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-b2fde6a [2018-09-28 10:51:13,471 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-28 10:51:13,473 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-28 10:51:13,485 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-28 10:51:13,486 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-28 10:51:13,487 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-28 10:51:13,488 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-28 10:51:13,490 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-28 10:51:13,492 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-28 10:51:13,493 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-28 10:51:13,494 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-28 10:51:13,494 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-28 10:51:13,495 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-28 10:51:13,496 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-28 10:51:13,497 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-28 10:51:13,498 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-28 10:51:13,499 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-28 10:51:13,501 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-28 10:51:13,503 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-28 10:51:13,505 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-28 10:51:13,506 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-28 10:51:13,507 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-28 10:51:13,509 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-28 10:51:13,510 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-28 10:51:13,510 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-28 10:51:13,511 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-28 10:51:13,512 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-28 10:51:13,513 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-28 10:51:13,514 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-28 10:51:13,515 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-28 10:51:13,515 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-28 10:51:13,516 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-28 10:51:13,516 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-28 10:51:13,517 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-28 10:51:13,518 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-28 10:51:13,518 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-28 10:51:13,519 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 [2018-09-28 10:51:13,534 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-28 10:51:13,534 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-28 10:51:13,535 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-28 10:51:13,536 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-28 10:51:13,536 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-28 10:51:13,536 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-28 10:51:13,537 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-28 10:51:13,537 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-28 10:51:13,537 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-28 10:51:13,537 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-28 10:51:13,537 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-28 10:51:13,537 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-28 10:51:13,538 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-28 10:51:13,538 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-28 10:51:13,538 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-28 10:51:13,538 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-28 10:51:13,538 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-28 10:51:13,539 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-09-28 10:51:13,539 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-09-28 10:51:13,539 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-28 10:51:13,539 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-28 10:51:13,539 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-28 10:51:13,540 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-28 10:51:13,540 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-28 10:51:13,540 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-28 10:51:13,540 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-09-28 10:51:13,540 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-28 10:51:13,541 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-28 10:51:13,541 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-28 10:51:13,586 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-28 10:51:13,603 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-28 10:51:13,609 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-28 10:51:13,611 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-28 10:51:13,612 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-28 10:51:13,613 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/threadpooling_product.bpl [2018-09-28 10:51:13,613 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/threadpooling_product.bpl' [2018-09-28 10:51:13,687 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-28 10:51:13,691 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-28 10:51:13,692 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-28 10:51:13,692 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-28 10:51:13,693 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-28 10:51:13,716 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "threadpooling_product.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 10:51:13" (1/1) ... [2018-09-28 10:51:13,729 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "threadpooling_product.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 10:51:13" (1/1) ... [2018-09-28 10:51:13,734 WARN L165 Inliner]: Program contained no entry procedure! [2018-09-28 10:51:13,735 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-09-28 10:51:13,735 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-09-28 10:51:13,737 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-28 10:51:13,738 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-28 10:51:13,738 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-28 10:51:13,739 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-28 10:51:13,751 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "threadpooling_product.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 10:51:13" (1/1) ... [2018-09-28 10:51:13,752 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "threadpooling_product.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 10:51:13" (1/1) ... [2018-09-28 10:51:13,752 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "threadpooling_product.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 10:51:13" (1/1) ... [2018-09-28 10:51:13,753 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "threadpooling_product.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 10:51:13" (1/1) ... [2018-09-28 10:51:13,756 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "threadpooling_product.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 10:51:13" (1/1) ... [2018-09-28 10:51:13,760 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "threadpooling_product.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 10:51:13" (1/1) ... [2018-09-28 10:51:13,762 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "threadpooling_product.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 10:51:13" (1/1) ... [2018-09-28 10:51:13,764 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-28 10:51:13,765 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-28 10:51:13,765 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-28 10:51:13,765 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-28 10:51:13,767 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "threadpooling_product.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 10:51:13" (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 [2018-09-28 10:51:13,845 INFO L124 BoogieDeclarations]: Specification and implementation of procedure product given in one single declaration [2018-09-28 10:51:13,845 INFO L130 BoogieDeclarations]: Found specification of procedure product [2018-09-28 10:51:13,846 INFO L138 BoogieDeclarations]: Found implementation of procedure product [2018-09-28 10:51:14,275 INFO L350 CfgBuilder]: Using library mode [2018-09-28 10:51:14,275 INFO L202 PluginConnector]: Adding new model threadpooling_product.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.09 10:51:14 BoogieIcfgContainer [2018-09-28 10:51:14,276 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-28 10:51:14,276 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-09-28 10:51:14,277 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-09-28 10:51:14,289 INFO L276 PluginConnector]: CodeCheck initialized [2018-09-28 10:51:14,289 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "threadpooling_product.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.09 10:51:14" (1/1) ... [2018-09-28 10:51:14,304 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-28 10:51:14,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:51:14,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 21 states and 33 transitions. [2018-09-28 10:51:14,349 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 33 transitions. [2018-09-28 10:51:14,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-28 10:51:14,353 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:51:14,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:51:14,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:51:14,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:51:14,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 25 states and 48 transitions. [2018-09-28 10:51:14,841 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 48 transitions. [2018-09-28 10:51:14,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-28 10:51:14,844 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:51:14,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:51:15,151 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:51:15,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:51:15,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 29 states and 66 transitions. [2018-09-28 10:51:15,596 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 66 transitions. [2018-09-28 10:51:15,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-28 10:51:15,597 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:51:15,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:51:16,039 WARN L178 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 13 DAG size of output: 7 [2018-09-28 10:51:16,198 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:51:17,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:51:17,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 35 states and 97 transitions. [2018-09-28 10:51:17,023 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 97 transitions. [2018-09-28 10:51:17,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-28 10:51:17,024 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:51:17,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:51:17,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:51:17,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:51:17,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 38 states and 105 transitions. [2018-09-28 10:51:17,276 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 105 transitions. [2018-09-28 10:51:17,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-28 10:51:17,277 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:51:17,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:51:17,524 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:51:18,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:51:18,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 44 states and 141 transitions. [2018-09-28 10:51:18,559 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 141 transitions. [2018-09-28 10:51:18,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-28 10:51:18,560 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:51:18,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:51:18,582 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:51:19,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:51:19,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 48 states and 167 transitions. [2018-09-28 10:51:19,113 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 167 transitions. [2018-09-28 10:51:19,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-28 10:51:19,116 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:51:19,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:51:19,138 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:51:19,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:51:19,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 49 states and 176 transitions. [2018-09-28 10:51:19,352 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 176 transitions. [2018-09-28 10:51:19,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-28 10:51:19,355 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:51:19,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:51:19,481 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:51:19,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:51:19,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 50 states and 188 transitions. [2018-09-28 10:51:19,771 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 188 transitions. [2018-09-28 10:51:19,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-28 10:51:19,773 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:51:19,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:51:19,909 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:51:20,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:51:20,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 51 states and 191 transitions. [2018-09-28 10:51:20,332 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 191 transitions. [2018-09-28 10:51:20,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-28 10:51:20,334 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:51:20,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:51:20,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:51:20,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:51:20,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 55 states and 211 transitions. [2018-09-28 10:51:20,792 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 211 transitions. [2018-09-28 10:51:20,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-28 10:51:20,794 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:51:20,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:51:20,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:51:21,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:51:21,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 56 states and 213 transitions. [2018-09-28 10:51:21,046 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 213 transitions. [2018-09-28 10:51:21,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-28 10:51:21,047 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:51:21,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:51:21,181 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:51:21,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:51:21,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 57 states and 224 transitions. [2018-09-28 10:51:21,874 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 224 transitions. [2018-09-28 10:51:21,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-28 10:51:21,875 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:51:21,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:51:22,182 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:51:22,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:51:22,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 58 states and 235 transitions. [2018-09-28 10:51:22,576 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 235 transitions. [2018-09-28 10:51:22,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-28 10:51:22,578 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:51:22,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:51:22,838 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:51:25,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:51:25,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 61 states and 254 transitions. [2018-09-28 10:51:25,245 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 254 transitions. [2018-09-28 10:51:25,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-28 10:51:25,246 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:51:25,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:51:25,540 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:51:26,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:51:26,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 62 states and 262 transitions. [2018-09-28 10:51:26,541 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 262 transitions. [2018-09-28 10:51:26,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-28 10:51:26,542 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:51:26,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:51:26,617 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:51:26,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:51:26,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 63 states and 262 transitions. [2018-09-28 10:51:26,631 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 262 transitions. [2018-09-28 10:51:26,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-28 10:51:26,633 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:51:26,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:51:26,661 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:51:27,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:51:27,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 66 states and 295 transitions. [2018-09-28 10:51:27,674 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 295 transitions. [2018-09-28 10:51:27,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-28 10:51:27,675 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:51:27,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:51:27,862 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-09-28 10:51:29,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:51:29,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 68 states and 311 transitions. [2018-09-28 10:51:29,110 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 311 transitions. [2018-09-28 10:51:29,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-28 10:51:29,111 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:51:29,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:51:29,228 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:51:29,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:51:29,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 69 states and 316 transitions. [2018-09-28 10:51:29,768 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 316 transitions. [2018-09-28 10:51:29,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-28 10:51:29,769 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:51:29,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:51:29,859 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-09-28 10:51:30,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:51:30,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 70 states and 318 transitions. [2018-09-28 10:51:30,337 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 318 transitions. [2018-09-28 10:51:30,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-28 10:51:30,337 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:51:30,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:51:30,461 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:51:31,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:51:31,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 72 states and 326 transitions. [2018-09-28 10:51:31,590 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 326 transitions. [2018-09-28 10:51:31,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-28 10:51:31,591 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:51:31,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:51:32,003 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:51:33,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:51:33,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 75 states and 350 transitions. [2018-09-28 10:51:33,557 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 350 transitions. [2018-09-28 10:51:33,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-28 10:51:33,558 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:51:33,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:51:33,778 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:51:35,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:51:35,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 78 states and 369 transitions. [2018-09-28 10:51:35,248 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 369 transitions. [2018-09-28 10:51:35,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-28 10:51:35,249 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:51:35,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:51:35,538 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:51:36,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:51:36,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 80 states and 374 transitions. [2018-09-28 10:51:36,359 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 374 transitions. [2018-09-28 10:51:36,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-28 10:51:36,360 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:51:36,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:51:36,622 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:51:38,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:51:38,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 84 states and 391 transitions. [2018-09-28 10:51:38,152 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 391 transitions. [2018-09-28 10:51:38,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-28 10:51:38,153 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:51:38,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:51:38,515 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:51:41,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:51:41,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 90 states and 420 transitions. [2018-09-28 10:51:41,813 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 420 transitions. [2018-09-28 10:51:41,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-28 10:51:41,814 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:51:41,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:51:41,823 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:51:41,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:51:41,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 91 states and 430 transitions. [2018-09-28 10:51:41,935 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 430 transitions. [2018-09-28 10:51:41,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-28 10:51:41,936 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:51:41,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:51:42,393 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:51:45,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:51:45,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 95 states and 454 transitions. [2018-09-28 10:51:45,033 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 454 transitions. [2018-09-28 10:51:45,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-28 10:51:45,034 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:51:45,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:51:45,368 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:51:46,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:51:46,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 97 states and 463 transitions. [2018-09-28 10:51:46,270 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 463 transitions. [2018-09-28 10:51:46,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-28 10:51:46,271 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:51:46,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:51:46,280 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:51:47,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:51:47,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 100 states and 481 transitions. [2018-09-28 10:51:47,875 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 481 transitions. [2018-09-28 10:51:47,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-28 10:51:47,875 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:51:47,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:51:48,338 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:51:51,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:51:51,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 104 states and 500 transitions. [2018-09-28 10:51:51,240 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 500 transitions. [2018-09-28 10:51:51,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-28 10:51:51,241 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:51:51,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:51:51,254 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:51:51,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:51:51,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 105 states and 508 transitions. [2018-09-28 10:51:51,780 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 508 transitions. [2018-09-28 10:51:51,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-28 10:51:51,780 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:51:51,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:51:52,347 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:51:55,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:51:55,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 110 states and 541 transitions. [2018-09-28 10:51:55,954 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 541 transitions. [2018-09-28 10:51:55,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-28 10:51:55,955 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:51:55,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:51:57,241 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:51:59,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:51:59,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 559 states to 113 states and 559 transitions. [2018-09-28 10:51:59,885 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 559 transitions. [2018-09-28 10:51:59,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-28 10:51:59,886 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:51:59,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:51:59,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:52:00,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:52:00,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 114 states and 561 transitions. [2018-09-28 10:52:00,524 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 561 transitions. [2018-09-28 10:52:00,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-28 10:52:00,525 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:52:00,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:52:00,590 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:52:01,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:52:01,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 116 states and 566 transitions. [2018-09-28 10:52:01,652 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 566 transitions. [2018-09-28 10:52:01,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-28 10:52:01,653 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:52:01,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:52:02,427 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:52:05,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:52:05,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 119 states and 579 transitions. [2018-09-28 10:52:05,984 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 579 transitions. [2018-09-28 10:52:05,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-28 10:52:05,985 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:52:05,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:52:06,600 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:52:08,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:52:08,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 121 states and 596 transitions. [2018-09-28 10:52:08,437 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 596 transitions. [2018-09-28 10:52:08,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-28 10:52:08,438 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:52:08,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:52:08,577 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:52:10,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:52:10,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 610 states to 123 states and 610 transitions. [2018-09-28 10:52:10,188 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 610 transitions. [2018-09-28 10:52:10,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-28 10:52:10,189 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:52:10,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:52:10,199 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:52:11,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:52:11,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 615 states to 125 states and 615 transitions. [2018-09-28 10:52:11,410 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 615 transitions. [2018-09-28 10:52:11,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-28 10:52:11,411 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:52:11,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:52:11,420 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-09-28 10:52:15,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:52:15,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 652 states to 129 states and 652 transitions. [2018-09-28 10:52:15,101 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 652 transitions. [2018-09-28 10:52:15,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-28 10:52:15,102 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:52:15,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:52:16,022 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:52:20,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:52:20,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 681 states to 132 states and 681 transitions. [2018-09-28 10:52:20,045 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 681 transitions. [2018-09-28 10:52:20,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-28 10:52:20,046 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:52:20,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:52:20,950 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:52:25,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:52:25,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 719 states to 136 states and 719 transitions. [2018-09-28 10:52:25,342 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 719 transitions. [2018-09-28 10:52:25,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-28 10:52:25,343 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:52:25,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:52:25,849 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:52:29,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:52:29,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 758 states to 140 states and 758 transitions. [2018-09-28 10:52:29,346 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 758 transitions. [2018-09-28 10:52:29,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-28 10:52:29,347 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:52:29,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:52:29,606 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-09-28 10:52:33,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:52:33,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 782 states to 143 states and 782 transitions. [2018-09-28 10:52:33,177 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 782 transitions. [2018-09-28 10:52:33,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-28 10:52:33,178 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:52:33,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:52:33,513 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:52:34,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:52:34,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 802 states to 144 states and 802 transitions. [2018-09-28 10:52:34,364 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 802 transitions. [2018-09-28 10:52:34,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-28 10:52:34,364 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:52:34,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:52:34,724 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:52:36,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:52:36,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 816 states to 147 states and 816 transitions. [2018-09-28 10:52:36,939 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 816 transitions. [2018-09-28 10:52:36,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-28 10:52:36,940 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:52:36,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:52:36,949 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:52:37,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:52:37,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 816 states to 148 states and 816 transitions. [2018-09-28 10:52:37,732 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 816 transitions. [2018-09-28 10:52:37,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-28 10:52:37,732 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:52:37,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:52:37,741 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:52:38,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:52:38,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 816 states to 149 states and 816 transitions. [2018-09-28 10:52:38,038 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 816 transitions. [2018-09-28 10:52:38,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-28 10:52:38,039 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:52:38,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:52:39,031 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:52:43,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:52:43,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 840 states to 153 states and 840 transitions. [2018-09-28 10:52:43,259 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 840 transitions. [2018-09-28 10:52:43,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-28 10:52:43,260 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:52:43,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:52:43,330 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:52:44,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:52:44,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 856 states to 154 states and 856 transitions. [2018-09-28 10:52:44,965 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 856 transitions. [2018-09-28 10:52:44,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-28 10:52:44,965 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:52:44,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:52:45,898 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:52:50,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:52:50,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 890 states to 158 states and 890 transitions. [2018-09-28 10:52:50,045 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 890 transitions. [2018-09-28 10:52:50,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-28 10:52:50,046 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:52:50,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:52:51,386 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:52:55,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:52:55,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 910 states to 161 states and 910 transitions. [2018-09-28 10:52:55,960 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 910 transitions. [2018-09-28 10:52:55,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-28 10:52:55,961 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:52:55,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:52:56,516 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:53:00,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:53:00,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 930 states to 164 states and 930 transitions. [2018-09-28 10:53:00,834 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 930 transitions. [2018-09-28 10:53:00,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-28 10:53:00,835 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:53:00,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:53:00,843 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:53:02,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:53:02,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 937 states to 166 states and 937 transitions. [2018-09-28 10:53:02,377 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 937 transitions. [2018-09-28 10:53:02,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-28 10:53:02,378 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:53:02,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:53:03,314 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:53:08,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:53:08,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 962 states to 169 states and 962 transitions. [2018-09-28 10:53:08,489 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 962 transitions. [2018-09-28 10:53:08,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-28 10:53:08,490 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:53:08,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:53:08,498 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-09-28 10:53:12,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:53:12,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 976 states to 172 states and 976 transitions. [2018-09-28 10:53:12,661 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 976 transitions. [2018-09-28 10:53:12,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-28 10:53:12,663 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:53:12,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:53:12,670 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-09-28 10:53:13,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:53:13,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 976 states to 173 states and 976 transitions. [2018-09-28 10:53:13,789 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 976 transitions. [2018-09-28 10:53:13,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-28 10:53:13,790 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:53:13,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:53:14,355 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:53:16,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:53:16,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 980 states to 175 states and 980 transitions. [2018-09-28 10:53:16,974 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 980 transitions. [2018-09-28 10:53:16,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-28 10:53:16,975 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:53:16,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:53:16,983 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-09-28 10:53:17,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:53:17,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1000 states to 176 states and 1000 transitions. [2018-09-28 10:53:17,949 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 1000 transitions. [2018-09-28 10:53:17,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-28 10:53:17,949 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:53:17,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:53:17,958 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:53:19,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:53:19,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1002 states to 177 states and 1002 transitions. [2018-09-28 10:53:19,021 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 1002 transitions. [2018-09-28 10:53:19,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-28 10:53:19,021 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:53:19,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:53:19,371 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:53:21,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:53:21,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1001 states to 177 states and 1001 transitions. [2018-09-28 10:53:21,952 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 1001 transitions. [2018-09-28 10:53:21,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-28 10:53:21,953 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:53:21,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:53:21,959 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:53:23,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:53:23,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1000 states to 177 states and 1000 transitions. [2018-09-28 10:53:23,266 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 1000 transitions. [2018-09-28 10:53:23,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-28 10:53:23,267 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:53:23,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:53:23,837 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:53:27,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:53:27,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1008 states to 178 states and 1008 transitions. [2018-09-28 10:53:27,392 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 1008 transitions. [2018-09-28 10:53:27,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-28 10:53:27,392 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:53:27,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:53:28,073 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:53:29,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:53:29,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1014 states to 179 states and 1014 transitions. [2018-09-28 10:53:29,617 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 1014 transitions. [2018-09-28 10:53:29,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-28 10:53:29,618 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:53:29,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:53:30,672 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:53:37,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:53:37,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1056 states to 184 states and 1056 transitions. [2018-09-28 10:53:37,564 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 1056 transitions. [2018-09-28 10:53:37,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-28 10:53:37,564 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:53:37,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:53:37,978 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:53:43,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:53:43,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1092 states to 188 states and 1092 transitions. [2018-09-28 10:53:43,785 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 1092 transitions. [2018-09-28 10:53:43,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-28 10:53:43,785 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:53:43,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:53:43,794 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:53:44,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:53:44,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1104 states to 189 states and 1104 transitions. [2018-09-28 10:53:44,879 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 1104 transitions. [2018-09-28 10:53:44,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-28 10:53:44,879 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:53:44,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:53:44,886 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:53:47,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:53:47,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1113 states to 190 states and 1113 transitions. [2018-09-28 10:53:47,504 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 1113 transitions. [2018-09-28 10:53:47,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-28 10:53:47,505 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:53:47,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:53:47,568 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:53:49,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:53:49,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1142 states to 193 states and 1142 transitions. [2018-09-28 10:53:49,603 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 1142 transitions. [2018-09-28 10:53:49,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-28 10:53:49,603 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:53:49,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:53:50,346 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:53:53,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:53:53,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1141 states to 193 states and 1141 transitions. [2018-09-28 10:53:53,510 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 1141 transitions. [2018-09-28 10:53:53,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-28 10:53:53,511 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:53:53,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:53:53,931 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:53:57,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:53:57,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1134 states to 194 states and 1134 transitions. [2018-09-28 10:53:57,626 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 1134 transitions. [2018-09-28 10:53:57,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-28 10:53:57,627 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:53:57,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:53:58,005 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:54:03,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:54:03,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1170 states to 199 states and 1170 transitions. [2018-09-28 10:54:03,794 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 1170 transitions. [2018-09-28 10:54:03,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-28 10:54:03,795 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:54:03,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:54:05,109 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:54:12,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:54:12,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1217 states to 204 states and 1217 transitions. [2018-09-28 10:54:12,616 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 1217 transitions. [2018-09-28 10:54:12,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-28 10:54:12,617 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:54:12,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:54:12,950 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:54:18,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:54:18,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1245 states to 208 states and 1245 transitions. [2018-09-28 10:54:18,667 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 1245 transitions. [2018-09-28 10:54:18,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-28 10:54:18,667 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:54:18,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:54:18,750 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:54:20,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:54:20,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1250 states to 210 states and 1250 transitions. [2018-09-28 10:54:20,645 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 1250 transitions. [2018-09-28 10:54:20,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-28 10:54:20,646 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:54:20,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:54:20,955 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:54:24,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:54:24,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1278 states to 213 states and 1278 transitions. [2018-09-28 10:54:24,988 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 1278 transitions. [2018-09-28 10:54:24,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-28 10:54:24,988 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:54:24,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:54:25,043 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:54:26,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:54:26,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1283 states to 214 states and 1283 transitions. [2018-09-28 10:54:26,302 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 1283 transitions. [2018-09-28 10:54:26,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-28 10:54:26,303 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:54:26,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:54:26,404 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:54:27,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:54:27,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1287 states to 215 states and 1287 transitions. [2018-09-28 10:54:27,641 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 1287 transitions. [2018-09-28 10:54:27,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-28 10:54:27,641 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:54:27,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:54:28,382 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:54:31,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:54:31,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1286 states to 215 states and 1286 transitions. [2018-09-28 10:54:31,392 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 1286 transitions. [2018-09-28 10:54:31,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-28 10:54:31,392 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:54:31,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:54:32,856 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:54:40,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:54:40,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1326 states to 220 states and 1326 transitions. [2018-09-28 10:54:40,318 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 1326 transitions. [2018-09-28 10:54:40,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-28 10:54:40,319 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:54:40,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:54:40,326 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:54:44,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:54:44,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1342 states to 223 states and 1342 transitions. [2018-09-28 10:54:44,149 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 1342 transitions. [2018-09-28 10:54:44,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-28 10:54:44,150 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:54:44,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:54:45,623 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:54:52,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:54:52,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1363 states to 226 states and 1363 transitions. [2018-09-28 10:54:52,251 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 1363 transitions. [2018-09-28 10:54:52,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-28 10:54:52,251 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:54:52,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:54:52,257 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-09-28 10:55:00,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:55:00,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1399 states to 231 states and 1399 transitions. [2018-09-28 10:55:00,072 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 1399 transitions. [2018-09-28 10:55:00,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-28 10:55:00,073 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:55:00,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:55:00,078 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-09-28 10:55:02,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:55:02,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1405 states to 233 states and 1405 transitions. [2018-09-28 10:55:02,484 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 1405 transitions. [2018-09-28 10:55:02,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-28 10:55:02,484 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:55:02,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:55:02,490 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-09-28 10:55:04,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:55:04,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1411 states to 235 states and 1411 transitions. [2018-09-28 10:55:04,875 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 1411 transitions. [2018-09-28 10:55:04,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-09-28 10:55:04,876 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:55:04,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:55:05,506 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:55:07,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:55:07,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1415 states to 236 states and 1415 transitions. [2018-09-28 10:55:07,303 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 1415 transitions. [2018-09-28 10:55:07,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-09-28 10:55:07,304 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:55:07,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:55:09,349 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:55:14,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:55:14,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1432 states to 239 states and 1432 transitions. [2018-09-28 10:55:14,670 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 1432 transitions. [2018-09-28 10:55:14,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-09-28 10:55:14,671 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:55:14,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:55:14,691 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:55:16,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:55:16,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1438 states to 240 states and 1438 transitions. [2018-09-28 10:55:16,229 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 1438 transitions. [2018-09-28 10:55:16,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-09-28 10:55:16,230 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:55:16,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:55:18,556 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:55:27,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:55:27,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1464 states to 245 states and 1464 transitions. [2018-09-28 10:55:27,339 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 1464 transitions. [2018-09-28 10:55:27,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-09-28 10:55:27,340 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:55:27,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:55:27,366 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:55:28,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:55:28,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1466 states to 246 states and 1466 transitions. [2018-09-28 10:55:28,582 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 1466 transitions. [2018-09-28 10:55:28,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-09-28 10:55:28,583 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:55:28,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:55:31,611 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... [2018-09-28 10:55:31,665 INFO L256 ToolchainWalker]: Toolchain cancelled while executing plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck. Reason: Timeout or Toolchain cancelled by user [2018-09-28 10:55:31,667 INFO L168 Benchmark]: Toolchain (without parser) took 257979.25 ms. Allocated memory was 1.5 GB in the beginning and 3.4 GB in the end (delta: 1.9 GB). Free memory was 1.5 GB in the beginning and 1.2 GB in the end (delta: 223.0 MB). Peak memory consumption was 2.1 GB. Max. memory is 7.1 GB. [2018-09-28 10:55:31,669 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. [2018-09-28 10:55:31,669 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.60 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. [2018-09-28 10:55:31,669 INFO L168 Benchmark]: Boogie Preprocessor took 26.41 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. [2018-09-28 10:55:31,670 INFO L168 Benchmark]: RCFGBuilder took 510.76 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: 19.0 MB). Peak memory consumption was 19.0 MB. Max. memory is 7.1 GB. [2018-09-28 10:55:31,671 INFO L168 Benchmark]: CodeCheck took 257390.02 ms. Allocated memory was 1.5 GB in the beginning and 3.4 GB in the end (delta: 1.9 GB). Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 204.0 MB). Peak memory consumption was 2.1 GB. Max. memory is 7.1 GB. [2018-09-28 10:55:31,675 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - TimeoutResult: Timeout (de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck) Toolchain cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 1142 known predicates. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.19 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 45.60 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 26.41 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 510.76 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: 19.0 MB). Peak memory consumption was 19.0 MB. Max. memory is 7.1 GB. * CodeCheck took 257390.02 ms. Allocated memory was 1.5 GB in the beginning and 3.4 GB in the end (delta: 1.9 GB). Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 204.0 MB). Peak memory consumption was 2.1 GB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/threadpooling_product.bpl_svcomp-Reach-32bit-Kojak_Default.epf_KojakBplInline.xml/Csv-Benchmark-0-2018-09-28_10-55-31-688.csv Completed graceful shutdown