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 0.1.23-1cc990c [2018-09-30 21:10:25,492 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-30 21:10:25,494 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-30 21:10:25,505 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-30 21:10:25,506 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-30 21:10:25,507 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-30 21:10:25,508 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-30 21:10:25,510 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-30 21:10:25,512 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-30 21:10:25,512 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-30 21:10:25,513 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-30 21:10:25,513 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-30 21:10:25,514 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-30 21:10:25,515 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-30 21:10:25,516 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-30 21:10:25,517 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-30 21:10:25,518 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-30 21:10:25,520 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-30 21:10:25,522 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-30 21:10:25,523 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-30 21:10:25,524 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-30 21:10:25,525 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-30 21:10:25,528 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-30 21:10:25,528 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-30 21:10:25,528 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-30 21:10:25,529 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-30 21:10:25,531 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-30 21:10:25,531 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-30 21:10:25,532 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-30 21:10:25,533 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-30 21:10:25,534 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-30 21:10:25,534 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-30 21:10:25,535 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-30 21:10:25,535 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-30 21:10:25,536 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-30 21:10:25,537 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-30 21:10:25,537 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 [2018-09-30 21:10:25,553 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-30 21:10:25,553 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-30 21:10:25,554 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-30 21:10:25,554 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-30 21:10:25,555 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-30 21:10:25,555 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-30 21:10:25,555 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-30 21:10:25,555 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-30 21:10:25,556 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-30 21:10:25,556 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-30 21:10:25,556 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-30 21:10:25,556 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-30 21:10:25,557 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-30 21:10:25,557 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-30 21:10:25,557 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-30 21:10:25,557 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-30 21:10:25,557 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-30 21:10:25,557 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-09-30 21:10:25,558 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-09-30 21:10:25,558 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-30 21:10:25,558 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-30 21:10:25,558 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-30 21:10:25,559 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-30 21:10:25,559 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-30 21:10:25,559 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-30 21:10:25,559 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-09-30 21:10:25,559 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-30 21:10:25,560 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-30 21:10:25,560 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-30 21:10:25,605 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-30 21:10:25,624 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-30 21:10:25,631 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-30 21:10:25,633 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-30 21:10:25,633 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-30 21:10:25,634 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/invert_string.i_4.bpl [2018-09-30 21:10:25,634 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/invert_string.i_4.bpl' [2018-09-30 21:10:25,706 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-30 21:10:25,709 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-30 21:10:25,710 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-30 21:10:25,710 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-30 21:10:25,710 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-30 21:10:25,730 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 30.09 09:10:25" (1/1) ... [2018-09-30 21:10:25,746 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 30.09 09:10:25" (1/1) ... [2018-09-30 21:10:25,754 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-30 21:10:25,755 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-30 21:10:25,755 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-30 21:10:25,755 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-30 21:10:25,767 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 30.09 09:10:25" (1/1) ... [2018-09-30 21:10:25,768 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 30.09 09:10:25" (1/1) ... [2018-09-30 21:10:25,769 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 30.09 09:10:25" (1/1) ... [2018-09-30 21:10:25,769 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 30.09 09:10:25" (1/1) ... [2018-09-30 21:10:25,773 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 30.09 09:10:25" (1/1) ... [2018-09-30 21:10:25,775 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 30.09 09:10:25" (1/1) ... [2018-09-30 21:10:25,776 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 30.09 09:10:25" (1/1) ... [2018-09-30 21:10:25,778 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-30 21:10:25,779 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-30 21:10:25,779 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-30 21:10:25,779 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-30 21:10:25,780 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "invert_string.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:10:25" (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 [2018-09-30 21:10:25,859 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-30 21:10:25,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-30 21:10:26,149 INFO L348 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-30 21:10:26,150 INFO L202 PluginConnector]: Adding new model invert_string.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.09 09:10:26 BoogieIcfgContainer [2018-09-30 21:10:26,150 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-30 21:10:26,151 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-09-30 21:10:26,151 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-09-30 21:10:26,162 INFO L276 PluginConnector]: CodeCheck initialized [2018-09-30 21:10:26,163 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 30.09 09:10:26" (1/1) ... [2018-09-30 21:10:26,173 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 21:10:26,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:10:26,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2018-09-30 21:10:26,213 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2018-09-30 21:10:26,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-30 21:10:26,216 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:10:26,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:10:26,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:10:26,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:10:26,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 11 states and 15 transitions. [2018-09-30 21:10:26,645 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 15 transitions. [2018-09-30 21:10:26,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-30 21:10:26,646 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:10:26,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:10:26,809 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:10:27,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:10:27,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 13 states and 16 transitions. [2018-09-30 21:10:27,621 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 16 transitions. [2018-09-30 21:10:27,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-30 21:10:27,623 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:10:27,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:10:27,913 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:10:28,174 WARN L178 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-09-30 21:10:28,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:10:28,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 19 states and 28 transitions. [2018-09-30 21:10:28,941 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 28 transitions. [2018-09-30 21:10:28,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-30 21:10:28,945 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:10:28,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:10:29,077 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:10:29,714 WARN L178 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 14 [2018-09-30 21:10:29,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:10:29,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 23 states and 35 transitions. [2018-09-30 21:10:29,842 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 35 transitions. [2018-09-30 21:10:29,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-30 21:10:29,843 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:10:29,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:10:30,029 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:10:30,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:10:30,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 29 states and 46 transitions. [2018-09-30 21:10:30,684 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 46 transitions. [2018-09-30 21:10:30,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-30 21:10:30,685 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:10:30,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:10:31,015 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:10:31,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:10:31,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2018-09-30 21:10:31,813 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2018-09-30 21:10:31,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-30 21:10:31,814 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:10:31,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:10:32,008 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:10:33,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:10:33,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 39 states and 65 transitions. [2018-09-30 21:10:33,119 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 65 transitions. [2018-09-30 21:10:33,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-30 21:10:33,121 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:10:33,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:10:33,273 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:10:33,851 WARN L178 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-09-30 21:10:34,983 WARN L178 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2018-09-30 21:10:35,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:10:35,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 43 states and 74 transitions. [2018-09-30 21:10:35,287 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 74 transitions. [2018-09-30 21:10:35,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-30 21:10:35,288 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:10:35,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:10:35,414 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:10:35,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:10:35,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 45 states and 76 transitions. [2018-09-30 21:10:35,666 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 76 transitions. [2018-09-30 21:10:35,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-30 21:10:35,667 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:10:35,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:10:36,039 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:10:37,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:10:37,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 53 states and 88 transitions. [2018-09-30 21:10:37,282 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 88 transitions. [2018-09-30 21:10:37,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-30 21:10:37,283 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:10:37,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:10:37,354 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:10:37,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:10:37,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 55 states and 92 transitions. [2018-09-30 21:10:37,835 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 92 transitions. [2018-09-30 21:10:37,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-09-30 21:10:37,836 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:10:37,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:10:38,094 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 14 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:10:39,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:10:39,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 61 states and 103 transitions. [2018-09-30 21:10:39,203 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 103 transitions. [2018-09-30 21:10:39,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-09-30 21:10:39,205 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:10:39,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:10:39,513 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 12 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:10:40,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:10:40,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 65 states and 111 transitions. [2018-09-30 21:10:40,248 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 111 transitions. [2018-09-30 21:10:40,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-09-30 21:10:40,249 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:10:40,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:10:40,507 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 12 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:10:40,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:10:40,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 67 states and 117 transitions. [2018-09-30 21:10:40,949 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 117 transitions. [2018-09-30 21:10:40,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-09-30 21:10:40,950 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:10:40,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:10:40,982 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 14 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:10:41,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:10:41,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 69 states and 119 transitions. [2018-09-30 21:10:41,466 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 119 transitions. [2018-09-30 21:10:41,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-09-30 21:10:41,468 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:10:41,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:10:41,897 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:10:43,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:10:43,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 77 states and 130 transitions. [2018-09-30 21:10:43,960 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 130 transitions. [2018-09-30 21:10:43,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-09-30 21:10:43,962 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:10:43,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:10:44,033 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:10:44,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:10:44,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 79 states and 132 transitions. [2018-09-30 21:10:44,584 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 132 transitions. [2018-09-30 21:10:44,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-09-30 21:10:44,585 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:10:44,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:10:45,071 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 22 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:10:46,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:10:46,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 83 states and 139 transitions. [2018-09-30 21:10:46,172 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 139 transitions. [2018-09-30 21:10:46,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-09-30 21:10:46,173 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:10:46,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:10:46,372 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 22 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:10:47,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:10:47,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 85 states and 141 transitions. [2018-09-30 21:10:47,175 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 141 transitions. [2018-09-30 21:10:47,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-09-30 21:10:47,176 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:10:47,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:10:47,569 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 20 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:10:48,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:10:48,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 89 states and 149 transitions. [2018-09-30 21:10:48,740 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 149 transitions. [2018-09-30 21:10:48,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-09-30 21:10:48,741 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:10:48,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:10:49,092 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 20 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:10:49,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:10:49,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 91 states and 155 transitions. [2018-09-30 21:10:49,584 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 155 transitions. [2018-09-30 21:10:49,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-09-30 21:10:49,584 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:10:49,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:10:50,612 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:10:52,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:10:52,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 101 states and 170 transitions. [2018-09-30 21:10:52,882 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 170 transitions. [2018-09-30 21:10:52,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-09-30 21:10:52,883 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:10:52,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:10:52,913 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:10:53,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:10:53,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 103 states and 172 transitions. [2018-09-30 21:10:53,570 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 172 transitions. [2018-09-30 21:10:53,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-09-30 21:10:53,571 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:10:53,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:10:54,172 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 30 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:10:55,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:10:55,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 107 states and 180 transitions. [2018-09-30 21:10:55,460 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 180 transitions. [2018-09-30 21:10:55,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-09-30 21:10:55,460 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:10:55,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:10:55,750 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 32 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:10:57,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:10:57,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 111 states and 187 transitions. [2018-09-30 21:10:57,091 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 187 transitions. [2018-09-30 21:10:57,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-09-30 21:10:57,092 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:10:57,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:10:57,783 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 30 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:10:58,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:10:58,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 113 states and 193 transitions. [2018-09-30 21:10:58,606 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 193 transitions. [2018-09-30 21:10:58,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-09-30 21:10:58,606 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:10:58,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:10:58,673 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 32 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:10:59,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:10:59,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 115 states and 195 transitions. [2018-09-30 21:10:59,078 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 195 transitions. [2018-09-30 21:10:59,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-09-30 21:10:59,079 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:10:59,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:11:00,115 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:11:03,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:11:03,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 125 states and 210 transitions. [2018-09-30 21:11:03,403 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 210 transitions. [2018-09-30 21:11:03,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-09-30 21:11:03,404 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:11:03,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:11:03,434 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:11:04,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:11:04,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 127 states and 212 transitions. [2018-09-30 21:11:04,081 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 212 transitions. [2018-09-30 21:11:04,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-09-30 21:11:04,082 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:11:04,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:11:04,952 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 42 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:11:06,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:11:06,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 131 states and 220 transitions. [2018-09-30 21:11:06,409 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 220 transitions. [2018-09-30 21:11:06,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-09-30 21:11:06,410 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:11:06,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:11:07,004 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 44 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:11:08,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:11:08,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 135 states and 227 transitions. [2018-09-30 21:11:08,869 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 227 transitions. [2018-09-30 21:11:08,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-09-30 21:11:08,870 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:11:08,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:11:09,560 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 42 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:11:10,498 WARN L178 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2018-09-30 21:11:11,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:11:11,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 137 states and 233 transitions. [2018-09-30 21:11:11,331 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 233 transitions. [2018-09-30 21:11:11,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-09-30 21:11:11,331 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:11:11,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:11:11,416 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 44 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:11:12,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:11:12,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 139 states and 235 transitions. [2018-09-30 21:11:12,329 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 235 transitions. [2018-09-30 21:11:12,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-09-30 21:11:12,330 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:11:12,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:11:13,075 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:11:16,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:11:16,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 149 states and 250 transitions. [2018-09-30 21:11:16,725 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 250 transitions. [2018-09-30 21:11:16,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-09-30 21:11:16,726 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:11:16,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:11:16,760 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:11:17,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:11:17,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 151 states and 252 transitions. [2018-09-30 21:11:17,546 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 252 transitions. [2018-09-30 21:11:17,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-09-30 21:11:17,547 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:11:17,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:11:19,938 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 56 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:11:21,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:11:21,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 155 states and 260 transitions. [2018-09-30 21:11:21,616 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 260 transitions. [2018-09-30 21:11:21,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-09-30 21:11:21,616 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:11:21,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:11:21,992 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 58 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:11:23,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:11:23,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 159 states and 267 transitions. [2018-09-30 21:11:23,942 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 267 transitions. [2018-09-30 21:11:23,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-09-30 21:11:23,943 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:11:23,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:11:25,020 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 56 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:11:25,533 WARN L178 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2018-09-30 21:11:25,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:11:25,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 161 states and 273 transitions. [2018-09-30 21:11:25,841 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 273 transitions. [2018-09-30 21:11:25,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-09-30 21:11:25,842 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:11:25,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:11:25,895 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 58 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:11:26,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:11:26,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 163 states and 275 transitions. [2018-09-30 21:11:26,441 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 275 transitions. [2018-09-30 21:11:26,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-09-30 21:11:26,442 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:11:26,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:11:27,271 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 144 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:11:31,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:11:31,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 173 states and 290 transitions. [2018-09-30 21:11:31,255 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 290 transitions. [2018-09-30 21:11:31,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-09-30 21:11:31,255 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:11:31,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:11:31,292 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 144 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:11:32,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:11:32,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 175 states and 292 transitions. [2018-09-30 21:11:32,155 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 292 transitions. [2018-09-30 21:11:32,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-09-30 21:11:32,156 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:11:32,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:11:33,797 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 72 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:11:35,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:11:35,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 179 states and 300 transitions. [2018-09-30 21:11:35,926 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 300 transitions. [2018-09-30 21:11:35,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-09-30 21:11:35,927 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:11:35,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:11:36,799 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 74 proven. 88 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:11:38,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:11:38,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 183 states and 307 transitions. [2018-09-30 21:11:38,842 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 307 transitions. [2018-09-30 21:11:38,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-09-30 21:11:38,843 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:11:38,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:11:40,467 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 72 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:11:41,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:11:41,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 185 states and 313 transitions. [2018-09-30 21:11:41,301 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 313 transitions. [2018-09-30 21:11:41,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-09-30 21:11:41,302 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:11:41,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:11:41,396 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 74 proven. 88 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:11:42,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:11:42,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 187 states and 315 transitions. [2018-09-30 21:11:42,082 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 315 transitions. [2018-09-30 21:11:42,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-09-30 21:11:42,083 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:11:42,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:11:43,783 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 180 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:11:48,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:11:48,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 197 states and 330 transitions. [2018-09-30 21:11:48,392 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 330 transitions. [2018-09-30 21:11:48,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-09-30 21:11:48,393 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:11:48,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:11:48,426 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 180 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:11:49,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:11:49,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 199 states and 332 transitions. [2018-09-30 21:11:49,792 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 332 transitions. [2018-09-30 21:11:49,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-09-30 21:11:49,793 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:11:49,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:11:51,974 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 90 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:11:54,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:11:54,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 203 states and 340 transitions. [2018-09-30 21:11:54,375 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 340 transitions. [2018-09-30 21:11:54,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-09-30 21:11:54,376 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:11:54,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:11:55,768 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 92 proven. 108 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:11:58,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:11:58,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 207 states and 347 transitions. [2018-09-30 21:11:58,082 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 347 transitions. [2018-09-30 21:11:58,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-09-30 21:11:58,083 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:11:58,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:12:00,597 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 90 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:12:01,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:12:01,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 209 states and 353 transitions. [2018-09-30 21:12:01,626 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 353 transitions. [2018-09-30 21:12:01,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-09-30 21:12:01,627 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:12:01,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:12:01,834 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 92 proven. 108 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:12:02,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:12:02,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 211 states and 355 transitions. [2018-09-30 21:12:02,791 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 355 transitions. [2018-09-30 21:12:02,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-09-30 21:12:02,792 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:12:02,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:12:04,515 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 220 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:12:09,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:12:09,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 221 states and 370 transitions. [2018-09-30 21:12:09,829 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 370 transitions. [2018-09-30 21:12:09,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-09-30 21:12:09,830 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:12:09,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:12:09,864 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 220 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:12:10,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:12:10,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 223 states and 372 transitions. [2018-09-30 21:12:10,864 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 372 transitions. [2018-09-30 21:12:10,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-09-30 21:12:10,865 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:12:10,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:12:13,458 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 110 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:12:16,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:12:16,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 227 states and 380 transitions. [2018-09-30 21:12:16,143 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 380 transitions. [2018-09-30 21:12:16,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-09-30 21:12:16,144 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:12:16,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:12:16,865 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 112 proven. 130 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:12:19,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:12:19,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 231 states and 387 transitions. [2018-09-30 21:12:19,351 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 387 transitions. [2018-09-30 21:12:19,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-09-30 21:12:19,352 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:12:19,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:12:21,855 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 110 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:12:23,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:12:23,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 233 states and 393 transitions. [2018-09-30 21:12:23,091 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 393 transitions. [2018-09-30 21:12:23,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-09-30 21:12:23,091 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:12:23,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:12:23,271 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 112 proven. 130 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:12:24,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:12:24,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 235 states and 395 transitions. [2018-09-30 21:12:24,048 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 395 transitions. [2018-09-30 21:12:24,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-09-30 21:12:24,049 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:12:24,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:12:25,500 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 264 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:12:31,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:12:31,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 245 states and 410 transitions. [2018-09-30 21:12:31,421 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 410 transitions. [2018-09-30 21:12:31,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-09-30 21:12:31,421 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:12:31,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:12:31,466 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 264 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:12:32,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:12:32,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 247 states and 412 transitions. [2018-09-30 21:12:32,603 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 412 transitions. [2018-09-30 21:12:32,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-09-30 21:12:32,604 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:12:32,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:12:36,515 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 132 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:12:39,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:12:39,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 251 states and 420 transitions. [2018-09-30 21:12:39,389 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 420 transitions. [2018-09-30 21:12:39,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-09-30 21:12:39,390 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:12:39,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:12:40,125 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 134 proven. 154 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:12:43,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:12:43,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 255 states and 427 transitions. [2018-09-30 21:12:43,199 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 427 transitions. [2018-09-30 21:12:43,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-09-30 21:12:43,200 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:12:43,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:12:46,250 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 132 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:12:47,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:12:47,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 257 states and 433 transitions. [2018-09-30 21:12:47,525 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 433 transitions. [2018-09-30 21:12:47,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-09-30 21:12:47,525 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:12:47,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:12:47,709 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 134 proven. 154 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:12:48,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:12:48,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 259 states and 435 transitions. [2018-09-30 21:12:48,784 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 435 transitions. [2018-09-30 21:12:48,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-09-30 21:12:48,785 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:12:48,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:12:50,306 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 312 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:12:56,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:12:56,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 269 states and 450 transitions. [2018-09-30 21:12:56,886 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 450 transitions. [2018-09-30 21:12:56,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-09-30 21:12:56,886 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:12:56,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:12:56,923 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 312 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:12:59,129 WARN L178 SmtUtils]: Spent 468.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 22 [2018-09-30 21:13:00,537 WARN L178 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2018-09-30 21:13:01,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:13:01,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 271 states and 452 transitions. [2018-09-30 21:13:01,625 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 452 transitions. [2018-09-30 21:13:01,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-09-30 21:13:01,625 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:13:01,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:13:05,564 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 156 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:13:09,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:13:09,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 275 states and 460 transitions. [2018-09-30 21:13:09,122 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 460 transitions. [2018-09-30 21:13:09,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-09-30 21:13:09,122 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:13:09,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:13:09,838 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 158 proven. 180 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:13:13,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:13:13,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 279 states and 467 transitions. [2018-09-30 21:13:13,115 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 467 transitions. [2018-09-30 21:13:13,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-09-30 21:13:13,116 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:13:13,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:13:16,806 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 156 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:13:18,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:13:18,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 281 states and 473 transitions. [2018-09-30 21:13:18,227 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 473 transitions. [2018-09-30 21:13:18,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-09-30 21:13:18,228 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:13:18,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:13:18,406 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 158 proven. 180 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:13:19,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:13:19,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 283 states and 475 transitions. [2018-09-30 21:13:19,788 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 475 transitions. [2018-09-30 21:13:19,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-09-30 21:13:19,789 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:13:19,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:13:21,569 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 364 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:13:29,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:13:29,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 293 states and 490 transitions. [2018-09-30 21:13:29,019 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 490 transitions. [2018-09-30 21:13:29,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-09-30 21:13:29,019 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:13:29,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:13:29,057 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 364 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:13:30,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:13:30,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 295 states and 492 transitions. [2018-09-30 21:13:30,403 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 492 transitions. [2018-09-30 21:13:30,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-09-30 21:13:30,403 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:13:30,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:13:34,821 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 182 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:13:38,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:13:38,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 299 states and 500 transitions. [2018-09-30 21:13:38,783 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 500 transitions. [2018-09-30 21:13:38,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-09-30 21:13:38,784 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:13:38,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:13:39,535 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 184 proven. 208 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:13:43,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:13:43,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 303 states and 507 transitions. [2018-09-30 21:13:43,103 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 507 transitions. [2018-09-30 21:13:43,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-09-30 21:13:43,103 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:13:43,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:13:47,013 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 182 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:13:48,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:13:48,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 305 states and 513 transitions. [2018-09-30 21:13:48,808 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 513 transitions. [2018-09-30 21:13:48,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-09-30 21:13:48,809 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:13:48,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:13:48,981 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 184 proven. 208 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:13:49,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:13:49,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 307 states and 515 transitions. [2018-09-30 21:13:49,967 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 515 transitions. [2018-09-30 21:13:49,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-09-30 21:13:49,968 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:13:49,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:13:51,611 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 420 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:13:59,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:13:59,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 317 states and 530 transitions. [2018-09-30 21:13:59,521 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 530 transitions. [2018-09-30 21:13:59,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-09-30 21:13:59,521 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:13:59,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:13:59,560 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 420 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:14:01,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:14:01,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 319 states and 532 transitions. [2018-09-30 21:14:01,997 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 532 transitions. [2018-09-30 21:14:01,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-09-30 21:14:01,997 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:14:02,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:14:07,258 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 210 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:14:11,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:14:11,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 323 states and 540 transitions. [2018-09-30 21:14:11,747 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 540 transitions. [2018-09-30 21:14:11,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-09-30 21:14:11,748 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:14:11,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:14:13,370 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 212 proven. 238 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:14:16,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:14:16,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 327 states and 547 transitions. [2018-09-30 21:14:16,941 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 547 transitions. [2018-09-30 21:14:16,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-09-30 21:14:16,942 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:14:16,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:14:21,821 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 210 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:14:23,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:14:23,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 329 states and 553 transitions. [2018-09-30 21:14:23,931 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 553 transitions. [2018-09-30 21:14:23,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-09-30 21:14:23,931 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:14:23,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:14:24,146 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 212 proven. 238 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:14:25,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:14:25,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 331 states and 555 transitions. [2018-09-30 21:14:25,524 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 555 transitions. [2018-09-30 21:14:25,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-09-30 21:14:25,525 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:14:25,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:14:28,712 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 480 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. Received shutdown request... [2018-09-30 21:14:30,467 INFO L256 ToolchainWalker]: Toolchain cancelled while executing plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck. Reason: Timeout or Toolchain cancelled by user [2018-09-30 21:14:30,470 INFO L168 Benchmark]: Toolchain (without parser) took 244763.33 ms. Allocated memory was 1.5 GB in the beginning and 3.1 GB in the end (delta: 1.6 GB). Free memory was 1.5 GB in the beginning and 2.1 GB in the end (delta: -602.9 MB). Peak memory consumption was 988.3 MB. Max. memory is 7.1 GB. [2018-09-30 21:14:30,471 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-30 21:14:30,471 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.55 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. [2018-09-30 21:14:30,472 INFO L168 Benchmark]: Boogie Preprocessor took 23.79 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. [2018-09-30 21:14:30,472 INFO L168 Benchmark]: RCFGBuilder took 371.36 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-09-30 21:14:30,473 INFO L168 Benchmark]: CodeCheck took 244318.23 ms. Allocated memory was 1.5 GB in the beginning and 3.1 GB in the end (delta: 1.6 GB). Free memory was 1.5 GB in the beginning and 2.1 GB in the end (delta: -624.0 MB). Peak memory consumption was 967.2 MB. Max. memory is 7.1 GB. [2018-09-30 21:14:30,477 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 916 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 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 44.55 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 23.79 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. * RCFGBuilder took 371.36 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * CodeCheck took 244318.23 ms. Allocated memory was 1.5 GB in the beginning and 3.1 GB in the end (delta: 1.6 GB). Free memory was 1.5 GB in the beginning and 2.1 GB in the end (delta: -624.0 MB). Peak memory consumption was 967.2 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-0-2018-09-30_21-14-30-488.csv Completed graceful shutdown