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/tooDifficultLoopInvariant/PointerIncrement.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-b2fde6a [2018-09-28 11:15:26,468 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-28 11:15:26,471 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-28 11:15:26,483 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-28 11:15:26,483 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-28 11:15:26,484 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-28 11:15:26,486 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-28 11:15:26,487 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-28 11:15:26,489 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-28 11:15:26,490 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-28 11:15:26,491 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-28 11:15:26,491 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-28 11:15:26,492 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-28 11:15:26,493 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-28 11:15:26,494 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-28 11:15:26,495 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-28 11:15:26,496 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-28 11:15:26,497 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-28 11:15:26,499 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-28 11:15:26,501 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-28 11:15:26,502 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-28 11:15:26,503 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-28 11:15:26,506 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-28 11:15:26,506 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-28 11:15:26,507 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-28 11:15:26,508 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-28 11:15:26,509 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-28 11:15:26,509 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-28 11:15:26,510 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-28 11:15:26,511 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-28 11:15:26,512 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-28 11:15:26,512 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-28 11:15:26,513 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-28 11:15:26,513 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-28 11:15:26,514 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-28 11:15:26,514 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-28 11:15:26,515 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 [2018-09-28 11:15:26,545 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-28 11:15:26,546 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-28 11:15:26,547 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-28 11:15:26,547 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-28 11:15:26,547 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-28 11:15:26,548 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-28 11:15:26,548 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-28 11:15:26,548 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-28 11:15:26,548 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-28 11:15:26,549 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-28 11:15:26,550 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-28 11:15:26,550 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-28 11:15:26,550 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-28 11:15:26,550 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-28 11:15:26,550 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-28 11:15:26,550 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-28 11:15:26,551 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-28 11:15:26,551 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-09-28 11:15:26,551 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-09-28 11:15:26,552 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-28 11:15:26,553 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-28 11:15:26,553 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-28 11:15:26,553 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-28 11:15:26,553 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-28 11:15:26,553 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-28 11:15:26,554 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-09-28 11:15:26,554 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-28 11:15:26,554 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-28 11:15:26,554 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-28 11:15:26,625 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-28 11:15:26,639 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-28 11:15:26,644 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-28 11:15:26,645 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-28 11:15:26,646 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-28 11:15:26,647 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/PointerIncrement.bpl [2018-09-28 11:15:26,647 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/PointerIncrement.bpl' [2018-09-28 11:15:26,720 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-28 11:15:26,723 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-28 11:15:26,724 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-28 11:15:26,724 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-28 11:15:26,724 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-28 11:15:26,744 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "PointerIncrement.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 11:15:26" (1/1) ... [2018-09-28 11:15:26,762 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "PointerIncrement.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 11:15:26" (1/1) ... [2018-09-28 11:15:26,788 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-28 11:15:26,792 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-28 11:15:26,792 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-28 11:15:26,792 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-28 11:15:26,803 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "PointerIncrement.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 11:15:26" (1/1) ... [2018-09-28 11:15:26,803 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "PointerIncrement.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 11:15:26" (1/1) ... [2018-09-28 11:15:26,809 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "PointerIncrement.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 11:15:26" (1/1) ... [2018-09-28 11:15:26,809 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "PointerIncrement.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 11:15:26" (1/1) ... [2018-09-28 11:15:26,816 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "PointerIncrement.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 11:15:26" (1/1) ... [2018-09-28 11:15:26,820 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "PointerIncrement.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 11:15:26" (1/1) ... [2018-09-28 11:15:26,821 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "PointerIncrement.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 11:15:26" (1/1) ... [2018-09-28 11:15:26,823 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-28 11:15:26,823 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-28 11:15:26,823 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-28 11:15:26,824 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-28 11:15:26,825 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "PointerIncrement.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 11:15:26" (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 [2018-09-28 11:15:26,887 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-28 11:15:26,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-28 11:15:27,320 INFO L353 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-28 11:15:27,321 INFO L202 PluginConnector]: Adding new model PointerIncrement.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.09 11:15:27 BoogieIcfgContainer [2018-09-28 11:15:27,321 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-28 11:15:27,322 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-09-28 11:15:27,322 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-09-28 11:15:27,334 INFO L276 PluginConnector]: CodeCheck initialized [2018-09-28 11:15:27,334 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "PointerIncrement.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.09 11:15:27" (1/1) ... [2018-09-28 11:15:27,347 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-28 11:15:27,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:15:27,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 10 states and 12 transitions. [2018-09-28 11:15:27,390 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 12 transitions. [2018-09-28 11:15:27,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-28 11:15:27,393 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:15:27,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:15:27,644 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:15:27,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:15:27,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 13 states and 15 transitions. [2018-09-28 11:15:27,771 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2018-09-28 11:15:27,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-28 11:15:27,772 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:15:27,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:15:28,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:15:28,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:15:28,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 17 states and 22 transitions. [2018-09-28 11:15:28,952 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 22 transitions. [2018-09-28 11:15:28,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-28 11:15:28,955 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:15:28,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:15:29,048 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:15:29,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:15:29,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 18 states and 24 transitions. [2018-09-28 11:15:29,469 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 24 transitions. [2018-09-28 11:15:29,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-28 11:15:29,469 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:15:29,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:15:29,522 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-09-28 11:15:29,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:15:29,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 19 states and 25 transitions. [2018-09-28 11:15:29,999 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 25 transitions. [2018-09-28 11:15:29,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-28 11:15:29,999 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:15:30,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:15:30,153 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:15:31,003 WARN L178 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 17 DAG size of output: 17 [2018-09-28 11:15:31,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:15:31,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 27 states and 41 transitions. [2018-09-28 11:15:31,695 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 41 transitions. [2018-09-28 11:15:31,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-28 11:15:31,697 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:15:31,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:15:31,738 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-09-28 11:15:32,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:15:32,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 27 states and 40 transitions. [2018-09-28 11:15:32,218 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 40 transitions. [2018-09-28 11:15:32,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-09-28 11:15:32,219 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:15:32,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:15:32,479 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:15:33,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:15:33,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 52 transitions. [2018-09-28 11:15:33,963 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 52 transitions. [2018-09-28 11:15:33,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-09-28 11:15:33,964 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:15:33,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:15:34,009 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:15:34,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:15:34,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 32 states and 51 transitions. [2018-09-28 11:15:34,561 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 51 transitions. [2018-09-28 11:15:34,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-09-28 11:15:34,562 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:15:34,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:15:34,596 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-09-28 11:15:34,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:15:34,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2018-09-28 11:15:34,983 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2018-09-28 11:15:34,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-09-28 11:15:34,985 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:15:35,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:15:35,173 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:15:36,646 WARN L178 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 23 [2018-09-28 11:15:37,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:15:37,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 37 states and 62 transitions. [2018-09-28 11:15:37,862 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 62 transitions. [2018-09-28 11:15:37,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-09-28 11:15:37,863 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:15:37,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:15:37,912 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-09-28 11:15:38,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:15:38,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 37 states and 61 transitions. [2018-09-28 11:15:38,499 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 61 transitions. [2018-09-28 11:15:38,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-09-28 11:15:38,501 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:15:38,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:15:39,420 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:15:41,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:15:41,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 42 states and 74 transitions. [2018-09-28 11:15:41,513 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 74 transitions. [2018-09-28 11:15:41,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-09-28 11:15:41,517 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:15:41,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:15:41,568 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2018-09-28 11:15:42,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:15:42,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 42 states and 73 transitions. [2018-09-28 11:15:42,254 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 73 transitions. [2018-09-28 11:15:42,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-09-28 11:15:42,256 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:15:42,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:15:42,750 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:15:44,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:15:44,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 47 states and 87 transitions. [2018-09-28 11:15:44,911 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 87 transitions. [2018-09-28 11:15:44,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-09-28 11:15:44,912 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:15:44,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:15:44,945 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2018-09-28 11:15:45,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:15:45,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2018-09-28 11:15:45,585 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2018-09-28 11:15:45,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-09-28 11:15:45,587 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:15:45,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:15:46,107 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 99 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:15:48,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:15:48,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 52 states and 101 transitions. [2018-09-28 11:15:48,391 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 101 transitions. [2018-09-28 11:15:48,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-09-28 11:15:48,393 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:15:48,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:15:48,446 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2018-09-28 11:15:49,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:15:49,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 52 states and 100 transitions. [2018-09-28 11:15:49,180 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 100 transitions. [2018-09-28 11:15:49,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-09-28 11:15:49,182 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:15:49,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:15:49,473 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 133 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:15:52,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:15:52,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 57 states and 116 transitions. [2018-09-28 11:15:52,007 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 116 transitions. [2018-09-28 11:15:52,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-09-28 11:15:52,008 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:15:52,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:15:52,041 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2018-09-28 11:15:53,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:15:53,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 57 states and 115 transitions. [2018-09-28 11:15:53,013 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 115 transitions. [2018-09-28 11:15:53,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-09-28 11:15:53,014 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:15:53,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:15:53,368 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 0 proven. 172 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:15:56,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:15:56,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 62 states and 132 transitions. [2018-09-28 11:15:56,054 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 132 transitions. [2018-09-28 11:15:56,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-09-28 11:15:56,056 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:15:56,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:15:56,090 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2018-09-28 11:15:56,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:15:56,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 62 states and 131 transitions. [2018-09-28 11:15:56,970 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 131 transitions. [2018-09-28 11:15:56,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-09-28 11:15:56,971 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:15:56,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:15:57,283 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 0 proven. 216 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:16:00,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:16:00,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 67 states and 149 transitions. [2018-09-28 11:16:00,451 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 149 transitions. [2018-09-28 11:16:00,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-09-28 11:16:00,453 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:16:00,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:16:00,487 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2018-09-28 11:16:01,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:16:01,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 67 states and 148 transitions. [2018-09-28 11:16:01,339 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 148 transitions. [2018-09-28 11:16:01,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-09-28 11:16:01,340 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:16:01,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:16:01,759 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 0 proven. 265 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:16:04,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:16:04,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 72 states and 167 transitions. [2018-09-28 11:16:04,984 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 167 transitions. [2018-09-28 11:16:04,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-09-28 11:16:04,985 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:16:04,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:16:05,021 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 297 trivial. 0 not checked. [2018-09-28 11:16:05,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:16:05,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 72 states and 166 transitions. [2018-09-28 11:16:05,928 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 166 transitions. [2018-09-28 11:16:05,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-09-28 11:16:05,929 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:16:05,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:16:06,525 INFO L134 CoverageAnalysis]: Checked inductivity of 319 backedges. 0 proven. 319 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:16:10,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:16:10,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 77 states and 186 transitions. [2018-09-28 11:16:10,080 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 186 transitions. [2018-09-28 11:16:10,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-09-28 11:16:10,081 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:16:10,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:16:10,120 INFO L134 CoverageAnalysis]: Checked inductivity of 366 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 354 trivial. 0 not checked. [2018-09-28 11:16:11,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:16:11,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 77 states and 185 transitions. [2018-09-28 11:16:11,106 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 185 transitions. [2018-09-28 11:16:11,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-09-28 11:16:11,108 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:16:11,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:16:12,337 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:16:16,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:16:16,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 82 states and 206 transitions. [2018-09-28 11:16:16,060 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 206 transitions. [2018-09-28 11:16:16,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-09-28 11:16:16,061 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:16:16,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:16:16,100 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 416 trivial. 0 not checked. [2018-09-28 11:16:17,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:16:17,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 82 states and 205 transitions. [2018-09-28 11:16:17,054 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 205 transitions. [2018-09-28 11:16:17,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-09-28 11:16:17,055 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:16:17,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:16:17,642 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 0 proven. 442 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:16:21,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:16:21,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 87 states and 227 transitions. [2018-09-28 11:16:21,407 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 227 transitions. [2018-09-28 11:16:21,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-09-28 11:16:21,408 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:16:21,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:16:21,446 INFO L134 CoverageAnalysis]: Checked inductivity of 497 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 483 trivial. 0 not checked. [2018-09-28 11:16:22,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:16:22,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 87 states and 226 transitions. [2018-09-28 11:16:22,603 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 226 transitions. [2018-09-28 11:16:22,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-09-28 11:16:22,604 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:16:22,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:16:24,128 INFO L134 CoverageAnalysis]: Checked inductivity of 511 backedges. 0 proven. 511 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:16:27,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:16:27,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 92 states and 249 transitions. [2018-09-28 11:16:27,983 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 249 transitions. [2018-09-28 11:16:27,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-09-28 11:16:27,984 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:16:27,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:16:28,022 INFO L134 CoverageAnalysis]: Checked inductivity of 570 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 555 trivial. 0 not checked. [2018-09-28 11:16:29,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:16:29,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 92 states and 248 transitions. [2018-09-28 11:16:29,466 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 248 transitions. [2018-09-28 11:16:29,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-09-28 11:16:29,467 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:16:29,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:16:30,033 INFO L134 CoverageAnalysis]: Checked inductivity of 585 backedges. 0 proven. 585 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:16:34,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:16:34,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 97 states and 272 transitions. [2018-09-28 11:16:34,267 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 272 transitions. [2018-09-28 11:16:34,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-09-28 11:16:34,269 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:16:34,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:16:34,333 INFO L134 CoverageAnalysis]: Checked inductivity of 648 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 632 trivial. 0 not checked. [2018-09-28 11:16:36,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:16:36,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 97 states and 271 transitions. [2018-09-28 11:16:36,192 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 271 transitions. [2018-09-28 11:16:36,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-09-28 11:16:36,193 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:16:36,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:16:36,842 INFO L134 CoverageAnalysis]: Checked inductivity of 664 backedges. 0 proven. 664 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:16:41,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:16:41,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 102 states and 296 transitions. [2018-09-28 11:16:41,555 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 296 transitions. [2018-09-28 11:16:41,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-09-28 11:16:41,556 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:16:41,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:16:41,599 INFO L134 CoverageAnalysis]: Checked inductivity of 731 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 714 trivial. 0 not checked. [2018-09-28 11:16:42,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:16:42,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 102 states and 295 transitions. [2018-09-28 11:16:42,799 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 295 transitions. [2018-09-28 11:16:42,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-09-28 11:16:42,800 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:16:42,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:16:44,607 INFO L134 CoverageAnalysis]: Checked inductivity of 748 backedges. 0 proven. 748 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:16:49,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:16:49,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 107 states and 321 transitions. [2018-09-28 11:16:49,500 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 321 transitions. [2018-09-28 11:16:49,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-09-28 11:16:49,501 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:16:49,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:16:49,546 INFO L134 CoverageAnalysis]: Checked inductivity of 819 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 801 trivial. 0 not checked. [2018-09-28 11:16:50,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:16:50,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 107 states and 320 transitions. [2018-09-28 11:16:50,938 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 320 transitions. [2018-09-28 11:16:50,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-09-28 11:16:50,940 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:16:50,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:16:51,715 INFO L134 CoverageAnalysis]: Checked inductivity of 837 backedges. 0 proven. 837 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:16:56,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:16:56,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 112 states and 347 transitions. [2018-09-28 11:16:56,680 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 347 transitions. [2018-09-28 11:16:56,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-09-28 11:16:56,681 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:16:56,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:16:56,724 INFO L134 CoverageAnalysis]: Checked inductivity of 912 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 893 trivial. 0 not checked. [2018-09-28 11:16:58,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:16:58,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 112 states and 346 transitions. [2018-09-28 11:16:58,271 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 346 transitions. [2018-09-28 11:16:58,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-09-28 11:16:58,272 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:16:58,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:16:58,987 INFO L134 CoverageAnalysis]: Checked inductivity of 931 backedges. 0 proven. 931 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:17:04,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:17:04,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 117 states and 374 transitions. [2018-09-28 11:17:04,366 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 374 transitions. [2018-09-28 11:17:04,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-09-28 11:17:04,367 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:17:04,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:17:04,417 INFO L134 CoverageAnalysis]: Checked inductivity of 1010 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2018-09-28 11:17:06,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:17:06,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 117 states and 373 transitions. [2018-09-28 11:17:06,090 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 373 transitions. [2018-09-28 11:17:06,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-09-28 11:17:06,092 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:17:06,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:17:06,801 INFO L134 CoverageAnalysis]: Checked inductivity of 1030 backedges. 0 proven. 1030 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:17:12,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:17:12,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 122 states and 402 transitions. [2018-09-28 11:17:12,223 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 402 transitions. [2018-09-28 11:17:12,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-09-28 11:17:12,224 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:17:12,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:17:12,277 INFO L134 CoverageAnalysis]: Checked inductivity of 1113 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 1092 trivial. 0 not checked. [2018-09-28 11:17:14,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:17:14,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 122 states and 401 transitions. [2018-09-28 11:17:14,213 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 401 transitions. [2018-09-28 11:17:14,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-09-28 11:17:14,215 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:17:14,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:17:15,251 INFO L134 CoverageAnalysis]: Checked inductivity of 1134 backedges. 0 proven. 1134 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:17:21,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:17:21,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 127 states and 431 transitions. [2018-09-28 11:17:21,118 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 431 transitions. [2018-09-28 11:17:21,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-09-28 11:17:21,119 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:17:21,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:17:21,170 INFO L134 CoverageAnalysis]: Checked inductivity of 1221 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 1199 trivial. 0 not checked. [2018-09-28 11:17:22,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:17:22,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 127 states and 430 transitions. [2018-09-28 11:17:22,640 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 430 transitions. [2018-09-28 11:17:22,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2018-09-28 11:17:22,641 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:17:22,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:17:23,354 INFO L134 CoverageAnalysis]: Checked inductivity of 1243 backedges. 0 proven. 1243 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:17:26,469 WARN L178 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2018-09-28 11:17:32,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:17:32,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 132 states and 461 transitions. [2018-09-28 11:17:32,774 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 461 transitions. [2018-09-28 11:17:32,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-09-28 11:17:32,774 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:17:32,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:17:32,824 INFO L134 CoverageAnalysis]: Checked inductivity of 1334 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 1311 trivial. 0 not checked. [2018-09-28 11:17:34,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:17:34,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 132 states and 460 transitions. [2018-09-28 11:17:34,308 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 460 transitions. [2018-09-28 11:17:34,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-09-28 11:17:34,309 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:17:34,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:17:34,992 INFO L134 CoverageAnalysis]: Checked inductivity of 1357 backedges. 0 proven. 1357 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:17:40,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:17:40,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 137 states and 492 transitions. [2018-09-28 11:17:40,730 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 492 transitions. [2018-09-28 11:17:40,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-09-28 11:17:40,731 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:17:40,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:17:40,782 INFO L134 CoverageAnalysis]: Checked inductivity of 1452 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 1428 trivial. 0 not checked. [2018-09-28 11:17:42,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:17:42,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 137 states and 491 transitions. [2018-09-28 11:17:42,322 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 491 transitions. [2018-09-28 11:17:42,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2018-09-28 11:17:42,323 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:17:42,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:17:43,162 INFO L134 CoverageAnalysis]: Checked inductivity of 1476 backedges. 0 proven. 1476 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:17:49,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:17:49,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 142 states and 524 transitions. [2018-09-28 11:17:49,031 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 524 transitions. [2018-09-28 11:17:49,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-09-28 11:17:49,032 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:17:49,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:17:49,085 INFO L134 CoverageAnalysis]: Checked inductivity of 1575 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 1550 trivial. 0 not checked. [2018-09-28 11:17:50,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:17:50,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 142 states and 523 transitions. [2018-09-28 11:17:50,680 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 523 transitions. [2018-09-28 11:17:50,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-09-28 11:17:50,681 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:17:50,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:17:51,431 INFO L134 CoverageAnalysis]: Checked inductivity of 1600 backedges. 0 proven. 1600 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:17:57,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:17:57,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 147 states and 557 transitions. [2018-09-28 11:17:57,598 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 557 transitions. [2018-09-28 11:17:57,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-09-28 11:17:57,599 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:17:57,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:17:57,656 INFO L134 CoverageAnalysis]: Checked inductivity of 1703 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 1677 trivial. 0 not checked. [2018-09-28 11:17:59,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:17:59,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 147 states and 556 transitions. [2018-09-28 11:17:59,491 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 556 transitions. [2018-09-28 11:17:59,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-09-28 11:17:59,492 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:17:59,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:18:00,256 INFO L134 CoverageAnalysis]: Checked inductivity of 1729 backedges. 0 proven. 1729 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:18:06,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:18:06,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 152 states and 591 transitions. [2018-09-28 11:18:06,769 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 591 transitions. [2018-09-28 11:18:06,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-09-28 11:18:06,770 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:18:06,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:18:06,832 INFO L134 CoverageAnalysis]: Checked inductivity of 1836 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 1809 trivial. 0 not checked. [2018-09-28 11:18:08,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:18:08,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 152 states and 590 transitions. [2018-09-28 11:18:08,626 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 590 transitions. [2018-09-28 11:18:08,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-09-28 11:18:08,627 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:18:08,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:18:09,369 INFO L134 CoverageAnalysis]: Checked inductivity of 1863 backedges. 0 proven. 1863 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:18:15,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:18:15,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 626 states to 157 states and 626 transitions. [2018-09-28 11:18:15,979 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 626 transitions. [2018-09-28 11:18:15,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-09-28 11:18:15,980 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:18:15,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:18:16,038 INFO L134 CoverageAnalysis]: Checked inductivity of 1974 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 1946 trivial. 0 not checked. [2018-09-28 11:18:17,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:18:17,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 625 states to 157 states and 625 transitions. [2018-09-28 11:18:17,938 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 625 transitions. [2018-09-28 11:18:17,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-09-28 11:18:17,938 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:18:17,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:18:18,723 INFO L134 CoverageAnalysis]: Checked inductivity of 2002 backedges. 0 proven. 2002 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:18:25,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:18:25,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 162 states and 662 transitions. [2018-09-28 11:18:25,527 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 662 transitions. [2018-09-28 11:18:25,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-09-28 11:18:25,528 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:18:25,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:18:25,726 INFO L134 CoverageAnalysis]: Checked inductivity of 2117 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 2088 trivial. 0 not checked. [2018-09-28 11:18:27,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:18:27,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 661 states to 162 states and 661 transitions. [2018-09-28 11:18:27,537 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 661 transitions. [2018-09-28 11:18:27,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-09-28 11:18:27,538 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:18:27,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:18:28,347 INFO L134 CoverageAnalysis]: Checked inductivity of 2146 backedges. 0 proven. 2146 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:18:35,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:18:35,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 167 states and 699 transitions. [2018-09-28 11:18:35,300 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 699 transitions. [2018-09-28 11:18:35,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-09-28 11:18:35,301 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:18:35,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:18:35,358 INFO L134 CoverageAnalysis]: Checked inductivity of 2265 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 2235 trivial. 0 not checked. [2018-09-28 11:18:37,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:18:37,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 698 states to 167 states and 698 transitions. [2018-09-28 11:18:37,501 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 698 transitions. [2018-09-28 11:18:37,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-09-28 11:18:37,502 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:18:37,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:18:38,325 INFO L134 CoverageAnalysis]: Checked inductivity of 2295 backedges. 0 proven. 2295 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:18:46,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:18:46,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 737 states to 172 states and 737 transitions. [2018-09-28 11:18:46,440 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 737 transitions. [2018-09-28 11:18:46,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-09-28 11:18:46,441 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:18:46,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:18:46,507 INFO L134 CoverageAnalysis]: Checked inductivity of 2418 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 2387 trivial. 0 not checked. [2018-09-28 11:18:48,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:18:48,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 736 states to 172 states and 736 transitions. [2018-09-28 11:18:48,663 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 736 transitions. [2018-09-28 11:18:48,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-09-28 11:18:48,664 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:18:48,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:18:49,533 INFO L134 CoverageAnalysis]: Checked inductivity of 2449 backedges. 0 proven. 2449 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:18:56,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:18:56,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 776 states to 177 states and 776 transitions. [2018-09-28 11:18:56,978 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 776 transitions. [2018-09-28 11:18:56,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-09-28 11:18:56,978 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:18:56,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:18:57,048 INFO L134 CoverageAnalysis]: Checked inductivity of 2576 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 2544 trivial. 0 not checked. [2018-09-28 11:18:59,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:18:59,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 775 states to 177 states and 775 transitions. [2018-09-28 11:18:59,055 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 775 transitions. [2018-09-28 11:18:59,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-09-28 11:18:59,056 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:18:59,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:19:00,490 INFO L134 CoverageAnalysis]: Checked inductivity of 2608 backedges. 0 proven. 2608 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:19:08,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:19:08,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 816 states to 182 states and 816 transitions. [2018-09-28 11:19:08,110 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 816 transitions. [2018-09-28 11:19:08,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2018-09-28 11:19:08,111 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:19:08,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:19:08,178 INFO L134 CoverageAnalysis]: Checked inductivity of 2739 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 2706 trivial. 0 not checked. [2018-09-28 11:19:10,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:19:10,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 815 states to 182 states and 815 transitions. [2018-09-28 11:19:10,302 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 815 transitions. [2018-09-28 11:19:10,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-09-28 11:19:10,302 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:19:10,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:19:12,022 INFO L134 CoverageAnalysis]: Checked inductivity of 2772 backedges. 0 proven. 2772 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:19:19,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:19:19,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 857 states to 187 states and 857 transitions. [2018-09-28 11:19:19,833 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 857 transitions. [2018-09-28 11:19:19,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-09-28 11:19:19,834 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:19:19,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:19:19,898 INFO L134 CoverageAnalysis]: Checked inductivity of 2907 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 2873 trivial. 0 not checked. [2018-09-28 11:19:22,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:19:22,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 856 states to 187 states and 856 transitions. [2018-09-28 11:19:22,023 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 856 transitions. [2018-09-28 11:19:22,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-09-28 11:19:22,024 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:19:22,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:19:23,396 INFO L134 CoverageAnalysis]: Checked inductivity of 2941 backedges. 0 proven. 2941 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. Received shutdown request... [2018-09-28 11:19:31,467 INFO L202 PluginConnector]: Adding new model PointerIncrement.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 28.09 11:19:31 ImpRootNode [2018-09-28 11:19:31,467 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-09-28 11:19:31,468 INFO L168 Benchmark]: Toolchain (without parser) took 244747.67 ms. Allocated memory was 1.5 GB in the beginning and 3.4 GB in the end (delta: 1.8 GB). Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 110.9 MB). Peak memory consumption was 1.9 GB. Max. memory is 7.1 GB. [2018-09-28 11:19:31,470 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 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. [2018-09-28 11:19:31,470 INFO L168 Benchmark]: Boogie Procedure Inliner took 67.64 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. [2018-09-28 11:19:31,470 INFO L168 Benchmark]: Boogie Preprocessor took 30.92 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. [2018-09-28 11:19:31,471 INFO L168 Benchmark]: RCFGBuilder took 498.32 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 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. [2018-09-28 11:19:31,472 INFO L168 Benchmark]: CodeCheck took 244145.58 ms. Allocated memory was 1.5 GB in the beginning and 3.4 GB in the end (delta: 1.8 GB). Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 89.7 MB). Peak memory consumption was 1.9 GB. Max. memory is 7.1 GB. [2018-09-28 11:19:31,477 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - TimeoutResultAtElement [Line: 58]: Timeout (CodeCheck) Unable to prove that procedure precondition always holds and assertion always holds (line 58) - TimeoutResultAtElement [Line: 58]: Timeout (CodeCheck) Unable to prove that procedure precondition always holds and assertion always holds (line 58) - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 13 locations, 2 error locations. UNKNOWN Result, 244.1s OverallTime, 72 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 0 SDtfs, 1431655684 SDslu, 0 SDs, 0 SdLazy, 954436978 SolverSat, 1431655762 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 198.8s Time, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 26.5s InterpolantComputationTime, 6287 NumberOfCodeBlocks, 6287 NumberOfCodeBlocksAsserted, 72 NumberOfCheckSat, 6215 ConstructedInterpolants, 0 QuantifiedInterpolants, 4440444 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 72 InterpolantComputations, 3 PerfectInterpolantSequences, 33917/69630 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - GenericResult: Unable to decide if program is safe! Unable to decide if program is safe! * 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 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 67.64 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 30.92 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 498.32 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 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 244145.58 ms. Allocated memory was 1.5 GB in the beginning and 3.4 GB in the end (delta: 1.8 GB). Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 89.7 MB). Peak memory consumption was 1.9 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/PointerIncrement.bpl_svcomp-Reach-32bit-Kojak_Default.epf_KojakBplInline.xml/Csv-CodeCheckBenchmarks-0-2018-09-28_11-19-31-501.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/PointerIncrement.bpl_svcomp-Reach-32bit-Kojak_Default.epf_KojakBplInline.xml/Csv-Benchmark-0-2018-09-28_11-19-31-501.csv Completed graceful shutdown