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-c372c2b [2018-10-02 12:30:41,243 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-02 12:30:41,245 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-02 12:30:41,259 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-02 12:30:41,260 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-02 12:30:41,261 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-02 12:30:41,262 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-02 12:30:41,264 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-02 12:30:41,265 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-02 12:30:41,266 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-02 12:30:41,267 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-02 12:30:41,267 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-02 12:30:41,268 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-02 12:30:41,269 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-02 12:30:41,270 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-02 12:30:41,271 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-02 12:30:41,272 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-02 12:30:41,274 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-02 12:30:41,276 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-02 12:30:41,277 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-02 12:30:41,278 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-02 12:30:41,280 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-02 12:30:41,282 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-02 12:30:41,283 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-02 12:30:41,283 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-02 12:30:41,284 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-02 12:30:41,285 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-02 12:30:41,286 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-02 12:30:41,286 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-02 12:30:41,288 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-02 12:30:41,288 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-02 12:30:41,289 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-02 12:30:41,289 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-02 12:30:41,289 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-02 12:30:41,290 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-02 12:30:41,291 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-02 12:30:41,291 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 [2018-10-02 12:30:41,310 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-02 12:30:41,310 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-02 12:30:41,311 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-02 12:30:41,312 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-02 12:30:41,312 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-02 12:30:41,312 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-02 12:30:41,313 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-02 12:30:41,313 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-02 12:30:41,313 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-02 12:30:41,313 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-02 12:30:41,313 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-02 12:30:41,314 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-02 12:30:41,314 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-02 12:30:41,314 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-02 12:30:41,314 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-02 12:30:41,314 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-02 12:30:41,315 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-02 12:30:41,315 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-02 12:30:41,315 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-02 12:30:41,315 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-02 12:30:41,315 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-02 12:30:41,316 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-02 12:30:41,316 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-02 12:30:41,316 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-02 12:30:41,316 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-02 12:30:41,316 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-02 12:30:41,317 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-02 12:30:41,317 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-02 12:30:41,317 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-02 12:30:41,361 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-02 12:30:41,374 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-02 12:30:41,378 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-02 12:30:41,379 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-02 12:30:41,380 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-02 12:30:41,381 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/threadpooling_product.bpl [2018-10-02 12:30:41,381 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/threadpooling_product.bpl' [2018-10-02 12:30:41,435 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-02 12:30:41,438 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-02 12:30:41,439 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-02 12:30:41,439 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-02 12:30:41,440 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-02 12:30:41,460 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "threadpooling_product.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 12:30:41" (1/1) ... [2018-10-02 12:30:41,473 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "threadpooling_product.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 12:30:41" (1/1) ... [2018-10-02 12:30:41,478 WARN L165 Inliner]: Program contained no entry procedure! [2018-10-02 12:30:41,478 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-10-02 12:30:41,478 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-10-02 12:30:41,480 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-02 12:30:41,481 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-02 12:30:41,482 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-02 12:30:41,482 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-02 12:30:41,493 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "threadpooling_product.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 12:30:41" (1/1) ... [2018-10-02 12:30:41,494 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "threadpooling_product.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 12:30:41" (1/1) ... [2018-10-02 12:30:41,495 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "threadpooling_product.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 12:30:41" (1/1) ... [2018-10-02 12:30:41,495 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "threadpooling_product.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 12:30:41" (1/1) ... [2018-10-02 12:30:41,498 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "threadpooling_product.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 12:30:41" (1/1) ... [2018-10-02 12:30:41,502 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "threadpooling_product.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 12:30:41" (1/1) ... [2018-10-02 12:30:41,503 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "threadpooling_product.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 12:30:41" (1/1) ... [2018-10-02 12:30:41,504 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-02 12:30:41,505 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-02 12:30:41,505 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-02 12:30:41,505 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-02 12:30:41,506 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "threadpooling_product.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 12:30:41" (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 [2018-10-02 12:30:41,583 INFO L124 BoogieDeclarations]: Specification and implementation of procedure product given in one single declaration [2018-10-02 12:30:41,584 INFO L130 BoogieDeclarations]: Found specification of procedure product [2018-10-02 12:30:41,584 INFO L138 BoogieDeclarations]: Found implementation of procedure product [2018-10-02 12:30:42,167 INFO L337 CfgBuilder]: Using library mode [2018-10-02 12:30:42,168 INFO L202 PluginConnector]: Adding new model threadpooling_product.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.10 12:30:42 BoogieIcfgContainer [2018-10-02 12:30:42,168 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-02 12:30:42,169 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-02 12:30:42,169 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-02 12:30:42,181 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-02 12:30:42,181 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "threadpooling_product.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.10 12:30:42" (1/1) ... [2018-10-02 12:30:42,193 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-02 12:30:42,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:30:42,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 21 states and 33 transitions. [2018-10-02 12:30:42,234 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 33 transitions. [2018-10-02 12:30:42,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-10-02 12:30:42,237 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:30:42,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:30:42,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:30:42,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:30:42,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 25 states and 48 transitions. [2018-10-02 12:30:42,650 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 48 transitions. [2018-10-02 12:30:42,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-10-02 12:30:42,653 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:30:42,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:30:43,011 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:30:43,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:30:43,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 29 states and 66 transitions. [2018-10-02 12:30:43,618 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 66 transitions. [2018-10-02 12:30:43,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-10-02 12:30:43,620 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:30:43,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:30:43,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:30:45,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:30:45,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 35 states and 97 transitions. [2018-10-02 12:30:45,060 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 97 transitions. [2018-10-02 12:30:45,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-10-02 12:30:45,061 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:30:45,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:30:45,084 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:30:45,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:30:45,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 38 states and 105 transitions. [2018-10-02 12:30:45,444 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 105 transitions. [2018-10-02 12:30:45,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-10-02 12:30:45,445 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:30:45,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:30:45,686 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:30:46,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:30:46,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 44 states and 141 transitions. [2018-10-02 12:30:46,618 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 141 transitions. [2018-10-02 12:30:46,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-10-02 12:30:46,620 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:30:46,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:30:46,645 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:30:47,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:30:47,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 48 states and 167 transitions. [2018-10-02 12:30:47,097 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 167 transitions. [2018-10-02 12:30:47,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-10-02 12:30:47,099 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:30:47,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:30:47,119 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:30:47,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:30:47,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 49 states and 176 transitions. [2018-10-02 12:30:47,308 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 176 transitions. [2018-10-02 12:30:47,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-10-02 12:30:47,310 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:30:47,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:30:47,433 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:30:47,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:30:47,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 50 states and 188 transitions. [2018-10-02 12:30:47,749 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 188 transitions. [2018-10-02 12:30:47,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-10-02 12:30:47,751 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:30:47,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:30:47,892 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:30:48,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:30:48,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 51 states and 191 transitions. [2018-10-02 12:30:48,322 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 191 transitions. [2018-10-02 12:30:48,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-10-02 12:30:48,323 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:30:48,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:30:48,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:30:48,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:30:48,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 52 states and 193 transitions. [2018-10-02 12:30:48,370 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 193 transitions. [2018-10-02 12:30:48,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-10-02 12:30:48,371 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:30:48,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:30:48,431 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:30:49,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:30:49,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 56 states and 209 transitions. [2018-10-02 12:30:49,075 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 209 transitions. [2018-10-02 12:30:49,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-02 12:30:49,076 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:30:49,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:30:49,220 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:30:49,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:30:49,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 57 states and 220 transitions. [2018-10-02 12:30:49,897 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 220 transitions. [2018-10-02 12:30:49,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-02 12:30:49,898 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:30:49,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:30:50,254 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:30:51,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:30:51,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 58 states and 231 transitions. [2018-10-02 12:30:51,074 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 231 transitions. [2018-10-02 12:30:51,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-10-02 12:30:51,076 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:30:51,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:30:51,324 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:30:51,823 WARN L178 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 19 [2018-10-02 12:30:54,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:30:54,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 61 states and 250 transitions. [2018-10-02 12:30:54,034 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 250 transitions. [2018-10-02 12:30:54,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-10-02 12:30:54,035 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:30:54,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:30:54,197 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-02 12:30:55,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:30:55,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 63 states and 264 transitions. [2018-10-02 12:30:55,046 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 264 transitions. [2018-10-02 12:30:55,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-10-02 12:30:55,047 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:30:55,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:30:55,158 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-02 12:30:55,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:30:55,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 64 states and 266 transitions. [2018-10-02 12:30:55,836 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 266 transitions. [2018-10-02 12:30:55,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-10-02 12:30:55,837 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:30:55,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:30:55,941 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:30:56,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:30:56,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 66 states and 274 transitions. [2018-10-02 12:30:56,981 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 274 transitions. [2018-10-02 12:30:56,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-02 12:30:56,981 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:30:56,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:30:57,364 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:30:58,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:30:58,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 69 states and 297 transitions. [2018-10-02 12:30:58,766 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 297 transitions. [2018-10-02 12:30:58,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-02 12:30:58,767 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:30:58,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:30:58,913 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:31:00,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:31:00,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 72 states and 315 transitions. [2018-10-02 12:31:00,144 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 315 transitions. [2018-10-02 12:31:00,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-02 12:31:00,145 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:31:00,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:31:00,193 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:31:01,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:31:01,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 74 states and 320 transitions. [2018-10-02 12:31:01,094 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 320 transitions. [2018-10-02 12:31:01,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-02 12:31:01,095 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:31:01,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:31:01,340 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:31:02,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:31:02,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 78 states and 337 transitions. [2018-10-02 12:31:02,749 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 337 transitions. [2018-10-02 12:31:02,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-02 12:31:02,750 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:31:02,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:31:03,152 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:31:06,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:31:06,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 84 states and 366 transitions. [2018-10-02 12:31:06,297 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 366 transitions. [2018-10-02 12:31:06,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-02 12:31:06,298 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:31:06,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:31:06,823 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:31:08,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:31:08,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 88 states and 391 transitions. [2018-10-02 12:31:08,594 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 391 transitions. [2018-10-02 12:31:08,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-02 12:31:08,595 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:31:08,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:31:08,605 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:31:09,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:31:09,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 89 states and 399 transitions. [2018-10-02 12:31:09,612 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 399 transitions. [2018-10-02 12:31:09,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-02 12:31:09,612 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:31:09,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:31:09,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:31:11,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:31:11,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 91 states and 408 transitions. [2018-10-02 12:31:11,117 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 408 transitions. [2018-10-02 12:31:11,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-02 12:31:11,118 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:31:11,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:31:11,127 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:31:12,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:31:12,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 94 states and 420 transitions. [2018-10-02 12:31:12,397 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 420 transitions. [2018-10-02 12:31:12,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-02 12:31:12,397 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:31:12,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:31:12,407 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:31:13,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:31:13,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 97 states and 439 transitions. [2018-10-02 12:31:13,949 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 439 transitions. [2018-10-02 12:31:13,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-02 12:31:13,950 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:31:13,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:31:14,379 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:31:17,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:31:17,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 101 states and 459 transitions. [2018-10-02 12:31:17,177 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 459 transitions. [2018-10-02 12:31:17,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-02 12:31:17,179 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:31:17,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:31:17,700 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:31:20,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:31:20,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 106 states and 494 transitions. [2018-10-02 12:31:20,832 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 494 transitions. [2018-10-02 12:31:20,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-02 12:31:20,832 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:31:20,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:31:21,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:31:23,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:31:23,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 109 states and 511 transitions. [2018-10-02 12:31:23,972 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 511 transitions. [2018-10-02 12:31:23,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-02 12:31:23,973 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:31:23,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:31:24,178 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:31:24,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:31:24,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 110 states and 513 transitions. [2018-10-02 12:31:24,715 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 513 transitions. [2018-10-02 12:31:24,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-02 12:31:24,716 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:31:24,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:31:25,456 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:31:29,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:31:29,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 116 states and 543 transitions. [2018-10-02 12:31:29,904 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 543 transitions. [2018-10-02 12:31:29,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-02 12:31:29,905 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:31:29,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:31:29,973 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:31:31,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:31:31,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 548 states to 118 states and 548 transitions. [2018-10-02 12:31:31,028 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 548 transitions. [2018-10-02 12:31:31,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-02 12:31:31,029 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:31:31,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:31:31,802 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:31:33,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:31:33,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 120 states and 564 transitions. [2018-10-02 12:31:33,527 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 564 transitions. [2018-10-02 12:31:33,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-02 12:31:33,529 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:31:33,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:31:33,612 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:31:34,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:31:34,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 122 states and 577 transitions. [2018-10-02 12:31:34,850 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 577 transitions. [2018-10-02 12:31:34,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-02 12:31:34,851 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:31:34,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:31:34,861 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:31:36,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:31:36,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 582 states to 124 states and 582 transitions. [2018-10-02 12:31:36,070 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 582 transitions. [2018-10-02 12:31:36,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-02 12:31:36,071 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:31:36,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:31:36,081 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-10-02 12:31:40,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:31:40,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 128 states and 619 transitions. [2018-10-02 12:31:40,021 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 619 transitions. [2018-10-02 12:31:40,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-02 12:31:40,021 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:31:40,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:31:40,851 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:31:45,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:31:45,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 647 states to 131 states and 647 transitions. [2018-10-02 12:31:45,039 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 647 transitions. [2018-10-02 12:31:45,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-02 12:31:45,040 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:31:45,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:31:45,981 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:31:49,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:31:49,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 678 states to 134 states and 678 transitions. [2018-10-02 12:31:49,581 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 678 transitions. [2018-10-02 12:31:49,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-02 12:31:49,582 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:31:49,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:31:49,885 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:31:50,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:31:50,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 678 states to 135 states and 678 transitions. [2018-10-02 12:31:50,034 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 678 transitions. [2018-10-02 12:31:50,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-02 12:31:50,035 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:31:50,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:31:50,867 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:31:54,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:31:54,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 722 states to 140 states and 722 transitions. [2018-10-02 12:31:54,938 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 722 transitions. [2018-10-02 12:31:54,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-02 12:31:54,938 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:31:54,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:31:55,174 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:31:55,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:31:55,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 743 states to 141 states and 743 transitions. [2018-10-02 12:31:55,972 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 743 transitions. [2018-10-02 12:31:55,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-02 12:31:55,973 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:31:55,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:31:56,260 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:31:57,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:31:57,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 755 states to 142 states and 755 transitions. [2018-10-02 12:31:57,250 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 755 transitions. [2018-10-02 12:31:57,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-02 12:31:57,250 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:31:57,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:31:57,508 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-10-02 12:31:59,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:31:59,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 756 states to 143 states and 756 transitions. [2018-10-02 12:31:59,414 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 756 transitions. [2018-10-02 12:31:59,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-02 12:31:59,415 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:31:59,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:31:59,473 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:32:01,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:32:01,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 782 states to 145 states and 782 transitions. [2018-10-02 12:32:01,003 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 782 transitions. [2018-10-02 12:32:01,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-02 12:32:01,004 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:32:01,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:32:01,012 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-10-02 12:32:02,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:32:02,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 785 states to 146 states and 785 transitions. [2018-10-02 12:32:02,651 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 785 transitions. [2018-10-02 12:32:02,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-02 12:32:02,651 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:32:02,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:32:03,014 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:32:05,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:32:05,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 799 states to 149 states and 799 transitions. [2018-10-02 12:32:05,020 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 799 transitions. [2018-10-02 12:32:05,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-02 12:32:05,021 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:32:05,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:32:05,029 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:32:05,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:32:05,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 799 states to 150 states and 799 transitions. [2018-10-02 12:32:05,044 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 799 transitions. [2018-10-02 12:32:05,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-02 12:32:05,045 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:32:05,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:32:05,857 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:32:10,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:32:10,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 827 states to 155 states and 827 transitions. [2018-10-02 12:32:10,219 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 827 transitions. [2018-10-02 12:32:10,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-02 12:32:10,220 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:32:10,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:32:10,856 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:32:14,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:32:14,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 859 states to 159 states and 859 transitions. [2018-10-02 12:32:14,899 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 859 transitions. [2018-10-02 12:32:14,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-02 12:32:14,900 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:32:14,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:32:16,043 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:32:20,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:32:20,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 880 states to 162 states and 880 transitions. [2018-10-02 12:32:20,667 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 880 transitions. [2018-10-02 12:32:20,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-02 12:32:20,667 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:32:20,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:32:21,196 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:32:25,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:32:25,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 897 states to 165 states and 897 transitions. [2018-10-02 12:32:25,191 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 897 transitions. [2018-10-02 12:32:25,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-02 12:32:25,191 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:32:25,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:32:25,205 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:32:27,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:32:27,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 906 states to 167 states and 906 transitions. [2018-10-02 12:32:27,139 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 906 transitions. [2018-10-02 12:32:27,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-02 12:32:27,140 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:32:27,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:32:28,229 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:32:33,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:32:33,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 932 states to 170 states and 932 transitions. [2018-10-02 12:32:33,232 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 932 transitions. [2018-10-02 12:32:33,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-02 12:32:33,232 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:32:33,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:32:33,240 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-10-02 12:32:35,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:32:35,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 939 states to 172 states and 939 transitions. [2018-10-02 12:32:35,201 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 939 transitions. [2018-10-02 12:32:35,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-02 12:32:35,201 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:32:35,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:32:35,209 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-10-02 12:32:36,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:32:36,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 959 states to 173 states and 959 transitions. [2018-10-02 12:32:36,280 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 959 transitions. [2018-10-02 12:32:36,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-02 12:32:36,281 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:32:36,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:32:36,657 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:32:39,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:32:39,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 966 states to 175 states and 966 transitions. [2018-10-02 12:32:39,188 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 966 transitions. [2018-10-02 12:32:39,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-02 12:32:39,189 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:32:39,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:32:39,197 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-10-02 12:32:41,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:32:41,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 976 states to 176 states and 976 transitions. [2018-10-02 12:32:41,034 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 976 transitions. [2018-10-02 12:32:41,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-02 12:32:41,035 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:32:41,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:32:41,882 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:32:44,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:32:44,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1002 states to 178 states and 1002 transitions. [2018-10-02 12:32:44,652 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 1002 transitions. [2018-10-02 12:32:44,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-02 12:32:44,652 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:32:44,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:32:44,659 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-10-02 12:32:45,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:32:45,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1002 states to 179 states and 1002 transitions. [2018-10-02 12:32:45,486 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 1002 transitions. [2018-10-02 12:32:45,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-02 12:32:45,486 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:32:45,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:32:46,091 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:32:48,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:32:48,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1005 states to 181 states and 1005 transitions. [2018-10-02 12:32:48,617 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 1005 transitions. [2018-10-02 12:32:48,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-02 12:32:48,618 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:32:48,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:32:48,994 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:32:51,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:32:51,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1004 states to 181 states and 1004 transitions. [2018-10-02 12:32:51,638 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 1004 transitions. [2018-10-02 12:32:51,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-02 12:32:51,639 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:32:51,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:32:51,647 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:32:53,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:32:53,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1003 states to 181 states and 1003 transitions. [2018-10-02 12:32:53,804 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 1003 transitions. [2018-10-02 12:32:53,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-02 12:32:53,805 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:32:53,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:32:54,361 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:32:57,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:32:57,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1013 states to 182 states and 1013 transitions. [2018-10-02 12:32:57,659 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 1013 transitions. [2018-10-02 12:32:57,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-02 12:32:57,659 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:32:57,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:32:57,997 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:33:03,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:33:03,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1048 states to 187 states and 1048 transitions. [2018-10-02 12:33:03,735 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 1048 transitions. [2018-10-02 12:33:03,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-02 12:33:03,736 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:33:03,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:33:03,772 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:33:04,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:33:04,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1061 states to 188 states and 1061 transitions. [2018-10-02 12:33:04,969 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 1061 transitions. [2018-10-02 12:33:04,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-02 12:33:04,970 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:33:04,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:33:04,977 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:33:08,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:33:08,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1078 states to 190 states and 1078 transitions. [2018-10-02 12:33:08,389 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 1078 transitions. [2018-10-02 12:33:08,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-02 12:33:08,390 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:33:08,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:33:08,509 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:33:09,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:33:09,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1091 states to 191 states and 1091 transitions. [2018-10-02 12:33:09,932 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 1091 transitions. [2018-10-02 12:33:09,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-02 12:33:09,933 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:33:09,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:33:11,204 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:33:16,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:33:16,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1121 states to 194 states and 1121 transitions. [2018-10-02 12:33:16,731 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 1121 transitions. [2018-10-02 12:33:16,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-02 12:33:16,732 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:33:16,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:33:16,738 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:33:17,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:33:17,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1129 states to 195 states and 1129 transitions. [2018-10-02 12:33:17,957 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 1129 transitions. [2018-10-02 12:33:17,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-02 12:33:17,957 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:33:17,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:33:18,021 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:33:21,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:33:21,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1158 states to 198 states and 1158 transitions. [2018-10-02 12:33:21,270 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 1158 transitions. [2018-10-02 12:33:21,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-02 12:33:21,271 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:33:21,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:33:22,024 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:33:25,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:33:25,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1157 states to 198 states and 1157 transitions. [2018-10-02 12:33:25,022 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 1157 transitions. [2018-10-02 12:33:25,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-02 12:33:25,023 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:33:25,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:33:25,386 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:33:28,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:33:28,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1153 states to 200 states and 1153 transitions. [2018-10-02 12:33:28,906 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 1153 transitions. [2018-10-02 12:33:28,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-02 12:33:28,906 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:33:28,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:33:29,785 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:33:32,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:33:32,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1152 states to 200 states and 1152 transitions. [2018-10-02 12:33:32,966 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 1152 transitions. [2018-10-02 12:33:32,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-02 12:33:32,966 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:33:32,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:33:34,415 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:33:41,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:33:41,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1198 states to 205 states and 1198 transitions. [2018-10-02 12:33:41,624 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 1198 transitions. [2018-10-02 12:33:41,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-02 12:33:41,625 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:33:41,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:33:42,038 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:33:48,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:33:48,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1237 states to 210 states and 1237 transitions. [2018-10-02 12:33:48,132 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 1237 transitions. [2018-10-02 12:33:48,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-02 12:33:48,132 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:33:48,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:33:48,201 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:33:54,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:33:54,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1270 states to 214 states and 1270 transitions. [2018-10-02 12:33:54,676 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 1270 transitions. [2018-10-02 12:33:54,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-02 12:33:54,677 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:33:54,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:33:55,657 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:33:57,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:33:57,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1280 states to 215 states and 1280 transitions. [2018-10-02 12:33:57,564 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 1280 transitions. [2018-10-02 12:33:57,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-02 12:33:57,565 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:33:57,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:33:57,745 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:34:00,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:34:00,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1284 states to 217 states and 1284 transitions. [2018-10-02 12:34:00,166 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 1284 transitions. [2018-10-02 12:34:00,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-02 12:34:00,167 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:34:00,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:34:00,248 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:34:01,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:34:01,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1289 states to 218 states and 1289 transitions. [2018-10-02 12:34:01,399 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 1289 transitions. [2018-10-02 12:34:01,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-02 12:34:01,399 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:34:01,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:34:02,006 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:34:05,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:34:05,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1288 states to 218 states and 1288 transitions. [2018-10-02 12:34:05,154 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 1288 transitions. [2018-10-02 12:34:05,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-02 12:34:05,155 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:34:05,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:34:06,586 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:34:14,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:34:14,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1325 states to 223 states and 1325 transitions. [2018-10-02 12:34:14,028 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 1325 transitions. [2018-10-02 12:34:14,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-02 12:34:14,028 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:34:14,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:34:14,035 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:34:17,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:34:17,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1341 states to 226 states and 1341 transitions. [2018-10-02 12:34:17,845 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 1341 transitions. [2018-10-02 12:34:17,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-02 12:34:17,846 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:34:17,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:34:18,371 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:34:24,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:34:24,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1361 states to 229 states and 1361 transitions. [2018-10-02 12:34:24,357 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 1361 transitions. [2018-10-02 12:34:24,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-02 12:34:24,358 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:34:24,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:34:24,363 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-10-02 12:34:32,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:34:32,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1395 states to 234 states and 1395 transitions. [2018-10-02 12:34:32,042 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 1395 transitions. [2018-10-02 12:34:32,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-02 12:34:32,043 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:34:32,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:34:32,049 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-10-02 12:34:34,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:34:34,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1403 states to 236 states and 1403 transitions. [2018-10-02 12:34:34,736 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 1403 transitions. [2018-10-02 12:34:34,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-02 12:34:34,736 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:34:34,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:34:34,742 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-10-02 12:34:37,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:34:37,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1409 states to 238 states and 1409 transitions. [2018-10-02 12:34:37,138 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 1409 transitions. [2018-10-02 12:34:37,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-02 12:34:37,139 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:34:37,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:34:37,744 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:34:39,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:34:39,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1416 states to 239 states and 1416 transitions. [2018-10-02 12:34:39,398 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 1416 transitions. [2018-10-02 12:34:39,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-02 12:34:39,398 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:34:39,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:34:39,506 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:34:42,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:34:42,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1430 states to 241 states and 1430 transitions. [2018-10-02 12:34:42,041 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 1430 transitions. [2018-10-02 12:34:42,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-02 12:34:42,042 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:34:42,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:34:43,705 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:34:48,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:34:48,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1442 states to 243 states and 1442 transitions. [2018-10-02 12:34:48,047 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 1442 transitions. [2018-10-02 12:34:48,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-02 12:34:48,048 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:34:48,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:34:48,277 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:34:49,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:34:49,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1448 states to 244 states and 1448 transitions. [2018-10-02 12:34:49,709 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 1448 transitions. [2018-10-02 12:34:49,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-02 12:34:49,710 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:34:49,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:34:49,740 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:34:51,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:34:51,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1452 states to 245 states and 1452 transitions. [2018-10-02 12:34:51,302 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 1452 transitions. [2018-10-02 12:34:51,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-02 12:34:51,303 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:34:51,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:34:53,511 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. Received shutdown request... [2018-10-02 12:34:58,666 INFO L256 ToolchainWalker]: Toolchain cancelled while executing plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck. Reason: Timeout or Toolchain cancelled by user [2018-10-02 12:34:58,669 INFO L168 Benchmark]: Toolchain (without parser) took 257233.04 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 1.1 GB in the end (delta: 341.7 MB). Peak memory consumption was 2.2 GB. Max. memory is 7.1 GB. [2018-10-02 12:34:58,670 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.22 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. [2018-10-02 12:34:58,671 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.76 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. [2018-10-02 12:34:58,671 INFO L168 Benchmark]: Boogie Preprocessor took 23.19 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. [2018-10-02 12:34:58,671 INFO L168 Benchmark]: RCFGBuilder took 663.46 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. [2018-10-02 12:34:58,672 INFO L168 Benchmark]: CodeCheck took 256498.87 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 1.1 GB in the end (delta: 320.5 MB). Peak memory consumption was 2.2 GB. Max. memory is 7.1 GB. [2018-10-02 12:34:58,676 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 1146 known predicates. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 41.76 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 23.19 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. * RCFGBuilder took 663.46 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 256498.87 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 1.1 GB in the end (delta: 320.5 MB). Peak memory consumption was 2.2 GB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/threadpooling_product.bpl_svcomp-Reach-32bit-Kojak_Default.epf_KojakBplInline.xml/Csv-Benchmark-0-2018-10-02_12-34-58-687.csv Completed graceful shutdown