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/tooDifficultLoopInvariant/Luxembourg-ArraysIntegefied.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-9f4048f [2018-10-04 13:55:22,672 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-04 13:55:22,674 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-04 13:55:22,691 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-04 13:55:22,691 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-04 13:55:22,693 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-04 13:55:22,696 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-04 13:55:22,699 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-04 13:55:22,701 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-04 13:55:22,702 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-04 13:55:22,705 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-04 13:55:22,705 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-04 13:55:22,706 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-04 13:55:22,707 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-04 13:55:22,708 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-04 13:55:22,711 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-04 13:55:22,712 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-04 13:55:22,714 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-04 13:55:22,722 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-04 13:55:22,723 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-04 13:55:22,724 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-04 13:55:22,725 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-04 13:55:22,727 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-04 13:55:22,728 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-04 13:55:22,728 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-04 13:55:22,729 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-04 13:55:22,729 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-04 13:55:22,730 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-04 13:55:22,731 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-04 13:55:22,732 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-04 13:55:22,732 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-04 13:55:22,733 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-04 13:55:22,733 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-04 13:55:22,733 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-04 13:55:22,734 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-04 13:55:22,735 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-04 13:55:22,735 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 [2018-10-04 13:55:22,754 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-04 13:55:22,754 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-04 13:55:22,755 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-04 13:55:22,755 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-04 13:55:22,759 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-04 13:55:22,759 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-04 13:55:22,760 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-04 13:55:22,760 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-04 13:55:22,760 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-04 13:55:22,760 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-04 13:55:22,760 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-04 13:55:22,761 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-04 13:55:22,761 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-04 13:55:22,761 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-04 13:55:22,761 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-04 13:55:22,761 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-04 13:55:22,762 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-04 13:55:22,763 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-04 13:55:22,763 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-04 13:55:22,763 INFO L133 SettingsManager]: * Use predicate trie based predicate unification=true [2018-10-04 13:55:22,763 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-04 13:55:22,763 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-04 13:55:22,764 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-04 13:55:22,764 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-04 13:55:22,764 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-04 13:55:22,764 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-04 13:55:22,765 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-04 13:55:22,765 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-04 13:55:22,765 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-04 13:55:22,765 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-04 13:55:22,820 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-04 13:55:22,834 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-04 13:55:22,841 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-04 13:55:22,843 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-04 13:55:22,843 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-04 13:55:22,844 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/Luxembourg-ArraysIntegefied.bpl [2018-10-04 13:55:22,844 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/Luxembourg-ArraysIntegefied.bpl' [2018-10-04 13:55:22,897 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-04 13:55:22,899 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-04 13:55:22,899 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-04 13:55:22,900 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-04 13:55:22,900 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-04 13:55:22,920 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "Luxembourg-ArraysIntegefied.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:55:22" (1/1) ... [2018-10-04 13:55:22,933 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "Luxembourg-ArraysIntegefied.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:55:22" (1/1) ... [2018-10-04 13:55:22,937 WARN L165 Inliner]: Program contained no entry procedure! [2018-10-04 13:55:22,938 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-10-04 13:55:22,938 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-10-04 13:55:22,940 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-04 13:55:22,941 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-04 13:55:22,941 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-04 13:55:22,941 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-04 13:55:22,951 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "Luxembourg-ArraysIntegefied.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:55:22" (1/1) ... [2018-10-04 13:55:22,952 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "Luxembourg-ArraysIntegefied.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:55:22" (1/1) ... [2018-10-04 13:55:22,952 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "Luxembourg-ArraysIntegefied.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:55:22" (1/1) ... [2018-10-04 13:55:22,953 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "Luxembourg-ArraysIntegefied.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:55:22" (1/1) ... [2018-10-04 13:55:22,955 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "Luxembourg-ArraysIntegefied.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:55:22" (1/1) ... [2018-10-04 13:55:22,960 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "Luxembourg-ArraysIntegefied.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:55:22" (1/1) ... [2018-10-04 13:55:22,961 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "Luxembourg-ArraysIntegefied.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:55:22" (1/1) ... [2018-10-04 13:55:22,962 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-04 13:55:22,963 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-04 13:55:22,963 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-04 13:55:22,963 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-04 13:55:22,964 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "Luxembourg-ArraysIntegefied.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:55:22" (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 13:55:23,030 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2018-10-04 13:55:23,030 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-04 13:55:23,031 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-04 13:55:23,472 INFO L338 CfgBuilder]: Using library mode [2018-10-04 13:55:23,473 INFO L202 PluginConnector]: Adding new model Luxembourg-ArraysIntegefied.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 01:55:23 BoogieIcfgContainer [2018-10-04 13:55:23,473 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-04 13:55:23,474 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-04 13:55:23,474 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-04 13:55:23,485 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-04 13:55:23,486 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "Luxembourg-ArraysIntegefied.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 01:55:23" (1/1) ... [2018-10-04 13:55:23,499 INFO L108 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-10-04 13:55:23,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:55:23,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 6 states and 7 transitions. [2018-10-04 13:55:23,536 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 7 transitions. [2018-10-04 13:55:23,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-10-04 13:55:23,539 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:55:23,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:55:23,667 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 13:55:23,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:55:23,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 7 states and 9 transitions. [2018-10-04 13:55:23,841 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 9 transitions. [2018-10-04 13:55:23,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-10-04 13:55:23,841 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:55:23,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:55:23,963 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:55:24,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:55:24,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 8 states and 14 transitions. [2018-10-04 13:55:24,654 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 14 transitions. [2018-10-04 13:55:24,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-10-04 13:55:24,657 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:55:24,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:55:24,764 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:55:25,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:55:25,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 9 states and 16 transitions. [2018-10-04 13:55:25,193 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 16 transitions. [2018-10-04 13:55:25,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-10-04 13:55:25,193 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:55:25,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:55:25,595 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 13:55:26,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:55:26,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 10 states and 18 transitions. [2018-10-04 13:55:26,279 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 18 transitions. [2018-10-04 13:55:26,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-10-04 13:55:26,280 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:55:26,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:55:26,446 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:55:27,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:55:27,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 11 states and 20 transitions. [2018-10-04 13:55:27,090 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 20 transitions. [2018-10-04 13:55:27,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-04 13:55:27,091 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:55:27,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:55:27,286 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:55:28,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:55:28,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2018-10-04 13:55:28,322 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2018-10-04 13:55:28,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-10-04 13:55:28,323 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:55:28,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:55:28,478 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:55:30,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:55:30,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 13 states and 24 transitions. [2018-10-04 13:55:30,018 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 24 transitions. [2018-10-04 13:55:30,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-04 13:55:30,020 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:55:30,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:55:30,234 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:55:30,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:55:30,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 14 states and 26 transitions. [2018-10-04 13:55:30,863 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 26 transitions. [2018-10-04 13:55:30,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-04 13:55:30,864 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:55:30,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:55:31,065 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:55:31,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:55:31,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 15 states and 28 transitions. [2018-10-04 13:55:31,523 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 28 transitions. [2018-10-04 13:55:31,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-04 13:55:31,524 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:55:31,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:55:31,681 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:55:32,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:55:32,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 16 states and 30 transitions. [2018-10-04 13:55:32,306 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 30 transitions. [2018-10-04 13:55:32,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-04 13:55:32,307 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:55:32,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:55:32,483 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:55:33,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:55:33,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 17 states and 32 transitions. [2018-10-04 13:55:33,140 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 32 transitions. [2018-10-04 13:55:33,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-04 13:55:33,141 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:55:33,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:55:33,327 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:55:33,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:55:33,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 18 states and 34 transitions. [2018-10-04 13:55:33,906 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 34 transitions. [2018-10-04 13:55:33,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-04 13:55:33,907 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:55:33,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:55:34,799 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:55:35,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:55:35,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 19 states and 36 transitions. [2018-10-04 13:55:35,610 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 36 transitions. [2018-10-04 13:55:35,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-04 13:55:35,611 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:55:35,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:55:36,033 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:55:36,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:55:36,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 20 states and 38 transitions. [2018-10-04 13:55:36,931 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 38 transitions. [2018-10-04 13:55:36,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-04 13:55:36,932 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:55:36,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:55:38,394 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:55:39,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:55:39,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 21 states and 40 transitions. [2018-10-04 13:55:39,238 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 40 transitions. [2018-10-04 13:55:39,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-04 13:55:39,241 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:55:39,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:55:39,536 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:55:40,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:55:40,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 22 states and 42 transitions. [2018-10-04 13:55:40,432 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 42 transitions. [2018-10-04 13:55:40,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-10-04 13:55:40,433 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:55:40,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:55:40,662 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:55:41,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:55:41,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 23 states and 44 transitions. [2018-10-04 13:55:41,490 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 44 transitions. [2018-10-04 13:55:41,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-04 13:55:41,491 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:55:41,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:55:41,925 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:55:43,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:55:43,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 24 states and 46 transitions. [2018-10-04 13:55:43,045 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 46 transitions. [2018-10-04 13:55:43,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-04 13:55:43,045 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:55:43,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:55:43,336 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:55:44,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:55:44,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 25 states and 48 transitions. [2018-10-04 13:55:44,308 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 48 transitions. [2018-10-04 13:55:44,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-10-04 13:55:44,309 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:55:44,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:55:44,608 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:55:45,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:55:45,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 26 states and 50 transitions. [2018-10-04 13:55:45,834 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 50 transitions. [2018-10-04 13:55:45,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-10-04 13:55:45,835 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:55:45,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:55:46,747 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 13:55:48,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:55:48,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 27 states and 52 transitions. [2018-10-04 13:55:48,865 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 52 transitions. [2018-10-04 13:55:48,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-10-04 13:55:48,866 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:55:48,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:55:49,167 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:55:50,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:55:50,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 28 states and 54 transitions. [2018-10-04 13:55:50,476 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 54 transitions. [2018-10-04 13:55:50,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-10-04 13:55:50,477 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:55:50,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:55:50,859 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:55:53,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:55:53,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 29 states and 56 transitions. [2018-10-04 13:55:53,125 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 56 transitions. [2018-10-04 13:55:53,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-10-04 13:55:53,126 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:55:53,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:55:53,996 INFO L252 BPredicateUnifier]: --------PredicateTrie is restructured: old depths: 28 new depth: 26 [2018-10-04 13:55:54,105 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:55:55,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:55:55,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 30 states and 58 transitions. [2018-10-04 13:55:55,760 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 58 transitions. [2018-10-04 13:55:55,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-10-04 13:55:55,761 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:55:55,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:55:56,510 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:55:57,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:55:57,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 31 states and 60 transitions. [2018-10-04 13:55:57,958 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 60 transitions. [2018-10-04 13:55:57,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-10-04 13:55:57,959 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:55:57,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:55:58,417 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:56:00,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:56:00,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 32 states and 62 transitions. [2018-10-04 13:56:00,045 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 62 transitions. [2018-10-04 13:56:00,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-10-04 13:56:00,046 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:56:00,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:56:00,490 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:56:02,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:56:02,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 33 states and 64 transitions. [2018-10-04 13:56:02,110 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 64 transitions. [2018-10-04 13:56:02,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-10-04 13:56:02,110 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:56:02,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:56:03,680 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:56:05,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:56:05,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 34 states and 66 transitions. [2018-10-04 13:56:05,987 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 66 transitions. [2018-10-04 13:56:05,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-10-04 13:56:05,988 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:56:06,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:56:06,465 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 0 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:56:08,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:56:08,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 35 states and 68 transitions. [2018-10-04 13:56:08,441 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 68 transitions. [2018-10-04 13:56:08,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-10-04 13:56:08,441 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:56:08,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:56:09,122 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:56:11,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:56:11,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 36 states and 70 transitions. [2018-10-04 13:56:11,208 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 70 transitions. [2018-10-04 13:56:11,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-10-04 13:56:11,208 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:56:11,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:56:11,721 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:56:14,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:56:14,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 37 states and 72 transitions. [2018-10-04 13:56:14,045 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 72 transitions. [2018-10-04 13:56:14,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-10-04 13:56:14,046 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:56:14,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:56:14,569 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 0 proven. 496 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:56:17,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:56:17,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 38 states and 74 transitions. [2018-10-04 13:56:17,013 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 74 transitions. [2018-10-04 13:56:17,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-10-04 13:56:17,014 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:56:17,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:56:17,558 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 0 proven. 528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:56:20,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:56:20,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 39 states and 76 transitions. [2018-10-04 13:56:20,171 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 76 transitions. [2018-10-04 13:56:20,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-10-04 13:56:20,172 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:56:20,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:56:20,767 INFO L134 CoverageAnalysis]: Checked inductivity of 561 backedges. 0 proven. 561 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:56:23,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:56:23,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 40 states and 78 transitions. [2018-10-04 13:56:23,026 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 78 transitions. [2018-10-04 13:56:23,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-10-04 13:56:23,027 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:56:23,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:56:23,580 INFO L134 CoverageAnalysis]: Checked inductivity of 595 backedges. 0 proven. 595 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:56:26,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:56:26,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 41 states and 80 transitions. [2018-10-04 13:56:26,146 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 80 transitions. [2018-10-04 13:56:26,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-10-04 13:56:26,147 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:56:26,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:56:26,739 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 630 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:56:29,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:56:29,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 42 states and 82 transitions. [2018-10-04 13:56:29,466 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 82 transitions. [2018-10-04 13:56:29,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-10-04 13:56:29,467 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:56:29,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:56:30,270 INFO L134 CoverageAnalysis]: Checked inductivity of 666 backedges. 0 proven. 666 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:56:32,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:56:32,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 43 states and 84 transitions. [2018-10-04 13:56:32,968 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 84 transitions. [2018-10-04 13:56:32,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-10-04 13:56:32,969 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:56:32,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:56:33,503 INFO L134 CoverageAnalysis]: Checked inductivity of 703 backedges. 0 proven. 703 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:56:36,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:56:36,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 44 states and 86 transitions. [2018-10-04 13:56:36,386 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 86 transitions. [2018-10-04 13:56:36,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-10-04 13:56:36,387 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:56:36,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:56:36,925 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:56:40,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:56:40,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 45 states and 88 transitions. [2018-10-04 13:56:40,161 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 88 transitions. [2018-10-04 13:56:40,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-10-04 13:56:40,161 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:56:40,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:56:40,819 INFO L134 CoverageAnalysis]: Checked inductivity of 780 backedges. 0 proven. 780 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:56:43,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:56:43,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 46 states and 90 transitions. [2018-10-04 13:56:43,987 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 90 transitions. [2018-10-04 13:56:43,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-10-04 13:56:43,987 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:56:44,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:56:44,582 INFO L134 CoverageAnalysis]: Checked inductivity of 820 backedges. 0 proven. 820 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:56:47,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:56:47,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 47 states and 92 transitions. [2018-10-04 13:56:47,946 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 92 transitions. [2018-10-04 13:56:47,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-10-04 13:56:47,946 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:56:47,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:56:48,710 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 0 proven. 861 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:56:52,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:56:52,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 48 states and 94 transitions. [2018-10-04 13:56:52,227 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 94 transitions. [2018-10-04 13:56:52,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-10-04 13:56:52,228 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:56:52,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:56:53,059 INFO L134 CoverageAnalysis]: Checked inductivity of 903 backedges. 0 proven. 903 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:56:56,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:56:56,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 49 states and 96 transitions. [2018-10-04 13:56:56,758 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 96 transitions. [2018-10-04 13:56:56,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-10-04 13:56:56,758 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:56:56,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:56:57,453 INFO L134 CoverageAnalysis]: Checked inductivity of 946 backedges. 0 proven. 946 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:57:01,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:57:01,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 50 states and 98 transitions. [2018-10-04 13:57:01,339 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 98 transitions. [2018-10-04 13:57:01,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-10-04 13:57:01,339 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:57:01,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:57:02,193 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 990 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:57:06,383 INFO L252 BPredicateUnifier]: --------PredicateTrie is restructured: old depths: 48 new depth: 48 [2018-10-04 13:57:07,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:57:07,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 51 states and 100 transitions. [2018-10-04 13:57:07,407 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 100 transitions. [2018-10-04 13:57:07,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-10-04 13:57:07,407 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:57:07,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:57:08,278 INFO L134 CoverageAnalysis]: Checked inductivity of 1035 backedges. 0 proven. 1035 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:57:12,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:57:12,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 52 states and 102 transitions. [2018-10-04 13:57:12,389 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 102 transitions. [2018-10-04 13:57:12,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-10-04 13:57:12,390 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:57:12,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:57:13,121 INFO L134 CoverageAnalysis]: Checked inductivity of 1081 backedges. 0 proven. 1081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:57:17,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:57:17,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 53 states and 104 transitions. [2018-10-04 13:57:17,369 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 104 transitions. [2018-10-04 13:57:17,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-10-04 13:57:17,369 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:57:17,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:57:18,325 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 1128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:57:22,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:57:22,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 54 states and 106 transitions. [2018-10-04 13:57:22,665 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 106 transitions. [2018-10-04 13:57:22,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-10-04 13:57:22,665 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:57:22,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:57:23,389 INFO L134 CoverageAnalysis]: Checked inductivity of 1176 backedges. 0 proven. 1176 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:57:28,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:57:28,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 55 states and 108 transitions. [2018-10-04 13:57:28,054 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 108 transitions. [2018-10-04 13:57:28,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-10-04 13:57:28,054 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:57:28,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:57:29,114 INFO L134 CoverageAnalysis]: Checked inductivity of 1225 backedges. 0 proven. 1225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:57:33,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:57:33,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 56 states and 110 transitions. [2018-10-04 13:57:33,960 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 110 transitions. [2018-10-04 13:57:33,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-10-04 13:57:33,961 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:57:33,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:57:34,755 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 1275 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:57:39,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:57:39,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 57 states and 112 transitions. [2018-10-04 13:57:39,758 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 112 transitions. [2018-10-04 13:57:39,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-10-04 13:57:39,759 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:57:39,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:57:41,063 INFO L134 CoverageAnalysis]: Checked inductivity of 1326 backedges. 0 proven. 1326 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:57:46,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:57:46,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 58 states and 114 transitions. [2018-10-04 13:57:46,509 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 114 transitions. [2018-10-04 13:57:46,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-10-04 13:57:46,510 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:57:46,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:57:47,448 INFO L134 CoverageAnalysis]: Checked inductivity of 1378 backedges. 0 proven. 1378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:57:52,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:57:52,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 59 states and 116 transitions. [2018-10-04 13:57:52,923 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 116 transitions. [2018-10-04 13:57:52,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-10-04 13:57:52,923 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:57:52,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:57:53,767 INFO L134 CoverageAnalysis]: Checked inductivity of 1431 backedges. 0 proven. 1431 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:57:59,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:57:59,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 60 states and 118 transitions. [2018-10-04 13:57:59,311 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 118 transitions. [2018-10-04 13:57:59,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-10-04 13:57:59,311 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:57:59,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:58:00,478 INFO L134 CoverageAnalysis]: Checked inductivity of 1485 backedges. 0 proven. 1485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:58:06,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:58:06,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 61 states and 120 transitions. [2018-10-04 13:58:06,170 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 120 transitions. [2018-10-04 13:58:06,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-10-04 13:58:06,170 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:58:06,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:58:07,084 INFO L134 CoverageAnalysis]: Checked inductivity of 1540 backedges. 0 proven. 1540 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:58:12,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:58:12,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 62 states and 122 transitions. [2018-10-04 13:58:12,971 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 122 transitions. [2018-10-04 13:58:12,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-10-04 13:58:12,972 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:58:13,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:58:13,853 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 1596 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:58:19,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:58:19,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 63 states and 124 transitions. [2018-10-04 13:58:19,850 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 124 transitions. [2018-10-04 13:58:19,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-10-04 13:58:19,850 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:58:19,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:58:21,090 INFO L134 CoverageAnalysis]: Checked inductivity of 1653 backedges. 0 proven. 1653 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:58:27,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:58:27,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 64 states and 126 transitions. [2018-10-04 13:58:27,376 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 126 transitions. [2018-10-04 13:58:27,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-10-04 13:58:27,377 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:58:27,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:58:28,317 INFO L134 CoverageAnalysis]: Checked inductivity of 1711 backedges. 0 proven. 1711 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:58:34,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:58:34,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 65 states and 128 transitions. [2018-10-04 13:58:34,921 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 128 transitions. [2018-10-04 13:58:34,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-10-04 13:58:34,921 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:58:34,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:58:37,068 INFO L134 CoverageAnalysis]: Checked inductivity of 1770 backedges. 0 proven. 1770 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:58:43,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:58:43,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 66 states and 130 transitions. [2018-10-04 13:58:43,940 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 130 transitions. [2018-10-04 13:58:43,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-10-04 13:58:43,941 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:58:43,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:58:44,997 INFO L134 CoverageAnalysis]: Checked inductivity of 1830 backedges. 0 proven. 1830 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:58:52,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:58:52,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 67 states and 132 transitions. [2018-10-04 13:58:52,121 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 132 transitions. [2018-10-04 13:58:52,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-10-04 13:58:52,121 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:58:52,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:58:53,204 INFO L134 CoverageAnalysis]: Checked inductivity of 1891 backedges. 0 proven. 1891 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:59:00,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:59:00,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 68 states and 134 transitions. [2018-10-04 13:59:00,639 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 134 transitions. [2018-10-04 13:59:00,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-10-04 13:59:00,639 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:59:00,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:59:01,736 INFO L134 CoverageAnalysis]: Checked inductivity of 1953 backedges. 0 proven. 1953 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:59:11,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:59:11,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 69 states and 136 transitions. [2018-10-04 13:59:11,777 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 136 transitions. [2018-10-04 13:59:11,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-10-04 13:59:11,778 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:59:11,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:59:12,930 INFO L134 CoverageAnalysis]: Checked inductivity of 2016 backedges. 0 proven. 2016 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:59:21,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:59:21,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 70 states and 138 transitions. [2018-10-04 13:59:21,051 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 138 transitions. [2018-10-04 13:59:21,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-10-04 13:59:21,052 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:59:21,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:59:22,224 INFO L134 CoverageAnalysis]: Checked inductivity of 2080 backedges. 0 proven. 2080 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:59:29,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:59:29,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 71 states and 140 transitions. [2018-10-04 13:59:29,978 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 140 transitions. [2018-10-04 13:59:29,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-10-04 13:59:29,979 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:59:30,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:59:31,076 INFO L134 CoverageAnalysis]: Checked inductivity of 2145 backedges. 0 proven. 2145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:59:38,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:59:38,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 72 states and 142 transitions. [2018-10-04 13:59:38,798 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 142 transitions. [2018-10-04 13:59:38,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-10-04 13:59:38,799 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:59:38,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:59:39,921 INFO L134 CoverageAnalysis]: Checked inductivity of 2211 backedges. 0 proven. 2211 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. Received shutdown request... [2018-10-04 13:59:48,017 INFO L202 PluginConnector]: Adding new model Luxembourg-ArraysIntegefied.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 04.10 01:59:48 ImpRootNode [2018-10-04 13:59:48,018 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-04 13:59:48,019 INFO L168 Benchmark]: Toolchain (without parser) took 265121.19 ms. Allocated memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: -262.7 MB). Free memory was 1.5 GB in the beginning and 935.0 MB in the end (delta: 540.6 MB). Peak memory consumption was 277.9 MB. Max. memory is 7.1 GB. [2018-10-04 13:59:48,021 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.18 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 13:59:48,021 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.05 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. [2018-10-04 13:59:48,022 INFO L168 Benchmark]: Boogie Preprocessor took 21.49 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 13:59:48,022 INFO L168 Benchmark]: RCFGBuilder took 510.40 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 13:59:48,023 INFO L168 Benchmark]: CodeCheck took 264544.00 ms. Allocated memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: -262.7 MB). Free memory was 1.5 GB in the beginning and 935.0 MB in the end (delta: 519.4 MB). Peak memory consumption was 256.8 MB. Max. memory is 7.1 GB. [2018-10-04 13:59:48,027 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - TimeoutResultAtElement [Line: 41]: Timeout (CodeCheck) Unable to prove that assertion always holds (line 41) - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 12 locations, 1 error locations. UNKNOWN Result, 264.5s OverallTime, 67 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 0 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, -16 SolverSat, -12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 138.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 20140 GetRequests, 19544 SyntacticMatches, 66 SemanticMatches, 530 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 253.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 44.5s InterpolantComputationTime, 2412 NumberOfCodeBlocks, 2412 NumberOfCodeBlocksAsserted, 67 NumberOfCheckSat, 2345 ConstructedInterpolants, 0 QuantifiedInterpolants, 1657850 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 67 InterpolantComputations, 1 PerfectInterpolantSequences, 0/50116 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - GenericResult: Unable to decide if program is safe! Unable to decide if program is safe! * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.18 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 41.05 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. * Boogie Preprocessor took 21.49 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 510.40 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 264544.00 ms. Allocated memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: -262.7 MB). Free memory was 1.5 GB in the beginning and 935.0 MB in the end (delta: 519.4 MB). Peak memory consumption was 256.8 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: Timeout Cannot interrupt operation gracefully because timeout expired. Forcing shutdown