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-d19836b [2018-09-26 22:32:01,337 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-26 22:32:01,339 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-26 22:32:01,360 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-26 22:32:01,361 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-26 22:32:01,362 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-26 22:32:01,363 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-26 22:32:01,366 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-26 22:32:01,369 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-26 22:32:01,372 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-26 22:32:01,373 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-26 22:32:01,375 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-26 22:32:01,376 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-26 22:32:01,378 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-26 22:32:01,379 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-26 22:32:01,379 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-26 22:32:01,385 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-26 22:32:01,388 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-26 22:32:01,395 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-26 22:32:01,398 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-26 22:32:01,399 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-26 22:32:01,402 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-26 22:32:01,405 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-26 22:32:01,405 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-26 22:32:01,408 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-26 22:32:01,409 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-26 22:32:01,410 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-26 22:32:01,411 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-26 22:32:01,412 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-26 22:32:01,413 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-26 22:32:01,417 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-26 22:32:01,418 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-26 22:32:01,418 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-26 22:32:01,418 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-26 22:32:01,421 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-26 22:32:01,423 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-26 22:32:01,423 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Kojak_Default.epf [2018-09-26 22:32:01,448 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-26 22:32:01,449 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-26 22:32:01,450 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-26 22:32:01,450 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-26 22:32:01,451 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-26 22:32:01,451 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-26 22:32:01,451 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-26 22:32:01,451 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-26 22:32:01,452 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-26 22:32:01,452 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-26 22:32:01,452 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-26 22:32:01,452 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-26 22:32:01,453 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-26 22:32:01,453 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-26 22:32:01,454 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-26 22:32:01,454 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-26 22:32:01,454 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-26 22:32:01,454 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-09-26 22:32:01,454 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-09-26 22:32:01,455 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-26 22:32:01,455 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-26 22:32:01,455 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-26 22:32:01,455 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-26 22:32:01,457 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-26 22:32:01,457 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-26 22:32:01,457 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-09-26 22:32:01,457 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-26 22:32:01,457 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-26 22:32:01,457 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-26 22:32:01,513 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-26 22:32:01,529 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-26 22:32:01,535 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-26 22:32:01,537 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-26 22:32:01,538 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-26 22:32:01,539 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/PointerIncrement.bpl [2018-09-26 22:32:01,539 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/PointerIncrement.bpl' [2018-09-26 22:32:01,623 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-26 22:32:01,626 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-26 22:32:01,627 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-26 22:32:01,627 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-26 22:32:01,628 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-26 22:32:01,645 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "PointerIncrement.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:32:01" (1/1) ... [2018-09-26 22:32:01,662 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "PointerIncrement.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:32:01" (1/1) ... [2018-09-26 22:32:01,687 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-26 22:32:01,688 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-26 22:32:01,689 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-26 22:32:01,689 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-26 22:32:01,700 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "PointerIncrement.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:32:01" (1/1) ... [2018-09-26 22:32:01,700 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "PointerIncrement.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:32:01" (1/1) ... [2018-09-26 22:32:01,701 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "PointerIncrement.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:32:01" (1/1) ... [2018-09-26 22:32:01,702 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "PointerIncrement.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:32:01" (1/1) ... [2018-09-26 22:32:01,705 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "PointerIncrement.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:32:01" (1/1) ... [2018-09-26 22:32:01,709 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "PointerIncrement.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:32:01" (1/1) ... [2018-09-26 22:32:01,710 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "PointerIncrement.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:32:01" (1/1) ... [2018-09-26 22:32:01,712 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-26 22:32:01,713 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-26 22:32:01,713 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-26 22:32:01,713 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-26 22:32:01,714 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "PointerIncrement.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:32:01" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-26 22:32:01,794 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-26 22:32:01,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-26 22:32:02,202 INFO L346 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-26 22:32:02,203 INFO L202 PluginConnector]: Adding new model PointerIncrement.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 10:32:02 BoogieIcfgContainer [2018-09-26 22:32:02,203 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-26 22:32:02,204 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-09-26 22:32:02,204 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-09-26 22:32:02,222 INFO L276 PluginConnector]: CodeCheck initialized [2018-09-26 22:32:02,223 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "PointerIncrement.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 10:32:02" (1/1) ... [2018-09-26 22:32:02,236 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 22:32:02,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:32:02,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 10 states and 12 transitions. [2018-09-26 22:32:02,269 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 12 transitions. [2018-09-26 22:32:02,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-26 22:32:02,272 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:32:02,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:32:02,469 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:32:02,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:32:02,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 13 states and 15 transitions. [2018-09-26 22:32:02,602 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2018-09-26 22:32:02,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-26 22:32:02,603 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:32:02,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:32:02,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:32:03,998 WARN L178 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2018-09-26 22:32:04,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:32:04,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 17 states and 22 transitions. [2018-09-26 22:32:04,156 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 22 transitions. [2018-09-26 22:32:04,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-26 22:32:04,159 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:32:04,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:32:04,233 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:32:04,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:32:04,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 18 states and 24 transitions. [2018-09-26 22:32:04,300 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 24 transitions. [2018-09-26 22:32:04,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-26 22:32:04,301 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:32:04,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:32:04,342 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-09-26 22:32:04,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:32:04,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 19 states and 25 transitions. [2018-09-26 22:32:04,830 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 25 transitions. [2018-09-26 22:32:04,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-26 22:32:04,831 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:32:04,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:32:05,001 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:32:06,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:32:06,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 27 states and 41 transitions. [2018-09-26 22:32:06,597 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 41 transitions. [2018-09-26 22:32:06,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-26 22:32:06,598 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:32:06,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:32:06,638 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-09-26 22:32:07,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:32:07,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 27 states and 40 transitions. [2018-09-26 22:32:07,084 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 40 transitions. [2018-09-26 22:32:07,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-09-26 22:32:07,085 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:32:07,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:32:07,287 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:32:08,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:32:08,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 52 transitions. [2018-09-26 22:32:08,985 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 52 transitions. [2018-09-26 22:32:08,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-09-26 22:32:08,987 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:32:09,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:32:09,031 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:32:09,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:32:09,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 32 states and 51 transitions. [2018-09-26 22:32:09,685 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 51 transitions. [2018-09-26 22:32:09,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-09-26 22:32:09,686 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:32:09,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:32:09,721 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-09-26 22:32:10,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:32:10,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2018-09-26 22:32:10,092 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2018-09-26 22:32:10,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-09-26 22:32:10,093 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:32:10,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:32:10,268 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:32:11,948 WARN L178 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 23 [2018-09-26 22:32:13,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:32:13,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 37 states and 62 transitions. [2018-09-26 22:32:13,321 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 62 transitions. [2018-09-26 22:32:13,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-09-26 22:32:13,323 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:32:13,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:32:13,364 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-09-26 22:32:13,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:32:13,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 37 states and 61 transitions. [2018-09-26 22:32:13,879 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 61 transitions. [2018-09-26 22:32:13,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-09-26 22:32:13,880 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:32:13,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:32:14,789 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:32:16,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:32:16,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 42 states and 74 transitions. [2018-09-26 22:32:16,828 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 74 transitions. [2018-09-26 22:32:16,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-09-26 22:32:16,829 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:32:16,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:32:16,911 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2018-09-26 22:32:17,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:32:17,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 42 states and 73 transitions. [2018-09-26 22:32:17,444 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 73 transitions. [2018-09-26 22:32:17,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-09-26 22:32:17,446 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:32:17,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:32:17,931 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:32:20,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:32:20,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 47 states and 87 transitions. [2018-09-26 22:32:20,321 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 87 transitions. [2018-09-26 22:32:20,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-09-26 22:32:20,323 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:32:20,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:32:20,360 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2018-09-26 22:32:21,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:32:21,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2018-09-26 22:32:21,139 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2018-09-26 22:32:21,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-09-26 22:32:21,140 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:32:21,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:32:21,451 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 99 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:32:23,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:32:23,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 52 states and 101 transitions. [2018-09-26 22:32:23,793 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 101 transitions. [2018-09-26 22:32:23,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-09-26 22:32:23,794 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:32:23,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:32:23,830 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2018-09-26 22:32:24,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:32:24,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 52 states and 100 transitions. [2018-09-26 22:32:24,436 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 100 transitions. [2018-09-26 22:32:24,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-09-26 22:32:24,437 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:32:24,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:32:24,918 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 133 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:32:27,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:32:27,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 57 states and 116 transitions. [2018-09-26 22:32:27,557 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 116 transitions. [2018-09-26 22:32:27,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-09-26 22:32:27,559 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:32:27,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:32:27,594 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2018-09-26 22:32:28,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:32:28,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 57 states and 115 transitions. [2018-09-26 22:32:28,371 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 115 transitions. [2018-09-26 22:32:28,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-09-26 22:32:28,372 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:32:28,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:32:28,739 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 0 proven. 172 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:32:31,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:32:31,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 62 states and 132 transitions. [2018-09-26 22:32:31,329 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 132 transitions. [2018-09-26 22:32:31,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-09-26 22:32:31,331 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:32:31,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:32:31,365 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2018-09-26 22:32:32,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:32:32,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 62 states and 131 transitions. [2018-09-26 22:32:32,152 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 131 transitions. [2018-09-26 22:32:32,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-09-26 22:32:32,154 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:32:32,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:32:32,655 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 0 proven. 216 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:32:35,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:32:35,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 67 states and 149 transitions. [2018-09-26 22:32:35,802 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 149 transitions. [2018-09-26 22:32:35,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-09-26 22:32:35,803 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:32:35,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:32:35,841 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2018-09-26 22:32:36,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:32:36,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 67 states and 148 transitions. [2018-09-26 22:32:36,711 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 148 transitions. [2018-09-26 22:32:36,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-09-26 22:32:36,712 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:32:36,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:32:37,299 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 0 proven. 265 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:32:40,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:32:40,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 72 states and 167 transitions. [2018-09-26 22:32:40,507 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 167 transitions. [2018-09-26 22:32:40,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-09-26 22:32:40,508 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:32:40,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:32:40,544 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 297 trivial. 0 not checked. [2018-09-26 22:32:41,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:32:41,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 72 states and 166 transitions. [2018-09-26 22:32:41,448 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 166 transitions. [2018-09-26 22:32:41,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-09-26 22:32:41,449 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:32:41,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:32:42,181 INFO L134 CoverageAnalysis]: Checked inductivity of 319 backedges. 0 proven. 319 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:32:45,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:32:45,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 77 states and 186 transitions. [2018-09-26 22:32:45,609 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 186 transitions. [2018-09-26 22:32:45,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-09-26 22:32:45,610 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:32:45,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:32:45,648 INFO L134 CoverageAnalysis]: Checked inductivity of 366 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 354 trivial. 0 not checked. [2018-09-26 22:32:46,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:32:46,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 77 states and 185 transitions. [2018-09-26 22:32:46,636 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 185 transitions. [2018-09-26 22:32:46,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-09-26 22:32:46,638 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:32:46,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:32:47,077 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:32:50,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:32:50,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 82 states and 206 transitions. [2018-09-26 22:32:50,972 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 206 transitions. [2018-09-26 22:32:50,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-09-26 22:32:50,973 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:32:50,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:32:51,015 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 416 trivial. 0 not checked. [2018-09-26 22:32:51,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:32:51,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 82 states and 205 transitions. [2018-09-26 22:32:51,986 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 205 transitions. [2018-09-26 22:32:51,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-09-26 22:32:51,987 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:32:52,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:32:54,181 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 0 proven. 442 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:32:57,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:32:57,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 87 states and 227 transitions. [2018-09-26 22:32:57,832 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 227 transitions. [2018-09-26 22:32:57,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-09-26 22:32:57,833 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:32:57,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:32:57,873 INFO L134 CoverageAnalysis]: Checked inductivity of 497 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 483 trivial. 0 not checked. [2018-09-26 22:32:59,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:32:59,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 87 states and 226 transitions. [2018-09-26 22:32:59,977 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 226 transitions. [2018-09-26 22:32:59,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-09-26 22:32:59,978 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:32:59,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:33:00,567 INFO L134 CoverageAnalysis]: Checked inductivity of 511 backedges. 0 proven. 511 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:33:04,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:33:04,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 92 states and 249 transitions. [2018-09-26 22:33:04,721 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 249 transitions. [2018-09-26 22:33:04,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-09-26 22:33:04,722 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:33:04,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:33:04,760 INFO L134 CoverageAnalysis]: Checked inductivity of 570 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 555 trivial. 0 not checked. [2018-09-26 22:33:06,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:33:06,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 92 states and 248 transitions. [2018-09-26 22:33:06,187 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 248 transitions. [2018-09-26 22:33:06,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-09-26 22:33:06,187 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:33:06,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:33:07,128 INFO L134 CoverageAnalysis]: Checked inductivity of 585 backedges. 0 proven. 585 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:33:11,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:33:11,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 97 states and 272 transitions. [2018-09-26 22:33:11,317 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 272 transitions. [2018-09-26 22:33:11,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-09-26 22:33:11,317 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:33:11,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:33:11,360 INFO L134 CoverageAnalysis]: Checked inductivity of 648 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 632 trivial. 0 not checked. [2018-09-26 22:33:12,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:33:12,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 97 states and 271 transitions. [2018-09-26 22:33:12,716 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 271 transitions. [2018-09-26 22:33:12,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-09-26 22:33:12,716 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:33:12,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:33:13,354 INFO L134 CoverageAnalysis]: Checked inductivity of 664 backedges. 0 proven. 664 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:33:17,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:33:17,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 102 states and 296 transitions. [2018-09-26 22:33:17,906 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 296 transitions. [2018-09-26 22:33:17,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-09-26 22:33:17,907 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:33:17,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:33:17,950 INFO L134 CoverageAnalysis]: Checked inductivity of 731 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 714 trivial. 0 not checked. [2018-09-26 22:33:19,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:33:19,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 102 states and 295 transitions. [2018-09-26 22:33:19,148 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 295 transitions. [2018-09-26 22:33:19,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-09-26 22:33:19,150 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:33:19,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:33:20,026 INFO L134 CoverageAnalysis]: Checked inductivity of 748 backedges. 0 proven. 748 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:33:24,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:33:24,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 107 states and 321 transitions. [2018-09-26 22:33:24,763 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 321 transitions. [2018-09-26 22:33:24,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-09-26 22:33:24,763 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:33:24,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:33:24,810 INFO L134 CoverageAnalysis]: Checked inductivity of 819 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 801 trivial. 0 not checked. [2018-09-26 22:33:26,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:33:26,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 107 states and 320 transitions. [2018-09-26 22:33:26,393 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 320 transitions. [2018-09-26 22:33:26,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-09-26 22:33:26,394 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:33:26,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:33:26,922 INFO L134 CoverageAnalysis]: Checked inductivity of 837 backedges. 0 proven. 837 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:33:31,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:33:31,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 112 states and 347 transitions. [2018-09-26 22:33:31,884 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 347 transitions. [2018-09-26 22:33:31,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-09-26 22:33:31,885 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:33:31,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:33:31,932 INFO L134 CoverageAnalysis]: Checked inductivity of 912 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 893 trivial. 0 not checked. [2018-09-26 22:33:33,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:33:33,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 112 states and 346 transitions. [2018-09-26 22:33:33,301 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 346 transitions. [2018-09-26 22:33:33,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-09-26 22:33:33,303 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:33:33,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:33:34,069 INFO L134 CoverageAnalysis]: Checked inductivity of 931 backedges. 0 proven. 931 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:33:39,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:33:39,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 117 states and 374 transitions. [2018-09-26 22:33:39,248 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 374 transitions. [2018-09-26 22:33:39,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-09-26 22:33:39,249 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:33:39,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:33:39,298 INFO L134 CoverageAnalysis]: Checked inductivity of 1010 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2018-09-26 22:33:41,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:33:41,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 117 states and 373 transitions. [2018-09-26 22:33:41,117 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 373 transitions. [2018-09-26 22:33:41,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-09-26 22:33:41,118 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:33:41,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:33:41,997 INFO L134 CoverageAnalysis]: Checked inductivity of 1030 backedges. 0 proven. 1030 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:33:47,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:33:47,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 122 states and 402 transitions. [2018-09-26 22:33:47,518 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 402 transitions. [2018-09-26 22:33:47,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-09-26 22:33:47,519 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:33:47,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:33:47,571 INFO L134 CoverageAnalysis]: Checked inductivity of 1113 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 1092 trivial. 0 not checked. [2018-09-26 22:33:50,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:33:50,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 122 states and 401 transitions. [2018-09-26 22:33:50,069 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 401 transitions. [2018-09-26 22:33:50,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-09-26 22:33:50,075 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:33:50,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:33:50,920 INFO L134 CoverageAnalysis]: Checked inductivity of 1134 backedges. 0 proven. 1134 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:33:56,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:33:56,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 127 states and 431 transitions. [2018-09-26 22:33:56,718 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 431 transitions. [2018-09-26 22:33:56,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-09-26 22:33:56,719 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:33:56,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:33:56,769 INFO L134 CoverageAnalysis]: Checked inductivity of 1221 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 1199 trivial. 0 not checked. [2018-09-26 22:33:58,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:33:58,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 127 states and 430 transitions. [2018-09-26 22:33:58,476 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 430 transitions. [2018-09-26 22:33:58,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2018-09-26 22:33:58,477 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:33:58,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:33:59,223 INFO L134 CoverageAnalysis]: Checked inductivity of 1243 backedges. 0 proven. 1243 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:34:02,266 WARN L178 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2018-09-26 22:34:07,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:34:07,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 132 states and 461 transitions. [2018-09-26 22:34:07,650 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 461 transitions. [2018-09-26 22:34:07,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-09-26 22:34:07,651 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:34:07,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:34:07,703 INFO L134 CoverageAnalysis]: Checked inductivity of 1334 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 1311 trivial. 0 not checked. [2018-09-26 22:34:09,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:34:09,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 132 states and 460 transitions. [2018-09-26 22:34:09,588 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 460 transitions. [2018-09-26 22:34:09,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-09-26 22:34:09,589 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:34:09,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:34:10,895 INFO L134 CoverageAnalysis]: Checked inductivity of 1357 backedges. 0 proven. 1357 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:34:16,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:34:16,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 137 states and 492 transitions. [2018-09-26 22:34:16,580 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 492 transitions. [2018-09-26 22:34:16,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-09-26 22:34:16,581 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:34:16,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:34:16,634 INFO L134 CoverageAnalysis]: Checked inductivity of 1452 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 1428 trivial. 0 not checked. [2018-09-26 22:34:18,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:34:18,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 137 states and 491 transitions. [2018-09-26 22:34:18,315 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 491 transitions. [2018-09-26 22:34:18,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2018-09-26 22:34:18,316 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:34:18,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:34:19,012 INFO L134 CoverageAnalysis]: Checked inductivity of 1476 backedges. 0 proven. 1476 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:34:24,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:34:24,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 142 states and 524 transitions. [2018-09-26 22:34:24,923 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 524 transitions. [2018-09-26 22:34:24,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-09-26 22:34:24,924 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:34:24,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:34:24,978 INFO L134 CoverageAnalysis]: Checked inductivity of 1575 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 1550 trivial. 0 not checked. [2018-09-26 22:34:26,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:34:26,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 142 states and 523 transitions. [2018-09-26 22:34:26,716 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 523 transitions. [2018-09-26 22:34:26,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-09-26 22:34:26,717 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:34:26,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:34:27,628 INFO L134 CoverageAnalysis]: Checked inductivity of 1600 backedges. 0 proven. 1600 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:34:33,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:34:33,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 147 states and 557 transitions. [2018-09-26 22:34:33,666 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 557 transitions. [2018-09-26 22:34:33,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-09-26 22:34:33,666 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:34:33,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:34:33,863 INFO L134 CoverageAnalysis]: Checked inductivity of 1703 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 1677 trivial. 0 not checked. [2018-09-26 22:34:35,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:34:35,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 147 states and 556 transitions. [2018-09-26 22:34:35,772 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 556 transitions. [2018-09-26 22:34:35,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-09-26 22:34:35,773 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:34:35,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:34:36,598 INFO L134 CoverageAnalysis]: Checked inductivity of 1729 backedges. 0 proven. 1729 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:34:42,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:34:42,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 152 states and 591 transitions. [2018-09-26 22:34:42,943 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 591 transitions. [2018-09-26 22:34:42,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-09-26 22:34:42,944 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:34:42,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:34:43,003 INFO L134 CoverageAnalysis]: Checked inductivity of 1836 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 1809 trivial. 0 not checked. [2018-09-26 22:34:44,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:34:44,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 152 states and 590 transitions. [2018-09-26 22:34:44,980 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 590 transitions. [2018-09-26 22:34:44,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-09-26 22:34:44,981 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:34:45,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:34:45,883 INFO L134 CoverageAnalysis]: Checked inductivity of 1863 backedges. 0 proven. 1863 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:34:52,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:34:52,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 626 states to 157 states and 626 transitions. [2018-09-26 22:34:52,360 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 626 transitions. [2018-09-26 22:34:52,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-09-26 22:34:52,361 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:34:52,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:34:52,420 INFO L134 CoverageAnalysis]: Checked inductivity of 1974 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 1946 trivial. 0 not checked. [2018-09-26 22:34:54,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:34:54,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 625 states to 157 states and 625 transitions. [2018-09-26 22:34:54,409 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 625 transitions. [2018-09-26 22:34:54,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-09-26 22:34:54,409 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:34:54,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:34:55,213 INFO L134 CoverageAnalysis]: Checked inductivity of 2002 backedges. 0 proven. 2002 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:35:02,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:35:02,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 162 states and 662 transitions. [2018-09-26 22:35:02,030 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 662 transitions. [2018-09-26 22:35:02,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-09-26 22:35:02,031 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:35:02,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:35:02,094 INFO L134 CoverageAnalysis]: Checked inductivity of 2117 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 2088 trivial. 0 not checked. [2018-09-26 22:35:03,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:35:03,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 661 states to 162 states and 661 transitions. [2018-09-26 22:35:03,957 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 661 transitions. [2018-09-26 22:35:03,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-09-26 22:35:03,958 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:35:04,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:35:04,896 INFO L134 CoverageAnalysis]: Checked inductivity of 2146 backedges. 0 proven. 2146 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:35:11,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:35:11,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 167 states and 699 transitions. [2018-09-26 22:35:11,890 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 699 transitions. [2018-09-26 22:35:11,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-09-26 22:35:11,890 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:35:11,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:35:11,951 INFO L134 CoverageAnalysis]: Checked inductivity of 2265 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 2235 trivial. 0 not checked. [2018-09-26 22:35:13,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:35:13,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 698 states to 167 states and 698 transitions. [2018-09-26 22:35:13,942 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 698 transitions. [2018-09-26 22:35:13,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-09-26 22:35:13,943 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:35:13,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:35:14,800 INFO L134 CoverageAnalysis]: Checked inductivity of 2295 backedges. 0 proven. 2295 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:35:22,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:35:22,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 737 states to 172 states and 737 transitions. [2018-09-26 22:35:22,260 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 737 transitions. [2018-09-26 22:35:22,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-09-26 22:35:22,261 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:35:22,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:35:22,325 INFO L134 CoverageAnalysis]: Checked inductivity of 2418 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 2387 trivial. 0 not checked. [2018-09-26 22:35:24,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:35:24,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 736 states to 172 states and 736 transitions. [2018-09-26 22:35:24,325 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 736 transitions. [2018-09-26 22:35:24,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-09-26 22:35:24,326 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:35:24,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:35:25,197 INFO L134 CoverageAnalysis]: Checked inductivity of 2449 backedges. 0 proven. 2449 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:35:32,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:35:32,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 776 states to 177 states and 776 transitions. [2018-09-26 22:35:32,768 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 776 transitions. [2018-09-26 22:35:32,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-09-26 22:35:32,768 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:35:32,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:35:32,835 INFO L134 CoverageAnalysis]: Checked inductivity of 2576 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 2544 trivial. 0 not checked. [2018-09-26 22:35:34,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:35:34,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 775 states to 177 states and 775 transitions. [2018-09-26 22:35:34,876 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 775 transitions. [2018-09-26 22:35:34,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-09-26 22:35:34,877 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:35:34,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:35:35,963 INFO L134 CoverageAnalysis]: Checked inductivity of 2608 backedges. 0 proven. 2608 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:35:43,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:35:43,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 816 states to 182 states and 816 transitions. [2018-09-26 22:35:43,697 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 816 transitions. [2018-09-26 22:35:43,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2018-09-26 22:35:43,698 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:35:43,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:35:43,769 INFO L134 CoverageAnalysis]: Checked inductivity of 2739 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 2706 trivial. 0 not checked. [2018-09-26 22:35:45,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:35:45,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 815 states to 182 states and 815 transitions. [2018-09-26 22:35:45,821 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 815 transitions. [2018-09-26 22:35:45,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-09-26 22:35:45,822 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:35:45,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:35:46,753 INFO L134 CoverageAnalysis]: Checked inductivity of 2772 backedges. 0 proven. 2772 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:35:54,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:35:54,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 857 states to 187 states and 857 transitions. [2018-09-26 22:35:54,754 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 857 transitions. [2018-09-26 22:35:54,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-09-26 22:35:54,756 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:35:54,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:35:54,825 INFO L134 CoverageAnalysis]: Checked inductivity of 2907 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 2873 trivial. 0 not checked. [2018-09-26 22:35:57,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:35:57,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 856 states to 187 states and 856 transitions. [2018-09-26 22:35:57,065 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 856 transitions. [2018-09-26 22:35:57,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-09-26 22:35:57,066 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:35:57,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:35:58,127 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... [2018-09-26 22:36:05,507 INFO L256 ToolchainWalker]: Toolchain cancelled while executing plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck. Reason: Timeout or Toolchain cancelled by user [2018-09-26 22:36:05,509 INFO L168 Benchmark]: Toolchain (without parser) took 243885.86 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 1.9 GB in the end (delta: -397.8 MB). Peak memory consumption was 1.4 GB. Max. memory is 7.1 GB. [2018-09-26 22:36:05,510 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.23 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-26 22:36:05,511 INFO L168 Benchmark]: Boogie Procedure Inliner took 60.87 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-26 22:36:05,511 INFO L168 Benchmark]: Boogie Preprocessor took 23.71 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-26 22:36:05,512 INFO L168 Benchmark]: RCFGBuilder took 490.93 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. [2018-09-26 22:36:05,512 INFO L168 Benchmark]: CodeCheck took 243304.73 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 1.9 GB in the end (delta: -418.9 MB). Peak memory consumption was 1.4 GB. Max. memory is 7.1 GB. [2018-09-26 22:36:05,516 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - TimeoutResult: Timeout (de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck) Toolchain cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 1195 known predicates. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.23 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 60.87 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 23.71 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 490.93 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 243304.73 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 1.9 GB in the end (delta: -418.9 MB). Peak memory consumption was 1.4 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-Benchmark-0-2018-09-26_22-36-05-531.csv Completed graceful shutdown