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-d19836b [2018-09-26 22:17:02,573 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-26 22:17:02,575 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-26 22:17:02,588 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-26 22:17:02,588 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-26 22:17:02,590 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-26 22:17:02,592 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-26 22:17:02,596 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-26 22:17:02,599 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-26 22:17:02,606 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-26 22:17:02,606 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-26 22:17:02,607 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-26 22:17:02,611 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-26 22:17:02,612 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-26 22:17:02,615 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-26 22:17:02,616 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-26 22:17:02,617 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-26 22:17:02,619 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-26 22:17:02,624 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-26 22:17:02,627 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-26 22:17:02,630 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-26 22:17:02,631 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-26 22:17:02,634 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-26 22:17:02,635 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-26 22:17:02,635 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-26 22:17:02,636 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-26 22:17:02,637 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-26 22:17:02,638 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-26 22:17:02,641 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-26 22:17:02,643 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-26 22:17:02,643 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-26 22:17:02,644 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-26 22:17:02,644 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-26 22:17:02,645 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-26 22:17:02,646 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-26 22:17:02,647 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-26 22:17:02,647 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 [2018-09-26 22:17:02,666 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-26 22:17:02,666 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-26 22:17:02,667 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-26 22:17:02,668 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-26 22:17:02,669 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-26 22:17:02,669 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-26 22:17:02,669 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-26 22:17:02,670 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-26 22:17:02,670 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-26 22:17:02,671 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-26 22:17:02,671 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-26 22:17:02,671 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-26 22:17:02,671 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-26 22:17:02,671 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-26 22:17:02,672 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-26 22:17:02,672 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-26 22:17:02,672 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-26 22:17:02,672 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-09-26 22:17:02,672 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-09-26 22:17:02,674 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-26 22:17:02,674 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-26 22:17:02,674 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-26 22:17:02,674 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-26 22:17:02,674 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-26 22:17:02,674 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-26 22:17:02,675 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-09-26 22:17:02,675 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-26 22:17:02,675 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-26 22:17:02,675 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-26 22:17:02,727 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-26 22:17:02,740 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-26 22:17:02,744 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-26 22:17:02,746 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-26 22:17:02,746 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-26 22:17:02,747 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/invert_string.i_4.bpl [2018-09-26 22:17:02,747 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/invert_string.i_4.bpl' [2018-09-26 22:17:02,809 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-26 22:17:02,813 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-26 22:17:02,814 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-26 22:17:02,814 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-26 22:17:02,814 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-26 22:17:02,834 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 26.09 10:17:02" (1/1) ... [2018-09-26 22:17:02,849 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 26.09 10:17:02" (1/1) ... [2018-09-26 22:17:02,856 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-26 22:17:02,857 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-26 22:17:02,857 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-26 22:17:02,857 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-26 22:17:02,868 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 26.09 10:17:02" (1/1) ... [2018-09-26 22:17:02,868 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 26.09 10:17:02" (1/1) ... [2018-09-26 22:17:02,869 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 26.09 10:17:02" (1/1) ... [2018-09-26 22:17:02,870 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 26.09 10:17:02" (1/1) ... [2018-09-26 22:17:02,873 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 26.09 10:17:02" (1/1) ... [2018-09-26 22:17:02,875 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 26.09 10:17:02" (1/1) ... [2018-09-26 22:17:02,876 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 26.09 10:17:02" (1/1) ... [2018-09-26 22:17:02,878 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-26 22:17:02,878 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-26 22:17:02,879 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-26 22:17:02,879 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-26 22:17:02,880 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "invert_string.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:17:02" (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 [2018-09-26 22:17:02,963 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-26 22:17:02,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-26 22:17:03,317 INFO L346 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-26 22:17:03,318 INFO L202 PluginConnector]: Adding new model invert_string.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 10:17:03 BoogieIcfgContainer [2018-09-26 22:17:03,318 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-26 22:17:03,318 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-09-26 22:17:03,319 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-09-26 22:17:03,331 INFO L276 PluginConnector]: CodeCheck initialized [2018-09-26 22:17:03,332 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 26.09 10:17:03" (1/1) ... [2018-09-26 22:17:03,346 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 22:17:03,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:17:03,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2018-09-26 22:17:03,392 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2018-09-26 22:17:03,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-26 22:17:03,396 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:17:03,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:17:03,711 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:17:03,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:17:03,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 11 states and 15 transitions. [2018-09-26 22:17:03,856 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 15 transitions. [2018-09-26 22:17:03,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-26 22:17:03,857 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:17:03,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:17:04,017 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:17:04,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:17:04,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 13 states and 16 transitions. [2018-09-26 22:17:04,712 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 16 transitions. [2018-09-26 22:17:04,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-26 22:17:04,713 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:17:04,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:17:05,001 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:17:05,245 WARN L178 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-09-26 22:17:06,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:17:06,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 19 states and 28 transitions. [2018-09-26 22:17:06,020 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 28 transitions. [2018-09-26 22:17:06,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-26 22:17:06,023 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:17:06,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:17:06,165 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:17:06,759 WARN L178 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 14 [2018-09-26 22:17:07,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:17:07,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 23 states and 35 transitions. [2018-09-26 22:17:07,011 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 35 transitions. [2018-09-26 22:17:07,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-26 22:17:07,012 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:17:07,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:17:07,195 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:17:07,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:17:07,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 29 states and 46 transitions. [2018-09-26 22:17:07,848 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 46 transitions. [2018-09-26 22:17:07,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-26 22:17:07,849 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:17:07,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:17:08,165 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:17:08,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:17:08,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2018-09-26 22:17:08,991 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2018-09-26 22:17:08,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-26 22:17:08,992 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:17:09,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:17:09,313 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:17:09,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:17:09,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 39 states and 65 transitions. [2018-09-26 22:17:09,906 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 65 transitions. [2018-09-26 22:17:09,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-26 22:17:09,908 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:17:09,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:17:10,098 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:17:10,662 WARN L178 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-09-26 22:17:11,659 WARN L178 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2018-09-26 22:17:11,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:17:11,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 43 states and 74 transitions. [2018-09-26 22:17:11,999 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 74 transitions. [2018-09-26 22:17:12,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-26 22:17:12,001 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:17:12,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:17:12,084 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:17:12,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:17:12,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 45 states and 76 transitions. [2018-09-26 22:17:12,353 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 76 transitions. [2018-09-26 22:17:12,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-26 22:17:12,354 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:17:12,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:17:12,679 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:17:13,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:17:13,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 53 states and 88 transitions. [2018-09-26 22:17:13,933 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 88 transitions. [2018-09-26 22:17:13,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-26 22:17:13,934 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:17:13,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:17:13,979 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:17:14,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:17:14,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 55 states and 92 transitions. [2018-09-26 22:17:14,339 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 92 transitions. [2018-09-26 22:17:14,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-09-26 22:17:14,340 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:17:14,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:17:14,572 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 14 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:17:15,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:17:15,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 61 states and 103 transitions. [2018-09-26 22:17:15,628 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 103 transitions. [2018-09-26 22:17:15,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-09-26 22:17:15,629 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:17:15,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:17:16,363 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 12 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:17:17,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:17:17,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 65 states and 111 transitions. [2018-09-26 22:17:17,362 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 111 transitions. [2018-09-26 22:17:17,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-09-26 22:17:17,364 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:17:17,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:17:17,559 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 12 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:17:17,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:17:17,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 67 states and 117 transitions. [2018-09-26 22:17:17,951 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 117 transitions. [2018-09-26 22:17:17,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-09-26 22:17:17,952 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:17:17,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:17:18,084 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 14 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:17:18,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:17:18,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 69 states and 119 transitions. [2018-09-26 22:17:18,529 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 119 transitions. [2018-09-26 22:17:18,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-09-26 22:17:18,530 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:17:18,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:17:18,924 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:17:20,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:17:20,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 77 states and 130 transitions. [2018-09-26 22:17:20,710 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 130 transitions. [2018-09-26 22:17:20,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-09-26 22:17:20,711 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:17:20,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:17:20,745 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:17:21,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:17:21,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 79 states and 132 transitions. [2018-09-26 22:17:21,190 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 132 transitions. [2018-09-26 22:17:21,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-09-26 22:17:21,191 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:17:21,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:17:21,533 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 22 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:17:22,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:17:22,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 83 states and 139 transitions. [2018-09-26 22:17:22,850 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 139 transitions. [2018-09-26 22:17:22,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-09-26 22:17:22,851 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:17:22,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:17:22,928 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 22 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:17:23,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:17:23,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 85 states and 141 transitions. [2018-09-26 22:17:23,290 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 141 transitions. [2018-09-26 22:17:23,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-09-26 22:17:23,291 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:17:23,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:17:23,749 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 20 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:17:24,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:17:24,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 89 states and 149 transitions. [2018-09-26 22:17:24,780 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 149 transitions. [2018-09-26 22:17:24,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-09-26 22:17:24,781 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:17:24,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:17:25,219 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 20 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:17:25,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:17:25,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 91 states and 155 transitions. [2018-09-26 22:17:25,646 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 155 transitions. [2018-09-26 22:17:25,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-09-26 22:17:25,647 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:17:25,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:17:27,622 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:17:29,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:17:29,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 101 states and 170 transitions. [2018-09-26 22:17:29,964 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 170 transitions. [2018-09-26 22:17:29,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-09-26 22:17:29,965 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:17:29,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:17:29,996 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:17:30,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:17:30,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 103 states and 172 transitions. [2018-09-26 22:17:30,490 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 172 transitions. [2018-09-26 22:17:30,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-09-26 22:17:30,491 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:17:30,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:17:31,097 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 30 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:17:32,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:17:32,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 107 states and 180 transitions. [2018-09-26 22:17:32,359 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 180 transitions. [2018-09-26 22:17:32,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-09-26 22:17:32,359 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:17:32,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:17:32,824 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 32 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:17:34,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:17:34,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 111 states and 187 transitions. [2018-09-26 22:17:34,231 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 187 transitions. [2018-09-26 22:17:34,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-09-26 22:17:34,232 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:17:34,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:17:34,754 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 30 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:17:35,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:17:35,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 113 states and 193 transitions. [2018-09-26 22:17:35,502 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 193 transitions. [2018-09-26 22:17:35,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-09-26 22:17:35,502 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:17:35,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:17:35,599 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 32 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:17:35,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:17:36,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 115 states and 195 transitions. [2018-09-26 22:17:36,000 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 195 transitions. [2018-09-26 22:17:36,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-09-26 22:17:36,000 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:17:36,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:17:36,586 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:17:39,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:17:39,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 125 states and 210 transitions. [2018-09-26 22:17:39,969 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 210 transitions. [2018-09-26 22:17:39,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-09-26 22:17:39,970 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:17:39,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:17:40,000 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:17:40,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:17:40,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 127 states and 212 transitions. [2018-09-26 22:17:40,622 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 212 transitions. [2018-09-26 22:17:40,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-09-26 22:17:40,622 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:17:40,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:17:41,481 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 42 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:17:43,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:17:43,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 131 states and 220 transitions. [2018-09-26 22:17:43,005 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 220 transitions. [2018-09-26 22:17:43,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-09-26 22:17:43,006 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:17:43,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:17:43,328 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 44 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:17:44,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:17:44,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 135 states and 227 transitions. [2018-09-26 22:17:44,891 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 227 transitions. [2018-09-26 22:17:44,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-09-26 22:17:44,891 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:17:44,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:17:45,893 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 42 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:17:46,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:17:46,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 137 states and 233 transitions. [2018-09-26 22:17:46,978 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 233 transitions. [2018-09-26 22:17:46,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-09-26 22:17:46,979 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:17:46,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:17:47,165 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 44 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:17:48,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:17:48,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 139 states and 235 transitions. [2018-09-26 22:17:48,282 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 235 transitions. [2018-09-26 22:17:48,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-09-26 22:17:48,283 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:17:48,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:17:48,968 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:17:52,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:17:52,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 149 states and 250 transitions. [2018-09-26 22:17:52,496 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 250 transitions. [2018-09-26 22:17:52,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-09-26 22:17:52,497 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:17:52,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:17:52,529 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:17:53,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:17:53,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 151 states and 252 transitions. [2018-09-26 22:17:53,607 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 252 transitions. [2018-09-26 22:17:53,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-09-26 22:17:53,608 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:17:53,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:17:55,447 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 56 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:17:57,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:17:57,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 155 states and 260 transitions. [2018-09-26 22:17:57,074 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 260 transitions. [2018-09-26 22:17:57,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-09-26 22:17:57,075 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:17:57,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:17:57,688 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 58 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:17:59,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:17:59,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 159 states and 267 transitions. [2018-09-26 22:17:59,826 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 267 transitions. [2018-09-26 22:17:59,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-09-26 22:17:59,827 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:17:59,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:18:00,764 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 56 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:18:01,241 WARN L178 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2018-09-26 22:18:01,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:18:01,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 161 states and 273 transitions. [2018-09-26 22:18:01,571 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 273 transitions. [2018-09-26 22:18:01,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-09-26 22:18:01,572 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:18:01,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:18:01,686 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 58 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:18:02,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:18:02,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 163 states and 275 transitions. [2018-09-26 22:18:02,239 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 275 transitions. [2018-09-26 22:18:02,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-09-26 22:18:02,240 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:18:02,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:18:03,412 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 144 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:18:07,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:18:07,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 173 states and 290 transitions. [2018-09-26 22:18:07,295 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 290 transitions. [2018-09-26 22:18:07,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-09-26 22:18:07,296 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:18:07,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:18:07,337 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 144 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:18:08,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:18:08,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 175 states and 292 transitions. [2018-09-26 22:18:08,167 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 292 transitions. [2018-09-26 22:18:08,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-09-26 22:18:08,168 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:18:08,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:18:10,094 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 72 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:18:11,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:18:11,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 179 states and 300 transitions. [2018-09-26 22:18:11,953 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 300 transitions. [2018-09-26 22:18:11,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-09-26 22:18:11,954 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:18:11,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:18:12,451 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 74 proven. 88 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:18:14,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:18:14,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 183 states and 307 transitions. [2018-09-26 22:18:14,661 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 307 transitions. [2018-09-26 22:18:14,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-09-26 22:18:14,661 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:18:14,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:18:16,053 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 72 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:18:16,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:18:16,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 185 states and 313 transitions. [2018-09-26 22:18:16,888 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 313 transitions. [2018-09-26 22:18:16,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-09-26 22:18:16,889 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:18:16,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:18:16,974 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 74 proven. 88 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:18:17,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:18:17,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 187 states and 315 transitions. [2018-09-26 22:18:17,602 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 315 transitions. [2018-09-26 22:18:17,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-09-26 22:18:17,602 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:18:17,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:18:19,006 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 180 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:18:23,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:18:23,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 197 states and 330 transitions. [2018-09-26 22:18:23,361 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 330 transitions. [2018-09-26 22:18:23,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-09-26 22:18:23,362 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:18:23,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:18:23,412 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 180 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:18:24,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:18:24,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 199 states and 332 transitions. [2018-09-26 22:18:24,431 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 332 transitions. [2018-09-26 22:18:24,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-09-26 22:18:24,431 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:18:24,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:18:26,338 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 90 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:18:28,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:18:28,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 203 states and 340 transitions. [2018-09-26 22:18:28,591 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 340 transitions. [2018-09-26 22:18:28,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-09-26 22:18:28,592 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:18:28,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:18:29,576 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 92 proven. 108 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:18:31,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:18:31,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 207 states and 347 transitions. [2018-09-26 22:18:31,778 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 347 transitions. [2018-09-26 22:18:31,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-09-26 22:18:31,779 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:18:31,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:18:33,546 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 90 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:18:34,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:18:34,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 209 states and 353 transitions. [2018-09-26 22:18:34,609 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 353 transitions. [2018-09-26 22:18:34,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-09-26 22:18:34,610 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:18:34,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:18:34,796 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 92 proven. 108 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:18:36,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:18:36,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 211 states and 355 transitions. [2018-09-26 22:18:36,082 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 355 transitions. [2018-09-26 22:18:36,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-09-26 22:18:36,083 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:18:36,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:18:37,274 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 220 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:18:42,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:18:42,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 221 states and 370 transitions. [2018-09-26 22:18:42,271 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 370 transitions. [2018-09-26 22:18:42,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-09-26 22:18:42,271 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:18:42,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:18:42,314 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 220 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:18:43,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:18:43,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 223 states and 372 transitions. [2018-09-26 22:18:43,348 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 372 transitions. [2018-09-26 22:18:43,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-09-26 22:18:43,348 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:18:43,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:18:46,255 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 110 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:18:48,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:18:48,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 227 states and 380 transitions. [2018-09-26 22:18:48,766 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 380 transitions. [2018-09-26 22:18:48,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-09-26 22:18:48,767 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:18:48,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:18:49,950 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 112 proven. 130 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:18:52,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:18:52,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 231 states and 387 transitions. [2018-09-26 22:18:52,387 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 387 transitions. [2018-09-26 22:18:52,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-09-26 22:18:52,388 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:18:52,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:18:54,918 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 110 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:18:56,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:18:56,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 233 states and 393 transitions. [2018-09-26 22:18:56,095 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 393 transitions. [2018-09-26 22:18:56,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-09-26 22:18:56,096 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:18:56,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:18:56,238 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 112 proven. 130 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:18:56,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:18:56,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 235 states and 395 transitions. [2018-09-26 22:18:56,976 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 395 transitions. [2018-09-26 22:18:56,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-09-26 22:18:56,982 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:18:56,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:18:58,365 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 264 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:19:04,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:19:04,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 245 states and 410 transitions. [2018-09-26 22:19:04,246 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 410 transitions. [2018-09-26 22:19:04,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-09-26 22:19:04,246 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:19:04,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:19:04,281 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 264 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:19:05,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:19:05,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 247 states and 412 transitions. [2018-09-26 22:19:05,546 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 412 transitions. [2018-09-26 22:19:05,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-09-26 22:19:05,547 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:19:05,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:19:08,590 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 132 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:19:11,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:19:11,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 251 states and 420 transitions. [2018-09-26 22:19:11,617 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 420 transitions. [2018-09-26 22:19:11,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-09-26 22:19:11,618 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:19:11,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:19:12,223 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 134 proven. 154 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:19:15,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:19:15,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 255 states and 427 transitions. [2018-09-26 22:19:15,251 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 427 transitions. [2018-09-26 22:19:15,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-09-26 22:19:15,251 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:19:15,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:19:18,155 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 132 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:19:19,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:19:19,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 257 states and 433 transitions. [2018-09-26 22:19:19,411 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 433 transitions. [2018-09-26 22:19:19,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-09-26 22:19:19,412 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:19:19,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:19:19,615 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 134 proven. 154 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:19:20,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:19:20,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 259 states and 435 transitions. [2018-09-26 22:19:20,705 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 435 transitions. [2018-09-26 22:19:20,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-09-26 22:19:20,706 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:19:20,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:19:22,072 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 312 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:19:22,332 WARN L178 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 15 DAG size of output: 13 [2018-09-26 22:19:28,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:19:28,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 269 states and 450 transitions. [2018-09-26 22:19:28,534 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 450 transitions. [2018-09-26 22:19:28,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-09-26 22:19:28,534 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:19:28,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:19:28,571 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 312 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:19:30,678 WARN L178 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 22 [2018-09-26 22:19:32,207 WARN L178 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2018-09-26 22:19:33,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:19:33,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 271 states and 452 transitions. [2018-09-26 22:19:33,528 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 452 transitions. [2018-09-26 22:19:33,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-09-26 22:19:33,528 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:19:33,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:19:38,629 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 156 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:19:42,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:19:42,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 275 states and 460 transitions. [2018-09-26 22:19:42,179 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 460 transitions. [2018-09-26 22:19:42,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-09-26 22:19:42,179 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:19:42,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:19:42,880 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 158 proven. 180 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:19:46,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:19:46,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 279 states and 467 transitions. [2018-09-26 22:19:46,134 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 467 transitions. [2018-09-26 22:19:46,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-09-26 22:19:46,135 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:19:46,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:19:49,414 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 156 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:19:51,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:19:51,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 281 states and 473 transitions. [2018-09-26 22:19:51,018 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 473 transitions. [2018-09-26 22:19:51,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-09-26 22:19:51,019 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:19:51,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:19:51,228 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 158 proven. 180 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:19:53,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:19:53,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 283 states and 475 transitions. [2018-09-26 22:19:53,358 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 475 transitions. [2018-09-26 22:19:53,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-09-26 22:19:53,359 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:19:53,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:19:54,780 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 364 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:20:02,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:20:02,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 293 states and 490 transitions. [2018-09-26 22:20:02,215 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 490 transitions. [2018-09-26 22:20:02,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-09-26 22:20:02,215 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:20:02,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:20:02,254 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 364 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:20:03,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:20:03,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 295 states and 492 transitions. [2018-09-26 22:20:03,617 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 492 transitions. [2018-09-26 22:20:03,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-09-26 22:20:03,618 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:20:03,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:20:08,054 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 182 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:20:10,316 WARN L178 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2018-09-26 22:20:11,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:20:11,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 299 states and 500 transitions. [2018-09-26 22:20:11,874 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 500 transitions. [2018-09-26 22:20:11,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-09-26 22:20:11,874 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:20:11,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:20:13,056 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 184 proven. 208 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:20:16,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:20:16,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 303 states and 507 transitions. [2018-09-26 22:20:16,588 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 507 transitions. [2018-09-26 22:20:16,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-09-26 22:20:16,589 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:20:16,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:20:20,394 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 182 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:20:22,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:20:22,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 305 states and 513 transitions. [2018-09-26 22:20:22,226 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 513 transitions. [2018-09-26 22:20:22,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-09-26 22:20:22,227 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:20:22,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:20:22,435 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 184 proven. 208 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:20:23,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:20:23,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 307 states and 515 transitions. [2018-09-26 22:20:23,903 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 515 transitions. [2018-09-26 22:20:23,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-09-26 22:20:23,903 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:20:23,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:20:25,576 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 420 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:20:33,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:20:33,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 317 states and 530 transitions. [2018-09-26 22:20:33,478 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 530 transitions. [2018-09-26 22:20:33,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-09-26 22:20:33,479 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:20:33,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:20:33,519 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 420 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:20:35,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:20:35,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 319 states and 532 transitions. [2018-09-26 22:20:35,459 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 532 transitions. [2018-09-26 22:20:35,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-09-26 22:20:35,459 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:20:35,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:20:40,532 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 210 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:20:44,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:20:44,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 323 states and 540 transitions. [2018-09-26 22:20:44,725 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 540 transitions. [2018-09-26 22:20:44,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-09-26 22:20:44,726 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:20:44,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:20:45,791 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 212 proven. 238 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:20:49,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:20:49,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 327 states and 547 transitions. [2018-09-26 22:20:49,559 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 547 transitions. [2018-09-26 22:20:49,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-09-26 22:20:49,559 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:20:49,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:20:54,310 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 210 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:20:56,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:20:56,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 329 states and 553 transitions. [2018-09-26 22:20:56,096 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 553 transitions. [2018-09-26 22:20:56,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-09-26 22:20:56,097 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:20:56,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:20:56,143 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 212 proven. 238 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:20:57,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:20:57,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 331 states and 555 transitions. [2018-09-26 22:20:57,342 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 555 transitions. [2018-09-26 22:20:57,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-09-26 22:20:57,342 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:20:57,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:20:59,607 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... [2018-09-26 22:21:06,992 INFO L256 ToolchainWalker]: Toolchain cancelled while executing plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck. Reason: Timeout or Toolchain cancelled by user [2018-09-26 22:21:06,994 INFO L168 Benchmark]: Toolchain (without parser) took 244184.70 ms. Allocated memory was 1.5 GB in the beginning and 3.3 GB in the end (delta: 1.7 GB). Free memory was 1.5 GB in the beginning and 1.6 GB in the end (delta: -149.4 MB). Peak memory consumption was 1.6 GB. Max. memory is 7.1 GB. [2018-09-26 22:21:06,995 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.18 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. [2018-09-26 22:21:06,996 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.80 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. [2018-09-26 22:21:06,996 INFO L168 Benchmark]: Boogie Preprocessor took 21.26 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. [2018-09-26 22:21:06,998 INFO L168 Benchmark]: RCFGBuilder took 439.43 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. [2018-09-26 22:21:06,999 INFO L168 Benchmark]: CodeCheck took 243675.38 ms. Allocated memory was 1.5 GB in the beginning and 3.3 GB in the end (delta: 1.7 GB). Free memory was 1.5 GB in the beginning and 1.6 GB in the end (delta: -170.5 MB). Peak memory consumption was 1.6 GB. Max. memory is 7.1 GB. [2018-09-26 22:21:07,003 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 932 known predicates. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.18 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 42.80 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 21.26 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 439.43 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 243675.38 ms. Allocated memory was 1.5 GB in the beginning and 3.3 GB in the end (delta: 1.7 GB). Free memory was 1.5 GB in the beginning and 1.6 GB in the end (delta: -170.5 MB). Peak memory consumption was 1.6 GB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/invert_string.i_4.bpl_svcomp-Reach-32bit-Kojak_Default.epf_KojakBplInline.xml/Csv-Benchmark-0-2018-09-26_22-21-07-016.csv Completed graceful shutdown