgContainer [2018-10-04 13:07:41,093 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-04 13:07:41,094 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-04 13:07:41,094 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-04 13:07:41,106 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-04 13:07:41,106 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "down.i_4.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 01:07:41" (1/1) ... [2018-10-04 13:07:41,119 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-04 13:07:41,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:07:41,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2018-10-04 13:07:41,154 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2018-10-04 13:07:41,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-10-04 13:07:41,157 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:07:41,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:07:41,381 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:07:41,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:07:41,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 8 states and 12 transitions. [2018-10-04 13:07:41,547 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 12 transitions. [2018-10-04 13:07:41,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-10-04 13:07:41,548 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:07:41,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:07:41,660 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:07:42,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:07:42,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 10 states and 17 transitions. [2018-10-04 13:07:42,734 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 17 transitions. [2018-10-04 13:07:42,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-04 13:07:42,741 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:07:42,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:07:42,927 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:07:43,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:07:43,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 13 states and 24 transitions. [2018-10-04 13:07:43,560 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 24 transitions. [2018-10-04 13:07:43,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-10-04 13:07:43,561 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:07:43,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:07:43,658 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:07:44,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:07:44,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 15 states and 27 transitions. [2018-10-04 13:07:44,335 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 27 transitions. [2018-10-04 13:07:44,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-04 13:07:44,336 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:07:44,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:07:44,471 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:07:45,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:07:45,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 18 states and 35 transitions. [2018-10-04 13:07:45,023 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 35 transitions. [2018-10-04 13:07:45,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-04 13:07:45,023 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:07:45,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:07:45,161 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:07:46,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:07:46,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 20 states and 38 transitions. [2018-10-04 13:07:46,061 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 38 transitions. [2018-10-04 13:07:46,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-04 13:07:46,062 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:07:46,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:07:46,220 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:07:47,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:07:47,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 23 states and 47 transitions. [2018-10-04 13:07:47,069 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 47 transitions. [2018-10-04 13:07:47,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-04 13:07:47,070 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:07:47,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:07:47,196 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:07:47,895 WARN L178 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 8 DAG size of output: 7 [2018-10-04 13:07:49,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:07:49,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 25 states and 50 transitions. [2018-10-04 13:07:49,488 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 50 transitions. [2018-10-04 13:07:49,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-04 13:07:49,489 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:07:49,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:07:49,949 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 20 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:07:51,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:07:51,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 28 states and 60 transitions. [2018-10-04 13:07:51,282 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 60 transitions. [2018-10-04 13:07:51,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-04 13:07:51,283 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:07:51,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:07:51,404 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 15 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:07:52,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:07:52,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 30 states and 63 transitions. [2018-10-04 13:07:52,528 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 63 transitions. [2018-10-04 13:07:52,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-04 13:07:52,529 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:07:52,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:07:52,765 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 30 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:07:53,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:07:53,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 33 states and 74 transitions. [2018-10-04 13:07:53,651 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 74 transitions. [2018-10-04 13:07:53,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-04 13:07:53,652 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:07:53,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:07:53,772 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 21 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:07:54,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:07:54,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 35 states and 77 transitions. [2018-10-04 13:07:54,598 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 77 transitions. [2018-10-04 13:07:54,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-10-04 13:07:54,599 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:07:54,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:07:54,800 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 42 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:07:56,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:07:56,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 38 states and 89 transitions. [2018-10-04 13:07:56,081 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 89 transitions. [2018-10-04 13:07:56,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-10-04 13:07:56,082 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:07:56,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:07:56,365 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 28 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:07:57,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:07:57,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 40 states and 92 transitions. [2018-10-04 13:07:57,462 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 92 transitions. [2018-10-04 13:07:57,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-10-04 13:07:57,463 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:07:57,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:07:58,475 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 56 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:07:59,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:07:59,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 43 states and 105 transitions. [2018-10-04 13:07:59,710 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 105 transitions. [2018-10-04 13:07:59,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-10-04 13:07:59,711 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:07:59,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:08:00,280 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 36 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:08:01,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:08:01,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 45 states and 108 transitions. [2018-10-04 13:08:01,792 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 108 transitions. [2018-10-04 13:08:01,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-10-04 13:08:01,794 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:08:01,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:08:02,060 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 72 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:08:03,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:08:03,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 48 states and 122 transitions. [2018-10-04 13:08:03,405 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 122 transitions. [2018-10-04 13:08:03,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-10-04 13:08:03,406 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:08:03,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:08:03,634 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 45 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:08:04,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:08:04,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 50 states and 125 transitions. [2018-10-04 13:08:04,807 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 125 transitions. [2018-10-04 13:08:04,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-10-04 13:08:04,808 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:08:04,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:08:05,112 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 90 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:08:06,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:08:06,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 53 states and 140 transitions. [2018-10-04 13:08:06,705 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 140 transitions. [2018-10-04 13:08:06,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-10-04 13:08:06,706 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:08:06,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:08:06,909 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 55 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:08:08,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:08:08,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 55 states and 143 transitions. [2018-10-04 13:08:08,283 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 143 transitions. [2018-10-04 13:08:08,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-10-04 13:08:08,284 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:08:08,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:08:08,663 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 110 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:08:10,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:08:10,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 58 states and 159 transitions. [2018-10-04 13:08:10,325 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 159 transitions. [2018-10-04 13:08:10,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-10-04 13:08:10,326 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:08:10,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:08:10,794 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 66 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:08:12,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:08:12,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 60 states and 162 transitions. [2018-10-04 13:08:12,640 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 162 transitions. [2018-10-04 13:08:12,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-10-04 13:08:12,641 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:08:12,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:08:13,662 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 132 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:08:15,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:08:15,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 63 states and 179 transitions. [2018-10-04 13:08:15,520 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 179 transitions. [2018-10-04 13:08:15,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-10-04 13:08:15,521 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:08:15,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:08:16,480 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 78 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:08:17,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:08:17,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 65 states and 182 transitions. [2018-10-04 13:08:17,995 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 182 transitions. [2018-10-04 13:08:17,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-10-04 13:08:17,995 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:08:18,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:08:18,405 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 156 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:08:20,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:08:20,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 68 states and 200 transitions. [2018-10-04 13:08:20,178 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 200 transitions. [2018-10-04 13:08:20,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-10-04 13:08:20,179 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:08:20,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:08:20,401 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 91 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:08:22,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:08:22,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 70 states and 203 transitions. [2018-10-04 13:08:22,256 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 203 transitions. [2018-10-04 13:08:22,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-10-04 13:08:22,256 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:08:22,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:08:22,852 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 182 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:08:24,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:08:24,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 73 states and 222 transitions. [2018-10-04 13:08:24,769 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 222 transitions. [2018-10-04 13:08:24,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-10-04 13:08:24,770 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:08:24,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:08:25,103 INFO L134 CoverageAnalysis]: Checked inductivity of 287 backedges. 105 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:08:27,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:08:27,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 75 states and 225 transitions. [2018-10-04 13:08:27,203 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 225 transitions. [2018-10-04 13:08:27,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-10-04 13:08:27,203 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:08:27,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:08:27,633 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 210 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:08:29,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:08:29,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 78 states and 245 transitions. [2018-10-04 13:08:29,749 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 245 transitions. [2018-10-04 13:08:29,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-10-04 13:08:29,750 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:08:29,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:08:29,990 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 120 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:08:32,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:08:32,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 80 states and 248 transitions. [2018-10-04 13:08:32,213 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 248 transitions. [2018-10-04 13:08:32,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-10-04 13:08:32,213 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:08:32,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:08:32,624 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 240 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:08:34,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:08:34,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 83 states and 269 transitions. [2018-10-04 13:08:34,817 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 269 transitions. [2018-10-04 13:08:34,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-10-04 13:08:34,818 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:08:34,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:08:35,382 INFO L134 CoverageAnalysis]: Checked inductivity of 376 backedges. 136 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:08:37,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:08:37,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 85 states and 272 transitions. [2018-10-04 13:08:37,774 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 272 transitions. [2018-10-04 13:08:37,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-10-04 13:08:37,775 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:08:37,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:08:38,661 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 272 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:08:41,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:08:41,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 88 states and 294 transitions. [2018-10-04 13:08:41,086 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 294 transitions. [2018-10-04 13:08:41,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-10-04 13:08:41,087 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:08:41,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:08:41,508 INFO L134 CoverageAnalysis]: Checked inductivity of 425 backedges. 153 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:08:43,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:08:43,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 90 states and 297 transitions. [2018-10-04 13:08:43,949 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 297 transitions. [2018-10-04 13:08:43,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-10-04 13:08:43,950 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:08:43,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:08:44,510 INFO L134 CoverageAnalysis]: Checked inductivity of 459 backedges. 306 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:08:47,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:08:47,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 93 states and 320 transitions. [2018-10-04 13:08:47,134 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 320 transitions. [2018-10-04 13:08:47,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-10-04 13:08:47,135 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:08:47,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:08:47,486 INFO L134 CoverageAnalysis]: Checked inductivity of 477 backedges. 171 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:08:49,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:08:49,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 95 states and 323 transitions. [2018-10-04 13:08:49,952 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 323 transitions. [2018-10-04 13:08:49,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-10-04 13:08:49,953 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:08:49,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:08:51,306 INFO L134 CoverageAnalysis]: Checked inductivity of 513 backedges. 342 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:08:54,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:08:54,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 98 states and 347 transitions. [2018-10-04 13:08:54,191 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 347 transitions. [2018-10-04 13:08:54,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-10-04 13:08:54,192 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:08:54,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:08:54,481 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 190 proven. 342 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:08:56,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:08:56,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 100 states and 350 transitions. [2018-10-04 13:08:56,947 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 350 transitions. [2018-10-04 13:08:56,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-10-04 13:08:56,947 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:08:56,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:08:57,668 INFO L134 CoverageAnalysis]: Checked inductivity of 570 backedges. 380 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:09:00,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:09:00,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 103 states and 375 transitions. [2018-10-04 13:09:00,417 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 375 transitions. [2018-10-04 13:09:00,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-10-04 13:09:00,417 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:09:00,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:09:00,795 INFO L134 CoverageAnalysis]: Checked inductivity of 590 backedges. 210 proven. 380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:09:03,624 WARN L178 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 8 DAG size of output: 7 [2018-10-04 13:09:12,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:09:12,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 105 states and 378 transitions. [2018-10-04 13:09:12,196 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 378 transitions. [2018-10-04 13:09:12,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-10-04 13:09:12,197 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:09:12,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:09:12,987 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 420 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:09:15,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:09:15,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 108 states and 404 transitions. [2018-10-04 13:09:15,940 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 404 transitions. [2018-10-04 13:09:15,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-10-04 13:09:15,940 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:09:15,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:09:16,263 INFO L134 CoverageAnalysis]: Checked inductivity of 651 backedges. 231 proven. 420 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:09:19,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:09:19,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 110 states and 407 transitions. [2018-10-04 13:09:19,118 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 407 transitions. [2018-10-04 13:09:19,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-10-04 13:09:19,119 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:09:19,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:09:19,756 INFO L134 CoverageAnalysis]: Checked inductivity of 693 backedges. 462 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:09:22,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:09:22,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 113 states and 434 transitions. [2018-10-04 13:09:22,969 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 434 transitions. [2018-10-04 13:09:22,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-10-04 13:09:22,970 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:09:22,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:09:23,360 INFO L134 CoverageAnalysis]: Checked inductivity of 715 backedges. 253 proven. 462 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:09:26,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:09:26,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 115 states and 437 transitions. [2018-10-04 13:09:26,048 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 437 transitions. [2018-10-04 13:09:26,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-10-04 13:09:26,049 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:09:26,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:09:26,670 INFO L134 CoverageAnalysis]: Checked inductivity of 759 backedges. 506 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:09:30,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:09:30,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 118 states and 465 transitions. [2018-10-04 13:09:30,195 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 465 transitions. [2018-10-04 13:09:30,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-10-04 13:09:30,196 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:09:30,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:09:30,632 INFO L134 CoverageAnalysis]: Checked inductivity of 782 backedges. 276 proven. 506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:09:33,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:09:33,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 120 states and 468 transitions. [2018-10-04 13:09:33,797 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 468 transitions. [2018-10-04 13:09:33,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-10-04 13:09:33,797 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:09:33,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:09:35,996 INFO L134 CoverageAnalysis]: Checked inductivity of 828 backedges. 552 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:09:39,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:09:39,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 123 states and 497 transitions. [2018-10-04 13:09:39,584 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 497 transitions. [2018-10-04 13:09:39,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-10-04 13:09:39,584 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:09:39,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:09:39,950 INFO L134 CoverageAnalysis]: Checked inductivity of 852 backedges. 300 proven. 552 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:09:42,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:09:42,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 125 states and 500 transitions. [2018-10-04 13:09:42,928 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 500 transitions. [2018-10-04 13:09:42,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-10-04 13:09:42,928 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:09:42,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:09:43,947 INFO L134 CoverageAnalysis]: Checked inductivity of 900 backedges. 600 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:09:47,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:09:47,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 128 states and 530 transitions. [2018-10-04 13:09:47,421 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 530 transitions. [2018-10-04 13:09:47,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-10-04 13:09:47,421 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:09:47,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:09:48,229 INFO L134 CoverageAnalysis]: Checked inductivity of 925 backedges. 325 proven. 600 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:09:51,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:09:51,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 130 states and 533 transitions. [2018-10-04 13:09:51,705 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 533 transitions. [2018-10-04 13:09:51,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-10-04 13:09:51,706 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:09:51,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:09:53,877 INFO L134 CoverageAnalysis]: Checked inductivity of 975 backedges. 650 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:09:57,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:09:57,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 133 states and 564 transitions. [2018-10-04 13:09:57,498 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 564 transitions. [2018-10-04 13:09:57,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-10-04 13:09:57,498 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:09:57,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:09:58,485 INFO L134 CoverageAnalysis]: Checked inductivity of 1001 backedges. 351 proven. 650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:10:01,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:10:01,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 567 states to 135 states and 567 transitions. [2018-10-04 13:10:01,982 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 567 transitions. [2018-10-04 13:10:01,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-10-04 13:10:01,983 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:10:01,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:10:03,474 INFO L134 CoverageAnalysis]: Checked inductivity of 1053 backedges. 702 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:10:07,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:10:07,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 138 states and 599 transitions. [2018-10-04 13:10:07,453 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 599 transitions. [2018-10-04 13:10:07,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-10-04 13:10:07,454 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:10:07,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:10:08,677 INFO L134 CoverageAnalysis]: Checked inductivity of 1080 backedges. 378 proven. 702 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:10:12,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:10:12,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 140 states and 602 transitions. [2018-10-04 13:10:12,275 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 602 transitions. [2018-10-04 13:10:12,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-10-04 13:10:12,276 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:10:12,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:10:13,091 INFO L134 CoverageAnalysis]: Checked inductivity of 1134 backedges. 756 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:10:17,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:10:17,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 143 states and 635 transitions. [2018-10-04 13:10:17,323 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 635 transitions. [2018-10-04 13:10:17,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-10-04 13:10:17,323 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:10:17,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:10:17,782 INFO L134 CoverageAnalysis]: Checked inductivity of 1162 backedges. 406 proven. 756 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:10:21,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:10:21,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 638 states to 145 states and 638 transitions. [2018-10-04 13:10:21,485 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 638 transitions. [2018-10-04 13:10:21,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-10-04 13:10:21,486 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:10:21,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:10:22,200 INFO L134 CoverageAnalysis]: Checked inductivity of 1218 backedges. 812 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:10:26,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:10:26,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 672 states to 148 states and 672 transitions. [2018-10-04 13:10:26,540 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 672 transitions. [2018-10-04 13:10:26,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-10-04 13:10:26,541 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:10:26,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:10:26,965 INFO L134 CoverageAnalysis]: Checked inductivity of 1247 backedges. 435 proven. 812 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:10:30,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:10:30,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 675 states to 150 states and 675 transitions. [2018-10-04 13:10:30,818 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 675 transitions. [2018-10-04 13:10:30,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-10-04 13:10:30,818 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:10:30,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:10:31,712 INFO L134 CoverageAnalysis]: Checked inductivity of 1305 backedges. 870 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:10:36,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:10:36,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 710 states to 153 states and 710 transitions. [2018-10-04 13:10:36,166 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 710 transitions. [2018-10-04 13:10:36,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-10-04 13:10:36,166 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:10:36,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:10:36,611 INFO L134 CoverageAnalysis]: Checked inductivity of 1335 backedges. 465 proven. 870 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:10:40,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:10:40,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 713 states to 155 states and 713 transitions. [2018-10-04 13:10:40,602 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 713 transitions. [2018-10-04 13:10:40,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-10-04 13:10:40,602 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:10:40,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:10:41,631 INFO L134 CoverageAnalysis]: Checked inductivity of 1395 backedges. 930 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:10:46,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:10:46,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 749 states to 158 states and 749 transitions. [2018-10-04 13:10:46,282 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 749 transitions. [2018-10-04 13:10:46,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-10-04 13:10:46,283 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:10:46,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:10:46,913 INFO L134 CoverageAnalysis]: Checked inductivity of 1426 backedges. 496 proven. 930 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:10:51,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:10:51,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 752 states to 160 states and 752 transitions. [2018-10-04 13:10:51,081 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 752 transitions. [2018-10-04 13:10:51,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-10-04 13:10:51,082 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:10:51,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:10:52,056 INFO L134 CoverageAnalysis]: Checked inductivity of 1488 backedges. 992 proven. 496 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:10:56,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:10:56,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 789 states to 163 states and 789 transitions. [2018-10-04 13:10:56,699 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 789 transitions. [2018-10-04 13:10:56,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-10-04 13:10:56,700 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:10:56,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:10:57,225 INFO L134 CoverageAnalysis]: Checked inductivity of 1520 backedges. 528 proven. 992 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:11:01,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:11:01,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 792 states to 165 states and 792 transitions. [2018-10-04 13:11:01,556 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 792 transitions. [2018-10-04 13:11:01,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-10-04 13:11:01,556 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:11:01,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:11:02,396 INFO L134 CoverageAnalysis]: Checked inductivity of 1584 backedges. 1056 proven. 528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:11:07,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:11:07,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 830 states to 168 states and 830 transitions. [2018-10-04 13:11:07,100 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 830 transitions. [2018-10-04 13:11:07,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-10-04 13:11:07,101 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:11:07,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:11:07,539 INFO L134 CoverageAnalysis]: Checked inductivity of 1617 backedges. 561 proven. 1056 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:11:11,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:11:11,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 833 states to 170 states and 833 transitions. [2018-10-04 13:11:11,990 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 833 transitions. [2018-10-04 13:11:11,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-10-04 13:11:11,991 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:11:12,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:11:12,893 INFO L134 CoverageAnalysis]: Checked inductivity of 1683 backedges. 1122 proven. 561 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:11:17,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:11:17,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 872 states to 173 states and 872 transitions. [2018-10-04 13:11:17,876 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 872 transitions. [2018-10-04 13:11:17,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-10-04 13:11:17,876 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:11:17,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:11:18,339 INFO L134 CoverageAnalysis]: Checked inductivity of 1717 backedges. 595 proven. 1122 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:11:22,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:11:22,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 875 states to 175 states and 875 transitions. [2018-10-04 13:11:22,921 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 875 transitions. [2018-10-04 13:11:22,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-10-04 13:11:22,922 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:11:22,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:11:23,773 INFO L134 CoverageAnalysis]: Checked inductivity of 1785 backedges. 1190 proven. 595 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:11:28,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:11:28,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 915 states to 178 states and 915 transitions. [2018-10-04 13:11:28,946 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 915 transitions. [2018-10-04 13:11:28,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-10-04 13:11:28,946 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:11:28,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:11:29,403 INFO L134 CoverageAnalysis]: Checked inductivity of 1820 backedges. 630 proven. 1190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:11:34,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:11:34,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 918 states to 180 states and 918 transitions. [2018-10-04 13:11:34,022 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 918 transitions. [2018-10-04 13:11:34,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-10-04 13:11:34,022 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:11:34,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:11:34,913 INFO L134 CoverageAnalysis]: Checked inductivity of 1890 backedges. 1260 proven. 630 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. Received shutdown request... [2018-10-04 13:11:37,119 INFO L256 ToolchainWalker]: Toolchain cancelled while executing plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck. Reason: Timeout or Toolchain cancelled by user [2018-10-04 13:11:37,121 INFO L168 Benchmark]: Toolchain (without parser) took 236589.21 ms. Allocated memory was 1.5 GB in the beginning and 3.4 GB in the end (delta: 1.9 GB). Free memory was 1.5 GB in the beginning and 1.0 GB in the end (delta: 436.3 MB). Peak memory consumption was 2.3 GB. Max. memory is 7.1 GB. [2018-10-04 13:11:37,122 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.19 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. [2018-10-04 13:11:37,123 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.79 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. [2018-10-04 13:11:37,123 INFO L168 Benchmark]: Boogie Preprocessor took 24.60 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. [2018-10-04 13:11:37,124 INFO L168 Benchmark]: RCFGBuilder took 492.81 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: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-10-04 13:11:37,125 INFO L168 Benchmark]: CodeCheck took 236026.20 ms. Allocated memory was 1.5 GB in the beginning and 3.4 GB in the end (delta: 1.9 GB). Free memory was 1.4 GB in the beginning and 1.0 GB in the end (delta: 415.2 MB). Peak memory consumption was 2.3 GB. Max. memory is 7.1 GB. [2018-10-04 13:11:37,129 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - TimeoutResult: Timeout (de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck) Toolchain cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 1051 known predicates. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.19 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 Procedure Inliner took 41.79 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 24.60 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 492.81 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: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * CodeCheck took 236026.20 ms. Allocated memory was 1.5 GB in the beginning and 3.4 GB in the end (delta: 1.9 GB). Free memory was 1.4 GB in the beginning and 1.0 GB in the end (delta: 415.2 MB). Peak memory consumption was 2.3 GB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/down.i_4.bplTransformedIcfg_BEv2_5.bpl_svcomp-Reach-32bit-Kojak_Default.epf_KojakBplInline.xml/Csv-Benchmark-0-2018-10-04_13-11-37-141.csv Completed graceful shutdown