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_PUPT.epf -i ../../../trunk/examples/programs/toy/nonlinear/Mult1-Safe.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1cc990c [2018-10-01 04:15:15,480 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-01 04:15:15,482 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-01 04:15:15,498 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-01 04:15:15,499 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-01 04:15:15,500 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-01 04:15:15,502 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-01 04:15:15,505 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-01 04:15:15,507 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-01 04:15:15,508 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-01 04:15:15,516 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-01 04:15:15,516 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-01 04:15:15,521 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-01 04:15:15,522 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-01 04:15:15,523 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-01 04:15:15,524 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-01 04:15:15,525 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-01 04:15:15,530 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-01 04:15:15,533 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-01 04:15:15,536 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-01 04:15:15,538 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-01 04:15:15,539 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-01 04:15:15,543 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-01 04:15:15,543 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-01 04:15:15,543 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-01 04:15:15,544 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-01 04:15:15,548 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-01 04:15:15,552 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-01 04:15:15,553 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-01 04:15:15,555 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-01 04:15:15,555 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-01 04:15:15,556 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-01 04:15:15,557 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-01 04:15:15,557 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-01 04:15:15,558 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-01 04:15:15,560 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-01 04:15:15,560 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Kojak_Default_PUPT.epf [2018-10-01 04:15:15,585 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-01 04:15:15,586 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-01 04:15:15,587 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-01 04:15:15,587 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-01 04:15:15,588 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-01 04:15:15,588 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-01 04:15:15,588 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-01 04:15:15,591 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-01 04:15:15,591 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-01 04:15:15,591 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-01 04:15:15,592 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-01 04:15:15,592 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-01 04:15:15,592 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-01 04:15:15,592 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-01 04:15:15,592 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-01 04:15:15,593 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-01 04:15:15,593 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-01 04:15:15,593 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-01 04:15:15,593 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-01 04:15:15,594 INFO L133 SettingsManager]: * Use predicate trie based predicate unification=true [2018-10-01 04:15:15,595 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-01 04:15:15,595 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-01 04:15:15,595 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-01 04:15:15,595 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-01 04:15:15,595 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-01 04:15:15,596 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-01 04:15:15,596 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-01 04:15:15,596 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-01 04:15:15,596 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-01 04:15:15,596 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-01 04:15:15,667 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-01 04:15:15,681 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-01 04:15:15,685 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-01 04:15:15,687 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-01 04:15:15,687 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-01 04:15:15,688 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/nonlinear/Mult1-Safe.bpl [2018-10-01 04:15:15,688 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/nonlinear/Mult1-Safe.bpl' [2018-10-01 04:15:15,727 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-01 04:15:15,731 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-01 04:15:15,731 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-01 04:15:15,732 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-01 04:15:15,732 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-01 04:15:15,752 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "Mult1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 04:15:15" (1/1) ... [2018-10-01 04:15:15,765 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "Mult1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 04:15:15" (1/1) ... [2018-10-01 04:15:15,769 WARN L165 Inliner]: Program contained no entry procedure! [2018-10-01 04:15:15,770 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-10-01 04:15:15,770 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-10-01 04:15:15,772 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-01 04:15:15,773 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-01 04:15:15,773 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-01 04:15:15,774 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-01 04:15:15,785 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "Mult1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 04:15:15" (1/1) ... [2018-10-01 04:15:15,785 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "Mult1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 04:15:15" (1/1) ... [2018-10-01 04:15:15,786 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "Mult1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 04:15:15" (1/1) ... [2018-10-01 04:15:15,786 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "Mult1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 04:15:15" (1/1) ... [2018-10-01 04:15:15,788 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "Mult1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 04:15:15" (1/1) ... [2018-10-01 04:15:15,793 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "Mult1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 04:15:15" (1/1) ... [2018-10-01 04:15:15,794 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "Mult1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 04:15:15" (1/1) ... [2018-10-01 04:15:15,795 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-01 04:15:15,796 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-01 04:15:15,796 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-01 04:15:15,796 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-01 04:15:15,797 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "Mult1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 04:15:15" (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 [2018-10-01 04:15:15,872 INFO L124 BoogieDeclarations]: Specification and implementation of procedure mult given in one single declaration [2018-10-01 04:15:15,873 INFO L130 BoogieDeclarations]: Found specification of procedure mult [2018-10-01 04:15:15,873 INFO L138 BoogieDeclarations]: Found implementation of procedure mult [2018-10-01 04:15:15,948 WARN L639 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-10-01 04:15:16,079 INFO L345 CfgBuilder]: Using library mode [2018-10-01 04:15:16,080 INFO L202 PluginConnector]: Adding new model Mult1-Safe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.10 04:15:16 BoogieIcfgContainer [2018-10-01 04:15:16,080 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-01 04:15:16,081 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-01 04:15:16,081 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-01 04:15:16,092 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-01 04:15:16,092 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "Mult1-Safe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.10 04:15:16" (1/1) ... [2018-10-01 04:15:16,105 INFO L99 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-10-01 04:15:16,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:15:16,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 5 transitions. [2018-10-01 04:15:16,138 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 5 transitions. [2018-10-01 04:15:16,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-10-01 04:15:16,140 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:15:16,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:15:16,230 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-01 04:15:16,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:15:16,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:15:16,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 7 states and 11 transitions. [2018-10-01 04:15:16,860 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 11 transitions. [2018-10-01 04:15:16,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-10-01 04:15:16,864 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:15:16,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:15:16,886 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-01 04:15:17,134 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:15:18,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:15:18,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 10 states and 19 transitions. [2018-10-01 04:15:18,606 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 19 transitions. [2018-10-01 04:15:18,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-10-01 04:15:18,607 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:15:18,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:15:18,625 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-01 04:15:18,740 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:15:19,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:15:19,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 13 states and 24 transitions. [2018-10-01 04:15:19,606 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 24 transitions. [2018-10-01 04:15:19,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-10-01 04:15:19,607 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:15:19,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:15:19,633 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-01 04:15:19,781 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:15:21,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:15:21,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 15 states and 29 transitions. [2018-10-01 04:15:21,070 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 29 transitions. [2018-10-01 04:15:21,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-10-01 04:15:21,071 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:15:21,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:15:21,091 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-01 04:15:21,250 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:15:23,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:15:23,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 18 states and 34 transitions. [2018-10-01 04:15:23,094 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 34 transitions. [2018-10-01 04:15:23,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-01 04:15:23,095 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:15:23,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:15:23,116 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-01 04:15:23,367 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:15:24,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:15:24,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 20 states and 39 transitions. [2018-10-01 04:15:24,252 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 39 transitions. [2018-10-01 04:15:24,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-10-01 04:15:24,252 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:15:24,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:15:24,276 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-01 04:15:24,681 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:15:26,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:15:26,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 23 states and 44 transitions. [2018-10-01 04:15:26,016 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 44 transitions. [2018-10-01 04:15:26,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-01 04:15:26,016 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:15:26,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:15:26,042 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-01 04:15:26,346 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:15:27,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:15:27,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 25 states and 49 transitions. [2018-10-01 04:15:27,884 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 49 transitions. [2018-10-01 04:15:27,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-01 04:15:27,885 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:15:27,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:15:27,929 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-01 04:15:28,186 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:15:30,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:15:30,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 28 states and 54 transitions. [2018-10-01 04:15:30,301 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 54 transitions. [2018-10-01 04:15:30,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-01 04:15:30,302 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:15:30,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:15:30,339 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-01 04:15:31,580 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:15:33,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:15:33,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 30 states and 59 transitions. [2018-10-01 04:15:33,307 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 59 transitions. [2018-10-01 04:15:33,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-01 04:15:33,308 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:15:33,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:15:33,337 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-01 04:15:33,768 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:15:35,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:15:35,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 33 states and 64 transitions. [2018-10-01 04:15:35,601 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 64 transitions. [2018-10-01 04:15:35,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-01 04:15:35,602 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:15:35,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:15:35,644 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-01 04:15:35,993 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:15:38,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:15:38,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 35 states and 69 transitions. [2018-10-01 04:15:38,253 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 69 transitions. [2018-10-01 04:15:38,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-01 04:15:38,254 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:15:38,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:15:38,288 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-01 04:15:38,774 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:15:40,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:15:40,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 38 states and 74 transitions. [2018-10-01 04:15:40,826 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 74 transitions. [2018-10-01 04:15:40,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-01 04:15:40,828 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:15:40,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:15:40,856 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-01 04:15:41,330 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:15:43,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:15:43,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 40 states and 78 transitions. [2018-10-01 04:15:43,294 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 78 transitions. [2018-10-01 04:15:43,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-01 04:15:43,295 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:15:43,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:15:43,339 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-01 04:15:43,710 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:15:45,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:15:45,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 42 states and 82 transitions. [2018-10-01 04:15:45,510 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 82 transitions. [2018-10-01 04:15:45,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-01 04:15:45,511 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:15:45,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:15:45,556 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-01 04:15:45,948 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:15:47,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:15:47,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 44 states and 86 transitions. [2018-10-01 04:15:47,920 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 86 transitions. [2018-10-01 04:15:47,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-10-01 04:15:47,921 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:15:48,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:15:48,016 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-01 04:15:48,674 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:15:51,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:15:51,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 46 states and 91 transitions. [2018-10-01 04:15:51,430 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 91 transitions. [2018-10-01 04:15:51,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-01 04:15:51,433 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:15:51,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:15:51,487 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-01 04:15:52,167 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:15:55,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:15:55,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 49 states and 96 transitions. [2018-10-01 04:15:55,304 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 96 transitions. [2018-10-01 04:15:55,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-01 04:15:55,305 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:15:55,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:15:55,349 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-01 04:15:56,049 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:15:59,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:15:59,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 51 states and 100 transitions. [2018-10-01 04:15:59,353 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 100 transitions. [2018-10-01 04:15:59,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-10-01 04:15:59,354 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:15:59,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:15:59,521 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-01 04:16:00,037 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:16:03,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:16:03,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 53 states and 105 transitions. [2018-10-01 04:16:03,786 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 105 transitions. [2018-10-01 04:16:03,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-10-01 04:16:03,788 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:16:03,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:16:03,963 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-01 04:16:04,645 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:16:09,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:16:09,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 56 states and 111 transitions. [2018-10-01 04:16:09,370 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 111 transitions. [2018-10-01 04:16:09,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-10-01 04:16:09,371 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:16:09,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:16:09,427 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-01 04:16:10,328 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:16:14,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:16:14,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 59 states and 116 transitions. [2018-10-01 04:16:14,349 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 116 transitions. [2018-10-01 04:16:14,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-10-01 04:16:14,350 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:16:14,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:16:14,678 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-01 04:16:15,541 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:16:19,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:16:19,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 61 states and 121 transitions. [2018-10-01 04:16:19,874 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 121 transitions. [2018-10-01 04:16:19,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-10-01 04:16:19,875 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:16:20,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:16:20,129 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-01 04:16:20,941 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:16:26,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:16:26,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 64 states and 127 transitions. [2018-10-01 04:16:26,881 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 127 transitions. [2018-10-01 04:16:26,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-10-01 04:16:26,882 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:16:26,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:16:26,935 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-01 04:16:27,858 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:16:32,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:16:32,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 67 states and 132 transitions. [2018-10-01 04:16:32,924 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 132 transitions. [2018-10-01 04:16:32,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-10-01 04:16:32,925 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:16:33,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:16:33,258 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-01 04:16:34,153 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:16:39,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:16:39,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 69 states and 137 transitions. [2018-10-01 04:16:39,523 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 137 transitions. [2018-10-01 04:16:39,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-10-01 04:16:39,524 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:16:39,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:16:39,930 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-01 04:16:42,172 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:16:49,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:16:49,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 72 states and 143 transitions. [2018-10-01 04:16:49,313 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 143 transitions. [2018-10-01 04:16:49,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-10-01 04:16:49,314 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:16:49,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:16:49,407 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-01 04:16:50,397 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:16:56,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:16:56,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 75 states and 148 transitions. [2018-10-01 04:16:56,740 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 148 transitions. [2018-10-01 04:16:56,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-10-01 04:16:56,741 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:16:56,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:16:56,820 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-01 04:16:57,988 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 0 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:17:02,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:17:02,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 77 states and 152 transitions. [2018-10-01 04:17:02,837 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 152 transitions. [2018-10-01 04:17:02,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-10-01 04:17:02,838 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:17:02,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:17:02,920 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-01 04:17:03,851 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:17:08,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:17:08,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 79 states and 156 transitions. [2018-10-01 04:17:08,827 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 156 transitions. [2018-10-01 04:17:08,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-10-01 04:17:08,828 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:17:09,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:17:09,782 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-01 04:17:10,772 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:17:17,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:17:17,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 81 states and 161 transitions. [2018-10-01 04:17:17,722 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 161 transitions. [2018-10-01 04:17:17,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-10-01 04:17:17,723 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:17:17,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:17:17,820 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-01 04:17:19,053 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 0 proven. 496 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:17:27,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:17:27,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 84 states and 166 transitions. [2018-10-01 04:17:27,359 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 166 transitions. [2018-10-01 04:17:27,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-10-01 04:17:27,360 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:17:27,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:17:27,433 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-01 04:17:28,753 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 0 proven. 528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:17:34,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:17:34,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 86 states and 170 transitions. [2018-10-01 04:17:34,645 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 170 transitions. [2018-10-01 04:17:34,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-10-01 04:17:34,646 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:17:35,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:17:35,392 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-01 04:17:36,436 INFO L134 CoverageAnalysis]: Checked inductivity of 561 backedges. 0 proven. 561 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:17:44,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:17:44,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 88 states and 175 transitions. [2018-10-01 04:17:44,348 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 175 transitions. [2018-10-01 04:17:44,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-10-01 04:17:44,349 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:17:44,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:17:44,459 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-01 04:17:45,705 INFO L134 CoverageAnalysis]: Checked inductivity of 595 backedges. 0 proven. 595 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:17:54,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:17:54,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 91 states and 180 transitions. [2018-10-01 04:17:54,054 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 180 transitions. [2018-10-01 04:17:54,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-10-01 04:17:54,054 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:17:54,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:17:54,137 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-01 04:17:55,441 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 630 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:18:01,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:18:01,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 93 states and 184 transitions. [2018-10-01 04:18:01,982 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 184 transitions. [2018-10-01 04:18:01,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-10-01 04:18:01,982 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:18:02,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:18:02,880 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-01 04:18:04,015 INFO L134 CoverageAnalysis]: Checked inductivity of 666 backedges. 0 proven. 666 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:18:13,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:18:13,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 95 states and 189 transitions. [2018-10-01 04:18:13,148 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 189 transitions. [2018-10-01 04:18:13,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-10-01 04:18:13,149 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:18:14,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:18:14,191 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-01 04:18:15,741 INFO L134 CoverageAnalysis]: Checked inductivity of 703 backedges. 0 proven. 703 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:18:27,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:18:27,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 98 states and 195 transitions. [2018-10-01 04:18:27,567 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 195 transitions. [2018-10-01 04:18:27,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-10-01 04:18:27,568 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:18:28,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:18:28,580 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-01 04:18:30,165 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:18:42,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:18:42,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 101 states and 201 transitions. [2018-10-01 04:18:42,741 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 201 transitions. [2018-10-01 04:18:42,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-10-01 04:18:42,741 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:18:43,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:18:43,902 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-01 04:18:45,800 INFO L134 CoverageAnalysis]: Checked inductivity of 780 backedges. 0 proven. 780 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:18:59,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:18:59,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 104 states and 207 transitions. [2018-10-01 04:18:59,124 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 207 transitions. [2018-10-01 04:18:59,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-10-01 04:18:59,125 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:19:00,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:19:00,615 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-01 04:19:02,685 INFO L134 CoverageAnalysis]: Checked inductivity of 820 backedges. 0 proven. 820 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:19:16,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:19:16,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 107 states and 213 transitions. [2018-10-01 04:19:16,797 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 213 transitions. [2018-10-01 04:19:16,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-10-01 04:19:16,798 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:19:16,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:19:16,934 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-01 04:19:18,595 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 0 proven. 861 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:19:30,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:19:30,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 110 states and 218 transitions. [2018-10-01 04:19:30,225 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 218 transitions. [2018-10-01 04:19:30,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-10-01 04:19:30,226 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:19:30,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:19:30,382 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-01 04:19:32,403 INFO L134 CoverageAnalysis]: Checked inductivity of 903 backedges. 0 proven. 903 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:19:41,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:19:41,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 112 states and 222 transitions. [2018-10-01 04:19:41,458 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 222 transitions. [2018-10-01 04:19:41,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-10-01 04:19:41,459 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:19:43,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:19:43,055 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-01 04:19:44,613 INFO L134 CoverageAnalysis]: Checked inductivity of 946 backedges. 0 proven. 946 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:19:57,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:19:57,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 114 states and 227 transitions. [2018-10-01 04:19:57,156 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 227 transitions. [2018-10-01 04:19:57,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-10-01 04:19:57,157 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:19:57,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:19:57,298 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-01 04:19:59,176 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 990 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:20:11,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:20:11,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 117 states and 232 transitions. [2018-10-01 04:20:11,608 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 232 transitions. [2018-10-01 04:20:11,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-10-01 04:20:11,608 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:20:11,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:20:11,791 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-01 04:20:13,655 INFO L134 CoverageAnalysis]: Checked inductivity of 1035 backedges. 0 proven. 1035 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:20:23,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:20:23,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 119 states and 236 transitions. [2018-10-01 04:20:23,678 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 236 transitions. [2018-10-01 04:20:23,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-10-01 04:20:23,678 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:20:26,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:20:26,034 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-01 04:20:27,736 INFO L134 CoverageAnalysis]: Checked inductivity of 1081 backedges. 0 proven. 1081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:20:41,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:20:41,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 121 states and 241 transitions. [2018-10-01 04:20:41,730 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 241 transitions. [2018-10-01 04:20:41,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-10-01 04:20:41,730 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:20:41,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:20:41,874 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-01 04:20:43,849 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 1128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:20:57,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:20:57,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 124 states and 246 transitions. [2018-10-01 04:20:57,774 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 246 transitions. [2018-10-01 04:20:57,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-10-01 04:20:57,775 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:21:00,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:21:00,215 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-01 04:21:02,310 INFO L134 CoverageAnalysis]: Checked inductivity of 1176 backedges. 0 proven. 1176 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:21:17,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:21:17,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 126 states and 251 transitions. [2018-10-01 04:21:17,434 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 251 transitions. [2018-10-01 04:21:17,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-10-01 04:21:17,435 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:21:20,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:21:20,050 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-01 04:21:22,281 INFO L134 CoverageAnalysis]: Checked inductivity of 1225 backedges. 0 proven. 1225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:21:41,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:21:41,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 129 states and 257 transitions. [2018-10-01 04:21:41,861 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 257 transitions. [2018-10-01 04:21:41,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-10-01 04:21:41,861 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:21:42,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:21:42,075 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-01 04:21:44,230 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 1275 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:22:00,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:22:00,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 132 states and 262 transitions. [2018-10-01 04:22:00,160 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 262 transitions. [2018-10-01 04:22:00,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-10-01 04:22:00,161 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:22:02,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:22:02,935 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-01 04:22:05,317 INFO L134 CoverageAnalysis]: Checked inductivity of 1326 backedges. 0 proven. 1326 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:22:22,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:22:22,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 134 states and 267 transitions. [2018-10-01 04:22:22,949 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 267 transitions. [2018-10-01 04:22:22,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-10-01 04:22:22,950 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:22:23,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:22:23,144 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-01 04:22:25,417 INFO L134 CoverageAnalysis]: Checked inductivity of 1378 backedges. 0 proven. 1378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:22:42,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:22:42,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 137 states and 272 transitions. [2018-10-01 04:22:42,319 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 272 transitions. [2018-10-01 04:22:42,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-10-01 04:22:42,320 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:22:42,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:22:42,582 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-01 04:22:44,838 INFO L134 CoverageAnalysis]: Checked inductivity of 1431 backedges. 0 proven. 1431 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:22:58,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:22:58,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 139 states and 276 transitions. [2018-10-01 04:22:58,546 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 276 transitions. [2018-10-01 04:22:58,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-10-01 04:22:58,546 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:23:02,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:23:02,508 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-01 04:23:04,658 INFO L134 CoverageAnalysis]: Checked inductivity of 1485 backedges. 0 proven. 1485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:23:23,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:23:23,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 141 states and 281 transitions. [2018-10-01 04:23:23,900 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 281 transitions. [2018-10-01 04:23:23,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-10-01 04:23:23,900 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:23:27,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:23:27,714 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-01 04:23:30,420 INFO L134 CoverageAnalysis]: Checked inductivity of 1540 backedges. 0 proven. 1540 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:23:57,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:23:57,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 144 states and 287 transitions. [2018-10-01 04:23:57,814 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 287 transitions. [2018-10-01 04:23:57,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-10-01 04:23:57,815 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:24:01,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:24:01,729 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-01 04:24:04,950 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 1596 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:24:29,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:24:29,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 147 states and 293 transitions. [2018-10-01 04:24:29,886 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 293 transitions. [2018-10-01 04:24:29,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-10-01 04:24:29,887 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:24:30,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:24:30,187 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-01 04:24:33,617 INFO L134 CoverageAnalysis]: Checked inductivity of 1653 backedges. 0 proven. 1653 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:24:53,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:24:53,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 150 states and 298 transitions. [2018-10-01 04:24:53,533 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 298 transitions. [2018-10-01 04:24:53,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-10-01 04:24:53,534 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:24:58,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:24:58,128 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-01 04:25:01,009 INFO L134 CoverageAnalysis]: Checked inductivity of 1711 backedges. 0 proven. 1711 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:25:23,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:25:23,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 152 states and 303 transitions. [2018-10-01 04:25:23,537 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 303 transitions. [2018-10-01 04:25:23,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-10-01 04:25:23,538 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:25:23,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:25:23,947 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-01 04:25:26,800 INFO L134 CoverageAnalysis]: Checked inductivity of 1770 backedges. 0 proven. 1770 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:25:48,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:25:48,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 155 states and 308 transitions. [2018-10-01 04:25:48,798 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 308 transitions. [2018-10-01 04:25:48,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-10-01 04:25:48,799 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:25:49,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:25:49,040 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-01 04:25:51,781 INFO L134 CoverageAnalysis]: Checked inductivity of 1830 backedges. 0 proven. 1830 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:26:09,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:26:09,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 157 states and 312 transitions. [2018-10-01 04:26:09,061 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 312 transitions. [2018-10-01 04:26:09,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-10-01 04:26:09,061 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:26:14,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:26:14,879 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-01 04:26:17,563 INFO L134 CoverageAnalysis]: Checked inductivity of 1891 backedges. 0 proven. 1891 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:26:42,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:26:42,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 159 states and 317 transitions. [2018-10-01 04:26:42,023 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 317 transitions. [2018-10-01 04:26:42,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-10-01 04:26:42,023 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:26:48,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:26:48,213 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-01 04:26:52,147 INFO L134 CoverageAnalysis]: Checked inductivity of 1953 backedges. 0 proven. 1953 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:27:22,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:27:22,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 162 states and 323 transitions. [2018-10-01 04:27:22,183 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 323 transitions. [2018-10-01 04:27:22,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-10-01 04:27:22,184 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:27:28,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:27:28,853 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-01 04:27:32,920 INFO L134 CoverageAnalysis]: Checked inductivity of 2016 backedges. 0 proven. 2016 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:28:05,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:28:05,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 165 states and 329 transitions. [2018-10-01 04:28:05,344 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 329 transitions. [2018-10-01 04:28:05,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-10-01 04:28:05,345 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:28:12,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:28:12,465 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-01 04:28:16,655 INFO L134 CoverageAnalysis]: Checked inductivity of 2080 backedges. 0 proven. 2080 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:28:48,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:28:48,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 168 states and 335 transitions. [2018-10-01 04:28:48,629 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 335 transitions. [2018-10-01 04:28:48,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-10-01 04:28:48,630 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:28:49,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:28:49,086 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-01 04:28:53,098 INFO L134 CoverageAnalysis]: Checked inductivity of 2145 backedges. 0 proven. 2145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:29:18,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:29:18,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 171 states and 340 transitions. [2018-10-01 04:29:18,323 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 340 transitions. [2018-10-01 04:29:18,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-10-01 04:29:18,324 INFO L423 CodeCheckObserver]: Error Path is FOUND. Received shutdown request... [2018-10-01 04:29:27,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:29:27,990 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-01 04:29:27,992 INFO L177 TraceCheckSpWp]: Timeout while computing interpolants [2018-10-01 04:29:27,992 INFO L256 ToolchainWalker]: Toolchain cancelled while executing plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck. Reason: Timeout or Toolchain cancelled by user [2018-10-01 04:29:27,994 INFO L168 Benchmark]: Toolchain (without parser) took 852266.08 ms. Allocated memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: -251.1 MB). Free memory was 1.5 GB in the beginning and 811.2 MB in the end (delta: 639.3 MB). Peak memory consumption was 388.1 MB. Max. memory is 7.1 GB. [2018-10-01 04:29:27,996 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.19 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. [2018-10-01 04:29:27,997 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.34 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. [2018-10-01 04:29:27,997 INFO L168 Benchmark]: Boogie Preprocessor took 22.05 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. [2018-10-01 04:29:27,997 INFO L168 Benchmark]: RCFGBuilder took 284.80 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. [2018-10-01 04:29:27,998 INFO L168 Benchmark]: CodeCheck took 851912.71 ms. Allocated memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: -251.1 MB). Free memory was 1.4 GB in the beginning and 811.2 MB in the end (delta: 618.1 MB). Peak memory consumption was 367.0 MB. Max. memory is 7.1 GB. [2018-10-01 04:29:28,002 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - TimeoutResult: Timeout (de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck) Toolchain cancelled while TraceCheckSpWp was constructing forward predicates, while XnfDer was eliminating 1 quantified variables from 2 xjuncts. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.19 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 41.34 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 22.05 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 284.80 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 851912.71 ms. Allocated memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: -251.1 MB). Free memory was 1.4 GB in the beginning and 811.2 MB in the end (delta: 618.1 MB). Peak memory consumption was 367.0 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Mult1-Safe.bpl_svcomp-Reach-32bit-Kojak_Default_PUPT.epf_KojakBplInline.xml/Csv-Benchmark-0-2018-10-01_04-29-28-014.csv Completed graceful shutdown