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/linear_search.i_5.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-00a8621 [2018-09-30 11:22:51,707 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-30 11:22:51,709 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-30 11:22:51,721 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-30 11:22:51,722 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-30 11:22:51,723 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-30 11:22:51,724 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-30 11:22:51,726 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-30 11:22:51,728 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-30 11:22:51,729 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-30 11:22:51,730 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-30 11:22:51,730 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-30 11:22:51,731 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-30 11:22:51,732 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-30 11:22:51,733 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-30 11:22:51,734 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-30 11:22:51,734 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-30 11:22:51,736 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-30 11:22:51,738 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-30 11:22:51,740 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-30 11:22:51,741 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-30 11:22:51,742 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-30 11:22:51,744 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-30 11:22:51,745 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-30 11:22:51,745 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-30 11:22:51,746 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-30 11:22:51,747 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-30 11:22:51,748 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-30 11:22:51,748 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-30 11:22:51,749 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-30 11:22:51,750 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-30 11:22:51,750 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-30 11:22:51,751 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-30 11:22:51,751 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-30 11:22:51,752 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-30 11:22:51,752 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-30 11:22:51,753 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 11:22:51,768 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-30 11:22:51,768 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-30 11:22:51,769 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-30 11:22:51,769 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-30 11:22:51,770 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-30 11:22:51,770 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-30 11:22:51,771 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-30 11:22:51,771 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-30 11:22:51,771 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-30 11:22:51,771 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-30 11:22:51,771 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-30 11:22:51,772 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-30 11:22:51,772 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-30 11:22:51,772 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-30 11:22:51,772 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-30 11:22:51,772 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-30 11:22:51,773 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-30 11:22:51,773 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-09-30 11:22:51,773 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-09-30 11:22:51,773 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-30 11:22:51,774 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-30 11:22:51,774 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-30 11:22:51,774 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-30 11:22:51,774 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-30 11:22:51,774 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-30 11:22:51,775 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-09-30 11:22:51,775 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-30 11:22:51,775 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-30 11:22:51,775 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-30 11:22:51,820 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-30 11:22:51,832 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-30 11:22:51,836 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-30 11:22:51,838 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-30 11:22:51,838 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-30 11:22:51,839 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/linear_search.i_5.bpl [2018-09-30 11:22:51,839 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/linear_search.i_5.bpl' [2018-09-30 11:22:51,898 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-30 11:22:51,901 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-30 11:22:51,902 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-30 11:22:51,903 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-30 11:22:51,903 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-30 11:22:51,922 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "linear_search.i_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:22:51" (1/1) ... [2018-09-30 11:22:51,937 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "linear_search.i_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:22:51" (1/1) ... [2018-09-30 11:22:51,943 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-30 11:22:51,944 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-30 11:22:51,944 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-30 11:22:51,945 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-30 11:22:51,955 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "linear_search.i_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:22:51" (1/1) ... [2018-09-30 11:22:51,955 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "linear_search.i_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:22:51" (1/1) ... [2018-09-30 11:22:51,956 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "linear_search.i_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:22:51" (1/1) ... [2018-09-30 11:22:51,957 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "linear_search.i_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:22:51" (1/1) ... [2018-09-30 11:22:51,961 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "linear_search.i_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:22:51" (1/1) ... [2018-09-30 11:22:51,963 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "linear_search.i_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:22:51" (1/1) ... [2018-09-30 11:22:51,968 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "linear_search.i_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:22:51" (1/1) ... [2018-09-30 11:22:51,970 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-30 11:22:51,971 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-30 11:22:51,971 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-30 11:22:51,971 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-30 11:22:51,974 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "linear_search.i_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:22:51" (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 11:22:52,050 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-30 11:22:52,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-30 11:22:52,425 INFO L348 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-30 11:22:52,426 INFO L202 PluginConnector]: Adding new model linear_search.i_5.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.09 11:22:52 BoogieIcfgContainer [2018-09-30 11:22:52,426 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-30 11:22:52,428 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-09-30 11:22:52,428 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-09-30 11:22:52,464 INFO L276 PluginConnector]: CodeCheck initialized [2018-09-30 11:22:52,465 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "linear_search.i_5.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.09 11:22:52" (1/1) ... [2018-09-30 11:22:52,484 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 11:22:52,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:22:52,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2018-09-30 11:22:52,539 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2018-09-30 11:22:52,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 11:22:52,542 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:22:52,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:22:52,998 WARN L178 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 22 DAG size of output: 18 [2018-09-30 11:22:53,109 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 11:22:53,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:22:53,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 7 states and 10 transitions. [2018-09-30 11:22:53,506 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 10 transitions. [2018-09-30 11:22:53,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-30 11:22:53,507 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:22:53,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:22:54,095 WARN L178 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 22 DAG size of output: 15 [2018-09-30 11:22:54,097 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 11:22:54,739 WARN L178 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 27 [2018-09-30 11:22:55,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:22:55,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 10 states and 18 transitions. [2018-09-30 11:22:55,027 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 18 transitions. [2018-09-30 11:22:55,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-30 11:22:55,031 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:22:55,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:22:55,572 WARN L178 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 16 [2018-09-30 11:22:55,925 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:22:57,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:22:57,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 15 states and 28 transitions. [2018-09-30 11:22:57,425 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 28 transitions. [2018-09-30 11:22:57,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-30 11:22:57,426 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:22:57,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:22:57,827 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 11:22:59,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:22:59,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 19 states and 37 transitions. [2018-09-30 11:22:59,387 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 37 transitions. [2018-09-30 11:22:59,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-30 11:22:59,388 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:22:59,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:22:59,707 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 11:22:59,904 WARN L178 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 20 [2018-09-30 11:23:00,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:23:00,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 21 states and 40 transitions. [2018-09-30 11:23:00,646 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 40 transitions. [2018-09-30 11:23:00,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-30 11:23:00,647 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:23:00,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:23:01,278 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:23:02,362 WARN L178 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 24 [2018-09-30 11:23:03,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:23:03,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 24 states and 47 transitions. [2018-09-30 11:23:03,056 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 47 transitions. [2018-09-30 11:23:03,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-30 11:23:03,057 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:23:03,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:23:03,286 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:23:04,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:23:04,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 26 states and 52 transitions. [2018-09-30 11:23:04,068 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 52 transitions. [2018-09-30 11:23:04,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-30 11:23:04,069 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:23:04,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:23:04,358 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:23:04,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:23:04,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 27 states and 52 transitions. [2018-09-30 11:23:04,775 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 52 transitions. [2018-09-30 11:23:04,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-30 11:23:04,775 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:23:04,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:23:06,418 WARN L178 SmtUtils]: Spent 551.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 20 [2018-09-30 11:23:06,426 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:23:07,109 WARN L178 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 19 [2018-09-30 11:23:07,825 WARN L178 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2018-09-30 11:23:09,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:23:09,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 32 states and 63 transitions. [2018-09-30 11:23:09,434 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 63 transitions. [2018-09-30 11:23:09,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-30 11:23:09,435 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:23:09,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:23:09,927 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:23:11,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:23:11,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 37 states and 69 transitions. [2018-09-30 11:23:11,782 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 69 transitions. [2018-09-30 11:23:11,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-30 11:23:11,783 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:23:11,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:23:12,216 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:23:12,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:23:12,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 38 states and 69 transitions. [2018-09-30 11:23:12,523 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 69 transitions. [2018-09-30 11:23:12,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-30 11:23:12,524 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:23:12,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:23:13,957 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:23:15,104 WARN L178 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 55 [2018-09-30 11:23:16,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:23:16,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 41 states and 76 transitions. [2018-09-30 11:23:16,677 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 76 transitions. [2018-09-30 11:23:16,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-30 11:23:16,678 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:23:16,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:23:16,982 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:23:17,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:23:17,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2018-09-30 11:23:17,362 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2018-09-30 11:23:17,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-30 11:23:17,363 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:23:17,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:23:18,137 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:23:18,638 WARN L178 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 51 [2018-09-30 11:23:19,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:23:19,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 44 states and 79 transitions. [2018-09-30 11:23:19,002 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 79 transitions. [2018-09-30 11:23:19,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-30 11:23:19,003 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:23:19,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:23:20,022 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:23:20,817 WARN L178 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 62 [2018-09-30 11:23:21,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:23:21,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 47 states and 84 transitions. [2018-09-30 11:23:21,562 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 84 transitions. [2018-09-30 11:23:21,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-30 11:23:21,563 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:23:21,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:23:22,144 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:23:23,024 WARN L178 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 56 [2018-09-30 11:23:23,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:23:23,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 49 states and 87 transitions. [2018-09-30 11:23:23,355 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 87 transitions. [2018-09-30 11:23:23,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-09-30 11:23:23,355 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:23:23,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:23:24,969 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:23:25,826 WARN L178 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 69 [2018-09-30 11:23:26,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:23:26,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 52 states and 92 transitions. [2018-09-30 11:23:26,656 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 92 transitions. [2018-09-30 11:23:26,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-09-30 11:23:26,657 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:23:26,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:23:27,228 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:23:27,866 WARN L178 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 61 [2018-09-30 11:23:28,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:23:28,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 54 states and 95 transitions. [2018-09-30 11:23:28,703 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 95 transitions. [2018-09-30 11:23:28,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-09-30 11:23:28,704 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:23:28,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:23:30,048 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:23:30,906 WARN L178 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2018-09-30 11:23:31,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:23:31,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 57 states and 100 transitions. [2018-09-30 11:23:31,837 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 100 transitions. [2018-09-30 11:23:31,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-09-30 11:23:31,838 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:23:31,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:23:32,624 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:23:32,830 WARN L178 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 23 DAG size of output: 16 [2018-09-30 11:23:33,443 WARN L178 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 66 [2018-09-30 11:23:33,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:23:33,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 59 states and 103 transitions. [2018-09-30 11:23:33,857 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 103 transitions. [2018-09-30 11:23:33,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-09-30 11:23:33,858 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:23:33,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:23:36,159 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:23:40,855 WARN L178 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 84 [2018-09-30 11:23:42,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:23:42,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 72 states and 124 transitions. [2018-09-30 11:23:42,056 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 124 transitions. [2018-09-30 11:23:42,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-09-30 11:23:42,057 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:23:42,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:23:43,029 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:23:43,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:23:43,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 75 states and 127 transitions. [2018-09-30 11:23:43,948 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 127 transitions. [2018-09-30 11:23:43,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-09-30 11:23:43,949 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:23:43,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:23:44,490 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:23:45,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:23:45,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 76 states and 127 transitions. [2018-09-30 11:23:45,186 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 127 transitions. [2018-09-30 11:23:45,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-09-30 11:23:45,187 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:23:45,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:23:45,631 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:23:46,382 WARN L178 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 71 [2018-09-30 11:23:46,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:23:46,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 78 states and 130 transitions. [2018-09-30 11:23:46,896 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 130 transitions. [2018-09-30 11:23:46,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-09-30 11:23:46,896 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:23:46,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:23:47,441 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:23:47,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:23:47,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 79 states and 130 transitions. [2018-09-30 11:23:47,992 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 130 transitions. [2018-09-30 11:23:47,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-09-30 11:23:47,993 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:23:48,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:23:49,625 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:23:51,463 WARN L178 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 90 [2018-09-30 11:23:52,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:23:52,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 82 states and 137 transitions. [2018-09-30 11:23:52,883 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 137 transitions. [2018-09-30 11:23:52,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-09-30 11:23:52,884 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:23:52,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:23:53,650 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:23:54,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:23:54,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 83 states and 137 transitions. [2018-09-30 11:23:54,227 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 137 transitions. [2018-09-30 11:23:54,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-09-30 11:23:54,227 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:23:54,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:23:55,119 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:23:56,105 WARN L178 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 76 [2018-09-30 11:23:56,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:23:56,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 85 states and 140 transitions. [2018-09-30 11:23:56,748 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 140 transitions. [2018-09-30 11:23:56,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-09-30 11:23:56,750 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:23:56,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:23:59,622 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:24:01,037 WARN L178 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 97 [2018-09-30 11:24:02,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:24:02,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 88 states and 145 transitions. [2018-09-30 11:24:02,445 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 145 transitions. [2018-09-30 11:24:02,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-09-30 11:24:02,445 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:24:02,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:24:03,668 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:24:04,596 WARN L178 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 81 [2018-09-30 11:24:05,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:24:05,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 90 states and 148 transitions. [2018-09-30 11:24:05,209 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 148 transitions. [2018-09-30 11:24:05,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-09-30 11:24:05,209 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:24:05,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:24:06,788 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:24:08,303 WARN L178 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 104 [2018-09-30 11:24:08,916 WARN L178 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2018-09-30 11:24:09,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:24:09,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 93 states and 153 transitions. [2018-09-30 11:24:09,812 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 153 transitions. [2018-09-30 11:24:09,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-09-30 11:24:09,813 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:24:09,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:24:10,945 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:24:11,937 WARN L178 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 86 [2018-09-30 11:24:12,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:24:12,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 95 states and 156 transitions. [2018-09-30 11:24:12,589 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 156 transitions. [2018-09-30 11:24:12,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-09-30 11:24:12,590 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:24:12,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:24:15,336 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:24:16,993 WARN L178 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 111 [2018-09-30 11:24:18,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:24:18,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 98 states and 161 transitions. [2018-09-30 11:24:18,562 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 161 transitions. [2018-09-30 11:24:18,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-09-30 11:24:18,563 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:24:18,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:24:20,860 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:24:21,992 WARN L178 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 91 [2018-09-30 11:24:22,665 WARN L178 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2018-09-30 11:24:22,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:24:22,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 100 states and 164 transitions. [2018-09-30 11:24:22,699 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 164 transitions. [2018-09-30 11:24:22,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-09-30 11:24:22,699 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:24:22,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:24:24,691 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:24:26,283 WARN L178 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 118 [2018-09-30 11:24:26,963 WARN L178 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2018-09-30 11:24:27,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:24:27,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 103 states and 169 transitions. [2018-09-30 11:24:27,994 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 169 transitions. [2018-09-30 11:24:27,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-09-30 11:24:27,994 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:24:28,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:24:29,193 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:24:30,344 WARN L178 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 96 [2018-09-30 11:24:31,106 WARN L178 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2018-09-30 11:24:31,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:24:31,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 105 states and 172 transitions. [2018-09-30 11:24:31,140 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 172 transitions. [2018-09-30 11:24:31,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-09-30 11:24:31,140 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:24:31,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:24:34,629 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 0 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:24:36,350 WARN L178 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 125 [2018-09-30 11:24:37,092 WARN L178 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2018-09-30 11:24:38,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:24:38,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 108 states and 177 transitions. [2018-09-30 11:24:38,166 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 177 transitions. [2018-09-30 11:24:38,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-09-30 11:24:38,166 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:24:38,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:24:41,421 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 0 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:24:42,674 WARN L178 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 101 [2018-09-30 11:24:43,480 WARN L178 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2018-09-30 11:24:43,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:24:43,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 110 states and 180 transitions. [2018-09-30 11:24:43,516 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 180 transitions. [2018-09-30 11:24:43,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-09-30 11:24:43,517 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:24:43,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:24:47,368 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:25:00,267 WARN L178 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 133 [2018-09-30 11:25:01,118 WARN L178 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2018-09-30 11:25:02,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:25:02,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 135 states and 215 transitions. [2018-09-30 11:25:02,533 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 215 transitions. [2018-09-30 11:25:02,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-09-30 11:25:02,534 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:25:02,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:25:03,646 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:25:04,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:25:04,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 136 states and 215 transitions. [2018-09-30 11:25:04,305 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 215 transitions. [2018-09-30 11:25:04,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-09-30 11:25:04,306 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:25:04,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:25:05,354 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:25:06,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:25:06,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 137 states and 215 transitions. [2018-09-30 11:25:06,126 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 215 transitions. [2018-09-30 11:25:06,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-09-30 11:25:06,127 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:25:06,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:25:07,323 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:25:08,740 WARN L178 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 106 [2018-09-30 11:25:09,636 WARN L178 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2018-09-30 11:25:09,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:25:09,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 139 states and 218 transitions. [2018-09-30 11:25:09,672 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 218 transitions. [2018-09-30 11:25:09,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-09-30 11:25:09,673 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:25:09,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:25:10,674 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:25:11,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:25:11,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 140 states and 218 transitions. [2018-09-30 11:25:11,359 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 218 transitions. [2018-09-30 11:25:11,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-09-30 11:25:11,360 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:25:11,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:25:12,821 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:25:14,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:25:14,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 143 states and 221 transitions. [2018-09-30 11:25:14,015 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 221 transitions. [2018-09-30 11:25:14,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-09-30 11:25:14,015 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:25:14,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:25:18,730 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 0 proven. 342 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:25:21,180 WARN L178 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 139 [2018-09-30 11:25:22,492 WARN L178 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2018-09-30 11:25:23,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:25:23,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 146 states and 228 transitions. [2018-09-30 11:25:23,801 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 228 transitions. [2018-09-30 11:25:23,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-09-30 11:25:23,801 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:25:23,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:25:27,181 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 0 proven. 342 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:25:28,789 WARN L178 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 111 [2018-09-30 11:25:29,766 WARN L178 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2018-09-30 11:25:29,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:25:29,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 148 states and 231 transitions. [2018-09-30 11:25:29,802 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 231 transitions. [2018-09-30 11:25:29,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-09-30 11:25:29,802 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:25:29,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:25:32,945 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 0 proven. 342 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:25:33,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:25:33,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 149 states and 231 transitions. [2018-09-30 11:25:33,898 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 231 transitions. [2018-09-30 11:25:33,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-09-30 11:25:33,899 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:25:33,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:25:37,114 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 0 proven. 380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:25:39,451 WARN L178 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 146 [2018-09-30 11:25:40,453 WARN L178 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2018-09-30 11:25:41,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:25:41,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 152 states and 236 transitions. [2018-09-30 11:25:41,884 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 236 transitions. [2018-09-30 11:25:41,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-09-30 11:25:41,885 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:25:41,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:25:44,323 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 0 proven. 380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:25:45,863 WARN L178 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 116 [2018-09-30 11:25:46,932 WARN L178 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2018-09-30 11:25:46,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:25:46,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 154 states and 239 transitions. [2018-09-30 11:25:46,971 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 239 transitions. [2018-09-30 11:25:46,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-09-30 11:25:46,971 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:25:46,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:25:53,950 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 40 proven. 380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:26:15,168 WARN L178 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2018-09-30 11:26:16,723 WARN L178 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2018-09-30 11:26:16,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:26:16,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 180 states and 271 transitions. [2018-09-30 11:26:16,921 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 271 transitions. [2018-09-30 11:26:16,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-09-30 11:26:16,922 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:26:16,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:26:16,994 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 40 proven. 380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:26:19,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:26:19,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 183 states and 277 transitions. [2018-09-30 11:26:19,615 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 277 transitions. [2018-09-30 11:26:19,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-09-30 11:26:19,616 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:26:19,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:26:19,681 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 40 proven. 380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:26:21,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:26:21,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 186 states and 280 transitions. [2018-09-30 11:26:21,762 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 280 transitions. [2018-09-30 11:26:21,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-09-30 11:26:21,763 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:26:21,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:26:21,828 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 40 proven. 380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:26:22,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:26:22,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 187 states and 280 transitions. [2018-09-30 11:26:22,664 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 280 transitions. [2018-09-30 11:26:22,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-09-30 11:26:22,665 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:26:22,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:26:22,733 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 40 proven. 380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:26:24,439 WARN L178 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2018-09-30 11:26:25,712 WARN L178 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2018-09-30 11:26:25,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:26:25,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 189 states and 283 transitions. [2018-09-30 11:26:25,747 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 283 transitions. [2018-09-30 11:26:25,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-09-30 11:26:25,748 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:26:25,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:26:25,810 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 40 proven. 380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:26:27,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:26:27,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 190 states and 283 transitions. [2018-09-30 11:26:27,167 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 283 transitions. [2018-09-30 11:26:27,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-09-30 11:26:27,168 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:26:27,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:26:27,245 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 40 proven. 380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:26:28,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:26:28,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 191 states and 283 transitions. [2018-09-30 11:26:28,189 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 283 transitions. [2018-09-30 11:26:28,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-09-30 11:26:28,189 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:26:28,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:26:28,247 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 80 proven. 380 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-09-30 11:26:42,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:26:42,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 215 states and 312 transitions. [2018-09-30 11:26:42,470 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 312 transitions. [2018-09-30 11:26:42,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-09-30 11:26:42,470 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:26:42,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:26:42,536 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 80 proven. 380 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-09-30 11:26:43,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:26:43,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 216 states and 312 transitions. [2018-09-30 11:26:43,552 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 312 transitions. [2018-09-30 11:26:43,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-09-30 11:26:43,552 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:26:43,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:26:43,621 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 80 proven. 380 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-09-30 11:26:46,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:26:46,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 219 states and 318 transitions. [2018-09-30 11:26:46,462 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 318 transitions. [2018-09-30 11:26:46,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-09-30 11:26:46,463 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:26:46,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:26:46,532 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 80 proven. 380 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-09-30 11:26:49,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:26:49,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 220 states and 318 transitions. [2018-09-30 11:26:49,005 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 318 transitions. [2018-09-30 11:26:49,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-09-30 11:26:49,006 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:26:49,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:26:49,058 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 80 proven. 380 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-09-30 11:26:50,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:26:50,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 221 states and 318 transitions. [2018-09-30 11:26:50,223 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 318 transitions. [2018-09-30 11:26:50,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-09-30 11:26:50,223 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:26:50,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:26:50,293 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 80 proven. 380 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-09-30 11:26:51,418 WARN L178 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 21 DAG size of output: 20 [2018-09-30 11:26:52,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:26:52,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 222 states and 318 transitions. [2018-09-30 11:26:52,169 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 318 transitions. [2018-09-30 11:26:52,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-09-30 11:26:52,170 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:26:52,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:26:52,244 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 80 proven. 380 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-09-30 11:26:53,313 WARN L178 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 16 [2018-09-30 11:26:54,305 WARN L178 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 16 [2018-09-30 11:26:57,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:26:57,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 225 states and 321 transitions. [2018-09-30 11:26:57,702 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 321 transitions. [2018-09-30 11:26:57,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-09-30 11:26:57,703 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:26:57,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:26:57,779 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 120 proven. 380 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. Received shutdown request... [2018-09-30 11:26:58,005 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 11:26:58,007 INFO L168 Benchmark]: Toolchain (without parser) took 246108.47 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 607.1 MB). Free memory was 1.5 GB in the beginning and 988.5 MB in the end (delta: 485.6 MB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. [2018-09-30 11:26:58,009 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 11:26:58,009 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.50 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 11:26:58,010 INFO L168 Benchmark]: Boogie Preprocessor took 26.30 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 11:26:58,010 INFO L168 Benchmark]: RCFGBuilder took 455.29 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 11:26:58,011 INFO L168 Benchmark]: CodeCheck took 245579.02 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 607.1 MB). Free memory was 1.5 GB in the beginning and 988.5 MB in the end (delta: 464.4 MB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. [2018-09-30 11:26:58,014 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 866 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 41.50 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 26.30 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 455.29 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 245579.02 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 607.1 MB). Free memory was 1.5 GB in the beginning and 988.5 MB in the end (delta: 464.4 MB). Peak memory consumption was 1.1 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/linear_search.i_5.bpl_svcomp-Reach-32bit-Kojak_Default.epf_KojakBplInline.xml/Csv-Benchmark-0-2018-09-30_11-26-58-026.csv Completed graceful shutdown