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/toy/nonlinear/Mult1-Safe.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1cc990c [2018-09-30 21:27:04,480 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-30 21:27:04,482 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-30 21:27:04,494 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-30 21:27:04,495 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-30 21:27:04,496 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-30 21:27:04,497 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-30 21:27:04,499 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-30 21:27:04,500 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-30 21:27:04,501 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-30 21:27:04,502 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-30 21:27:04,502 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-30 21:27:04,503 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-30 21:27:04,504 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-30 21:27:04,505 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-30 21:27:04,506 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-30 21:27:04,507 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-30 21:27:04,509 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-30 21:27:04,511 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-30 21:27:04,512 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-30 21:27:04,514 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-30 21:27:04,515 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-30 21:27:04,517 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-30 21:27:04,517 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-30 21:27:04,518 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-30 21:27:04,519 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-30 21:27:04,520 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-30 21:27:04,520 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-30 21:27:04,521 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-30 21:27:04,522 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-30 21:27:04,523 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-30 21:27:04,523 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-30 21:27:04,524 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-30 21:27:04,524 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-30 21:27:04,525 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-30 21:27:04,526 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-30 21:27:04,526 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Kojak_Default.epf [2018-09-30 21:27:04,553 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-30 21:27:04,553 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-30 21:27:04,556 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-30 21:27:04,556 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-30 21:27:04,557 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-30 21:27:04,557 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-30 21:27:04,557 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-30 21:27:04,558 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-30 21:27:04,558 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-30 21:27:04,558 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-30 21:27:04,558 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-30 21:27:04,558 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-30 21:27:04,559 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-30 21:27:04,560 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-30 21:27:04,560 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-30 21:27:04,560 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-30 21:27:04,560 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-30 21:27:04,560 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-09-30 21:27:04,562 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-09-30 21:27:04,562 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-30 21:27:04,562 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-30 21:27:04,563 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-30 21:27:04,563 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-30 21:27:04,563 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-30 21:27:04,563 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-30 21:27:04,563 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-09-30 21:27:04,564 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-30 21:27:04,564 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-30 21:27:04,564 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-30 21:27:04,615 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-30 21:27:04,628 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-30 21:27:04,632 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-30 21:27:04,634 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-30 21:27:04,634 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-30 21:27:04,635 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/nonlinear/Mult1-Safe.bpl [2018-09-30 21:27:04,635 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/nonlinear/Mult1-Safe.bpl' [2018-09-30 21:27:04,678 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-30 21:27:04,681 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-30 21:27:04,682 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-30 21:27:04,682 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-30 21:27:04,682 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-30 21:27:04,704 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "Mult1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:27:04" (1/1) ... [2018-09-30 21:27:04,717 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "Mult1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:27:04" (1/1) ... [2018-09-30 21:27:04,722 WARN L165 Inliner]: Program contained no entry procedure! [2018-09-30 21:27:04,722 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-09-30 21:27:04,722 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-09-30 21:27:04,725 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-30 21:27:04,726 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-30 21:27:04,726 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-30 21:27:04,726 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-30 21:27:04,737 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "Mult1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:27:04" (1/1) ... [2018-09-30 21:27:04,738 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "Mult1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:27:04" (1/1) ... [2018-09-30 21:27:04,738 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "Mult1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:27:04" (1/1) ... [2018-09-30 21:27:04,739 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "Mult1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:27:04" (1/1) ... [2018-09-30 21:27:04,741 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "Mult1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:27:04" (1/1) ... [2018-09-30 21:27:04,748 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "Mult1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:27:04" (1/1) ... [2018-09-30 21:27:04,749 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "Mult1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:27:04" (1/1) ... [2018-09-30 21:27:04,750 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-30 21:27:04,751 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-30 21:27:04,751 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-30 21:27:04,751 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-30 21:27:04,753 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "Mult1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:27:04" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-30 21:27:04,830 INFO L124 BoogieDeclarations]: Specification and implementation of procedure mult given in one single declaration [2018-09-30 21:27:04,830 INFO L130 BoogieDeclarations]: Found specification of procedure mult [2018-09-30 21:27:04,830 INFO L138 BoogieDeclarations]: Found implementation of procedure mult [2018-09-30 21:27:04,906 WARN L639 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-09-30 21:27:05,075 INFO L345 CfgBuilder]: Using library mode [2018-09-30 21:27:05,075 INFO L202 PluginConnector]: Adding new model Mult1-Safe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.09 09:27:05 BoogieIcfgContainer [2018-09-30 21:27:05,076 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-30 21:27:05,076 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-09-30 21:27:05,076 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-09-30 21:27:05,088 INFO L276 PluginConnector]: CodeCheck initialized [2018-09-30 21:27:05,088 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "Mult1-Safe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.09 09:27:05" (1/1) ... [2018-09-30 21:27:05,101 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 21:27:05,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:27:05,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 5 transitions. [2018-09-30 21:27:05,138 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 5 transitions. [2018-09-30 21:27:05,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-09-30 21:27:05,142 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:27:05,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:27:05,245 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:27:05,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:27:05,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:27:05,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 7 states and 11 transitions. [2018-09-30 21:27:05,621 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 11 transitions. [2018-09-30 21:27:05,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:27:05,624 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:27:05,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:27:05,637 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:27:05,842 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:27:06,058 WARN L178 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 9 DAG size of output: 8 [2018-09-30 21:27:06,397 WARN L178 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2018-09-30 21:27:06,843 WARN L178 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2018-09-30 21:27:07,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:27:07,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 10 states and 18 transitions. [2018-09-30 21:27:07,088 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 18 transitions. [2018-09-30 21:27:07,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-30 21:27:07,089 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:27:07,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:27:07,121 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:27:07,234 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:27:07,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:27:07,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 12 states and 23 transitions. [2018-09-30 21:27:07,831 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 23 transitions. [2018-09-30 21:27:07,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-30 21:27:07,832 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:27:07,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:27:07,850 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:27:08,006 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 21:27:08,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:27:08,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 15 states and 29 transitions. [2018-09-30 21:27:08,968 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 29 transitions. [2018-09-30 21:27:08,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-30 21:27:08,969 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:27:08,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:27:08,990 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:27:09,120 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:27:09,718 WARN L178 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2018-09-30 21:27:09,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:27:09,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 18 states and 34 transitions. [2018-09-30 21:27:09,994 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 34 transitions. [2018-09-30 21:27:09,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-30 21:27:09,995 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:27:10,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:27:10,039 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:27:10,229 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:27:11,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:27:11,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 20 states and 39 transitions. [2018-09-30 21:27:11,250 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 39 transitions. [2018-09-30 21:27:11,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-30 21:27:11,251 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:27:11,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:27:11,287 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:27:11,561 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:27:12,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:27:12,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 23 states and 44 transitions. [2018-09-30 21:27:12,582 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 44 transitions. [2018-09-30 21:27:12,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-30 21:27:12,583 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:27:12,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:27:12,609 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:27:12,886 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:27:13,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:27:13,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 25 states and 48 transitions. [2018-09-30 21:27:13,711 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 48 transitions. [2018-09-30 21:27:13,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-30 21:27:13,712 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:27:13,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:27:13,749 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:27:14,044 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:27:14,516 WARN L178 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2018-09-30 21:27:15,747 WARN L178 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2018-09-30 21:27:16,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:27:16,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 27 states and 52 transitions. [2018-09-30 21:27:16,266 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 52 transitions. [2018-09-30 21:27:16,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-30 21:27:16,267 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:27:16,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:27:16,309 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:27:17,289 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:27:18,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:27:18,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 29 states and 56 transitions. [2018-09-30 21:27:18,605 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 56 transitions. [2018-09-30 21:27:18,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-30 21:27:18,606 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:27:18,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:27:18,637 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:27:18,931 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:27:20,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:27:20,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 31 states and 60 transitions. [2018-09-30 21:27:20,356 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 60 transitions. [2018-09-30 21:27:20,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-30 21:27:20,357 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:27:20,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:27:20,408 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:27:20,747 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:27:22,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:27:22,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 33 states and 65 transitions. [2018-09-30 21:27:22,776 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 65 transitions. [2018-09-30 21:27:22,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-09-30 21:27:22,778 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:27:22,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:27:22,833 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:27:23,250 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:27:24,510 WARN L178 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2018-09-30 21:27:24,992 WARN L178 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2018-09-30 21:27:25,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:27:25,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 36 states and 71 transitions. [2018-09-30 21:27:25,763 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 71 transitions. [2018-09-30 21:27:25,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-30 21:27:25,764 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:27:25,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:27:25,822 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:27:26,353 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:27:27,544 WARN L178 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2018-09-30 21:27:28,105 WARN L178 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2018-09-30 21:27:28,591 WARN L178 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2018-09-30 21:27:29,011 WARN L178 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2018-09-30 21:27:29,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:27:29,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 39 states and 77 transitions. [2018-09-30 21:27:29,029 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 77 transitions. [2018-09-30 21:27:29,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-09-30 21:27:29,030 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:27:29,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:27:29,079 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:27:29,779 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:27:30,887 WARN L178 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2018-09-30 21:27:31,338 WARN L178 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2018-09-30 21:27:31,851 WARN L178 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2018-09-30 21:27:32,258 WARN L178 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2018-09-30 21:27:32,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:27:32,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 42 states and 82 transitions. [2018-09-30 21:27:32,281 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 82 transitions. [2018-09-30 21:27:32,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-30 21:27:32,282 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:27:32,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:27:32,364 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:27:32,868 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:27:33,663 WARN L178 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2018-09-30 21:27:34,373 WARN L178 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2018-09-30 21:27:34,881 WARN L178 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2018-09-30 21:27:35,435 WARN L178 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2018-09-30 21:27:35,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:27:35,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 44 states and 87 transitions. [2018-09-30 21:27:35,453 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 87 transitions. [2018-09-30 21:27:35,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-09-30 21:27:35,454 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:27:35,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:27:35,544 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:27:36,179 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:27:37,869 WARN L178 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2018-09-30 21:27:38,612 WARN L178 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2018-09-30 21:27:39,175 WARN L178 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2018-09-30 21:27:39,677 WARN L178 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2018-09-30 21:27:39,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:27:39,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 47 states and 93 transitions. [2018-09-30 21:27:39,696 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 93 transitions. [2018-09-30 21:27:39,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-09-30 21:27:39,697 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:27:39,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:27:39,813 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:27:40,486 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:27:42,349 WARN L178 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2018-09-30 21:27:43,167 WARN L178 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2018-09-30 21:27:43,781 WARN L178 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2018-09-30 21:27:44,342 WARN L178 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2018-09-30 21:27:44,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:27:44,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 50 states and 99 transitions. [2018-09-30 21:27:44,369 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 99 transitions. [2018-09-30 21:27:44,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-09-30 21:27:44,371 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:27:44,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:27:44,411 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:27:45,282 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:27:46,842 WARN L178 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2018-09-30 21:27:47,491 WARN L178 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2018-09-30 21:27:48,176 WARN L178 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2018-09-30 21:27:48,796 WARN L178 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2018-09-30 21:27:48,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:27:48,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 53 states and 104 transitions. [2018-09-30 21:27:48,835 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 104 transitions. [2018-09-30 21:27:48,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-09-30 21:27:48,836 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:27:48,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:27:48,903 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:27:49,857 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:27:50,761 WARN L178 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2018-09-30 21:27:51,465 WARN L178 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2018-09-30 21:27:52,173 WARN L178 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2018-09-30 21:27:52,847 WARN L178 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2018-09-30 21:27:52,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:27:52,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 55 states and 108 transitions. [2018-09-30 21:27:52,865 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 108 transitions. [2018-09-30 21:27:52,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-09-30 21:27:52,867 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:27:52,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:27:52,913 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:27:53,846 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 21:27:54,679 WARN L178 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2018-09-30 21:27:55,425 WARN L178 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2018-09-30 21:27:56,276 WARN L178 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 149 [2018-09-30 21:27:57,055 WARN L178 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2018-09-30 21:27:57,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:27:57,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 57 states and 112 transitions. [2018-09-30 21:27:57,077 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 112 transitions. [2018-09-30 21:27:57,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-09-30 21:27:57,078 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:27:57,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:27:57,132 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:27:58,171 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:27:59,067 WARN L178 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2018-09-30 21:27:59,880 WARN L178 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2018-09-30 21:28:00,664 WARN L178 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2018-09-30 21:28:01,412 WARN L178 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2018-09-30 21:28:01,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:28:01,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 59 states and 116 transitions. [2018-09-30 21:28:01,431 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 116 transitions. [2018-09-30 21:28:01,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-09-30 21:28:01,432 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:28:01,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:28:01,684 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:28:02,988 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:28:03,725 WARN L178 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 46 [2018-09-30 21:28:04,459 WARN L178 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2018-09-30 21:28:05,770 WARN L178 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 182 [2018-09-30 21:28:06,617 WARN L178 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2018-09-30 21:28:07,435 WARN L178 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2018-09-30 21:28:07,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:28:07,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 61 states and 121 transitions. [2018-09-30 21:28:07,458 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 121 transitions. [2018-09-30 21:28:07,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-09-30 21:28:07,459 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:28:07,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:28:07,512 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:28:08,744 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:28:10,897 WARN L178 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2018-09-30 21:28:11,894 WARN L178 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2018-09-30 21:28:12,824 WARN L178 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2018-09-30 21:28:13,723 WARN L178 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2018-09-30 21:28:13,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:28:13,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 64 states and 126 transitions. [2018-09-30 21:28:13,750 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 126 transitions. [2018-09-30 21:28:13,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-09-30 21:28:13,750 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:28:14,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:28:14,029 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:28:15,194 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:28:16,796 WARN L178 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2018-09-30 21:28:18,206 WARN L178 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2018-09-30 21:28:19,157 WARN L178 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2018-09-30 21:28:20,111 WARN L178 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2018-09-30 21:28:20,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:28:20,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 66 states and 131 transitions. [2018-09-30 21:28:20,133 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 131 transitions. [2018-09-30 21:28:20,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-09-30 21:28:20,134 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:28:20,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:28:20,456 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:28:21,910 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:28:24,664 WARN L178 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2018-09-30 21:28:26,137 WARN L178 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2018-09-30 21:28:27,150 WARN L178 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2018-09-30 21:28:28,221 WARN L178 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 185 [2018-09-30 21:28:28,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:28:28,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 69 states and 137 transitions. [2018-09-30 21:28:28,248 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 137 transitions. [2018-09-30 21:28:28,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-09-30 21:28:28,249 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:28:28,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:28:28,304 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:28:29,842 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:28:32,190 WARN L178 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2018-09-30 21:28:33,356 WARN L178 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2018-09-30 21:28:34,487 WARN L178 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2018-09-30 21:28:35,618 WARN L178 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2018-09-30 21:28:35,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:28:35,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 72 states and 142 transitions. [2018-09-30 21:28:35,645 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 142 transitions. [2018-09-30 21:28:35,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-09-30 21:28:35,645 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:28:36,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:28:36,054 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:28:38,298 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:28:39,321 WARN L178 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 25 [2018-09-30 21:28:40,286 WARN L178 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2018-09-30 21:28:41,949 WARN L178 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2018-09-30 21:28:43,093 WARN L178 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2018-09-30 21:28:44,272 WARN L178 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2018-09-30 21:28:44,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:28:44,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 74 states and 147 transitions. [2018-09-30 21:28:44,300 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 147 transitions. [2018-09-30 21:28:44,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-09-30 21:28:44,300 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:28:44,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:28:44,381 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:28:46,755 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 0 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:28:49,403 WARN L178 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2018-09-30 21:28:50,764 WARN L178 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2018-09-30 21:28:51,991 WARN L178 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2018-09-30 21:28:53,260 WARN L178 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2018-09-30 21:28:53,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:28:53,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 77 states and 152 transitions. [2018-09-30 21:28:53,291 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 152 transitions. [2018-09-30 21:28:53,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-09-30 21:28:53,291 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:28:53,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:28:53,379 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:28:55,261 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:28:56,691 WARN L178 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2018-09-30 21:28:58,093 WARN L178 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2018-09-30 21:28:59,396 WARN L178 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2018-09-30 21:29:00,711 WARN L178 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2018-09-30 21:29:00,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:29:00,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 79 states and 156 transitions. [2018-09-30 21:29:00,750 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 156 transitions. [2018-09-30 21:29:00,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-09-30 21:29:00,750 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:29:01,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:29:01,706 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:29:04,290 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:29:05,370 WARN L178 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 32 [2018-09-30 21:29:06,481 WARN L178 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 243 [2018-09-30 21:29:08,515 WARN L178 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 244 [2018-09-30 21:29:09,873 WARN L178 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2018-09-30 21:29:11,268 WARN L178 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2018-09-30 21:29:11,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:29:11,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 81 states and 161 transitions. [2018-09-30 21:29:11,305 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 161 transitions. [2018-09-30 21:29:11,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-09-30 21:29:11,305 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:29:11,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:29:11,940 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:29:14,938 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 0 proven. 496 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:29:17,552 WARN L178 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 18 [2018-09-30 21:29:18,753 WARN L178 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 251 [2018-09-30 21:29:20,805 WARN L178 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 252 [2018-09-30 21:29:22,535 WARN L178 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2018-09-30 21:29:24,019 WARN L178 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2018-09-30 21:29:24,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:29:24,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 84 states and 167 transitions. [2018-09-30 21:29:24,049 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 167 transitions. [2018-09-30 21:29:24,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-09-30 21:29:24,049 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:29:24,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:29:24,744 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:29:27,752 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 0 proven. 528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:29:30,507 WARN L178 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 18 [2018-09-30 21:29:31,768 WARN L178 SmtUtils]: Spent 383.00 ms on a formula simplification that was a NOOP. DAG size: 259 [2018-09-30 21:29:34,007 WARN L178 SmtUtils]: Spent 388.00 ms on a formula simplification that was a NOOP. DAG size: 260 [2018-09-30 21:29:35,501 WARN L178 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2018-09-30 21:29:37,069 WARN L178 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2018-09-30 21:29:37,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:29:37,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 87 states and 173 transitions. [2018-09-30 21:29:37,106 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 173 transitions. [2018-09-30 21:29:37,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-09-30 21:29:37,106 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:29:37,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:29:37,201 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:29:40,491 INFO L134 CoverageAnalysis]: Checked inductivity of 561 backedges. 0 proven. 561 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:29:43,865 WARN L178 SmtUtils]: Spent 408.00 ms on a formula simplification that was a NOOP. DAG size: 267 [2018-09-30 21:29:45,634 WARN L178 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 268 [2018-09-30 21:29:47,200 WARN L178 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 240 [2018-09-30 21:29:48,876 WARN L178 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 241 [2018-09-30 21:29:48,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:29:48,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 90 states and 178 transitions. [2018-09-30 21:29:48,910 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 178 transitions. [2018-09-30 21:29:48,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-09-30 21:29:48,910 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:29:48,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:29:48,985 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:29:51,831 INFO L134 CoverageAnalysis]: Checked inductivity of 595 backedges. 0 proven. 595 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:29:53,698 WARN L178 SmtUtils]: Spent 411.00 ms on a formula simplification that was a NOOP. DAG size: 275 [2018-09-30 21:29:55,564 WARN L178 SmtUtils]: Spent 408.00 ms on a formula simplification that was a NOOP. DAG size: 276 [2018-09-30 21:29:57,152 WARN L178 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 247 [2018-09-30 21:29:58,866 WARN L178 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 248 [2018-09-30 21:29:58,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:29:58,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 92 states and 182 transitions. [2018-09-30 21:29:58,899 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 182 transitions. [2018-09-30 21:29:58,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-09-30 21:29:58,899 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:29:58,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:29:58,974 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:30:01,794 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 630 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:30:03,760 WARN L178 SmtUtils]: Spent 435.00 ms on a formula simplification that was a NOOP. DAG size: 283 [2018-09-30 21:30:05,719 WARN L178 SmtUtils]: Spent 437.00 ms on a formula simplification that was a NOOP. DAG size: 284 [2018-09-30 21:30:07,418 WARN L178 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 254 [2018-09-30 21:30:09,234 WARN L178 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 255 [2018-09-30 21:30:09,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:30:09,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 94 states and 186 transitions. [2018-09-30 21:30:09,270 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 186 transitions. [2018-09-30 21:30:09,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-09-30 21:30:09,270 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:30:09,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:30:09,355 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:30:12,364 INFO L134 CoverageAnalysis]: Checked inductivity of 666 backedges. 0 proven. 666 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:30:14,403 WARN L178 SmtUtils]: Spent 447.00 ms on a formula simplification that was a NOOP. DAG size: 291 [2018-09-30 21:30:16,483 WARN L178 SmtUtils]: Spent 448.00 ms on a formula simplification that was a NOOP. DAG size: 292 [2018-09-30 21:30:18,257 WARN L178 SmtUtils]: Spent 391.00 ms on a formula simplification that was a NOOP. DAG size: 261 [2018-09-30 21:30:20,163 WARN L178 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 262 [2018-09-30 21:30:20,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:30:20,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 96 states and 190 transitions. [2018-09-30 21:30:20,207 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 190 transitions. [2018-09-30 21:30:20,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-09-30 21:30:20,207 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:30:21,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:30:21,525 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:30:24,291 INFO L134 CoverageAnalysis]: Checked inductivity of 703 backedges. 0 proven. 703 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:30:25,967 WARN L178 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 297 DAG size of output: 46 [2018-09-30 21:30:27,591 WARN L178 SmtUtils]: Spent 491.00 ms on a formula simplification that was a NOOP. DAG size: 299 [2018-09-30 21:30:30,615 WARN L178 SmtUtils]: Spent 478.00 ms on a formula simplification that was a NOOP. DAG size: 300 [2018-09-30 21:30:32,450 WARN L178 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 268 [2018-09-30 21:30:34,508 WARN L178 SmtUtils]: Spent 397.00 ms on a formula simplification that was a NOOP. DAG size: 269 [2018-09-30 21:30:34,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:30:34,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 98 states and 195 transitions. [2018-09-30 21:30:34,555 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 195 transitions. [2018-09-30 21:30:34,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-09-30 21:30:34,556 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:30:34,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:30:34,671 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:30:37,982 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:30:42,298 WARN L178 SmtUtils]: Spent 495.00 ms on a formula simplification that was a NOOP. DAG size: 307 [2018-09-30 21:30:44,571 WARN L178 SmtUtils]: Spent 514.00 ms on a formula simplification that was a NOOP. DAG size: 308 [2018-09-30 21:30:46,489 WARN L178 SmtUtils]: Spent 403.00 ms on a formula simplification that was a NOOP. DAG size: 275 [2018-09-30 21:30:48,649 WARN L178 SmtUtils]: Spent 432.00 ms on a formula simplification that was a NOOP. DAG size: 276 [2018-09-30 21:30:48,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:30:48,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 101 states and 200 transitions. [2018-09-30 21:30:48,685 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 200 transitions. [2018-09-30 21:30:48,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-09-30 21:30:48,686 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:30:49,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:30:49,770 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:30:53,641 INFO L134 CoverageAnalysis]: Checked inductivity of 780 backedges. 0 proven. 780 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:30:55,399 WARN L178 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 313 DAG size of output: 25 [2018-09-30 21:30:57,099 WARN L178 SmtUtils]: Spent 496.00 ms on a formula simplification that was a NOOP. DAG size: 315 [2018-09-30 21:31:00,184 WARN L178 SmtUtils]: Spent 497.00 ms on a formula simplification that was a NOOP. DAG size: 316 [2018-09-30 21:31:02,179 WARN L178 SmtUtils]: Spent 397.00 ms on a formula simplification that was a NOOP. DAG size: 282 [2018-09-30 21:31:04,413 WARN L178 SmtUtils]: Spent 420.00 ms on a formula simplification that was a NOOP. DAG size: 283 [2018-09-30 21:31:04,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:31:04,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 103 states and 205 transitions. [2018-09-30 21:31:04,454 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 205 transitions. [2018-09-30 21:31:04,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-09-30 21:31:04,454 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:31:04,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:31:04,567 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:31:08,923 INFO L134 CoverageAnalysis]: Checked inductivity of 820 backedges. 0 proven. 820 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:31:13,538 WARN L178 SmtUtils]: Spent 530.00 ms on a formula simplification that was a NOOP. DAG size: 322 [2018-09-30 21:31:15,939 WARN L178 SmtUtils]: Spent 527.00 ms on a formula simplification that was a NOOP. DAG size: 323 [2018-09-30 21:31:18,045 WARN L178 SmtUtils]: Spent 426.00 ms on a formula simplification that was a NOOP. DAG size: 289 [2018-09-30 21:31:20,349 WARN L178 SmtUtils]: Spent 442.00 ms on a formula simplification that was a NOOP. DAG size: 290 [2018-09-30 21:31:20,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:31:20,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 106 states and 210 transitions. [2018-09-30 21:31:20,395 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 210 transitions. [2018-09-30 21:31:20,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-09-30 21:31:20,396 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:31:20,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:31:20,588 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:31:24,208 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 0 proven. 861 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:31:26,688 WARN L178 SmtUtils]: Spent 540.00 ms on a formula simplification that was a NOOP. DAG size: 329 [2018-09-30 21:31:29,205 WARN L178 SmtUtils]: Spent 541.00 ms on a formula simplification that was a NOOP. DAG size: 330 [2018-09-30 21:31:31,365 WARN L178 SmtUtils]: Spent 451.00 ms on a formula simplification that was a NOOP. DAG size: 296 [2018-09-30 21:31:33,807 WARN L178 SmtUtils]: Spent 442.00 ms on a formula simplification that was a NOOP. DAG size: 297 [2018-09-30 21:31:33,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:31:33,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 108 states and 214 transitions. [2018-09-30 21:31:33,844 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 214 transitions. [2018-09-30 21:31:33,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-09-30 21:31:33,845 INFO L423 CodeCheckObserver]: Error Path is FOUND. Received shutdown request... [2018-09-30 21:31:35,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:31:35,373 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:31:35,374 INFO L177 TraceCheckSpWp]: Timeout while computing interpolants [2018-09-30 21:31:35,374 INFO L256 ToolchainWalker]: Toolchain cancelled while executing plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck. Reason: Timeout or Toolchain cancelled by user [2018-09-30 21:31:35,376 INFO L168 Benchmark]: Toolchain (without parser) took 270697.16 ms. Allocated memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: -53.0 MB). Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 275.8 MB). Peak memory consumption was 222.8 MB. Max. memory is 7.1 GB. [2018-09-30 21:31:35,377 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-30 21:31:35,377 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.03 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-30 21:31:35,377 INFO L168 Benchmark]: Boogie Preprocessor took 25.10 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-30 21:31:35,378 INFO L168 Benchmark]: RCFGBuilder took 324.63 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-09-30 21:31:35,378 INFO L168 Benchmark]: CodeCheck took 270299.10 ms. Allocated memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: -53.0 MB). Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 254.6 MB). Peak memory consumption was 201.7 MB. Max. memory is 7.1 GB. [2018-09-30 21:31:35,381 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - TimeoutResult: Timeout (de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck) Toolchain cancelled while TraceCheckSpWp was constructing forward predicates, while XnfDer was eliminating 1 quantified variables from 2 xjuncts. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 43.03 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 25.10 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 324.63 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * CodeCheck took 270299.10 ms. Allocated memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: -53.0 MB). Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 254.6 MB). Peak memory consumption was 201.7 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Mult1-Safe.bpl_svcomp-Reach-32bit-Kojak_Default.epf_KojakBplInline.xml/Csv-Benchmark-0-2018-09-30_21-31-35-392.csv Completed graceful shutdown