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 0.1.23-1cc990c [2018-10-01 01:37:01,420 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-01 01:37:01,423 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-01 01:37:01,443 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-01 01:37:01,444 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-01 01:37:01,446 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-01 01:37:01,447 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-01 01:37:01,450 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-01 01:37:01,452 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-01 01:37:01,457 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-01 01:37:01,459 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-01 01:37:01,459 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-01 01:37:01,460 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-01 01:37:01,463 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-01 01:37:01,464 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-01 01:37:01,465 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-01 01:37:01,469 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-01 01:37:01,476 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-01 01:37:01,478 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-01 01:37:01,483 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-01 01:37:01,488 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-01 01:37:01,489 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-01 01:37:01,491 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-01 01:37:01,492 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-01 01:37:01,492 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-01 01:37:01,492 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-01 01:37:01,493 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-01 01:37:01,496 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-01 01:37:01,496 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-01 01:37:01,499 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-01 01:37:01,499 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-01 01:37:01,500 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-01 01:37:01,500 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-01 01:37:01,500 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-01 01:37:01,503 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-01 01:37:01,505 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-01 01:37:01,505 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 [2018-10-01 01:37:01,531 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-01 01:37:01,532 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-01 01:37:01,532 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-01 01:37:01,533 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-01 01:37:01,533 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-01 01:37:01,533 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-01 01:37:01,534 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-01 01:37:01,534 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-01 01:37:01,534 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-01 01:37:01,534 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-01 01:37:01,534 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-01 01:37:01,535 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-01 01:37:01,535 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-01 01:37:01,535 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-01 01:37:01,535 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-01 01:37:01,535 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-01 01:37:01,536 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-01 01:37:01,536 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-01 01:37:01,536 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-01 01:37:01,536 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-01 01:37:01,536 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-01 01:37:01,537 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-01 01:37:01,537 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-01 01:37:01,537 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-01 01:37:01,537 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-01 01:37:01,537 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-01 01:37:01,538 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-01 01:37:01,538 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-01 01:37:01,538 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-01 01:37:01,601 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-01 01:37:01,624 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-01 01:37:01,629 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-01 01:37:01,631 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-01 01:37:01,631 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-01 01:37:01,632 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/threadpooling_product.bpl [2018-10-01 01:37:01,632 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/threadpooling_product.bpl' [2018-10-01 01:37:01,693 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-01 01:37:01,695 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-01 01:37:01,696 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-01 01:37:01,696 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-01 01:37:01,696 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-01 01:37:01,717 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "threadpooling_product.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 01:37:01" (1/1) ... [2018-10-01 01:37:01,730 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "threadpooling_product.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 01:37:01" (1/1) ... [2018-10-01 01:37:01,735 WARN L165 Inliner]: Program contained no entry procedure! [2018-10-01 01:37:01,736 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-10-01 01:37:01,736 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-10-01 01:37:01,738 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-01 01:37:01,739 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-01 01:37:01,739 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-01 01:37:01,739 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-01 01:37:01,750 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "threadpooling_product.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 01:37:01" (1/1) ... [2018-10-01 01:37:01,751 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "threadpooling_product.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 01:37:01" (1/1) ... [2018-10-01 01:37:01,752 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "threadpooling_product.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 01:37:01" (1/1) ... [2018-10-01 01:37:01,752 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "threadpooling_product.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 01:37:01" (1/1) ... [2018-10-01 01:37:01,758 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "threadpooling_product.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 01:37:01" (1/1) ... [2018-10-01 01:37:01,762 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "threadpooling_product.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 01:37:01" (1/1) ... [2018-10-01 01:37:01,765 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "threadpooling_product.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 01:37:01" (1/1) ... [2018-10-01 01:37:01,766 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-01 01:37:01,767 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-01 01:37:01,767 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-01 01:37:01,767 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-01 01:37:01,769 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "threadpooling_product.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 01:37:01" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-01 01:37:01,851 INFO L124 BoogieDeclarations]: Specification and implementation of procedure product given in one single declaration [2018-10-01 01:37:01,851 INFO L130 BoogieDeclarations]: Found specification of procedure product [2018-10-01 01:37:01,852 INFO L138 BoogieDeclarations]: Found implementation of procedure product [2018-10-01 01:37:02,384 INFO L345 CfgBuilder]: Using library mode [2018-10-01 01:37:02,385 INFO L202 PluginConnector]: Adding new model threadpooling_product.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.10 01:37:02 BoogieIcfgContainer [2018-10-01 01:37:02,385 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-01 01:37:02,385 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-01 01:37:02,385 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-01 01:37:02,397 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-01 01:37:02,397 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "threadpooling_product.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.10 01:37:02" (1/1) ... [2018-10-01 01:37:02,410 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-01 01:37:02,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:37:02,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 21 states and 33 transitions. [2018-10-01 01:37:02,447 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 33 transitions. [2018-10-01 01:37:02,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-10-01 01:37:02,450 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:37:02,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:37:02,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:37:02,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:37:02,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 25 states and 48 transitions. [2018-10-01 01:37:02,875 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 48 transitions. [2018-10-01 01:37:02,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-10-01 01:37:02,879 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:37:02,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:37:03,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:37:03,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:37:03,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 29 states and 66 transitions. [2018-10-01 01:37:03,716 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 66 transitions. [2018-10-01 01:37:03,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-10-01 01:37:03,717 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:37:03,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:37:04,169 WARN L178 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 13 DAG size of output: 7 [2018-10-01 01:37:04,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:37:05,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:37:05,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 35 states and 97 transitions. [2018-10-01 01:37:05,231 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 97 transitions. [2018-10-01 01:37:05,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-10-01 01:37:05,232 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:37:05,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:37:05,258 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:37:05,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:37:05,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 38 states and 105 transitions. [2018-10-01 01:37:05,495 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 105 transitions. [2018-10-01 01:37:05,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-10-01 01:37:05,497 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:37:05,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:37:05,736 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:37:06,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:37:06,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 44 states and 141 transitions. [2018-10-01 01:37:06,665 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 141 transitions. [2018-10-01 01:37:06,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-10-01 01:37:06,666 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:37:06,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:37:06,691 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:37:07,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:37:07,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 48 states and 165 transitions. [2018-10-01 01:37:07,401 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 165 transitions. [2018-10-01 01:37:07,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-10-01 01:37:07,402 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:37:07,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:37:07,423 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:37:07,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:37:07,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 49 states and 176 transitions. [2018-10-01 01:37:07,631 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 176 transitions. [2018-10-01 01:37:07,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-10-01 01:37:07,634 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:37:07,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:37:07,746 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:37:08,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:37:08,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 50 states and 186 transitions. [2018-10-01 01:37:08,059 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 186 transitions. [2018-10-01 01:37:08,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-10-01 01:37:08,060 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:37:08,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:37:08,220 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:37:08,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:37:08,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 51 states and 191 transitions. [2018-10-01 01:37:08,726 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 191 transitions. [2018-10-01 01:37:08,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-10-01 01:37:08,727 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:37:08,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:37:08,742 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:37:08,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:37:08,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 52 states and 193 transitions. [2018-10-01 01:37:08,811 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 193 transitions. [2018-10-01 01:37:08,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-10-01 01:37:08,813 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:37:08,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:37:08,893 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:37:09,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:37:09,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 56 states and 209 transitions. [2018-10-01 01:37:09,528 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 209 transitions. [2018-10-01 01:37:09,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-01 01:37:09,529 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:37:09,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:37:09,764 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:37:10,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:37:10,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 57 states and 220 transitions. [2018-10-01 01:37:10,382 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 220 transitions. [2018-10-01 01:37:10,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-01 01:37:10,383 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:37:10,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:37:10,795 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:37:11,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:37:11,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 58 states and 231 transitions. [2018-10-01 01:37:11,416 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 231 transitions. [2018-10-01 01:37:11,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-10-01 01:37:11,417 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:37:11,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:37:11,661 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:37:14,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:37:14,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 61 states and 250 transitions. [2018-10-01 01:37:14,379 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 250 transitions. [2018-10-01 01:37:14,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-10-01 01:37:14,379 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:37:14,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:37:14,625 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-01 01:37:15,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:37:15,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 63 states and 264 transitions. [2018-10-01 01:37:15,585 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 264 transitions. [2018-10-01 01:37:15,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-10-01 01:37:15,585 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:37:15,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:37:15,689 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-01 01:37:16,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:37:16,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 64 states and 266 transitions. [2018-10-01 01:37:16,076 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 266 transitions. [2018-10-01 01:37:16,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-10-01 01:37:16,077 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:37:16,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:37:16,173 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:37:17,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:37:17,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 66 states and 274 transitions. [2018-10-01 01:37:17,178 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 274 transitions. [2018-10-01 01:37:17,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-01 01:37:17,181 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:37:17,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:37:17,550 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:37:18,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:37:18,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 69 states and 297 transitions. [2018-10-01 01:37:18,931 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 297 transitions. [2018-10-01 01:37:18,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-01 01:37:18,932 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:37:18,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:37:19,085 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:37:20,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:37:20,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 72 states and 315 transitions. [2018-10-01 01:37:20,487 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 315 transitions. [2018-10-01 01:37:20,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-01 01:37:20,488 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:37:20,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:37:20,526 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:37:21,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:37:21,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 74 states and 320 transitions. [2018-10-01 01:37:21,149 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 320 transitions. [2018-10-01 01:37:21,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-01 01:37:21,149 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:37:21,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:37:21,399 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:37:22,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:37:22,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 78 states and 337 transitions. [2018-10-01 01:37:22,742 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 337 transitions. [2018-10-01 01:37:22,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-01 01:37:22,743 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:37:22,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:37:23,153 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:37:26,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:37:26,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 84 states and 366 transitions. [2018-10-01 01:37:26,308 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 366 transitions. [2018-10-01 01:37:26,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-01 01:37:26,309 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:37:26,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:37:26,321 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:37:26,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:37:26,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 85 states and 376 transitions. [2018-10-01 01:37:26,432 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 376 transitions. [2018-10-01 01:37:26,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-01 01:37:26,433 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:37:26,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:37:26,889 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:37:29,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:37:29,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 89 states and 400 transitions. [2018-10-01 01:37:29,209 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 400 transitions. [2018-10-01 01:37:29,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-01 01:37:29,210 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:37:29,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:37:29,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:37:30,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:37:30,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 91 states and 409 transitions. [2018-10-01 01:37:30,626 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 409 transitions. [2018-10-01 01:37:30,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-01 01:37:30,627 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:37:30,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:37:30,636 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:37:32,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:37:32,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 94 states and 427 transitions. [2018-10-01 01:37:32,052 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 427 transitions. [2018-10-01 01:37:32,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-01 01:37:32,052 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:37:32,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:37:32,641 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:37:36,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:37:36,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 99 states and 462 transitions. [2018-10-01 01:37:36,091 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 462 transitions. [2018-10-01 01:37:36,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-01 01:37:36,092 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:37:36,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:37:36,102 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:37:36,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:37:36,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 101 states and 468 transitions. [2018-10-01 01:37:36,954 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 468 transitions. [2018-10-01 01:37:36,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-01 01:37:36,955 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:37:36,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:37:37,349 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:37:39,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:37:39,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 105 states and 484 transitions. [2018-10-01 01:37:39,712 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 484 transitions. [2018-10-01 01:37:39,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-01 01:37:39,713 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:37:39,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:37:39,722 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:37:40,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:37:40,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 106 states and 492 transitions. [2018-10-01 01:37:40,930 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 492 transitions. [2018-10-01 01:37:40,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-01 01:37:40,931 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:37:40,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:37:41,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:37:43,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:37:43,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 109 states and 504 transitions. [2018-10-01 01:37:43,869 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 504 transitions. [2018-10-01 01:37:43,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-01 01:37:43,869 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:37:43,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:37:43,921 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:37:44,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:37:44,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 110 states and 514 transitions. [2018-10-01 01:37:44,489 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 514 transitions. [2018-10-01 01:37:44,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-01 01:37:44,489 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:37:44,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:37:44,577 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:37:45,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:37:45,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 112 states and 521 transitions. [2018-10-01 01:37:45,762 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 521 transitions. [2018-10-01 01:37:45,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-01 01:37:45,763 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:37:45,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:37:45,908 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:37:46,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:37:46,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 113 states and 524 transitions. [2018-10-01 01:37:46,535 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 524 transitions. [2018-10-01 01:37:46,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-01 01:37:46,536 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:37:46,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:37:46,632 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:37:47,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:37:47,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 114 states and 526 transitions. [2018-10-01 01:37:47,232 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 526 transitions. [2018-10-01 01:37:47,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-01 01:37:47,232 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:37:47,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:37:47,297 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:37:47,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:37:47,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 115 states and 529 transitions. [2018-10-01 01:37:47,810 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 529 transitions. [2018-10-01 01:37:47,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-01 01:37:47,811 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:37:47,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:37:48,668 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:37:51,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:37:51,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 118 states and 542 transitions. [2018-10-01 01:37:51,915 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 542 transitions. [2018-10-01 01:37:51,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-01 01:37:51,916 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:37:51,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:37:52,390 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:37:54,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:37:54,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 120 states and 557 transitions. [2018-10-01 01:37:54,166 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 557 transitions. [2018-10-01 01:37:54,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-01 01:37:54,167 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:37:54,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:37:54,179 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:37:55,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:37:55,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 569 states to 122 states and 569 transitions. [2018-10-01 01:37:55,927 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 569 transitions. [2018-10-01 01:37:55,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-01 01:37:55,927 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:37:55,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:37:56,306 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:37:57,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:37:57,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 574 states to 124 states and 574 transitions. [2018-10-01 01:37:57,479 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 574 transitions. [2018-10-01 01:37:57,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-01 01:37:57,479 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:37:57,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:37:57,491 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-10-01 01:38:01,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:38:01,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611 states to 128 states and 611 transitions. [2018-10-01 01:38:01,384 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 611 transitions. [2018-10-01 01:38:01,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-01 01:38:01,385 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:38:01,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:38:02,298 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:38:06,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:38:06,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 639 states to 131 states and 639 transitions. [2018-10-01 01:38:06,213 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 639 transitions. [2018-10-01 01:38:06,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-01 01:38:06,214 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:38:06,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:38:07,097 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:38:09,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:38:09,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 650 states to 133 states and 650 transitions. [2018-10-01 01:38:09,708 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 650 transitions. [2018-10-01 01:38:09,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-01 01:38:09,709 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:38:09,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:38:09,920 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:38:09,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:38:09,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 650 states to 134 states and 650 transitions. [2018-10-01 01:38:09,937 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 650 transitions. [2018-10-01 01:38:09,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-01 01:38:09,938 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:38:09,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:38:10,307 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:38:14,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:38:14,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 694 states to 139 states and 694 transitions. [2018-10-01 01:38:14,376 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 694 transitions. [2018-10-01 01:38:14,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-01 01:38:14,376 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:38:14,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:38:14,600 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-10-01 01:38:18,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:38:18,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 715 states to 142 states and 715 transitions. [2018-10-01 01:38:18,173 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 715 transitions. [2018-10-01 01:38:18,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-01 01:38:18,174 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:38:18,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:38:18,546 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:38:19,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:38:19,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 733 states to 143 states and 733 transitions. [2018-10-01 01:38:19,343 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 733 transitions. [2018-10-01 01:38:19,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-01 01:38:19,344 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:38:19,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:38:20,113 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:38:22,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:38:22,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 748 states to 146 states and 748 transitions. [2018-10-01 01:38:22,297 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 748 transitions. [2018-10-01 01:38:22,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-01 01:38:22,297 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:38:22,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:38:23,056 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:38:25,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:38:25,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 765 states to 149 states and 765 transitions. [2018-10-01 01:38:25,875 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 765 transitions. [2018-10-01 01:38:25,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-01 01:38:25,876 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:38:25,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:38:25,923 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:38:27,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:38:27,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 778 states to 151 states and 778 transitions. [2018-10-01 01:38:27,351 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 778 transitions. [2018-10-01 01:38:27,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-01 01:38:27,352 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:38:27,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:38:27,364 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:38:28,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:38:28,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 778 states to 152 states and 778 transitions. [2018-10-01 01:38:28,206 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 778 transitions. [2018-10-01 01:38:28,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-01 01:38:28,206 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:38:28,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:38:28,786 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:38:32,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:38:32,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 809 states to 156 states and 809 transitions. [2018-10-01 01:38:32,722 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 809 transitions. [2018-10-01 01:38:32,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-01 01:38:32,723 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:38:32,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:38:33,839 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:38:38,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:38:38,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 830 states to 159 states and 830 transitions. [2018-10-01 01:38:38,422 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 830 transitions. [2018-10-01 01:38:38,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-01 01:38:38,423 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:38:38,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:38:38,495 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:38:39,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:38:39,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 830 states to 160 states and 830 transitions. [2018-10-01 01:38:39,036 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 830 transitions. [2018-10-01 01:38:39,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-01 01:38:39,037 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:38:39,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:38:39,658 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:38:44,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:38:44,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 850 states to 163 states and 850 transitions. [2018-10-01 01:38:44,030 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 850 transitions. [2018-10-01 01:38:44,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-01 01:38:44,031 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:38:44,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:38:44,038 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:38:45,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:38:45,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 857 states to 165 states and 857 transitions. [2018-10-01 01:38:45,513 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 857 transitions. [2018-10-01 01:38:45,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-01 01:38:45,513 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:38:45,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:38:46,386 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:38:51,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:38:51,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 881 states to 168 states and 881 transitions. [2018-10-01 01:38:51,375 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 881 transitions. [2018-10-01 01:38:51,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-01 01:38:51,376 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:38:51,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:38:51,384 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-10-01 01:38:54,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:38:54,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 886 states to 171 states and 886 transitions. [2018-10-01 01:38:54,321 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 886 transitions. [2018-10-01 01:38:54,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-01 01:38:54,322 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:38:54,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:38:54,962 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:38:59,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:38:59,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 920 states to 175 states and 920 transitions. [2018-10-01 01:38:59,812 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 920 transitions. [2018-10-01 01:38:59,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-01 01:38:59,813 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:38:59,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:39:00,347 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:39:03,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:39:03,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 924 states to 177 states and 924 transitions. [2018-10-01 01:39:03,039 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 924 transitions. [2018-10-01 01:39:03,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-01 01:39:03,039 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:39:03,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:39:03,405 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:39:05,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:39:05,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 940 states to 179 states and 940 transitions. [2018-10-01 01:39:05,731 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 940 transitions. [2018-10-01 01:39:05,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-01 01:39:05,732 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:39:05,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:39:06,088 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:39:08,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:39:08,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 939 states to 179 states and 939 transitions. [2018-10-01 01:39:08,491 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 939 transitions. [2018-10-01 01:39:08,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-01 01:39:08,492 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:39:08,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:39:08,498 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:39:10,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:39:10,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 938 states to 179 states and 938 transitions. [2018-10-01 01:39:10,691 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 938 transitions. [2018-10-01 01:39:10,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-01 01:39:10,691 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:39:10,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:39:11,259 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:39:14,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:39:14,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 947 states to 180 states and 947 transitions. [2018-10-01 01:39:14,632 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 947 transitions. [2018-10-01 01:39:14,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-01 01:39:14,633 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:39:14,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:39:15,009 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:39:20,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:39:20,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 985 states to 185 states and 985 transitions. [2018-10-01 01:39:20,480 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 985 transitions. [2018-10-01 01:39:20,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-01 01:39:20,480 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:39:20,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:39:21,560 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:39:28,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:39:28,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1011 states to 188 states and 1011 transitions. [2018-10-01 01:39:28,169 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 1011 transitions. [2018-10-01 01:39:28,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-01 01:39:28,169 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:39:28,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:39:28,176 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:39:29,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:39:29,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1027 states to 189 states and 1027 transitions. [2018-10-01 01:39:29,695 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 1027 transitions. [2018-10-01 01:39:29,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-01 01:39:29,695 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:39:29,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:39:29,703 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:39:32,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:39:32,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1036 states to 190 states and 1036 transitions. [2018-10-01 01:39:32,084 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 1036 transitions. [2018-10-01 01:39:32,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-01 01:39:32,085 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:39:32,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:39:32,153 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:39:35,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:39:35,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1063 states to 193 states and 1063 transitions. [2018-10-01 01:39:35,291 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 1063 transitions. [2018-10-01 01:39:35,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-01 01:39:35,292 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:39:35,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:39:36,086 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:39:39,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:39:39,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1062 states to 193 states and 1062 transitions. [2018-10-01 01:39:39,188 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 1062 transitions. [2018-10-01 01:39:39,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-01 01:39:39,188 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:39:39,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:39:39,540 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:39:42,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:39:42,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1053 states to 194 states and 1053 transitions. [2018-10-01 01:39:42,949 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 1053 transitions. [2018-10-01 01:39:42,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-01 01:39:42,950 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:39:42,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:39:44,236 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:39:51,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:39:51,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1097 states to 199 states and 1097 transitions. [2018-10-01 01:39:51,320 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 1097 transitions. [2018-10-01 01:39:51,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-01 01:39:51,321 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:39:51,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:39:51,738 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:39:57,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:39:57,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1130 states to 204 states and 1130 transitions. [2018-10-01 01:39:57,422 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 1130 transitions. [2018-10-01 01:39:57,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-01 01:39:57,422 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:39:57,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:39:57,483 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:39:59,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:39:59,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1134 states to 206 states and 1134 transitions. [2018-10-01 01:39:59,593 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 1134 transitions. [2018-10-01 01:39:59,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-01 01:39:59,593 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:39:59,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:39:59,699 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:40:06,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:40:06,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1165 states to 210 states and 1165 transitions. [2018-10-01 01:40:06,348 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 1165 transitions. [2018-10-01 01:40:06,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-01 01:40:06,349 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:40:06,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:40:06,777 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:40:09,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:40:09,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1164 states to 210 states and 1164 transitions. [2018-10-01 01:40:09,825 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 1164 transitions. [2018-10-01 01:40:09,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-01 01:40:09,826 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:40:09,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:40:11,173 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:40:18,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:40:18,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1202 states to 215 states and 1202 transitions. [2018-10-01 01:40:18,417 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 1202 transitions. [2018-10-01 01:40:18,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-01 01:40:18,417 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:40:18,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:40:18,425 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:40:22,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:40:22,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1218 states to 218 states and 1218 transitions. [2018-10-01 01:40:22,355 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 1218 transitions. [2018-10-01 01:40:22,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-01 01:40:22,355 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:40:22,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:40:22,867 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:40:28,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:40:28,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1240 states to 221 states and 1240 transitions. [2018-10-01 01:40:28,682 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 1240 transitions. [2018-10-01 01:40:28,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-01 01:40:28,683 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:40:28,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:40:28,688 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-10-01 01:40:35,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:40:35,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1272 states to 226 states and 1272 transitions. [2018-10-01 01:40:35,916 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 1272 transitions. [2018-10-01 01:40:35,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-01 01:40:35,916 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:40:35,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:40:35,922 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-10-01 01:40:38,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:40:38,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1278 states to 228 states and 1278 transitions. [2018-10-01 01:40:38,321 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 1278 transitions. [2018-10-01 01:40:38,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-01 01:40:38,321 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:40:38,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:40:38,327 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-10-01 01:40:40,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:40:40,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1285 states to 230 states and 1285 transitions. [2018-10-01 01:40:40,840 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 1285 transitions. [2018-10-01 01:40:40,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-01 01:40:40,841 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:40:40,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:40:41,537 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:40:43,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:40:43,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1292 states to 231 states and 1292 transitions. [2018-10-01 01:40:43,093 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 1292 transitions. [2018-10-01 01:40:43,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-01 01:40:43,093 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:40:43,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:40:43,188 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:40:45,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:40:45,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1306 states to 233 states and 1306 transitions. [2018-10-01 01:40:45,713 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 1306 transitions. [2018-10-01 01:40:45,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-01 01:40:45,713 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:40:45,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:40:47,334 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:40:52,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:40:52,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1323 states to 236 states and 1323 transitions. [2018-10-01 01:40:52,903 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 1323 transitions. [2018-10-01 01:40:52,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-01 01:40:52,903 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:40:52,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:40:52,934 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:40:54,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:40:54,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1330 states to 237 states and 1330 transitions. [2018-10-01 01:40:54,282 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 1330 transitions. [2018-10-01 01:40:54,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-01 01:40:54,283 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:40:54,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:40:56,761 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:41:05,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:41:05,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1355 states to 242 states and 1355 transitions. [2018-10-01 01:41:05,385 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 1355 transitions. [2018-10-01 01:41:05,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-01 01:41:05,386 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:41:05,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:41:07,360 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:41:17,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:41:17,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1386 states to 248 states and 1386 transitions. [2018-10-01 01:41:17,416 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 1386 transitions. [2018-10-01 01:41:17,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-01 01:41:17,416 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:41:17,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:41:20,353 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:41:29,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:41:29,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1409 states to 253 states and 1409 transitions. [2018-10-01 01:41:29,963 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 1409 transitions. [2018-10-01 01:41:29,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-01 01:41:29,964 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:41:29,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:41:29,994 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:41:31,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:41:31,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1411 states to 254 states and 1411 transitions. [2018-10-01 01:41:31,612 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 1411 transitions. [2018-10-01 01:41:31,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-01 01:41:31,613 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:41:31,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:41:31,705 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:41:33,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:41:33,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1412 states to 255 states and 1412 transitions. [2018-10-01 01:41:33,207 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 1412 transitions. [2018-10-01 01:41:33,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-01 01:41:33,208 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:41:33,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:41:33,296 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:41:34,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:41:34,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1415 states to 256 states and 1415 transitions. [2018-10-01 01:41:34,524 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 1415 transitions. [2018-10-01 01:41:34,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-01 01:41:34,525 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:41:34,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:41:35,041 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:41:36,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:41:36,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1421 states to 257 states and 1421 transitions. [2018-10-01 01:41:36,988 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 1421 transitions. [2018-10-01 01:41:36,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-01 01:41:36,989 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:41:36,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:41:36,997 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:41:38,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:41:38,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1429 states to 258 states and 1429 transitions. [2018-10-01 01:41:38,313 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 1429 transitions. [2018-10-01 01:41:38,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-01 01:41:38,313 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:41:38,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:41:41,063 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:41:46,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:41:46,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1449 states to 260 states and 1449 transitions. [2018-10-01 01:41:46,654 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 1449 transitions. [2018-10-01 01:41:46,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-01 01:41:46,655 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:41:46,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:41:47,784 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:41:51,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:41:51,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1459 states to 263 states and 1459 transitions. [2018-10-01 01:41:51,143 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 1459 transitions. [2018-10-01 01:41:51,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-01 01:41:51,143 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:41:51,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:41:52,541 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:41:57,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:41:57,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1469 states to 265 states and 1469 transitions. [2018-10-01 01:41:57,214 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 1469 transitions. [2018-10-01 01:41:57,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-01 01:41:57,215 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:41:57,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:42:01,786 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:42:11,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:42:11,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1497 states to 271 states and 1497 transitions. [2018-10-01 01:42:11,429 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 1497 transitions. [2018-10-01 01:42:11,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-01 01:42:11,430 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:42:11,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:42:12,318 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:42:18,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:42:18,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1510 states to 275 states and 1510 transitions. [2018-10-01 01:42:18,741 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 1510 transitions. [2018-10-01 01:42:18,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-01 01:42:18,742 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:42:18,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:42:18,780 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:42:20,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:42:20,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1515 states to 276 states and 1515 transitions. [2018-10-01 01:42:20,086 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 1515 transitions. [2018-10-01 01:42:20,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-01 01:42:20,087 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:42:20,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:42:20,173 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:42:23,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:42:23,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1519 states to 278 states and 1519 transitions. [2018-10-01 01:42:23,241 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 1519 transitions. [2018-10-01 01:42:23,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-01 01:42:23,242 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:42:23,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:42:23,288 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:42:24,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:42:24,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1520 states to 279 states and 1520 transitions. [2018-10-01 01:42:24,660 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 1520 transitions. [2018-10-01 01:42:24,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-01 01:42:24,661 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:42:24,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:42:24,668 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:42:26,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:42:26,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1532 states to 280 states and 1532 transitions. [2018-10-01 01:42:26,285 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 1532 transitions. [2018-10-01 01:42:26,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-01 01:42:26,285 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:42:26,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:42:26,326 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:42:27,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:42:27,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1536 states to 281 states and 1536 transitions. [2018-10-01 01:42:27,852 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 1536 transitions. [2018-10-01 01:42:27,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-01 01:42:27,853 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:42:27,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:42:29,403 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:42:39,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:42:39,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1578 states to 285 states and 1578 transitions. [2018-10-01 01:42:39,715 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 1578 transitions. [2018-10-01 01:42:39,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-01 01:42:39,715 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:42:39,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:42:41,617 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:42:49,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:42:49,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1595 states to 288 states and 1595 transitions. [2018-10-01 01:42:49,138 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 1595 transitions. [2018-10-01 01:42:49,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-01 01:42:49,138 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:42:49,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:42:49,146 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:42:53,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:42:53,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1615 states to 290 states and 1615 transitions. [2018-10-01 01:42:53,181 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 1615 transitions. [2018-10-01 01:42:53,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-01 01:42:53,181 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:42:53,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:42:53,250 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:42:54,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:42:54,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1614 states to 290 states and 1614 transitions. [2018-10-01 01:42:54,721 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 1614 transitions. [2018-10-01 01:42:54,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-01 01:42:54,722 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:42:54,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:42:54,747 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:42:59,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:42:59,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1622 states to 293 states and 1622 transitions. [2018-10-01 01:42:59,998 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 1622 transitions. [2018-10-01 01:42:59,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-01 01:42:59,999 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:43:00,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:43:01,096 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:43:05,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:43:05,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1627 states to 295 states and 1627 transitions. [2018-10-01 01:43:05,597 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 1627 transitions. [2018-10-01 01:43:05,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-01 01:43:05,598 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:43:05,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:43:06,363 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:43:10,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:43:10,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1630 states to 296 states and 1630 transitions. [2018-10-01 01:43:10,277 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 1630 transitions. [2018-10-01 01:43:10,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-01 01:43:10,277 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:43:10,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:43:10,402 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:43:12,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:43:12,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1640 states to 297 states and 1640 transitions. [2018-10-01 01:43:12,054 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 1640 transitions. [2018-10-01 01:43:12,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-01 01:43:12,055 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:43:12,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:43:14,600 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:43:24,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:43:24,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1661 states to 300 states and 1661 transitions. [2018-10-01 01:43:24,019 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 1661 transitions. [2018-10-01 01:43:24,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-01 01:43:24,020 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:43:24,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:43:26,089 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:43:39,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:43:39,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1707 states to 306 states and 1707 transitions. [2018-10-01 01:43:39,394 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 1707 transitions. [2018-10-01 01:43:39,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-01 01:43:39,395 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:43:39,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:43:41,420 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:43:49,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:43:49,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1713 states to 307 states and 1713 transitions. [2018-10-01 01:43:49,085 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 1713 transitions. [2018-10-01 01:43:49,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-01 01:43:49,086 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:43:49,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:43:49,092 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:43:50,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:43:50,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1727 states to 308 states and 1727 transitions. [2018-10-01 01:43:50,904 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 1727 transitions. [2018-10-01 01:43:50,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-01 01:43:50,905 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:43:50,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:43:50,924 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:43:58,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:43:58,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1732 states to 310 states and 1732 transitions. [2018-10-01 01:43:58,071 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 1732 transitions. [2018-10-01 01:43:58,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-01 01:43:58,072 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:43:58,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:43:58,077 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:44:01,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:44:01,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1752 states to 312 states and 1752 transitions. [2018-10-01 01:44:01,770 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 1752 transitions. [2018-10-01 01:44:01,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-01 01:44:01,770 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:44:01,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:44:01,839 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:44:03,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:44:03,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1763 states to 313 states and 1763 transitions. [2018-10-01 01:44:03,853 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 1763 transitions. [2018-10-01 01:44:03,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-01 01:44:03,853 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:44:03,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:44:03,977 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:44:05,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:44:05,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1767 states to 314 states and 1767 transitions. [2018-10-01 01:44:05,980 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 1767 transitions. [2018-10-01 01:44:05,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-01 01:44:05,981 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:44:05,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:44:05,987 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:44:08,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:44:08,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1778 states to 315 states and 1778 transitions. [2018-10-01 01:44:08,120 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 1778 transitions. [2018-10-01 01:44:08,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-01 01:44:08,121 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:44:08,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:44:08,179 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:44:14,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:44:14,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1803 states to 319 states and 1803 transitions. [2018-10-01 01:44:14,031 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 1803 transitions. [2018-10-01 01:44:14,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-01 01:44:14,032 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:44:14,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:44:14,037 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:44:17,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:44:17,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1814 states to 321 states and 1814 transitions. [2018-10-01 01:44:17,396 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 1814 transitions. [2018-10-01 01:44:17,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-01 01:44:17,396 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:44:17,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:44:19,319 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:44:30,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:44:30,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1851 states to 326 states and 1851 transitions. [2018-10-01 01:44:30,455 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 1851 transitions. [2018-10-01 01:44:30,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-01 01:44:30,456 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:44:30,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:44:31,802 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:44:40,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:44:40,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1878 states to 330 states and 1878 transitions. [2018-10-01 01:44:40,367 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 1878 transitions. [2018-10-01 01:44:40,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-01 01:44:40,367 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:44:40,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:44:40,423 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:44:41,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:44:41,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1890 states to 331 states and 1890 transitions. [2018-10-01 01:44:41,998 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 1890 transitions. [2018-10-01 01:44:41,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-01 01:44:41,998 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:44:42,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:44:42,834 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:44:50,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:44:50,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1905 states to 335 states and 1905 transitions. [2018-10-01 01:44:50,950 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 1905 transitions. [2018-10-01 01:44:50,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-01 01:44:50,950 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:44:50,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:44:52,334 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:44:57,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:44:57,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1917 states to 337 states and 1917 transitions. [2018-10-01 01:44:57,792 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 1917 transitions. [2018-10-01 01:44:57,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-01 01:44:57,793 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:44:57,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:44:59,083 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:45:04,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:45:04,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1914 states to 337 states and 1914 transitions. [2018-10-01 01:45:04,473 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 1914 transitions. [2018-10-01 01:45:04,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-01 01:45:04,474 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:45:04,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:45:04,527 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:45:10,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:45:10,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1956 states to 340 states and 1956 transitions. [2018-10-01 01:45:10,248 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 1956 transitions. [2018-10-01 01:45:10,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-01 01:45:10,249 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:45:10,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:45:10,254 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:45:13,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:45:13,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1964 states to 342 states and 1964 transitions. [2018-10-01 01:45:13,911 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 1964 transitions. [2018-10-01 01:45:13,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-01 01:45:13,912 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:45:13,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:45:14,029 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:45:15,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:45:15,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1971 states to 343 states and 1971 transitions. [2018-10-01 01:45:15,492 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 1971 transitions. [2018-10-01 01:45:15,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-01 01:45:15,493 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:45:15,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:45:15,498 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:45:20,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:45:20,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1984 states to 346 states and 1984 transitions. [2018-10-01 01:45:20,828 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 1984 transitions. [2018-10-01 01:45:20,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-01 01:45:20,829 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:45:20,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:45:20,833 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:45:24,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:45:24,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1990 states to 348 states and 1990 transitions. [2018-10-01 01:45:24,235 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 1990 transitions. [2018-10-01 01:45:24,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-01 01:45:24,235 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:45:24,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:45:24,240 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:45:27,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:45:27,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1995 states to 350 states and 1995 transitions. [2018-10-01 01:45:27,608 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 1995 transitions. [2018-10-01 01:45:27,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-01 01:45:27,609 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:45:27,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:45:28,838 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:45:39,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:45:39,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2059 states to 355 states and 2059 transitions. [2018-10-01 01:45:39,357 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 2059 transitions. [2018-10-01 01:45:39,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-01 01:45:39,358 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:45:39,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:45:40,737 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:45:45,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:45:45,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2072 states to 357 states and 2072 transitions. [2018-10-01 01:45:45,811 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 2072 transitions. [2018-10-01 01:45:45,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-01 01:45:45,811 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:45:45,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:45:47,496 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:45:58,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:45:58,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2114 states to 360 states and 2114 transitions. [2018-10-01 01:45:58,640 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 2114 transitions. [2018-10-01 01:45:58,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-01 01:45:58,641 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:45:58,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:45:58,645 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:46:05,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:46:05,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2152 states to 363 states and 2152 transitions. [2018-10-01 01:46:05,005 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 2152 transitions. [2018-10-01 01:46:05,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-01 01:46:05,006 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:46:05,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:46:05,011 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:46:08,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:46:08,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2157 states to 365 states and 2157 transitions. [2018-10-01 01:46:08,804 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 2157 transitions. [2018-10-01 01:46:08,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-01 01:46:08,804 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:46:08,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:46:08,809 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:46:19,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:46:19,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2231 states to 370 states and 2231 transitions. [2018-10-01 01:46:19,278 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 2231 transitions. [2018-10-01 01:46:19,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-01 01:46:19,279 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:46:19,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:46:19,284 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:46:25,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:46:25,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2269 states to 373 states and 2269 transitions. [2018-10-01 01:46:25,996 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 2269 transitions. [2018-10-01 01:46:25,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-01 01:46:25,997 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:46:25,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:46:26,001 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:46:29,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:46:29,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2261 states to 373 states and 2261 transitions. [2018-10-01 01:46:29,797 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 2261 transitions. [2018-10-01 01:46:29,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-01 01:46:29,798 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:46:29,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:46:29,802 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:46:34,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:46:34,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2272 states to 374 states and 2272 transitions. [2018-10-01 01:46:34,245 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 2272 transitions. [2018-10-01 01:46:34,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-01 01:46:34,245 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:46:34,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:46:34,250 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:46:36,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:46:36,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2267 states to 374 states and 2267 transitions. [2018-10-01 01:46:36,221 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 2267 transitions. [2018-10-01 01:46:36,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-01 01:46:36,221 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:46:36,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:46:36,418 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-10-01 01:46:38,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:46:38,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2276 states to 375 states and 2276 transitions. [2018-10-01 01:46:38,806 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 2276 transitions. [2018-10-01 01:46:38,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-01 01:46:38,807 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:46:38,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:46:38,813 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-10-01 01:46:46,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:46:46,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2295 states to 379 states and 2295 transitions. [2018-10-01 01:46:46,032 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 2295 transitions. [2018-10-01 01:46:46,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-01 01:46:46,033 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:46:46,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:46:46,037 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-01 01:46:55,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:46:55,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2318 states to 383 states and 2318 transitions. [2018-10-01 01:46:55,118 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 2318 transitions. [2018-10-01 01:46:55,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-01 01:46:55,119 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:46:55,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:46:55,122 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-01 01:46:57,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:46:57,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2329 states to 384 states and 2329 transitions. [2018-10-01 01:46:57,336 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 2329 transitions. [2018-10-01 01:46:57,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-01 01:46:57,337 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:46:57,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:46:57,341 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-10-01 01:47:01,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:47:01,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2326 states to 384 states and 2326 transitions. [2018-10-01 01:47:01,415 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 2326 transitions. [2018-10-01 01:47:01,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-01 01:47:01,415 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:47:01,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:47:02,994 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:47:14,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:47:14,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2360 states to 389 states and 2360 transitions. [2018-10-01 01:47:14,823 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 2360 transitions. [2018-10-01 01:47:14,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-01 01:47:14,823 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:47:14,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:47:14,828 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:47:25,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:47:25,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2397 states to 394 states and 2397 transitions. [2018-10-01 01:47:25,051 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 2397 transitions. [2018-10-01 01:47:25,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-01 01:47:25,052 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:47:25,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:47:25,056 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:47:34,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:47:34,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2434 states to 398 states and 2434 transitions. [2018-10-01 01:47:34,217 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 2434 transitions. [2018-10-01 01:47:34,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-01 01:47:34,218 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:47:34,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:47:34,223 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:47:38,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:47:38,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2438 states to 400 states and 2438 transitions. [2018-10-01 01:47:38,070 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 2438 transitions. [2018-10-01 01:47:38,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-01 01:47:38,071 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:47:38,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:47:40,107 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:47:43,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:47:43,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2434 states to 399 states and 2434 transitions. [2018-10-01 01:47:43,873 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 2434 transitions. [2018-10-01 01:47:43,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-01 01:47:43,874 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:47:43,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:47:45,975 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:47:59,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:47:59,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2474 states to 404 states and 2474 transitions. [2018-10-01 01:47:59,163 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 2474 transitions. [2018-10-01 01:47:59,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-01 01:47:59,164 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:47:59,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:48:02,066 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 1 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:48:13,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:48:13,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2516 states to 408 states and 2516 transitions. [2018-10-01 01:48:13,538 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 2516 transitions. [2018-10-01 01:48:13,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-01 01:48:13,538 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:48:13,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:48:13,603 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 1 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:48:17,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:48:17,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2528 states to 410 states and 2528 transitions. [2018-10-01 01:48:17,913 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 2528 transitions. [2018-10-01 01:48:17,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-01 01:48:17,914 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:48:17,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:48:20,748 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-01 01:48:42,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:48:42,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2582 states to 418 states and 2582 transitions. [2018-10-01 01:48:42,055 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states and 2582 transitions. [2018-10-01 01:48:42,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-01 01:48:42,056 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:48:42,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:48:42,061 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-01 01:48:44,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:48:44,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2582 states to 419 states and 2582 transitions. [2018-10-01 01:48:44,091 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 2582 transitions. [2018-10-01 01:48:44,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-01 01:48:44,092 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:48:44,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:48:46,831 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:48:54,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:48:54,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2593 states to 421 states and 2593 transitions. [2018-10-01 01:48:54,677 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 2593 transitions. [2018-10-01 01:48:54,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-01 01:48:54,678 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:48:54,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:49:00,569 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:49:23,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:49:23,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2642 states to 427 states and 2642 transitions. [2018-10-01 01:49:23,114 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 2642 transitions. [2018-10-01 01:49:23,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-01 01:49:23,115 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:49:23,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:49:27,787 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:49:37,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:49:37,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2646 states to 428 states and 2646 transitions. [2018-10-01 01:49:37,936 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 2646 transitions. [2018-10-01 01:49:37,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-01 01:49:37,936 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:49:37,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:49:37,996 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:49:42,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:49:42,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2653 states to 429 states and 2653 transitions. [2018-10-01 01:49:42,888 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 2653 transitions. [2018-10-01 01:49:42,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-01 01:49:42,889 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:49:42,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:49:42,895 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:49:45,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:49:45,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2656 states to 430 states and 2656 transitions. [2018-10-01 01:49:45,409 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 2656 transitions. [2018-10-01 01:49:45,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-01 01:49:45,410 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:49:45,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:49:45,444 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:49:48,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:49:48,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2656 states to 431 states and 2656 transitions. [2018-10-01 01:49:48,934 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 2656 transitions. [2018-10-01 01:49:48,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-01 01:49:48,934 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:49:48,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:49:49,163 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:49:54,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:49:54,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2687 states to 433 states and 2687 transitions. [2018-10-01 01:49:54,274 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 2687 transitions. [2018-10-01 01:49:54,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-01 01:49:54,274 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:49:54,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:49:54,280 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-01 01:49:59,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:49:59,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2691 states to 435 states and 2691 transitions. [2018-10-01 01:49:59,912 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 2691 transitions. [2018-10-01 01:49:59,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-01 01:49:59,913 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:49:59,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:49:59,919 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-01 01:50:02,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:50:02,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2692 states to 436 states and 2692 transitions. [2018-10-01 01:50:02,631 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 2692 transitions. [2018-10-01 01:50:02,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-01 01:50:02,632 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:50:02,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:50:02,637 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:50:05,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:50:05,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2691 states to 436 states and 2691 transitions. [2018-10-01 01:50:05,823 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 2691 transitions. [2018-10-01 01:50:05,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-01 01:50:05,824 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:50:05,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:50:08,166 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:50:15,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:50:15,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2706 states to 438 states and 2706 transitions. [2018-10-01 01:50:15,193 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 2706 transitions. [2018-10-01 01:50:15,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-01 01:50:15,194 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:50:15,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:50:16,082 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. Received shutdown request... [2018-10-01 01:50:17,900 INFO L256 ToolchainWalker]: Toolchain cancelled while executing plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck. Reason: Timeout or Toolchain cancelled by user [2018-10-01 01:50:17,902 INFO L168 Benchmark]: Toolchain (without parser) took 796209.18 ms. Allocated memory was 1.5 GB in the beginning and 3.4 GB in the end (delta: 1.8 GB). Free memory was 1.5 GB in the beginning and 2.6 GB in the end (delta: -1.2 GB). Peak memory consumption was 666.5 MB. Max. memory is 7.1 GB. [2018-10-01 01:50:17,904 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.19 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-01 01:50:17,904 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.53 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-01 01:50:17,904 INFO L168 Benchmark]: Boogie Preprocessor took 27.85 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-01 01:50:17,905 INFO L168 Benchmark]: RCFGBuilder took 617.95 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-10-01 01:50:17,905 INFO L168 Benchmark]: CodeCheck took 795516.21 ms. Allocated memory was 1.5 GB in the beginning and 3.4 GB in the end (delta: 1.8 GB). Free memory was 1.4 GB in the beginning and 2.6 GB in the end (delta: -1.2 GB). Peak memory consumption was 645.4 MB. Max. memory is 7.1 GB. [2018-10-01 01:50:17,908 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 2170 known predicates. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.19 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 42.53 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 27.85 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 617.95 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * CodeCheck took 795516.21 ms. Allocated memory was 1.5 GB in the beginning and 3.4 GB in the end (delta: 1.8 GB). Free memory was 1.4 GB in the beginning and 2.6 GB in the end (delta: -1.2 GB). Peak memory consumption was 645.4 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/threadpooling_product.bpl_svcomp-Reach-32bit-Kojak_Default.epf_KojakBplInline.xml/Csv-Benchmark-0-2018-10-01_01-50-17-918.csv Completed graceful shutdown