java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data --generate-csv --csv-dir csv -tc ../../../trunk/examples/toolchains/KojakBplInline.xml -s ../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Kojak_Default_PUPT.epf -i ../../../trunk/examples/programs/real-life/threadpooling_product.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-9f4048f-m [2018-10-04 14:42:40,226 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-04 14:42:40,228 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-04 14:42:40,240 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-04 14:42:40,241 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-04 14:42:40,242 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-04 14:42:40,244 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-04 14:42:40,249 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-04 14:42:40,251 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-04 14:42:40,253 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-04 14:42:40,254 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-04 14:42:40,254 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-04 14:42:40,255 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-04 14:42:40,256 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-04 14:42:40,259 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-04 14:42:40,259 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-04 14:42:40,261 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-04 14:42:40,265 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-04 14:42:40,271 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-04 14:42:40,275 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-04 14:42:40,278 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-04 14:42:40,279 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-04 14:42:40,281 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-04 14:42:40,281 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-04 14:42:40,281 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-04 14:42:40,282 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-04 14:42:40,283 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-04 14:42:40,284 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-04 14:42:40,285 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-04 14:42:40,286 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-04 14:42:40,286 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-04 14:42:40,287 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-04 14:42:40,287 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-04 14:42:40,287 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-04 14:42:40,288 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-04 14:42:40,289 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-04 14:42:40,289 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Kojak_Default_PUPT.epf [2018-10-04 14:42:40,313 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-04 14:42:40,313 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-04 14:42:40,314 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-04 14:42:40,315 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-04 14:42:40,315 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-04 14:42:40,315 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-04 14:42:40,316 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-04 14:42:40,316 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-04 14:42:40,316 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-04 14:42:40,316 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-04 14:42:40,316 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-04 14:42:40,317 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-04 14:42:40,317 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-04 14:42:40,317 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-04 14:42:40,317 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-04 14:42:40,317 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-04 14:42:40,317 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-04 14:42:40,318 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-04 14:42:40,318 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-04 14:42:40,318 INFO L133 SettingsManager]: * Use predicate trie based predicate unification=true [2018-10-04 14:42:40,318 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-04 14:42:40,318 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-04 14:42:40,319 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-04 14:42:40,319 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-04 14:42:40,319 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-04 14:42:40,319 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-04 14:42:40,319 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-04 14:42:40,320 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-04 14:42:40,320 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-04 14:42:40,320 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-04 14:42:40,366 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-04 14:42:40,379 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-04 14:42:40,383 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-04 14:42:40,385 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-04 14:42:40,385 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-04 14:42:40,386 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/threadpooling_product.bpl [2018-10-04 14:42:40,386 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/threadpooling_product.bpl' [2018-10-04 14:42:40,440 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-04 14:42:40,442 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-04 14:42:40,443 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-04 14:42:40,443 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-04 14:42:40,443 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-04 14:42:40,465 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "threadpooling_product.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 02:42:40" (1/1) ... [2018-10-04 14:42:40,479 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "threadpooling_product.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 02:42:40" (1/1) ... [2018-10-04 14:42:40,484 WARN L165 Inliner]: Program contained no entry procedure! [2018-10-04 14:42:40,484 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-10-04 14:42:40,484 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-10-04 14:42:40,486 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-04 14:42:40,487 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-04 14:42:40,487 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-04 14:42:40,488 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-04 14:42:40,499 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "threadpooling_product.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 02:42:40" (1/1) ... [2018-10-04 14:42:40,500 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "threadpooling_product.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 02:42:40" (1/1) ... [2018-10-04 14:42:40,501 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "threadpooling_product.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 02:42:40" (1/1) ... [2018-10-04 14:42:40,501 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "threadpooling_product.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 02:42:40" (1/1) ... [2018-10-04 14:42:40,504 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "threadpooling_product.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 02:42:40" (1/1) ... [2018-10-04 14:42:40,508 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "threadpooling_product.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 02:42:40" (1/1) ... [2018-10-04 14:42:40,509 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "threadpooling_product.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 02:42:40" (1/1) ... [2018-10-04 14:42:40,510 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-04 14:42:40,511 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-04 14:42:40,511 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-04 14:42:40,511 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-04 14:42:40,512 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "threadpooling_product.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 02:42:40" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-04 14:42:40,590 INFO L124 BoogieDeclarations]: Specification and implementation of procedure product given in one single declaration [2018-10-04 14:42:40,590 INFO L130 BoogieDeclarations]: Found specification of procedure product [2018-10-04 14:42:40,591 INFO L138 BoogieDeclarations]: Found implementation of procedure product [2018-10-04 14:42:41,049 INFO L338 CfgBuilder]: Using library mode [2018-10-04 14:42:41,050 INFO L202 PluginConnector]: Adding new model threadpooling_product.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 02:42:41 BoogieIcfgContainer [2018-10-04 14:42:41,050 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-04 14:42:41,051 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-04 14:42:41,051 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-04 14:42:41,062 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-04 14:42:41,063 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "threadpooling_product.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 02:42:41" (1/1) ... [2018-10-04 14:42:41,076 INFO L108 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-10-04 14:42:41,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:42:41,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 21 states and 33 transitions. [2018-10-04 14:42:41,114 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 33 transitions. [2018-10-04 14:42:41,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-10-04 14:42:41,118 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:42:41,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:42:41,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:42:41,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:42:41,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 25 states and 48 transitions. [2018-10-04 14:42:41,995 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 48 transitions. [2018-10-04 14:42:41,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-10-04 14:42:42,000 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:42:42,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:42:42,101 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:42:43,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:42:43,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 29 states and 66 transitions. [2018-10-04 14:42:43,304 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 66 transitions. [2018-10-04 14:42:43,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-10-04 14:42:43,305 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:42:43,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:42:43,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:42:45,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:42:45,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 35 states and 97 transitions. [2018-10-04 14:42:45,064 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 97 transitions. [2018-10-04 14:42:45,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-10-04 14:42:45,065 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:42:45,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:42:45,160 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:42:46,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:42:46,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 38 states and 105 transitions. [2018-10-04 14:42:46,254 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 105 transitions. [2018-10-04 14:42:46,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-10-04 14:42:46,256 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:42:46,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:42:46,321 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:42:46,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:42:46,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 42 states and 126 transitions. [2018-10-04 14:42:46,869 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 126 transitions. [2018-10-04 14:42:46,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-10-04 14:42:46,872 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:42:46,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:42:47,218 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:42:48,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:42:48,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 48 states and 167 transitions. [2018-10-04 14:42:48,730 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 167 transitions. [2018-10-04 14:42:48,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-10-04 14:42:48,732 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:42:48,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:42:48,817 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:42:50,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:42:50,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 49 states and 176 transitions. [2018-10-04 14:42:50,503 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 176 transitions. [2018-10-04 14:42:50,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-10-04 14:42:50,504 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:42:50,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:42:50,601 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:42:51,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:42:51,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 50 states and 186 transitions. [2018-10-04 14:42:51,348 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 186 transitions. [2018-10-04 14:42:51,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-10-04 14:42:51,349 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:42:51,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:42:51,441 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:42:52,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:42:52,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 51 states and 191 transitions. [2018-10-04 14:42:52,141 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 191 transitions. [2018-10-04 14:42:52,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-10-04 14:42:52,145 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:42:52,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:42:52,180 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:42:52,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:42:52,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 52 states and 194 transitions. [2018-10-04 14:42:52,365 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 194 transitions. [2018-10-04 14:42:52,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-10-04 14:42:52,366 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:42:52,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:42:52,460 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:42:53,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:42:53,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 56 states and 209 transitions. [2018-10-04 14:42:53,220 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 209 transitions. [2018-10-04 14:42:53,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-04 14:42:53,221 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:42:53,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:42:53,345 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:42:54,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:42:54,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 57 states and 220 transitions. [2018-10-04 14:42:54,199 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 220 transitions. [2018-10-04 14:42:54,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-04 14:42:54,200 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:42:54,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:42:54,322 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:42:55,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:42:55,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 58 states and 231 transitions. [2018-10-04 14:42:55,059 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 231 transitions. [2018-10-04 14:42:55,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-10-04 14:42:55,060 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:42:55,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:42:55,242 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:42:56,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:42:56,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 61 states and 250 transitions. [2018-10-04 14:42:56,933 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 250 transitions. [2018-10-04 14:42:56,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-10-04 14:42:56,934 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:42:56,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:42:57,151 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:42:58,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:42:58,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 63 states and 276 transitions. [2018-10-04 14:42:58,797 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 276 transitions. [2018-10-04 14:42:58,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-10-04 14:42:58,798 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:42:58,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:42:58,944 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-04 14:43:00,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:43:00,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 65 states and 291 transitions. [2018-10-04 14:43:00,137 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 291 transitions. [2018-10-04 14:43:00,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-10-04 14:43:00,139 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:43:00,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:43:00,255 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-04 14:43:01,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:43:01,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 66 states and 293 transitions. [2018-10-04 14:43:01,425 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 293 transitions. [2018-10-04 14:43:01,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-10-04 14:43:01,426 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:43:01,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:43:01,527 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:43:02,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:43:02,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 68 states and 301 transitions. [2018-10-04 14:43:02,955 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 301 transitions. [2018-10-04 14:43:02,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-04 14:43:02,956 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:43:02,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:43:03,231 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:43:05,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:43:05,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 71 states and 325 transitions. [2018-10-04 14:43:05,475 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 325 transitions. [2018-10-04 14:43:05,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-04 14:43:05,476 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:43:05,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:43:05,566 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:43:07,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:43:07,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 74 states and 344 transitions. [2018-10-04 14:43:07,854 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 344 transitions. [2018-10-04 14:43:07,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-04 14:43:07,855 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:43:07,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:43:07,901 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:43:09,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:43:09,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 76 states and 349 transitions. [2018-10-04 14:43:09,300 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 349 transitions. [2018-10-04 14:43:09,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-04 14:43:09,301 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:43:09,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:43:09,569 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:43:11,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:43:11,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 80 states and 366 transitions. [2018-10-04 14:43:11,253 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 366 transitions. [2018-10-04 14:43:11,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-04 14:43:11,254 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:43:11,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:43:11,590 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:43:14,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:43:14,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 86 states and 394 transitions. [2018-10-04 14:43:14,393 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 394 transitions. [2018-10-04 14:43:14,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-04 14:43:14,394 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:43:14,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:43:14,756 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:43:16,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:43:16,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 90 states and 419 transitions. [2018-10-04 14:43:16,813 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 419 transitions. [2018-10-04 14:43:16,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-04 14:43:16,814 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:43:16,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:43:16,914 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:43:18,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:43:18,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 91 states and 427 transitions. [2018-10-04 14:43:18,033 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 427 transitions. [2018-10-04 14:43:18,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-04 14:43:18,034 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:43:18,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:43:18,210 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:43:19,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:43:19,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 93 states and 436 transitions. [2018-10-04 14:43:19,184 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 436 transitions. [2018-10-04 14:43:19,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-04 14:43:19,185 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:43:19,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:43:19,736 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:43:22,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:43:22,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 98 states and 474 transitions. [2018-10-04 14:43:22,960 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 474 transitions. [2018-10-04 14:43:22,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-04 14:43:22,960 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:43:22,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:43:23,336 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:43:27,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:43:27,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 104 states and 514 transitions. [2018-10-04 14:43:27,804 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 514 transitions. [2018-10-04 14:43:27,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-04 14:43:27,805 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:43:27,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:43:28,108 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:43:31,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:43:31,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 108 states and 528 transitions. [2018-10-04 14:43:31,477 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 528 transitions. [2018-10-04 14:43:31,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-04 14:43:31,478 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:43:31,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:43:32,287 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:43:33,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:43:33,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 109 states and 539 transitions. [2018-10-04 14:43:33,442 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 539 transitions. [2018-10-04 14:43:33,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-04 14:43:33,443 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:43:33,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:43:33,488 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:43:35,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:43:35,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 112 states and 563 transitions. [2018-10-04 14:43:35,998 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 563 transitions. [2018-10-04 14:43:35,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-04 14:43:35,998 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:43:36,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:43:36,448 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:43:39,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:43:39,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 578 states to 115 states and 578 transitions. [2018-10-04 14:43:39,574 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 578 transitions. [2018-10-04 14:43:39,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-04 14:43:39,575 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:43:39,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:43:39,590 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:43:41,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:43:41,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 585 states to 117 states and 585 transitions. [2018-10-04 14:43:41,464 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 585 transitions. [2018-10-04 14:43:41,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-04 14:43:41,465 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:43:41,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:43:41,614 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:43:42,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:43:42,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 118 states and 593 transitions. [2018-10-04 14:43:42,791 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 593 transitions. [2018-10-04 14:43:42,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-04 14:43:42,791 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:43:42,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:43:43,218 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:43:45,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:43:45,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 609 states to 120 states and 609 transitions. [2018-10-04 14:43:45,216 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 609 transitions. [2018-10-04 14:43:45,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-04 14:43:45,217 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:43:45,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:43:45,357 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:43:47,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:43:47,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 624 states to 122 states and 624 transitions. [2018-10-04 14:43:47,339 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 624 transitions. [2018-10-04 14:43:47,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-04 14:43:47,340 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:43:47,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:43:47,485 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:43:50,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:43:50,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 630 states to 124 states and 630 transitions. [2018-10-04 14:43:50,128 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 630 transitions. [2018-10-04 14:43:50,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-04 14:43:50,129 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:43:50,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:43:50,283 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-10-04 14:43:55,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:43:55,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 667 states to 128 states and 667 transitions. [2018-10-04 14:43:55,666 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 667 transitions. [2018-10-04 14:43:55,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-04 14:43:55,666 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:43:55,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:43:56,227 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:44:01,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:44:01,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 696 states to 131 states and 696 transitions. [2018-10-04 14:44:01,537 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 696 transitions. [2018-10-04 14:44:01,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-04 14:44:01,538 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:44:01,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:44:01,896 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:44:05,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:44:05,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 710 states to 134 states and 710 transitions. [2018-10-04 14:44:05,843 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 710 transitions. [2018-10-04 14:44:05,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-04 14:44:05,844 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:44:05,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:44:06,858 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:44:09,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:44:09,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 716 states to 135 states and 716 transitions. [2018-10-04 14:44:09,882 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 716 transitions. [2018-10-04 14:44:09,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-04 14:44:09,883 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:44:09,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:44:10,114 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:44:12,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:44:12,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 739 states to 137 states and 739 transitions. [2018-10-04 14:44:12,642 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 739 transitions. [2018-10-04 14:44:12,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-04 14:44:12,642 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:44:12,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:44:12,837 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-10-04 14:44:15,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:44:15,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 740 states to 138 states and 740 transitions. [2018-10-04 14:44:15,545 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 740 transitions. [2018-10-04 14:44:15,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-04 14:44:15,546 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:44:15,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:44:15,621 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:44:16,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:44:16,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 740 states to 139 states and 740 transitions. [2018-10-04 14:44:16,158 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 740 transitions. [2018-10-04 14:44:16,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-04 14:44:16,158 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:44:16,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:44:16,439 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:44:19,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:44:19,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 776 states to 142 states and 776 transitions. [2018-10-04 14:44:19,314 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 776 transitions. [2018-10-04 14:44:19,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-04 14:44:19,315 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:44:19,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:44:19,348 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-10-04 14:44:21,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:44:21,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 797 states to 144 states and 797 transitions. [2018-10-04 14:44:21,496 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 797 transitions. [2018-10-04 14:44:21,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-04 14:44:21,496 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:44:21,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:44:21,697 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:44:23,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:44:23,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 816 states to 145 states and 816 transitions. [2018-10-04 14:44:23,187 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 816 transitions. [2018-10-04 14:44:23,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-04 14:44:23,188 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:44:23,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:44:23,390 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:44:26,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:44:26,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 833 states to 148 states and 833 transitions. [2018-10-04 14:44:26,061 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 833 transitions. [2018-10-04 14:44:26,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-04 14:44:26,062 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:44:26,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:44:26,561 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:44:30,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:44:30,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 850 states to 151 states and 850 transitions. [2018-10-04 14:44:30,398 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 850 transitions. [2018-10-04 14:44:30,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-04 14:44:30,399 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:44:30,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:44:30,422 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:44:30,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:44:30,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 850 states to 152 states and 850 transitions. [2018-10-04 14:44:30,855 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 850 transitions. [2018-10-04 14:44:30,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-04 14:44:30,856 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:44:30,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:44:30,886 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:44:32,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:44:32,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 861 states to 154 states and 861 transitions. [2018-10-04 14:44:32,678 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 861 transitions. [2018-10-04 14:44:32,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-04 14:44:32,678 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:44:32,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:44:32,696 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:44:35,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:44:35,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 877 states to 155 states and 877 transitions. [2018-10-04 14:44:35,313 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 877 transitions. [2018-10-04 14:44:35,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-04 14:44:35,314 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:44:35,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:44:35,522 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:44:37,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:44:37,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 873 states to 155 states and 873 transitions. [2018-10-04 14:44:37,436 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 873 transitions. [2018-10-04 14:44:37,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-04 14:44:37,437 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:44:37,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:44:38,066 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:44:44,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:44:44,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 894 states to 158 states and 894 transitions. [2018-10-04 14:44:44,032 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 894 transitions. [2018-10-04 14:44:44,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-04 14:44:44,033 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:44:44,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:44:44,458 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:44:48,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:44:48,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 914 states to 161 states and 914 transitions. [2018-10-04 14:44:48,903 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 914 transitions. [2018-10-04 14:44:48,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-04 14:44:48,904 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:44:48,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:44:48,927 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:44:51,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:44:51,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 922 states to 163 states and 922 transitions. [2018-10-04 14:44:51,179 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 922 transitions. [2018-10-04 14:44:51,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-04 14:44:51,180 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:44:51,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:44:51,666 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:44:56,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:44:56,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 949 states to 166 states and 949 transitions. [2018-10-04 14:44:56,875 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 949 transitions. [2018-10-04 14:44:56,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-04 14:44:56,876 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:44:56,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:44:56,892 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-10-04 14:44:59,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:44:59,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 954 states to 168 states and 954 transitions. [2018-10-04 14:44:59,641 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 954 transitions. [2018-10-04 14:44:59,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-04 14:44:59,642 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:44:59,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:44:59,672 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:45:02,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:45:02,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 962 states to 170 states and 962 transitions. [2018-10-04 14:45:02,413 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 962 transitions. [2018-10-04 14:45:02,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-04 14:45:02,413 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:45:02,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:45:02,426 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-10-04 14:45:03,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:45:03,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 962 states to 171 states and 962 transitions. [2018-10-04 14:45:03,969 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 962 transitions. [2018-10-04 14:45:03,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-04 14:45:03,969 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:45:03,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:45:04,308 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:45:07,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:45:07,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 966 states to 173 states and 966 transitions. [2018-10-04 14:45:07,120 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 966 transitions. [2018-10-04 14:45:07,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-04 14:45:07,121 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:45:07,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:45:07,356 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:45:10,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:45:10,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 965 states to 173 states and 965 transitions. [2018-10-04 14:45:10,479 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 965 transitions. [2018-10-04 14:45:10,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-04 14:45:10,480 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:45:10,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:45:10,539 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:45:12,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:45:12,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 963 states to 173 states and 963 transitions. [2018-10-04 14:45:12,977 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 963 transitions. [2018-10-04 14:45:12,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-04 14:45:12,978 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:45:12,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:45:13,316 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:45:15,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:45:15,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 973 states to 174 states and 973 transitions. [2018-10-04 14:45:15,438 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 973 transitions. [2018-10-04 14:45:15,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-04 14:45:15,439 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:45:15,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:45:15,736 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:45:19,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:45:19,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 983 states to 175 states and 983 transitions. [2018-10-04 14:45:19,827 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 983 transitions. [2018-10-04 14:45:19,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-04 14:45:19,828 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:45:19,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:45:19,878 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:45:21,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:45:21,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 990 states to 176 states and 990 transitions. [2018-10-04 14:45:21,236 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 990 transitions. [2018-10-04 14:45:21,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-04 14:45:21,237 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:45:21,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:45:21,865 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:45:29,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:45:29,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1043 states to 181 states and 1043 transitions. [2018-10-04 14:45:29,219 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 1043 transitions. [2018-10-04 14:45:29,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-04 14:45:29,220 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:45:29,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:45:29,470 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:45:36,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:45:36,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1077 states to 185 states and 1077 transitions. [2018-10-04 14:45:36,533 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 1077 transitions. [2018-10-04 14:45:36,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-04 14:45:36,534 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:45:36,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:45:36,593 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:45:39,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:45:39,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 186 states and 1083 transitions. [2018-10-04 14:45:39,641 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 1083 transitions. [2018-10-04 14:45:39,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-04 14:45:39,642 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:45:39,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:45:39,675 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:45:41,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:45:41,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1098 states to 187 states and 1098 transitions. [2018-10-04 14:45:41,535 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 1098 transitions. [2018-10-04 14:45:41,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-04 14:45:41,536 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:45:41,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:45:41,586 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:45:43,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:45:43,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1107 states to 188 states and 1107 transitions. [2018-10-04 14:45:43,362 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 1107 transitions. [2018-10-04 14:45:43,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-04 14:45:43,362 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:45:43,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:45:43,373 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:45:45,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:45:45,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1123 states to 189 states and 1123 transitions. [2018-10-04 14:45:45,079 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 1123 transitions. [2018-10-04 14:45:45,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-04 14:45:45,080 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:45:45,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:45:45,107 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:45:46,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:45:46,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1133 states to 190 states and 1133 transitions. [2018-10-04 14:45:46,678 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 1133 transitions. [2018-10-04 14:45:46,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-04 14:45:46,679 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:45:46,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:45:46,692 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:45:50,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:45:50,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1161 states to 193 states and 1161 transitions. [2018-10-04 14:45:50,221 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 1161 transitions. [2018-10-04 14:45:50,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-04 14:45:50,222 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:45:50,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:45:50,645 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:45:54,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:45:54,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1160 states to 193 states and 1160 transitions. [2018-10-04 14:45:54,385 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 1160 transitions. [2018-10-04 14:45:54,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-04 14:45:54,385 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:45:54,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:45:55,148 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:45:59,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:45:59,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1156 states to 195 states and 1156 transitions. [2018-10-04 14:45:59,512 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 1156 transitions. [2018-10-04 14:45:59,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-04 14:45:59,512 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:45:59,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:45:59,916 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:46:03,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:46:03,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1155 states to 195 states and 1155 transitions. [2018-10-04 14:46:03,701 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 1155 transitions. [2018-10-04 14:46:03,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-04 14:46:03,702 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:46:03,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:46:04,569 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:46:10,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:46:10,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1191 states to 200 states and 1191 transitions. [2018-10-04 14:46:10,751 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 1191 transitions. [2018-10-04 14:46:10,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-04 14:46:10,752 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:46:10,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:46:10,905 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:46:14,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:46:14,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1194 states to 202 states and 1194 transitions. [2018-10-04 14:46:14,135 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 1194 transitions. [2018-10-04 14:46:14,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-04 14:46:14,136 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:46:14,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:46:14,151 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:46:20,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:46:20,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1228 states to 207 states and 1228 transitions. [2018-10-04 14:46:20,685 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 1228 transitions. [2018-10-04 14:46:20,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-04 14:46:20,686 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:46:20,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:46:20,952 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:46:27,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:46:27,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1255 states to 210 states and 1255 transitions. [2018-10-04 14:46:27,325 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 1255 transitions. [2018-10-04 14:46:27,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-04 14:46:27,326 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:46:27,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:46:27,349 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:46:29,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:46:29,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1274 states to 211 states and 1274 transitions. [2018-10-04 14:46:29,200 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 1274 transitions. [2018-10-04 14:46:29,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-04 14:46:29,201 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:46:29,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:46:29,611 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:46:32,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:46:32,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1284 states to 212 states and 1284 transitions. [2018-10-04 14:46:32,174 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 1284 transitions. [2018-10-04 14:46:32,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-04 14:46:32,175 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:46:32,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:46:32,980 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:46:40,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:46:40,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1321 states to 215 states and 1321 transitions. [2018-10-04 14:46:40,154 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 1321 transitions. [2018-10-04 14:46:40,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-04 14:46:40,155 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:46:40,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:46:40,189 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:46:44,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:46:44,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1336 states to 217 states and 1336 transitions. [2018-10-04 14:46:44,383 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 1336 transitions. [2018-10-04 14:46:44,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-04 14:46:44,383 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:46:44,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:46:44,477 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:46:49,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:46:49,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1362 states to 220 states and 1362 transitions. [2018-10-04 14:46:49,593 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 1362 transitions. [2018-10-04 14:46:49,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-04 14:46:49,593 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:46:49,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:46:49,645 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:46:51,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:46:51,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1373 states to 221 states and 1373 transitions. [2018-10-04 14:46:51,746 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 1373 transitions. [2018-10-04 14:46:51,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-04 14:46:51,747 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:46:51,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:46:51,910 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:46:55,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:46:55,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1390 states to 223 states and 1390 transitions. [2018-10-04 14:46:55,604 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 1390 transitions. [2018-10-04 14:46:55,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-04 14:46:55,605 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:46:55,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:46:55,660 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:46:57,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:46:57,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1395 states to 224 states and 1395 transitions. [2018-10-04 14:46:57,468 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 1395 transitions. [2018-10-04 14:46:57,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-04 14:46:57,469 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:46:57,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:46:57,656 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. Received shutdown request... [2018-10-04 14:47:00,695 INFO L202 PluginConnector]: Adding new model threadpooling_product.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 04.10 02:47:00 ImpRootNode [2018-10-04 14:47:00,695 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-04 14:47:00,696 INFO L168 Benchmark]: Toolchain (without parser) took 260254.59 ms. Allocated memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: -65.0 MB). Free memory was 1.4 GB in the beginning and 1.1 GB in the end (delta: 315.1 MB). Peak memory consumption was 250.1 MB. Max. memory is 7.1 GB. [2018-10-04 14:47:00,698 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.18 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-04 14:47:00,698 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.82 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-04 14:47:00,699 INFO L168 Benchmark]: Boogie Preprocessor took 23.18 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-04 14:47:00,699 INFO L168 Benchmark]: RCFGBuilder took 539.11 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 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. [2018-10-04 14:47:00,700 INFO L168 Benchmark]: CodeCheck took 259644.40 ms. Allocated memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: -65.0 MB). Free memory was 1.4 GB in the beginning and 1.1 GB in the end (delta: 294.0 MB). Peak memory consumption was 229.0 MB. Max. memory is 7.1 GB. [2018-10-04 14:47:00,704 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - TimeoutResultAtElement [Line: 94]: Timeout (CodeCheck) Unable to prove that assertion always holds (line 94) - TimeoutResultAtElement [Line: 45]: Timeout (CodeCheck) Unable to prove that assertion always holds (line 45) - TimeoutResultAtElement [Line: 85]: Timeout (CodeCheck) Unable to prove that assertion always holds (line 85) - TimeoutResultAtElement [Line: 74]: Timeout (CodeCheck) Unable to prove that assertion always holds (line 74) - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 23 locations, 4 error locations. UNKNOWN Result, 259.6s OverallTime, 90 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 0 SDtfs, -156296674 SDslu, 0 SDs, 0 SdLazy, -1687779830 SolverSat, 509950496 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 350.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 22166 GetRequests, 20612 SyntacticMatches, 459 SemanticMatches, 1095 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 248.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 19.9s InterpolantComputationTime, 988 NumberOfCodeBlocks, 988 NumberOfCodeBlocksAsserted, 90 NumberOfCheckSat, 898 ConstructedInterpolants, 0 QuantifiedInterpolants, 54695 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 90 InterpolantComputations, 19 PerfectInterpolantSequences, 86/254 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - GenericResult: Unable to decide if program is safe! Unable to decide if program is safe! * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.18 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 43.82 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 23.18 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 539.11 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 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 259644.40 ms. Allocated memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: -65.0 MB). Free memory was 1.4 GB in the beginning and 1.1 GB in the end (delta: 294.0 MB). Peak memory consumption was 229.0 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/threadpooling_product.bpl_svcomp-Reach-32bit-Kojak_Default_PUPT.epf_KojakBplInline.xml/Csv-CodeCheckBenchmarks-0-2018-10-04_14-47-00-716.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/threadpooling_product.bpl_svcomp-Reach-32bit-Kojak_Default_PUPT.epf_KojakBplInline.xml/Csv-Benchmark-0-2018-10-04_14-47-00-716.csv Completed graceful shutdown