java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data --generate-csv --csv-dir csv -tc ../../../trunk/examples/toolchains/KojakBplInline.xml -s ../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Kojak_Default.epf -i ../../../trunk/examples/programs/20170304-DifficultPathPrograms/gauss_sum.i_3.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-133090d [2018-10-04 10:10:22,331 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-04 10:10:22,333 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-04 10:10:22,344 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-04 10:10:22,344 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-04 10:10:22,345 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-04 10:10:22,347 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-04 10:10:22,348 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-04 10:10:22,350 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-04 10:10:22,351 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-04 10:10:22,352 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-04 10:10:22,352 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-04 10:10:22,353 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-04 10:10:22,354 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-04 10:10:22,355 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-04 10:10:22,356 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-04 10:10:22,357 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-04 10:10:22,359 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-04 10:10:22,361 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-04 10:10:22,365 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-04 10:10:22,367 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-04 10:10:22,369 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-04 10:10:22,372 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-04 10:10:22,373 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-04 10:10:22,373 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-04 10:10:22,374 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-04 10:10:22,376 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-04 10:10:22,376 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-04 10:10:22,377 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-04 10:10:22,380 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-04 10:10:22,380 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-04 10:10:22,381 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-04 10:10:22,381 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-04 10:10:22,381 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-04 10:10:22,384 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-04 10:10:22,384 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-04 10:10:22,385 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 [2018-10-04 10:10:22,413 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-04 10:10:22,413 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-04 10:10:22,414 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-04 10:10:22,414 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-04 10:10:22,416 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-04 10:10:22,416 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-04 10:10:22,416 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-04 10:10:22,416 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-04 10:10:22,416 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-04 10:10:22,417 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-04 10:10:22,417 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-04 10:10:22,417 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-04 10:10:22,417 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-04 10:10:22,417 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-04 10:10:22,418 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-04 10:10:22,418 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-04 10:10:22,418 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-04 10:10:22,418 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-04 10:10:22,418 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-04 10:10:22,419 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-04 10:10:22,419 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-04 10:10:22,419 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-04 10:10:22,419 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-04 10:10:22,419 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-04 10:10:22,420 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-04 10:10:22,420 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-04 10:10:22,420 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-04 10:10:22,420 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-04 10:10:22,420 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-04 10:10:22,484 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-04 10:10:22,502 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-04 10:10:22,506 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-04 10:10:22,508 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-04 10:10:22,509 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-04 10:10:22,509 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/gauss_sum.i_3.bpl [2018-10-04 10:10:22,510 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/gauss_sum.i_3.bpl' [2018-10-04 10:10:22,566 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-04 10:10:22,568 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-04 10:10:22,569 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-04 10:10:22,569 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-04 10:10:22,569 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-04 10:10:22,592 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "gauss_sum.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 10:10:22" (1/1) ... [2018-10-04 10:10:22,604 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "gauss_sum.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 10:10:22" (1/1) ... [2018-10-04 10:10:22,611 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-04 10:10:22,612 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-04 10:10:22,612 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-04 10:10:22,612 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-04 10:10:22,627 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "gauss_sum.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 10:10:22" (1/1) ... [2018-10-04 10:10:22,627 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "gauss_sum.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 10:10:22" (1/1) ... [2018-10-04 10:10:22,628 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "gauss_sum.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 10:10:22" (1/1) ... [2018-10-04 10:10:22,628 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "gauss_sum.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 10:10:22" (1/1) ... [2018-10-04 10:10:22,632 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "gauss_sum.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 10:10:22" (1/1) ... [2018-10-04 10:10:22,636 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "gauss_sum.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 10:10:22" (1/1) ... [2018-10-04 10:10:22,637 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "gauss_sum.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 10:10:22" (1/1) ... [2018-10-04 10:10:22,639 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-04 10:10:22,640 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-04 10:10:22,640 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-04 10:10:22,640 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-04 10:10:22,641 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "gauss_sum.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 10:10:22" (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 [2018-10-04 10:10:22,711 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-04 10:10:22,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-04 10:10:22,989 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-04 10:10:22,989 INFO L202 PluginConnector]: Adding new model gauss_sum.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 10:10:22 BoogieIcfgContainer [2018-10-04 10:10:22,989 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-04 10:10:22,990 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-04 10:10:22,990 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-04 10:10:23,001 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-04 10:10:23,001 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "gauss_sum.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 10:10:22" (1/1) ... [2018-10-04 10:10:23,015 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-04 10:10:23,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:10:23,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2018-10-04 10:10:23,059 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2018-10-04 10:10:23,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-10-04 10:10:23,062 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:10:23,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:10:23,178 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 10:10:23,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:10:23,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:10:23,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2018-10-04 10:10:23,442 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2018-10-04 10:10:23,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-10-04 10:10:23,442 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:10:23,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:10:23,473 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 10:10:23,598 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:10:23,801 WARN L178 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 12 DAG size of output: 12 [2018-10-04 10:10:24,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:10:24,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2018-10-04 10:10:24,400 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2018-10-04 10:10:24,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-04 10:10:24,401 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:10:24,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:10:24,436 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 10:10:24,556 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:10:25,051 WARN L178 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 12 [2018-10-04 10:10:25,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:10:25,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2018-10-04 10:10:25,241 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2018-10-04 10:10:25,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-04 10:10:25,241 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:10:25,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:10:25,270 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 10:10:25,349 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:10:26,087 WARN L178 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2018-10-04 10:10:26,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:10:26,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 14 transitions. [2018-10-04 10:10:26,120 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2018-10-04 10:10:26,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-04 10:10:26,121 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:10:26,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:10:26,144 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 10:10:26,244 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:10:26,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:10:26,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 17 states and 19 transitions. [2018-10-04 10:10:26,765 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2018-10-04 10:10:26,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-04 10:10:26,770 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:10:26,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:10:26,805 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 10:10:26,936 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:10:27,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:10:27,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 21 states and 24 transitions. [2018-10-04 10:10:27,534 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 24 transitions. [2018-10-04 10:10:27,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-04 10:10:27,535 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:10:27,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:10:27,575 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 10:10:27,764 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:10:28,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:10:28,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 25 states and 29 transitions. [2018-10-04 10:10:28,675 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 29 transitions. [2018-10-04 10:10:28,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-04 10:10:28,676 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:10:28,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:10:28,714 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 10:10:28,867 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:10:29,687 WARN L178 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2018-10-04 10:10:29,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:10:29,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 29 states and 34 transitions. [2018-10-04 10:10:29,770 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 34 transitions. [2018-10-04 10:10:29,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-04 10:10:29,772 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:10:29,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:10:29,816 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 10:10:29,964 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:10:30,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:10:30,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 33 states and 39 transitions. [2018-10-04 10:10:30,918 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 39 transitions. [2018-10-04 10:10:30,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-10-04 10:10:30,919 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:10:30,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:10:30,962 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 10:10:31,706 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:10:33,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:10:33,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 37 states and 44 transitions. [2018-10-04 10:10:33,749 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 44 transitions. [2018-10-04 10:10:33,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-10-04 10:10:33,750 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:10:33,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:10:33,788 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 10:10:34,499 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:10:35,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:10:35,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 41 states and 49 transitions. [2018-10-04 10:10:35,566 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 49 transitions. [2018-10-04 10:10:35,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-10-04 10:10:35,567 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:10:35,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:10:35,601 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 10:10:35,844 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:10:36,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:10:36,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 45 states and 54 transitions. [2018-10-04 10:10:36,964 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 54 transitions. [2018-10-04 10:10:36,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-10-04 10:10:36,965 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:10:37,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:10:37,011 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 10:10:37,242 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:10:38,292 WARN L178 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2018-10-04 10:10:38,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:10:38,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 49 states and 59 transitions. [2018-10-04 10:10:38,431 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 59 transitions. [2018-10-04 10:10:38,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-10-04 10:10:38,432 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:10:38,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:10:38,468 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 10:10:38,774 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:10:39,985 WARN L178 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2018-10-04 10:10:40,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:10:40,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 53 states and 64 transitions. [2018-10-04 10:10:40,197 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 64 transitions. [2018-10-04 10:10:40,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-10-04 10:10:40,199 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:10:40,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:10:40,247 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 10:10:40,491 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:10:41,526 WARN L178 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2018-10-04 10:10:41,948 WARN L178 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2018-10-04 10:10:42,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:10:42,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 57 states and 69 transitions. [2018-10-04 10:10:42,078 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 69 transitions. [2018-10-04 10:10:42,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-10-04 10:10:42,080 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:10:42,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:10:42,118 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 10:10:42,335 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:10:43,461 WARN L178 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2018-10-04 10:10:44,075 WARN L178 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2018-10-04 10:10:44,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:10:44,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 61 states and 74 transitions. [2018-10-04 10:10:44,197 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 74 transitions. [2018-10-04 10:10:44,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-10-04 10:10:44,199 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:10:44,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:10:44,238 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 10:10:44,472 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 0 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:10:45,429 WARN L178 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2018-10-04 10:10:46,033 WARN L178 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2018-10-04 10:10:46,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:10:46,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 65 states and 79 transitions. [2018-10-04 10:10:46,170 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 79 transitions. [2018-10-04 10:10:46,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-10-04 10:10:46,172 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:10:46,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:10:46,212 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 10:10:46,449 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:10:47,511 WARN L178 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2018-10-04 10:10:48,051 WARN L178 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2018-10-04 10:10:48,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:10:48,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 69 states and 84 transitions. [2018-10-04 10:10:48,264 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 84 transitions. [2018-10-04 10:10:48,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-10-04 10:10:48,265 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:10:48,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:10:48,329 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 10:10:48,692 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 0 proven. 342 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:10:50,026 WARN L178 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2018-10-04 10:10:50,636 WARN L178 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2018-10-04 10:10:50,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:10:50,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 73 states and 89 transitions. [2018-10-04 10:10:50,797 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 89 transitions. [2018-10-04 10:10:50,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-10-04 10:10:50,798 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:10:50,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:10:50,859 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 10:10:51,147 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 0 proven. 380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:10:52,492 WARN L178 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2018-10-04 10:10:53,137 WARN L178 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2018-10-04 10:10:53,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:10:53,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 77 states and 94 transitions. [2018-10-04 10:10:53,302 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 94 transitions. [2018-10-04 10:10:53,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-10-04 10:10:53,303 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:10:53,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:10:53,362 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 10:10:54,096 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 420 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:10:55,318 WARN L178 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2018-10-04 10:10:55,988 WARN L178 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2018-10-04 10:10:56,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:10:56,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 81 states and 99 transitions. [2018-10-04 10:10:56,172 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 99 transitions. [2018-10-04 10:10:56,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-10-04 10:10:56,173 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:10:56,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:10:56,221 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 10:10:56,633 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 0 proven. 462 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:10:58,002 WARN L178 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 149 [2018-10-04 10:10:58,844 WARN L178 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2018-10-04 10:10:59,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:10:59,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 85 states and 104 transitions. [2018-10-04 10:10:59,060 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 104 transitions. [2018-10-04 10:10:59,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-10-04 10:10:59,061 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:10:59,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:10:59,117 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 10:10:59,482 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 0 proven. 506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:11:00,905 WARN L178 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2018-10-04 10:11:01,703 WARN L178 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2018-10-04 10:11:01,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:11:01,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 89 states and 109 transitions. [2018-10-04 10:11:01,910 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 109 transitions. [2018-10-04 10:11:01,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-10-04 10:11:01,911 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:11:01,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:11:01,958 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 10:11:02,296 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 0 proven. 552 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:11:03,875 WARN L178 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2018-10-04 10:11:04,943 WARN L178 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2018-10-04 10:11:05,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:11:05,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 93 states and 114 transitions. [2018-10-04 10:11:05,173 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 114 transitions. [2018-10-04 10:11:05,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-10-04 10:11:05,174 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:11:05,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:11:05,242 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 10:11:05,638 INFO L134 CoverageAnalysis]: Checked inductivity of 600 backedges. 0 proven. 600 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:11:07,287 WARN L178 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2018-10-04 10:11:08,189 WARN L178 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2018-10-04 10:11:08,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:11:08,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 97 states and 119 transitions. [2018-10-04 10:11:08,424 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 119 transitions. [2018-10-04 10:11:08,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-10-04 10:11:08,425 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:11:08,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:11:08,469 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 10:11:08,841 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 0 proven. 650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:11:10,637 WARN L178 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2018-10-04 10:11:11,675 WARN L178 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2018-10-04 10:11:11,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:11:11,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 101 states and 124 transitions. [2018-10-04 10:11:11,927 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 124 transitions. [2018-10-04 10:11:11,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-10-04 10:11:11,928 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:11:11,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:11:11,977 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 10:11:12,344 INFO L134 CoverageAnalysis]: Checked inductivity of 702 backedges. 0 proven. 702 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:11:14,079 WARN L178 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2018-10-04 10:11:15,270 WARN L178 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 185 [2018-10-04 10:11:15,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:11:15,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 105 states and 129 transitions. [2018-10-04 10:11:15,537 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 129 transitions. [2018-10-04 10:11:15,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-10-04 10:11:15,538 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:11:15,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:11:15,602 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 10:11:16,010 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 756 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:11:17,834 WARN L178 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2018-10-04 10:11:18,912 WARN L178 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2018-10-04 10:11:19,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:11:19,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 109 states and 134 transitions. [2018-10-04 10:11:19,178 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 134 transitions. [2018-10-04 10:11:19,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-10-04 10:11:19,179 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:11:19,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:11:19,238 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 10:11:19,841 INFO L134 CoverageAnalysis]: Checked inductivity of 812 backedges. 0 proven. 812 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:11:21,874 WARN L178 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2018-10-04 10:11:23,010 WARN L178 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2018-10-04 10:11:23,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:11:23,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 113 states and 139 transitions. [2018-10-04 10:11:23,572 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 139 transitions. [2018-10-04 10:11:23,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-10-04 10:11:23,573 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:11:23,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:11:23,644 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 10:11:25,074 INFO L134 CoverageAnalysis]: Checked inductivity of 870 backedges. 0 proven. 870 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:11:27,155 WARN L178 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2018-10-04 10:11:28,350 WARN L178 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2018-10-04 10:11:28,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:11:28,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 117 states and 144 transitions. [2018-10-04 10:11:28,645 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 144 transitions. [2018-10-04 10:11:28,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-10-04 10:11:28,646 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:11:28,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:11:28,711 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 10:11:29,163 INFO L134 CoverageAnalysis]: Checked inductivity of 930 backedges. 0 proven. 930 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:11:31,430 WARN L178 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2018-10-04 10:11:32,706 WARN L178 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2018-10-04 10:11:33,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:11:33,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 121 states and 149 transitions. [2018-10-04 10:11:33,014 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 149 transitions. [2018-10-04 10:11:33,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-10-04 10:11:33,015 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:11:33,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:11:33,101 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 10:11:33,603 INFO L134 CoverageAnalysis]: Checked inductivity of 992 backedges. 0 proven. 992 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:11:35,893 WARN L178 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2018-10-04 10:11:37,187 WARN L178 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2018-10-04 10:11:37,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:11:37,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 125 states and 154 transitions. [2018-10-04 10:11:37,517 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 154 transitions. [2018-10-04 10:11:37,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-10-04 10:11:37,518 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:11:37,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:11:37,595 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 10:11:38,110 INFO L134 CoverageAnalysis]: Checked inductivity of 1056 backedges. 0 proven. 1056 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:11:40,698 WARN L178 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2018-10-04 10:11:42,093 WARN L178 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2018-10-04 10:11:42,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:11:42,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 129 states and 159 transitions. [2018-10-04 10:11:42,450 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 159 transitions. [2018-10-04 10:11:42,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-10-04 10:11:42,451 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:11:42,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:11:42,526 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 10:11:43,056 INFO L134 CoverageAnalysis]: Checked inductivity of 1122 backedges. 0 proven. 1122 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:11:45,651 WARN L178 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2018-10-04 10:11:47,111 WARN L178 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2018-10-04 10:11:47,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:11:47,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 133 states and 164 transitions. [2018-10-04 10:11:47,482 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 164 transitions. [2018-10-04 10:11:47,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-10-04 10:11:47,482 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:11:47,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:11:47,564 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 10:11:48,173 INFO L134 CoverageAnalysis]: Checked inductivity of 1190 backedges. 0 proven. 1190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:11:50,906 WARN L178 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 239 [2018-10-04 10:11:52,424 WARN L178 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 240 [2018-10-04 10:11:52,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:11:52,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 137 states and 169 transitions. [2018-10-04 10:11:52,799 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 169 transitions. [2018-10-04 10:11:52,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-10-04 10:11:52,800 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:11:52,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:11:52,868 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 10:11:53,448 INFO L134 CoverageAnalysis]: Checked inductivity of 1260 backedges. 0 proven. 1260 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:11:55,271 WARN L178 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 13 [2018-10-04 10:11:56,203 WARN L178 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 245 [2018-10-04 10:11:57,796 WARN L178 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 246 [2018-10-04 10:11:58,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:11:58,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 141 states and 174 transitions. [2018-10-04 10:11:58,193 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 174 transitions. [2018-10-04 10:11:58,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-10-04 10:11:58,193 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:11:58,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:11:58,268 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 10:11:58,871 INFO L134 CoverageAnalysis]: Checked inductivity of 1332 backedges. 0 proven. 1332 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:12:01,640 WARN L178 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 252 [2018-10-04 10:12:03,271 WARN L178 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 253 [2018-10-04 10:12:03,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:12:03,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 145 states and 179 transitions. [2018-10-04 10:12:03,712 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 179 transitions. [2018-10-04 10:12:03,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-10-04 10:12:03,713 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:12:03,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:12:03,788 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 10:12:04,394 INFO L134 CoverageAnalysis]: Checked inductivity of 1406 backedges. 0 proven. 1406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:12:07,391 WARN L178 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 259 [2018-10-04 10:12:09,139 WARN L178 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 260 [2018-10-04 10:12:09,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:12:09,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 149 states and 184 transitions. [2018-10-04 10:12:09,552 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 184 transitions. [2018-10-04 10:12:09,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-10-04 10:12:09,553 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:12:09,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:12:09,631 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 10:12:10,253 INFO L134 CoverageAnalysis]: Checked inductivity of 1482 backedges. 0 proven. 1482 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:12:12,615 WARN L178 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 13 [2018-10-04 10:12:13,512 WARN L178 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 266 [2018-10-04 10:12:15,312 WARN L178 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 267 [2018-10-04 10:12:15,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:12:15,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 153 states and 189 transitions. [2018-10-04 10:12:15,809 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 189 transitions. [2018-10-04 10:12:15,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-10-04 10:12:15,810 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:12:15,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:12:15,911 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 10:12:16,783 INFO L134 CoverageAnalysis]: Checked inductivity of 1560 backedges. 0 proven. 1560 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:12:18,872 WARN L178 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 13 [2018-10-04 10:12:19,789 WARN L178 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 273 [2018-10-04 10:12:21,788 WARN L178 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 274 [2018-10-04 10:12:22,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:12:22,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 157 states and 194 transitions. [2018-10-04 10:12:22,248 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 194 transitions. [2018-10-04 10:12:22,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-10-04 10:12:22,249 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:12:22,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:12:22,375 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 10:12:23,116 INFO L134 CoverageAnalysis]: Checked inductivity of 1640 backedges. 0 proven. 1640 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:12:25,277 WARN L178 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 13 [2018-10-04 10:12:26,273 WARN L178 SmtUtils]: Spent 433.00 ms on a formula simplification that was a NOOP. DAG size: 280 [2018-10-04 10:12:28,307 WARN L178 SmtUtils]: Spent 414.00 ms on a formula simplification that was a NOOP. DAG size: 281 [2018-10-04 10:12:28,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:12:28,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 161 states and 199 transitions. [2018-10-04 10:12:28,771 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 199 transitions. [2018-10-04 10:12:28,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-10-04 10:12:28,772 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:12:28,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:12:28,863 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 10:12:29,638 INFO L134 CoverageAnalysis]: Checked inductivity of 1722 backedges. 0 proven. 1722 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:12:32,006 WARN L178 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 13 [2018-10-04 10:12:33,007 WARN L178 SmtUtils]: Spent 403.00 ms on a formula simplification that was a NOOP. DAG size: 287 [2018-10-04 10:12:35,066 WARN L178 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 288 [2018-10-04 10:12:35,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:12:35,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 165 states and 204 transitions. [2018-10-04 10:12:35,582 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 204 transitions. [2018-10-04 10:12:35,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-10-04 10:12:35,583 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:12:35,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:12:35,669 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 10:12:36,643 INFO L134 CoverageAnalysis]: Checked inductivity of 1806 backedges. 0 proven. 1806 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:12:38,973 WARN L178 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 292 DAG size of output: 13 [2018-10-04 10:12:39,991 WARN L178 SmtUtils]: Spent 410.00 ms on a formula simplification that was a NOOP. DAG size: 294 [2018-10-04 10:12:42,175 WARN L178 SmtUtils]: Spent 405.00 ms on a formula simplification that was a NOOP. DAG size: 295 [2018-10-04 10:12:42,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:12:42,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 169 states and 209 transitions. [2018-10-04 10:12:42,693 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 209 transitions. [2018-10-04 10:12:42,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-10-04 10:12:42,694 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:12:42,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:12:42,796 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 10:12:43,566 INFO L134 CoverageAnalysis]: Checked inductivity of 1892 backedges. 0 proven. 1892 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:12:45,944 WARN L178 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 13 [2018-10-04 10:12:47,052 WARN L178 SmtUtils]: Spent 425.00 ms on a formula simplification that was a NOOP. DAG size: 301 [2018-10-04 10:12:49,263 WARN L178 SmtUtils]: Spent 420.00 ms on a formula simplification that was a NOOP. DAG size: 302 [2018-10-04 10:12:49,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:12:49,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 173 states and 214 transitions. [2018-10-04 10:12:49,773 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 214 transitions. [2018-10-04 10:12:49,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-10-04 10:12:49,774 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:12:49,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:12:49,876 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 10:12:50,661 INFO L134 CoverageAnalysis]: Checked inductivity of 1980 backedges. 0 proven. 1980 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:12:53,286 WARN L178 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 305 DAG size of output: 13 [2018-10-04 10:12:54,394 WARN L178 SmtUtils]: Spent 437.00 ms on a formula simplification that was a NOOP. DAG size: 307 [2018-10-04 10:12:56,734 WARN L178 SmtUtils]: Spent 486.00 ms on a formula simplification that was a NOOP. DAG size: 308 [2018-10-04 10:12:57,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:12:57,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 177 states and 219 transitions. [2018-10-04 10:12:57,340 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 219 transitions. [2018-10-04 10:12:57,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-10-04 10:12:57,340 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:12:57,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:12:57,447 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 10:12:59,549 INFO L134 CoverageAnalysis]: Checked inductivity of 2070 backedges. 0 proven. 2070 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:13:03,151 WARN L178 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 13 DAG size of output: 10 [2018-10-04 10:13:05,686 WARN L178 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 312 DAG size of output: 13 [2018-10-04 10:13:06,834 WARN L178 SmtUtils]: Spent 469.00 ms on a formula simplification that was a NOOP. DAG size: 314 [2018-10-04 10:13:09,341 WARN L178 SmtUtils]: Spent 484.00 ms on a formula simplification that was a NOOP. DAG size: 315 [2018-10-04 10:13:09,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:13:09,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 181 states and 224 transitions. [2018-10-04 10:13:09,912 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 224 transitions. [2018-10-04 10:13:09,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-10-04 10:13:09,913 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:13:10,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:13:10,061 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 10:13:11,381 INFO L134 CoverageAnalysis]: Checked inductivity of 2162 backedges. 0 proven. 2162 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:13:14,259 WARN L178 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 319 DAG size of output: 13 [2018-10-04 10:13:15,452 WARN L178 SmtUtils]: Spent 471.00 ms on a formula simplification that was a NOOP. DAG size: 321 [2018-10-04 10:13:18,023 WARN L178 SmtUtils]: Spent 462.00 ms on a formula simplification that was a NOOP. DAG size: 322 [2018-10-04 10:13:18,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:13:18,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 185 states and 229 transitions. [2018-10-04 10:13:18,642 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 229 transitions. [2018-10-04 10:13:18,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-10-04 10:13:18,643 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:13:18,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:13:18,781 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 10:13:19,717 INFO L134 CoverageAnalysis]: Checked inductivity of 2256 backedges. 0 proven. 2256 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:13:22,527 WARN L178 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 326 DAG size of output: 13 [2018-10-04 10:13:23,786 WARN L178 SmtUtils]: Spent 481.00 ms on a formula simplification that was a NOOP. DAG size: 328 [2018-10-04 10:13:26,313 WARN L178 SmtUtils]: Spent 468.00 ms on a formula simplification that was a NOOP. DAG size: 329 [2018-10-04 10:13:27,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:13:27,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 189 states and 234 transitions. [2018-10-04 10:13:27,132 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 234 transitions. [2018-10-04 10:13:27,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-10-04 10:13:27,133 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:13:27,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:13:27,289 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 10:13:28,390 INFO L134 CoverageAnalysis]: Checked inductivity of 2352 backedges. 0 proven. 2352 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:13:31,246 WARN L178 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 333 DAG size of output: 13 [2018-10-04 10:13:32,526 WARN L178 SmtUtils]: Spent 526.00 ms on a formula simplification that was a NOOP. DAG size: 335 [2018-10-04 10:13:35,153 WARN L178 SmtUtils]: Spent 481.00 ms on a formula simplification that was a NOOP. DAG size: 336 [2018-10-04 10:13:35,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:13:35,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 193 states and 239 transitions. [2018-10-04 10:13:35,772 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 239 transitions. [2018-10-04 10:13:35,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-10-04 10:13:35,773 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:13:35,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:13:35,900 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 10:13:36,913 INFO L134 CoverageAnalysis]: Checked inductivity of 2450 backedges. 0 proven. 2450 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:13:39,958 WARN L178 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 340 DAG size of output: 13 [2018-10-04 10:13:41,240 WARN L178 SmtUtils]: Spent 501.00 ms on a formula simplification that was a NOOP. DAG size: 342 [2018-10-04 10:13:43,964 WARN L178 SmtUtils]: Spent 504.00 ms on a formula simplification that was a NOOP. DAG size: 343 [2018-10-04 10:13:44,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:13:44,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 197 states and 244 transitions. [2018-10-04 10:13:44,597 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 244 transitions. [2018-10-04 10:13:44,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-10-04 10:13:44,598 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:13:44,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:13:44,782 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 10:13:45,721 INFO L134 CoverageAnalysis]: Checked inductivity of 2550 backedges. 0 proven. 2550 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:13:48,822 WARN L178 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 13 [2018-10-04 10:13:50,129 WARN L178 SmtUtils]: Spent 513.00 ms on a formula simplification that was a NOOP. DAG size: 349 [2018-10-04 10:13:52,898 WARN L178 SmtUtils]: Spent 538.00 ms on a formula simplification that was a NOOP. DAG size: 350 [2018-10-04 10:13:53,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:13:53,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 201 states and 249 transitions. [2018-10-04 10:13:53,591 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 249 transitions. [2018-10-04 10:13:53,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-10-04 10:13:53,592 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:13:53,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:13:53,758 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 10:13:55,392 INFO L134 CoverageAnalysis]: Checked inductivity of 2652 backedges. 0 proven. 2652 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:13:58,467 WARN L178 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 354 DAG size of output: 13 [2018-10-04 10:13:59,840 WARN L178 SmtUtils]: Spent 563.00 ms on a formula simplification that was a NOOP. DAG size: 356 [2018-10-04 10:14:02,674 WARN L178 SmtUtils]: Spent 534.00 ms on a formula simplification that was a NOOP. DAG size: 357 [2018-10-04 10:14:03,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:14:03,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 205 states and 254 transitions. [2018-10-04 10:14:03,399 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 254 transitions. [2018-10-04 10:14:03,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-10-04 10:14:03,399 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:14:03,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:14:03,531 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 10:14:04,479 INFO L134 CoverageAnalysis]: Checked inductivity of 2756 backedges. 0 proven. 2756 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:14:07,660 WARN L178 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 361 DAG size of output: 13 [2018-10-04 10:14:09,120 WARN L178 SmtUtils]: Spent 548.00 ms on a formula simplification that was a NOOP. DAG size: 363 [2018-10-04 10:14:12,098 WARN L178 SmtUtils]: Spent 547.00 ms on a formula simplification that was a NOOP. DAG size: 364 [2018-10-04 10:14:12,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:14:12,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 209 states and 259 transitions. [2018-10-04 10:14:12,793 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 259 transitions. [2018-10-04 10:14:12,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-10-04 10:14:12,794 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:14:12,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:14:12,927 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 10:14:14,149 INFO L134 CoverageAnalysis]: Checked inductivity of 2862 backedges. 0 proven. 2862 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:14:17,424 WARN L178 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 368 DAG size of output: 13 [2018-10-04 10:14:18,955 WARN L178 SmtUtils]: Spent 642.00 ms on a formula simplification that was a NOOP. DAG size: 370 [2018-10-04 10:14:22,068 WARN L178 SmtUtils]: Spent 564.00 ms on a formula simplification that was a NOOP. DAG size: 371 [2018-10-04 10:14:22,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:14:22,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 213 states and 264 transitions. [2018-10-04 10:14:22,785 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 264 transitions. [2018-10-04 10:14:22,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-10-04 10:14:22,786 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:14:22,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:14:22,930 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 10:14:24,135 INFO L134 CoverageAnalysis]: Checked inductivity of 2970 backedges. 0 proven. 2970 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:14:27,485 WARN L178 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 374 DAG size of output: 13 [2018-10-04 10:14:29,073 WARN L178 SmtUtils]: Spent 653.00 ms on a formula simplification that was a NOOP. DAG size: 376 [2018-10-04 10:14:32,381 WARN L178 SmtUtils]: Spent 579.00 ms on a formula simplification that was a NOOP. DAG size: 377 [2018-10-04 10:14:33,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:14:33,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 217 states and 269 transitions. [2018-10-04 10:14:33,117 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 269 transitions. [2018-10-04 10:14:33,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-10-04 10:14:33,118 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:14:33,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:14:33,281 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 10:14:34,615 INFO L134 CoverageAnalysis]: Checked inductivity of 3080 backedges. 0 proven. 3080 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:14:38,172 WARN L178 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 381 DAG size of output: 13 [2018-10-04 10:14:39,792 WARN L178 SmtUtils]: Spent 659.00 ms on a formula simplification that was a NOOP. DAG size: 383 Received shutdown request... [2018-10-04 10:14:41,501 INFO L256 ToolchainWalker]: Toolchain cancelled while executing plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck. Reason: Timeout or Toolchain cancelled by user [2018-10-04 10:14:41,503 INFO L168 Benchmark]: Toolchain (without parser) took 258935.72 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 136.8 MB). Free memory was 1.5 GB in the beginning and 1.2 GB in the end (delta: 250.2 MB). Peak memory consumption was 387.0 MB. Max. memory is 7.1 GB. [2018-10-04 10:14:41,504 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.15 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. [2018-10-04 10:14:41,504 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.71 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. [2018-10-04 10:14:41,505 INFO L168 Benchmark]: Boogie Preprocessor took 27.08 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. [2018-10-04 10:14:41,506 INFO L168 Benchmark]: RCFGBuilder took 349.93 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-10-04 10:14:41,507 INFO L168 Benchmark]: CodeCheck took 258512.28 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 136.8 MB). Free memory was 1.5 GB in the beginning and 1.2 GB in the end (delta: 229.1 MB). Peak memory consumption was 365.9 MB. Max. memory is 7.1 GB. [2018-10-04 10:14:41,510 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 659 known predicates. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.15 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 42.71 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. * Boogie Preprocessor took 27.08 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 349.93 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * CodeCheck took 258512.28 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 136.8 MB). Free memory was 1.5 GB in the beginning and 1.2 GB in the end (delta: 229.1 MB). Peak memory consumption was 365.9 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/gauss_sum.i_3.bpl_svcomp-Reach-32bit-Kojak_Default.epf_KojakBplInline.xml/Csv-Benchmark-0-2018-10-04_10-14-41-523.csv Completed graceful shutdown