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/20170304-DifficultPathPrograms/invert_string.i_4.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-133090d [2018-10-04 10:10:49,588 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-04 10:10:49,590 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-04 10:10:49,605 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-04 10:10:49,605 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-04 10:10:49,606 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-04 10:10:49,607 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-04 10:10:49,609 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-04 10:10:49,611 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-04 10:10:49,612 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-04 10:10:49,614 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-04 10:10:49,614 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-04 10:10:49,615 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-04 10:10:49,616 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-04 10:10:49,617 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-04 10:10:49,618 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-04 10:10:49,619 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-04 10:10:49,621 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-04 10:10:49,623 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-04 10:10:49,625 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-04 10:10:49,626 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-04 10:10:49,627 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-04 10:10:49,633 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-04 10:10:49,633 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-04 10:10:49,633 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-04 10:10:49,634 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-04 10:10:49,635 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-04 10:10:49,636 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-04 10:10:49,640 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-04 10:10:49,641 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-04 10:10:49,641 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-04 10:10:49,644 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-04 10:10:49,644 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-04 10:10:49,644 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-04 10:10:49,645 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-04 10:10:49,646 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-04 10:10:49,646 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 10:10:49,677 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-04 10:10:49,677 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-04 10:10:49,679 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-04 10:10:49,683 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-04 10:10:49,684 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-04 10:10:49,684 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-04 10:10:49,684 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-04 10:10:49,684 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-04 10:10:49,685 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-04 10:10:49,685 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-04 10:10:49,685 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-04 10:10:49,685 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-04 10:10:49,685 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-04 10:10:49,686 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-04 10:10:49,686 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-04 10:10:49,686 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-04 10:10:49,686 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-04 10:10:49,686 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-04 10:10:49,687 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-04 10:10:49,687 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-04 10:10:49,687 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-04 10:10:49,687 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-04 10:10:49,687 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-04 10:10:49,689 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-04 10:10:49,689 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-04 10:10:49,689 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-04 10:10:49,689 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-04 10:10:49,690 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-04 10:10:49,690 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-04 10:10:49,745 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-04 10:10:49,761 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-04 10:10:49,768 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-04 10:10:49,770 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-04 10:10:49,774 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-04 10:10:49,775 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/invert_string.i_4.bpl [2018-10-04 10:10:49,776 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/invert_string.i_4.bpl' [2018-10-04 10:10:49,855 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-04 10:10:49,857 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-04 10:10:49,858 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-04 10:10:49,858 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-04 10:10:49,858 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-04 10:10:49,880 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "invert_string.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 10:10:49" (1/1) ... [2018-10-04 10:10:49,895 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "invert_string.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 10:10:49" (1/1) ... [2018-10-04 10:10:49,902 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-04 10:10:49,903 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-04 10:10:49,903 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-04 10:10:49,904 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-04 10:10:49,914 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "invert_string.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 10:10:49" (1/1) ... [2018-10-04 10:10:49,914 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "invert_string.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 10:10:49" (1/1) ... [2018-10-04 10:10:49,915 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "invert_string.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 10:10:49" (1/1) ... [2018-10-04 10:10:49,915 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "invert_string.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 10:10:49" (1/1) ... [2018-10-04 10:10:49,919 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "invert_string.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 10:10:49" (1/1) ... [2018-10-04 10:10:49,921 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "invert_string.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 10:10:49" (1/1) ... [2018-10-04 10:10:49,922 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "invert_string.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 10:10:49" (1/1) ... [2018-10-04 10:10:49,923 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-04 10:10:49,924 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-04 10:10:49,924 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-04 10:10:49,925 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-04 10:10:49,926 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "invert_string.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 10:10:49" (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 10:10:49,989 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-04 10:10:49,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-04 10:10:50,323 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-04 10:10:50,324 INFO L202 PluginConnector]: Adding new model invert_string.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 10:10:50 BoogieIcfgContainer [2018-10-04 10:10:50,324 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-04 10:10:50,325 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-04 10:10:50,325 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-04 10:10:50,340 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-04 10:10:50,340 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "invert_string.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 10:10:50" (1/1) ... [2018-10-04 10:10:50,354 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-04 10:10:50,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:10:50,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2018-10-04 10:10:50,402 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2018-10-04 10:10:50,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-10-04 10:10:50,406 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:10:50,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:10:50,700 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 10:10:50,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:10:50,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 11 states and 15 transitions. [2018-10-04 10:10:50,853 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 15 transitions. [2018-10-04 10:10:50,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-04 10:10:50,854 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:10:50,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:10:51,016 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:10:51,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:10:51,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 13 states and 16 transitions. [2018-10-04 10:10:51,717 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 16 transitions. [2018-10-04 10:10:51,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-04 10:10:51,718 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:10:51,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:10:51,992 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:10:52,292 WARN L178 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-10-04 10:10:53,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:10:53,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 19 states and 28 transitions. [2018-10-04 10:10:53,063 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 28 transitions. [2018-10-04 10:10:53,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-04 10:10:53,067 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:10:53,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:10:53,225 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:10:54,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:10:54,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 23 states and 35 transitions. [2018-10-04 10:10:54,056 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 35 transitions. [2018-10-04 10:10:54,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-04 10:10:54,058 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:10:54,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:10:54,218 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:10:54,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:10:54,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 29 states and 46 transitions. [2018-10-04 10:10:54,903 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 46 transitions. [2018-10-04 10:10:54,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-04 10:10:54,904 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:10:54,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:10:55,236 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:10:56,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:10:56,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2018-10-04 10:10:56,037 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2018-10-04 10:10:56,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-04 10:10:56,038 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:10:56,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:10:56,246 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:10:57,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:10:57,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 39 states and 65 transitions. [2018-10-04 10:10:57,102 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 65 transitions. [2018-10-04 10:10:57,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-04 10:10:57,103 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:10:57,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:10:57,250 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:10:58,277 WARN L178 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-10-04 10:10:59,505 WARN L178 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2018-10-04 10:10:59,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:10:59,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 43 states and 74 transitions. [2018-10-04 10:10:59,726 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 74 transitions. [2018-10-04 10:10:59,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-04 10:10:59,727 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:10:59,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:10:59,776 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:11:00,351 WARN L178 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 22 DAG size of output: 21 [2018-10-04 10:11:01,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:11:01,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 45 states and 76 transitions. [2018-10-04 10:11:01,286 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 76 transitions. [2018-10-04 10:11:01,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-04 10:11:01,289 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:11:01,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:11:01,625 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:11:02,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:11:02,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 53 states and 88 transitions. [2018-10-04 10:11:02,904 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 88 transitions. [2018-10-04 10:11:02,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-04 10:11:02,905 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:11:02,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:11:02,969 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:11:03,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:11:03,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 55 states and 92 transitions. [2018-10-04 10:11:03,299 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 92 transitions. [2018-10-04 10:11:03,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-04 10:11:03,301 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:11:03,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:11:03,578 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 14 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:11:04,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:11:04,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 61 states and 103 transitions. [2018-10-04 10:11:04,945 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 103 transitions. [2018-10-04 10:11:04,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-04 10:11:04,946 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:11:04,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:11:04,997 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 14 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:11:05,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:11:05,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 63 states and 105 transitions. [2018-10-04 10:11:05,346 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 105 transitions. [2018-10-04 10:11:05,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-04 10:11:05,347 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:11:05,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:11:05,786 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 12 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:11:06,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:11:06,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 67 states and 113 transitions. [2018-10-04 10:11:06,626 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 113 transitions. [2018-10-04 10:11:06,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-04 10:11:06,628 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:11:06,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:11:07,402 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 12 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:11:08,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:11:08,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 69 states and 119 transitions. [2018-10-04 10:11:08,009 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 119 transitions. [2018-10-04 10:11:08,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-10-04 10:11:08,010 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:11:08,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:11:08,408 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:11:10,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:11:10,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 77 states and 130 transitions. [2018-10-04 10:11:10,393 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 130 transitions. [2018-10-04 10:11:10,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-10-04 10:11:10,395 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:11:10,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:11:10,439 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:11:10,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:11:10,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 79 states and 132 transitions. [2018-10-04 10:11:10,882 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 132 transitions. [2018-10-04 10:11:10,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-10-04 10:11:10,883 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:11:10,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:11:11,287 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 22 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:11:12,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:11:12,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 83 states and 139 transitions. [2018-10-04 10:11:12,417 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 139 transitions. [2018-10-04 10:11:12,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-10-04 10:11:12,418 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:11:12,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:11:12,847 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 20 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:11:13,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:11:13,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 87 states and 147 transitions. [2018-10-04 10:11:13,779 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 147 transitions. [2018-10-04 10:11:13,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-10-04 10:11:13,780 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:11:13,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:11:14,440 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 20 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:11:14,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:11:14,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 89 states and 153 transitions. [2018-10-04 10:11:14,895 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 153 transitions. [2018-10-04 10:11:14,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-10-04 10:11:14,898 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:11:14,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:11:14,964 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 22 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:11:15,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:11:15,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 91 states and 155 transitions. [2018-10-04 10:11:15,412 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 155 transitions. [2018-10-04 10:11:15,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-10-04 10:11:15,413 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:11:15,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:11:16,675 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:11:18,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:11:18,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 101 states and 170 transitions. [2018-10-04 10:11:18,956 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 170 transitions. [2018-10-04 10:11:18,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-10-04 10:11:18,957 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:11:18,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:11:18,988 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:11:19,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:11:19,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 103 states and 172 transitions. [2018-10-04 10:11:19,720 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 172 transitions. [2018-10-04 10:11:19,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-10-04 10:11:19,721 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:11:19,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:11:20,321 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 30 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:11:21,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:11:21,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 107 states and 180 transitions. [2018-10-04 10:11:21,428 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 180 transitions. [2018-10-04 10:11:21,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-10-04 10:11:21,429 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:11:21,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:11:21,714 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 32 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:11:23,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:11:23,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 111 states and 187 transitions. [2018-10-04 10:11:23,039 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 187 transitions. [2018-10-04 10:11:23,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-10-04 10:11:23,040 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:11:23,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:11:23,568 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 30 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:11:24,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:11:24,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 113 states and 193 transitions. [2018-10-04 10:11:24,229 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 193 transitions. [2018-10-04 10:11:24,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-10-04 10:11:24,229 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:11:24,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:11:24,412 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 32 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:11:24,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:11:24,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 115 states and 195 transitions. [2018-10-04 10:11:24,995 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 195 transitions. [2018-10-04 10:11:24,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-10-04 10:11:24,995 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:11:25,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:11:25,891 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:11:29,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:11:29,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 125 states and 210 transitions. [2018-10-04 10:11:29,105 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 210 transitions. [2018-10-04 10:11:29,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-10-04 10:11:29,106 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:11:29,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:11:29,137 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:11:30,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:11:30,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 127 states and 212 transitions. [2018-10-04 10:11:30,131 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 212 transitions. [2018-10-04 10:11:30,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-10-04 10:11:30,132 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:11:30,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:11:30,976 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 42 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:11:32,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:11:32,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 131 states and 220 transitions. [2018-10-04 10:11:32,424 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 220 transitions. [2018-10-04 10:11:32,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-10-04 10:11:32,425 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:11:32,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:11:33,003 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 44 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:11:34,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:11:34,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 135 states and 227 transitions. [2018-10-04 10:11:34,537 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 227 transitions. [2018-10-04 10:11:34,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-10-04 10:11:34,537 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:11:34,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:11:35,508 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 42 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:11:36,691 WARN L178 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 34 [2018-10-04 10:11:37,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:11:37,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 137 states and 233 transitions. [2018-10-04 10:11:37,297 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 233 transitions. [2018-10-04 10:11:37,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-10-04 10:11:37,298 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:11:37,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:11:37,405 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 44 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:11:38,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:11:38,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 139 states and 235 transitions. [2018-10-04 10:11:38,316 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 235 transitions. [2018-10-04 10:11:38,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-10-04 10:11:38,316 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:11:38,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:11:39,060 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:11:42,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:11:42,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 149 states and 250 transitions. [2018-10-04 10:11:42,688 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 250 transitions. [2018-10-04 10:11:42,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-10-04 10:11:42,689 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:11:42,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:11:42,718 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:11:43,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:11:43,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 151 states and 252 transitions. [2018-10-04 10:11:43,695 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 252 transitions. [2018-10-04 10:11:43,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-10-04 10:11:43,696 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:11:43,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:11:45,363 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 56 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:11:47,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:11:47,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 155 states and 260 transitions. [2018-10-04 10:11:47,030 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 260 transitions. [2018-10-04 10:11:47,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-10-04 10:11:47,030 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:11:47,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:11:47,513 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 58 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:11:49,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:11:49,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 159 states and 267 transitions. [2018-10-04 10:11:49,249 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 267 transitions. [2018-10-04 10:11:49,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-10-04 10:11:49,250 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:11:49,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:11:50,390 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 56 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:11:50,894 WARN L178 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2018-10-04 10:11:51,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:11:51,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 161 states and 273 transitions. [2018-10-04 10:11:51,247 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 273 transitions. [2018-10-04 10:11:51,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-10-04 10:11:51,248 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:11:51,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:11:51,365 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 58 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:11:51,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:11:51,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 163 states and 275 transitions. [2018-10-04 10:11:51,907 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 275 transitions. [2018-10-04 10:11:51,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-10-04 10:11:51,908 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:11:51,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:11:52,918 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 144 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:11:56,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:11:56,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 173 states and 290 transitions. [2018-10-04 10:11:56,858 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 290 transitions. [2018-10-04 10:11:56,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-10-04 10:11:56,858 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:11:56,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:11:56,890 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 144 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:11:58,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:11:58,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 175 states and 292 transitions. [2018-10-04 10:11:58,072 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 292 transitions. [2018-10-04 10:11:58,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-10-04 10:11:58,072 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:11:58,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:12:00,067 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 72 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:12:02,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:12:02,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 179 states and 300 transitions. [2018-10-04 10:12:02,180 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 300 transitions. [2018-10-04 10:12:02,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-10-04 10:12:02,181 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:12:02,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:12:02,719 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 74 proven. 88 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:12:04,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:12:04,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 183 states and 307 transitions. [2018-10-04 10:12:04,681 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 307 transitions. [2018-10-04 10:12:04,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-10-04 10:12:04,682 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:12:04,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:12:06,327 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 72 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:12:07,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:12:07,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 185 states and 313 transitions. [2018-10-04 10:12:07,218 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 313 transitions. [2018-10-04 10:12:07,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-10-04 10:12:07,219 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:12:07,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:12:07,380 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 74 proven. 88 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:12:08,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:12:08,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 187 states and 315 transitions. [2018-10-04 10:12:08,048 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 315 transitions. [2018-10-04 10:12:08,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-10-04 10:12:08,049 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:12:08,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:12:08,991 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 180 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:12:13,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:12:13,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 197 states and 330 transitions. [2018-10-04 10:12:13,503 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 330 transitions. [2018-10-04 10:12:13,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-10-04 10:12:13,504 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:12:13,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:12:13,539 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 180 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:12:14,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:12:14,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 199 states and 332 transitions. [2018-10-04 10:12:14,765 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 332 transitions. [2018-10-04 10:12:14,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-10-04 10:12:14,766 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:12:14,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:12:17,233 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 90 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:12:19,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:12:19,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 203 states and 340 transitions. [2018-10-04 10:12:19,457 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 340 transitions. [2018-10-04 10:12:19,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-10-04 10:12:19,458 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:12:19,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:12:21,289 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 92 proven. 108 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:12:23,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:12:23,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 207 states and 347 transitions. [2018-10-04 10:12:23,565 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 347 transitions. [2018-10-04 10:12:23,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-10-04 10:12:23,566 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:12:23,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:12:25,368 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 90 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:12:26,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:12:26,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 209 states and 353 transitions. [2018-10-04 10:12:26,542 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 353 transitions. [2018-10-04 10:12:26,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-10-04 10:12:26,543 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:12:26,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:12:26,746 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 92 proven. 108 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:12:27,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:12:27,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 211 states and 355 transitions. [2018-10-04 10:12:27,992 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 355 transitions. [2018-10-04 10:12:27,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-10-04 10:12:27,992 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:12:28,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:12:29,120 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 220 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:12:34,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:12:34,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 221 states and 370 transitions. [2018-10-04 10:12:34,318 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 370 transitions. [2018-10-04 10:12:34,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-10-04 10:12:34,318 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:12:34,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:12:34,357 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 220 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:12:35,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:12:35,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 223 states and 372 transitions. [2018-10-04 10:12:35,406 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 372 transitions. [2018-10-04 10:12:35,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-10-04 10:12:35,406 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:12:35,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:12:38,150 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 110 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:12:40,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:12:40,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 227 states and 380 transitions. [2018-10-04 10:12:40,681 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 380 transitions. [2018-10-04 10:12:40,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-10-04 10:12:40,681 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:12:40,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:12:41,629 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 112 proven. 130 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:12:44,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:12:44,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 231 states and 387 transitions. [2018-10-04 10:12:44,178 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 387 transitions. [2018-10-04 10:12:44,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-10-04 10:12:44,178 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:12:44,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:12:46,783 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 110 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:12:47,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:12:47,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 233 states and 393 transitions. [2018-10-04 10:12:47,907 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 393 transitions. [2018-10-04 10:12:47,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-10-04 10:12:47,907 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:12:47,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:12:48,090 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 112 proven. 130 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:12:48,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:12:48,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 235 states and 395 transitions. [2018-10-04 10:12:48,912 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 395 transitions. [2018-10-04 10:12:48,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-10-04 10:12:48,913 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:12:48,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:12:50,294 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 264 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:12:56,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:12:56,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 245 states and 410 transitions. [2018-10-04 10:12:56,040 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 410 transitions. [2018-10-04 10:12:56,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-10-04 10:12:56,040 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:12:56,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:12:56,079 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 264 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:12:57,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:12:57,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 247 states and 412 transitions. [2018-10-04 10:12:57,777 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 412 transitions. [2018-10-04 10:12:57,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-10-04 10:12:57,778 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:12:57,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:13:02,135 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 132 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:13:05,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:13:05,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 251 states and 420 transitions. [2018-10-04 10:13:05,049 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 420 transitions. [2018-10-04 10:13:05,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-10-04 10:13:05,050 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:13:05,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:13:05,660 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 134 proven. 154 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:13:08,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:13:08,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 255 states and 427 transitions. [2018-10-04 10:13:08,665 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 427 transitions. [2018-10-04 10:13:08,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-10-04 10:13:08,665 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:13:08,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:13:11,278 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 132 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:13:11,532 WARN L178 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 54 [2018-10-04 10:13:12,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:13:12,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 257 states and 433 transitions. [2018-10-04 10:13:12,809 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 433 transitions. [2018-10-04 10:13:12,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-10-04 10:13:12,810 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:13:12,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:13:12,907 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 134 proven. 154 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:13:13,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:13:13,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 259 states and 435 transitions. [2018-10-04 10:13:13,723 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 435 transitions. [2018-10-04 10:13:13,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-10-04 10:13:13,724 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:13:13,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:13:15,110 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 312 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:13:21,465 WARN L178 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2018-10-04 10:13:21,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:13:21,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 269 states and 450 transitions. [2018-10-04 10:13:21,540 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 450 transitions. [2018-10-04 10:13:21,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-10-04 10:13:21,541 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:13:21,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:13:21,579 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 312 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:13:23,771 WARN L178 SmtUtils]: Spent 473.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 22 [2018-10-04 10:13:25,299 WARN L178 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2018-10-04 10:13:26,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:13:26,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 271 states and 452 transitions. [2018-10-04 10:13:26,913 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 452 transitions. [2018-10-04 10:13:26,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-10-04 10:13:26,913 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:13:26,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:13:30,850 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 156 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:13:34,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:13:34,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 275 states and 460 transitions. [2018-10-04 10:13:34,464 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 460 transitions. [2018-10-04 10:13:34,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-10-04 10:13:34,464 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:13:34,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:13:35,116 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 158 proven. 180 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:13:38,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:13:38,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 279 states and 467 transitions. [2018-10-04 10:13:38,526 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 467 transitions. [2018-10-04 10:13:38,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-10-04 10:13:38,526 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:13:38,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:13:41,781 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 156 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:13:43,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:13:43,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 281 states and 473 transitions. [2018-10-04 10:13:43,345 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 473 transitions. [2018-10-04 10:13:43,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-10-04 10:13:43,346 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:13:43,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:13:43,535 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 158 proven. 180 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:13:44,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:13:44,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 283 states and 475 transitions. [2018-10-04 10:13:44,610 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 475 transitions. [2018-10-04 10:13:44,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-10-04 10:13:44,610 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:13:44,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:13:46,042 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 364 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:13:53,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:13:53,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 293 states and 490 transitions. [2018-10-04 10:13:53,363 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 490 transitions. [2018-10-04 10:13:53,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-10-04 10:13:53,363 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:13:53,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:13:53,399 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 364 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:13:54,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:13:54,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 295 states and 492 transitions. [2018-10-04 10:13:54,809 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 492 transitions. [2018-10-04 10:13:54,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-10-04 10:13:54,810 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:13:54,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:13:59,613 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 182 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:14:03,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:14:03,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 299 states and 500 transitions. [2018-10-04 10:14:03,347 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 500 transitions. [2018-10-04 10:14:03,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-10-04 10:14:03,348 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:14:03,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:14:05,100 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 184 proven. 208 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:14:08,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:14:08,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 303 states and 507 transitions. [2018-10-04 10:14:08,579 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 507 transitions. [2018-10-04 10:14:08,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-10-04 10:14:08,579 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:14:08,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:14:12,693 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 182 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:14:14,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:14:14,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 305 states and 513 transitions. [2018-10-04 10:14:14,490 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 513 transitions. [2018-10-04 10:14:14,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-10-04 10:14:14,490 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:14:14,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:14:14,675 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 184 proven. 208 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:14:16,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:14:16,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 307 states and 515 transitions. [2018-10-04 10:14:16,869 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 515 transitions. [2018-10-04 10:14:16,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-10-04 10:14:16,870 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:14:16,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:14:18,555 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 420 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:14:26,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:14:26,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 317 states and 530 transitions. [2018-10-04 10:14:26,458 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 530 transitions. [2018-10-04 10:14:26,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-10-04 10:14:26,458 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:14:26,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:14:26,500 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 420 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:14:28,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:14:28,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 319 states and 532 transitions. [2018-10-04 10:14:28,191 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 532 transitions. [2018-10-04 10:14:28,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-10-04 10:14:28,191 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:14:28,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:14:33,288 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 210 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:14:34,055 WARN L178 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 63 [2018-10-04 10:14:37,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:14:37,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 323 states and 540 transitions. [2018-10-04 10:14:37,589 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 540 transitions. [2018-10-04 10:14:37,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-10-04 10:14:37,590 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:14:37,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:14:39,336 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 212 proven. 238 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:14:42,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:14:42,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 327 states and 547 transitions. [2018-10-04 10:14:42,916 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 547 transitions. [2018-10-04 10:14:42,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-10-04 10:14:42,916 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:14:42,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:14:47,692 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 210 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:14:49,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:14:49,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 329 states and 553 transitions. [2018-10-04 10:14:49,601 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 553 transitions. [2018-10-04 10:14:49,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-10-04 10:14:49,602 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:14:49,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:14:49,626 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 212 proven. 238 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:14:50,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:14:50,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 331 states and 555 transitions. [2018-10-04 10:14:50,807 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 555 transitions. [2018-10-04 10:14:50,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-10-04 10:14:50,808 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:14:50,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... [2018-10-04 10:14:51,227 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Timeout or Toolchain cancelled by user [2018-10-04 10:14:51,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:14:51,322 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 10:14:51,331 INFO L177 TraceCheckSpWp]: Timeout while computing interpolants [2018-10-04 10:14:51,331 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 10:14:51,333 INFO L168 Benchmark]: Toolchain (without parser) took 241477.34 ms. Allocated memory was 1.5 GB in the beginning and 3.2 GB in the end (delta: 1.7 GB). Free memory was 1.4 GB in the beginning and 2.7 GB in the end (delta: -1.2 GB). Peak memory consumption was 451.4 MB. Max. memory is 7.1 GB. [2018-10-04 10:14:51,334 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 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. [2018-10-04 10:14:51,335 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.14 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. [2018-10-04 10:14:51,335 INFO L168 Benchmark]: Boogie Preprocessor took 20.51 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. [2018-10-04 10:14:51,336 INFO L168 Benchmark]: RCFGBuilder took 400.15 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 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 10:14:51,337 INFO L168 Benchmark]: CodeCheck took 241007.79 ms. Allocated memory was 1.5 GB in the beginning and 3.2 GB in the end (delta: 1.7 GB). Free memory was 1.4 GB in the beginning and 2.7 GB in the end (delta: -1.2 GB). Peak memory consumption was 430.2 MB. Max. memory is 7.1 GB. [2018-10-04 10:14:51,340 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 TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantifier-free) to 906 known predicates. * 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 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 45.14 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. * Boogie Preprocessor took 20.51 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. * RCFGBuilder took 400.15 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 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 241007.79 ms. Allocated memory was 1.5 GB in the beginning and 3.2 GB in the end (delta: 1.7 GB). Free memory was 1.4 GB in the beginning and 2.7 GB in the end (delta: -1.2 GB). Peak memory consumption was 430.2 MB. 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/invert_string.i_4.bpl_svcomp-Reach-32bit-Kojak_Default.epf_KojakBplInline.xml/Csv-Benchmark-0-2018-10-04_10-14-51-355.csv Completed graceful shutdown