java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data --generate-csv --csv-dir csv -tc ../../../trunk/examples/toolchains/KojakBplInline.xml -s ../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Kojak_Default.epf -i ../../../trunk/examples/programs/real-life/threadpooling_product.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-133090d [2018-10-04 10:01:32,647 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-04 10:01:32,649 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-04 10:01:32,661 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-04 10:01:32,662 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-04 10:01:32,663 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-04 10:01:32,664 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-04 10:01:32,666 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-04 10:01:32,668 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-04 10:01:32,668 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-04 10:01:32,669 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-04 10:01:32,670 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-04 10:01:32,671 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-04 10:01:32,671 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-04 10:01:32,673 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-04 10:01:32,673 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-04 10:01:32,674 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-04 10:01:32,676 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-04 10:01:32,678 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-04 10:01:32,680 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-04 10:01:32,681 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-04 10:01:32,683 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-04 10:01:32,685 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-04 10:01:32,685 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-04 10:01:32,686 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-04 10:01:32,687 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-04 10:01:32,688 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-04 10:01:32,689 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-04 10:01:32,690 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-04 10:01:32,691 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-04 10:01:32,691 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-04 10:01:32,692 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-04 10:01:32,692 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-04 10:01:32,692 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-04 10:01:32,693 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-04 10:01:32,694 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-04 10:01:32,694 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Kojak_Default.epf [2018-10-04 10:01:32,710 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-04 10:01:32,711 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-04 10:01:32,711 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-04 10:01:32,712 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-04 10:01:32,712 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-04 10:01:32,712 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-04 10:01:32,713 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-04 10:01:32,713 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-04 10:01:32,713 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-04 10:01:32,713 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-04 10:01:32,713 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-04 10:01:32,714 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-04 10:01:32,714 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-04 10:01:32,714 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-04 10:01:32,714 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-04 10:01:32,715 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-04 10:01:32,715 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-04 10:01:32,715 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-04 10:01:32,715 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-04 10:01:32,715 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-04 10:01:32,715 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-04 10:01:32,716 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-04 10:01:32,716 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-04 10:01:32,716 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-04 10:01:32,716 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-04 10:01:32,716 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-04 10:01:32,717 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-04 10:01:32,717 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-04 10:01:32,717 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-04 10:01:32,760 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-04 10:01:32,773 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-04 10:01:32,777 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-04 10:01:32,779 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-04 10:01:32,779 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-04 10:01:32,780 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/threadpooling_product.bpl [2018-10-04 10:01:32,780 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/threadpooling_product.bpl' [2018-10-04 10:01:32,833 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-04 10:01:32,835 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-04 10:01:32,836 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-04 10:01:32,836 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-04 10:01:32,836 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-04 10:01:32,859 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "threadpooling_product.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 10:01:32" (1/1) ... [2018-10-04 10:01:32,872 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "threadpooling_product.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 10:01:32" (1/1) ... [2018-10-04 10:01:32,877 WARN L165 Inliner]: Program contained no entry procedure! [2018-10-04 10:01:32,877 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-10-04 10:01:32,878 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-10-04 10:01:32,880 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-04 10:01:32,881 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-04 10:01:32,881 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-04 10:01:32,881 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-04 10:01:32,892 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "threadpooling_product.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 10:01:32" (1/1) ... [2018-10-04 10:01:32,893 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "threadpooling_product.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 10:01:32" (1/1) ... [2018-10-04 10:01:32,893 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "threadpooling_product.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 10:01:32" (1/1) ... [2018-10-04 10:01:32,894 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "threadpooling_product.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 10:01:32" (1/1) ... [2018-10-04 10:01:32,897 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "threadpooling_product.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 10:01:32" (1/1) ... [2018-10-04 10:01:32,900 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "threadpooling_product.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 10:01:32" (1/1) ... [2018-10-04 10:01:32,901 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "threadpooling_product.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 10:01:32" (1/1) ... [2018-10-04 10:01:32,903 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-04 10:01:32,904 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-04 10:01:32,904 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-04 10:01:32,904 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-04 10:01:32,906 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "threadpooling_product.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 10:01:32" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-04 10:01:32,981 INFO L124 BoogieDeclarations]: Specification and implementation of procedure product given in one single declaration [2018-10-04 10:01:32,981 INFO L130 BoogieDeclarations]: Found specification of procedure product [2018-10-04 10:01:32,981 INFO L138 BoogieDeclarations]: Found implementation of procedure product [2018-10-04 10:01:33,408 INFO L338 CfgBuilder]: Using library mode [2018-10-04 10:01:33,409 INFO L202 PluginConnector]: Adding new model threadpooling_product.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 10:01:33 BoogieIcfgContainer [2018-10-04 10:01:33,409 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-04 10:01:33,410 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-04 10:01:33,410 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-04 10:01:33,422 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-04 10:01:33,422 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "threadpooling_product.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 10:01:33" (1/1) ... [2018-10-04 10:01:33,440 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-04 10:01:33,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:01:33,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 21 states and 33 transitions. [2018-10-04 10:01:33,478 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 33 transitions. [2018-10-04 10:01:33,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-10-04 10:01:33,482 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:01:33,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:01:33,678 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:01:33,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:01:33,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 25 states and 48 transitions. [2018-10-04 10:01:33,920 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 48 transitions. [2018-10-04 10:01:33,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-10-04 10:01:33,924 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:01:33,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:01:34,235 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:01:34,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:01:34,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 29 states and 66 transitions. [2018-10-04 10:01:34,664 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 66 transitions. [2018-10-04 10:01:34,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-10-04 10:01:34,665 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:01:34,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:01:35,161 WARN L178 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 13 DAG size of output: 7 [2018-10-04 10:01:35,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:01:36,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:01:36,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 35 states and 97 transitions. [2018-10-04 10:01:36,237 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 97 transitions. [2018-10-04 10:01:36,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-10-04 10:01:36,239 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:01:36,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:01:36,261 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:01:36,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:01:36,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 38 states and 105 transitions. [2018-10-04 10:01:36,500 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 105 transitions. [2018-10-04 10:01:36,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-10-04 10:01:36,501 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:01:36,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:01:36,749 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:01:37,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:01:37,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 44 states and 141 transitions. [2018-10-04 10:01:37,626 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 141 transitions. [2018-10-04 10:01:37,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-10-04 10:01:37,627 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:01:37,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:01:37,649 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 10:01:38,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:01:38,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 48 states and 165 transitions. [2018-10-04 10:01:38,280 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 165 transitions. [2018-10-04 10:01:38,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-10-04 10:01:38,282 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:01:38,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:01:38,309 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 10:01:38,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:01:38,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 49 states and 176 transitions. [2018-10-04 10:01:38,518 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 176 transitions. [2018-10-04 10:01:38,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-10-04 10:01:38,521 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:01:38,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:01:38,641 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 10:01:38,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:01:38,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 50 states and 188 transitions. [2018-10-04 10:01:38,924 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 188 transitions. [2018-10-04 10:01:38,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-10-04 10:01:38,926 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:01:38,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:01:39,070 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:01:39,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:01:39,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 51 states and 191 transitions. [2018-10-04 10:01:39,517 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 191 transitions. [2018-10-04 10:01:39,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-10-04 10:01:39,518 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:01:39,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:01:39,613 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:01:40,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:01:40,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 55 states and 211 transitions. [2018-10-04 10:01:40,020 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 211 transitions. [2018-10-04 10:01:40,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-10-04 10:01:40,022 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:01:40,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:01:40,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:01:40,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:01:40,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 56 states and 213 transitions. [2018-10-04 10:01:40,274 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 213 transitions. [2018-10-04 10:01:40,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-04 10:01:40,275 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:01:40,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:01:40,392 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:01:41,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:01:41,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 57 states and 224 transitions. [2018-10-04 10:01:41,052 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 224 transitions. [2018-10-04 10:01:41,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-04 10:01:41,053 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:01:41,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:01:41,335 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:01:41,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:01:41,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 58 states and 235 transitions. [2018-10-04 10:01:41,688 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 235 transitions. [2018-10-04 10:01:41,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-10-04 10:01:41,690 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:01:41,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:01:41,915 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:01:42,541 WARN L178 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 19 [2018-10-04 10:01:44,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:01:44,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 61 states and 254 transitions. [2018-10-04 10:01:44,946 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 254 transitions. [2018-10-04 10:01:44,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-10-04 10:01:44,947 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:01:44,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:01:45,106 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-04 10:01:46,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:01:46,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 63 states and 268 transitions. [2018-10-04 10:01:46,065 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 268 transitions. [2018-10-04 10:01:46,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-10-04 10:01:46,066 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:01:46,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:01:46,244 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-04 10:01:46,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:01:46,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 64 states and 270 transitions. [2018-10-04 10:01:46,647 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 270 transitions. [2018-10-04 10:01:46,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-10-04 10:01:46,648 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:01:46,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:01:46,677 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-04 10:01:46,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:01:46,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 65 states and 271 transitions. [2018-10-04 10:01:46,999 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 271 transitions. [2018-10-04 10:01:47,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-10-04 10:01:47,000 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:01:47,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:01:47,118 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:01:48,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:01:48,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 67 states and 279 transitions. [2018-10-04 10:01:48,260 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 279 transitions. [2018-10-04 10:01:48,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-04 10:01:48,261 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:01:48,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:01:48,610 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 10:01:50,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:01:50,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 70 states and 302 transitions. [2018-10-04 10:01:50,175 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 302 transitions. [2018-10-04 10:01:50,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-04 10:01:50,176 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:01:50,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:01:50,303 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:01:51,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:01:51,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 73 states and 320 transitions. [2018-10-04 10:01:51,817 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 320 transitions. [2018-10-04 10:01:51,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-04 10:01:51,818 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:01:51,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:01:51,870 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:01:52,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:01:52,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 75 states and 325 transitions. [2018-10-04 10:01:52,516 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 325 transitions. [2018-10-04 10:01:52,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-04 10:01:52,517 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:01:52,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:01:52,781 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 10:01:54,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:01:54,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 79 states and 342 transitions. [2018-10-04 10:01:54,102 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 342 transitions. [2018-10-04 10:01:54,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-04 10:01:54,103 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:01:54,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:01:54,539 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:01:57,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:01:57,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 85 states and 371 transitions. [2018-10-04 10:01:57,623 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 371 transitions. [2018-10-04 10:01:57,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-04 10:01:57,624 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:01:57,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:01:58,067 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 10:02:00,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:02:00,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 89 states and 396 transitions. [2018-10-04 10:02:00,002 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 396 transitions. [2018-10-04 10:02:00,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-04 10:02:00,004 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:02:00,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:02:00,013 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:02:01,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:02:01,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 90 states and 404 transitions. [2018-10-04 10:02:01,159 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 404 transitions. [2018-10-04 10:02:01,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-04 10:02:01,160 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:02:01,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:02:01,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:02:02,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:02:02,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 92 states and 413 transitions. [2018-10-04 10:02:02,492 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 413 transitions. [2018-10-04 10:02:02,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-04 10:02:02,493 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:02:02,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:02:02,930 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 10:02:05,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:02:05,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 96 states and 434 transitions. [2018-10-04 10:02:05,588 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 434 transitions. [2018-10-04 10:02:05,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-04 10:02:05,589 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:02:05,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:02:06,191 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 10:02:09,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:02:09,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 101 states and 471 transitions. [2018-10-04 10:02:09,915 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 471 transitions. [2018-10-04 10:02:09,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-04 10:02:09,916 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:02:09,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:02:09,926 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:02:12,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:02:12,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 104 states and 493 transitions. [2018-10-04 10:02:12,103 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 493 transitions. [2018-10-04 10:02:12,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-04 10:02:12,104 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:02:12,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:02:12,113 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:02:13,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:02:13,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 107 states and 505 transitions. [2018-10-04 10:02:13,547 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 505 transitions. [2018-10-04 10:02:13,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-04 10:02:13,547 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:02:13,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:02:14,256 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:02:16,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:02:16,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 110 states and 521 transitions. [2018-10-04 10:02:16,563 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 521 transitions. [2018-10-04 10:02:16,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-04 10:02:16,564 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:02:16,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:02:16,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:02:17,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:02:17,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 111 states and 523 transitions. [2018-10-04 10:02:17,253 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 523 transitions. [2018-10-04 10:02:17,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-04 10:02:17,254 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:02:17,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:02:17,324 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 10:02:18,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:02:18,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 113 states and 528 transitions. [2018-10-04 10:02:18,312 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 528 transitions. [2018-10-04 10:02:18,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-04 10:02:18,312 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:02:18,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:02:19,131 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 10:02:19,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:02:19,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 114 states and 533 transitions. [2018-10-04 10:02:19,673 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 533 transitions. [2018-10-04 10:02:19,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-04 10:02:19,674 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:02:19,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:02:20,480 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:02:25,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:02:25,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 120 states and 563 transitions. [2018-10-04 10:02:25,060 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 563 transitions. [2018-10-04 10:02:25,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-04 10:02:25,061 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:02:25,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:02:25,529 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 10:02:27,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:02:27,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 122 states and 579 transitions. [2018-10-04 10:02:27,567 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 579 transitions. [2018-10-04 10:02:27,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-04 10:02:27,568 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:02:27,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:02:27,578 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:02:29,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:02:29,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 124 states and 591 transitions. [2018-10-04 10:02:29,113 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 591 transitions. [2018-10-04 10:02:29,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-04 10:02:29,114 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:02:29,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:02:29,211 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:02:30,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:02:30,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 126 states and 596 transitions. [2018-10-04 10:02:30,387 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 596 transitions. [2018-10-04 10:02:30,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-04 10:02:30,387 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:02:30,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:02:30,397 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-10-04 10:02:34,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:02:34,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 633 states to 130 states and 633 transitions. [2018-10-04 10:02:34,181 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 633 transitions. [2018-10-04 10:02:34,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-04 10:02:34,181 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:02:34,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:02:35,014 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:02:39,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:02:39,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 661 states to 133 states and 661 transitions. [2018-10-04 10:02:39,038 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 661 transitions. [2018-10-04 10:02:39,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-04 10:02:39,039 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:02:39,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:02:39,877 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:02:42,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:02:42,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 676 states to 136 states and 676 transitions. [2018-10-04 10:02:42,880 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 676 transitions. [2018-10-04 10:02:42,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-04 10:02:42,882 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:02:42,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:02:43,786 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:02:45,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:02:45,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 681 states to 137 states and 681 transitions. [2018-10-04 10:02:45,990 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 681 transitions. [2018-10-04 10:02:45,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-04 10:02:45,991 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:02:45,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:02:46,058 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:02:47,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:02:47,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 704 states to 139 states and 704 transitions. [2018-10-04 10:02:47,700 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 704 transitions. [2018-10-04 10:02:47,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-04 10:02:47,701 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:02:47,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:02:48,156 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-10-04 10:02:49,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:02:49,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 705 states to 140 states and 705 transitions. [2018-10-04 10:02:49,990 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 705 transitions. [2018-10-04 10:02:49,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-04 10:02:49,991 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:02:49,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:02:50,038 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 10:02:50,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:02:50,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 705 states to 141 states and 705 transitions. [2018-10-04 10:02:50,056 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 705 transitions. [2018-10-04 10:02:50,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-04 10:02:50,057 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:02:50,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:02:50,456 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:02:52,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:02:52,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 743 states to 144 states and 743 transitions. [2018-10-04 10:02:52,602 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 743 transitions. [2018-10-04 10:02:52,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-04 10:02:52,603 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:02:52,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:02:53,291 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:02:54,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:02:54,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 769 states to 146 states and 769 transitions. [2018-10-04 10:02:54,829 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 769 transitions. [2018-10-04 10:02:54,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-04 10:02:54,829 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:02:54,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:02:54,838 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-10-04 10:02:55,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:02:55,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 772 states to 147 states and 772 transitions. [2018-10-04 10:02:55,689 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 772 transitions. [2018-10-04 10:02:55,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-04 10:02:55,689 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:02:55,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:02:56,035 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:02:58,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:02:58,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 786 states to 150 states and 786 transitions. [2018-10-04 10:02:58,289 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 786 transitions. [2018-10-04 10:02:58,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-04 10:02:58,290 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:02:58,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:02:58,299 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 10:02:58,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:02:58,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 786 states to 151 states and 786 transitions. [2018-10-04 10:02:58,979 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 786 transitions. [2018-10-04 10:02:58,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-04 10:02:58,980 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:02:58,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:02:59,818 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:03:02,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:03:02,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 804 states to 154 states and 804 transitions. [2018-10-04 10:03:02,584 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 804 transitions. [2018-10-04 10:03:02,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-04 10:03:02,584 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:03:02,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:03:02,593 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 10:03:03,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:03:03,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 804 states to 155 states and 804 transitions. [2018-10-04 10:03:03,327 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 804 transitions. [2018-10-04 10:03:03,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-04 10:03:03,328 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:03:03,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:03:03,362 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:03:04,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:03:04,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 813 states to 156 states and 813 transitions. [2018-10-04 10:03:04,025 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 813 transitions. [2018-10-04 10:03:04,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-04 10:03:04,025 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:03:04,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:03:04,649 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:03:08,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:03:08,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 844 states to 160 states and 844 transitions. [2018-10-04 10:03:08,746 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 844 transitions. [2018-10-04 10:03:08,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-04 10:03:08,747 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:03:08,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:03:10,087 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:03:14,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:03:14,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 865 states to 163 states and 865 transitions. [2018-10-04 10:03:14,708 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 865 transitions. [2018-10-04 10:03:14,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-04 10:03:14,709 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:03:14,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:03:15,339 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:03:19,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:03:19,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 882 states to 166 states and 882 transitions. [2018-10-04 10:03:19,271 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 882 transitions. [2018-10-04 10:03:19,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-04 10:03:19,271 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:03:19,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:03:19,280 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:03:21,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:03:21,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 891 states to 168 states and 891 transitions. [2018-10-04 10:03:21,130 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 891 transitions. [2018-10-04 10:03:21,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-04 10:03:21,131 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:03:21,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:03:22,149 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:03:27,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:03:27,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 916 states to 171 states and 916 transitions. [2018-10-04 10:03:27,178 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 916 transitions. [2018-10-04 10:03:27,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-04 10:03:27,179 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:03:27,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:03:27,534 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:03:30,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:03:30,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 926 states to 173 states and 926 transitions. [2018-10-04 10:03:30,028 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 926 transitions. [2018-10-04 10:03:30,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-04 10:03:30,028 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:03:30,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:03:30,790 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:03:35,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:03:35,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 962 states to 177 states and 962 transitions. [2018-10-04 10:03:35,568 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 962 transitions. [2018-10-04 10:03:35,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-04 10:03:35,569 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:03:35,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:03:35,576 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-10-04 10:03:37,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:03:37,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 966 states to 179 states and 966 transitions. [2018-10-04 10:03:37,611 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 966 transitions. [2018-10-04 10:03:37,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-04 10:03:37,611 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:03:37,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:03:37,618 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-10-04 10:03:39,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:03:39,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 975 states to 180 states and 975 transitions. [2018-10-04 10:03:39,857 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 975 transitions. [2018-10-04 10:03:39,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-04 10:03:39,858 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:03:39,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:03:39,864 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-10-04 10:03:40,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:03:40,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 975 states to 181 states and 975 transitions. [2018-10-04 10:03:40,995 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 975 transitions. [2018-10-04 10:03:40,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-04 10:03:40,996 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:03:40,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:03:41,590 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:03:44,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:03:44,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 978 states to 183 states and 978 transitions. [2018-10-04 10:03:44,316 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 978 transitions. [2018-10-04 10:03:44,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-04 10:03:44,317 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:03:44,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:03:44,660 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:03:47,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:03:47,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 977 states to 183 states and 977 transitions. [2018-10-04 10:03:47,059 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 977 transitions. [2018-10-04 10:03:47,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-04 10:03:47,060 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:03:47,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:03:47,068 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:03:49,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:03:49,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 976 states to 183 states and 976 transitions. [2018-10-04 10:03:49,373 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 976 transitions. [2018-10-04 10:03:49,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-04 10:03:49,374 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:03:49,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:03:50,000 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:03:51,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:03:51,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 987 states to 184 states and 987 transitions. [2018-10-04 10:03:51,662 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 987 transitions. [2018-10-04 10:03:51,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-04 10:03:51,663 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:03:51,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:03:52,002 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:03:57,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:03:57,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1016 states to 189 states and 1016 transitions. [2018-10-04 10:03:57,156 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 1016 transitions. [2018-10-04 10:03:57,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-04 10:03:57,157 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:03:57,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:03:57,772 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:04:01,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:04:01,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1025 states to 190 states and 1025 transitions. [2018-10-04 10:04:01,587 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 1025 transitions. [2018-10-04 10:04:01,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-04 10:04:01,587 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:04:01,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:04:01,595 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 10:04:04,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:04:04,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1042 states to 192 states and 1042 transitions. [2018-10-04 10:04:04,877 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 1042 transitions. [2018-10-04 10:04:04,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-04 10:04:04,878 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:04:04,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:04:04,947 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:04:08,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:04:08,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1074 states to 195 states and 1074 transitions. [2018-10-04 10:04:08,197 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 1074 transitions. [2018-10-04 10:04:08,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-04 10:04:08,198 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:04:08,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:04:08,205 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 10:04:09,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:04:09,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 196 states and 1083 transitions. [2018-10-04 10:04:09,580 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 1083 transitions. [2018-10-04 10:04:09,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-04 10:04:09,581 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:04:09,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:04:09,676 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:04:11,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:04:11,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1097 states to 197 states and 1097 transitions. [2018-10-04 10:04:11,143 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 1097 transitions. [2018-10-04 10:04:11,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-04 10:04:11,144 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:04:11,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:04:12,272 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:04:18,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:04:18,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1125 states to 200 states and 1125 transitions. [2018-10-04 10:04:18,159 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 1125 transitions. [2018-10-04 10:04:18,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-04 10:04:18,159 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:04:18,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:04:18,166 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 10:04:19,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:04:19,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1133 states to 201 states and 1133 transitions. [2018-10-04 10:04:19,399 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 1133 transitions. [2018-10-04 10:04:19,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-04 10:04:19,400 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:04:19,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:04:20,200 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:04:23,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:04:23,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1160 states to 204 states and 1160 transitions. [2018-10-04 10:04:23,746 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 1160 transitions. [2018-10-04 10:04:23,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-04 10:04:23,747 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:04:23,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:04:24,518 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:04:27,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:04:27,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1159 states to 204 states and 1159 transitions. [2018-10-04 10:04:27,512 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 1159 transitions. [2018-10-04 10:04:27,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-04 10:04:27,513 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:04:27,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:04:27,907 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:04:31,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:04:31,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1153 states to 206 states and 1153 transitions. [2018-10-04 10:04:31,540 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 1153 transitions. [2018-10-04 10:04:31,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-04 10:04:31,541 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:04:31,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:04:32,639 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:04:32,931 WARN L178 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 19 [2018-10-04 10:04:35,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:04:35,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1152 states to 206 states and 1152 transitions. [2018-10-04 10:04:35,976 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 1152 transitions. [2018-10-04 10:04:35,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-04 10:04:35,977 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:04:35,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:04:36,541 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:04:42,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:04:42,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1188 states to 211 states and 1188 transitions. [2018-10-04 10:04:42,791 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 1188 transitions. [2018-10-04 10:04:42,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-04 10:04:42,792 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:04:42,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:04:42,869 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:04:44,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:04:44,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1192 states to 213 states and 1192 transitions. [2018-10-04 10:04:44,749 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 1192 transitions. [2018-10-04 10:04:44,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-04 10:04:44,749 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:04:44,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:04:44,811 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:04:50,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:04:50,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1222 states to 218 states and 1222 transitions. [2018-10-04 10:04:50,540 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 1222 transitions. [2018-10-04 10:04:50,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-04 10:04:50,540 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:04:50,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:04:50,624 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:04:54,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:04:54,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1256 states to 221 states and 1256 transitions. [2018-10-04 10:04:54,415 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 1256 transitions. [2018-10-04 10:04:54,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-04 10:04:54,416 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:04:54,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:04:55,155 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:04:58,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:04:58,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1255 states to 221 states and 1255 transitions. [2018-10-04 10:04:58,610 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 1255 transitions. [2018-10-04 10:04:58,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-04 10:04:58,611 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:04:58,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:04:58,617 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 10:05:03,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:05:03,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1288 states to 224 states and 1288 transitions. [2018-10-04 10:05:03,622 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 1288 transitions. [2018-10-04 10:05:03,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-04 10:05:03,623 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:05:03,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:05:03,704 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:05:06,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:05:06,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1305 states to 226 states and 1305 transitions. [2018-10-04 10:05:06,759 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 1305 transitions. [2018-10-04 10:05:06,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-04 10:05:06,760 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:05:06,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:05:08,121 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:05:15,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:05:15,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1336 states to 229 states and 1336 transitions. [2018-10-04 10:05:15,079 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 1336 transitions. [2018-10-04 10:05:15,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-04 10:05:15,080 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:05:15,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:05:15,087 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 10:05:18,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:05:18,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1351 states to 231 states and 1351 transitions. [2018-10-04 10:05:18,129 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 1351 transitions. [2018-10-04 10:05:18,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-04 10:05:18,130 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:05:18,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:05:19,038 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:05:21,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:05:21,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1361 states to 232 states and 1361 transitions. [2018-10-04 10:05:21,215 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 1361 transitions. [2018-10-04 10:05:21,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-04 10:05:21,216 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:05:21,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:05:21,833 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:05:26,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:05:26,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1357 states to 232 states and 1357 transitions. [2018-10-04 10:05:26,542 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 1357 transitions. [2018-10-04 10:05:26,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-04 10:05:26,542 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:05:26,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:05:28,066 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:05:35,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:05:35,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1398 states to 237 states and 1398 transitions. [2018-10-04 10:05:35,773 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 1398 transitions. [2018-10-04 10:05:35,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-04 10:05:35,774 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:05:35,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:05:35,780 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:05:36,943 WARN L178 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 29 [2018-10-04 10:05:39,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:05:39,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1415 states to 240 states and 1415 transitions. [2018-10-04 10:05:39,919 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 1415 transitions. [2018-10-04 10:05:39,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-04 10:05:39,919 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:05:39,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:05:40,475 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:05:46,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:05:46,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1435 states to 243 states and 1435 transitions. [2018-10-04 10:05:46,652 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 1435 transitions. [2018-10-04 10:05:46,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-04 10:05:46,652 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:05:46,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:05:46,658 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. Received shutdown request... [2018-10-04 10:05:47,627 INFO L256 ToolchainWalker]: Toolchain cancelled while executing plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck. Reason: Timeout or Toolchain cancelled by user [2018-10-04 10:05:47,630 INFO L168 Benchmark]: Toolchain (without parser) took 254795.61 ms. Allocated memory was 1.5 GB in the beginning and 3.4 GB in the end (delta: 1.9 GB). Free memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: 151.5 MB). Peak memory consumption was 2.0 GB. Max. memory is 7.1 GB. [2018-10-04 10:05:47,631 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-04 10:05:47,631 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.07 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-04 10:05:47,632 INFO L168 Benchmark]: Boogie Preprocessor took 22.61 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-04 10:05:47,632 INFO L168 Benchmark]: RCFGBuilder took 505.45 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-10-04 10:05:47,633 INFO L168 Benchmark]: CodeCheck took 254219.14 ms. Allocated memory was 1.5 GB in the beginning and 3.4 GB in the end (delta: 1.9 GB). Free memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: 130.4 MB). Peak memory consumption was 2.0 GB. Max. memory is 7.1 GB. [2018-10-04 10:05:47,637 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - TimeoutResult: Timeout (de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck) Toolchain cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 1142 known predicates. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 44.07 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 22.61 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 505.45 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 254219.14 ms. Allocated memory was 1.5 GB in the beginning and 3.4 GB in the end (delta: 1.9 GB). Free memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: 130.4 MB). Peak memory consumption was 2.0 GB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/threadpooling_product.bpl_svcomp-Reach-32bit-Kojak_Default.epf_KojakBplInline.xml/Csv-Benchmark-0-2018-10-04_10-05-47-649.csv Completed graceful shutdown