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 0.1.23-00a8621 [2018-09-30 11:09:52,069 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-30 11:09:52,071 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-30 11:09:52,083 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-30 11:09:52,083 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-30 11:09:52,084 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-30 11:09:52,085 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-30 11:09:52,087 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-30 11:09:52,089 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-30 11:09:52,090 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-30 11:09:52,090 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-30 11:09:52,091 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-30 11:09:52,092 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-30 11:09:52,093 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-30 11:09:52,094 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-30 11:09:52,095 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-30 11:09:52,095 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-30 11:09:52,097 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-30 11:09:52,099 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-30 11:09:52,101 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-30 11:09:52,105 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-30 11:09:52,110 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-30 11:09:52,114 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-30 11:09:52,114 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-30 11:09:52,114 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-30 11:09:52,115 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-30 11:09:52,116 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-30 11:09:52,119 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-30 11:09:52,121 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-30 11:09:52,122 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-30 11:09:52,122 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-30 11:09:52,125 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-30 11:09:52,125 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-30 11:09:52,125 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-30 11:09:52,129 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-30 11:09:52,130 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-30 11:09:52,130 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Kojak_Default.epf [2018-09-30 11:09:52,156 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-30 11:09:52,157 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-30 11:09:52,158 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-30 11:09:52,158 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-30 11:09:52,159 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-30 11:09:52,159 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-30 11:09:52,160 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-30 11:09:52,161 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-30 11:09:52,161 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-30 11:09:52,161 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-30 11:09:52,161 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-30 11:09:52,161 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-30 11:09:52,161 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-30 11:09:52,162 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-30 11:09:52,162 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-30 11:09:52,162 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-30 11:09:52,162 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-30 11:09:52,164 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-09-30 11:09:52,164 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-09-30 11:09:52,164 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-30 11:09:52,165 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-30 11:09:52,165 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-30 11:09:52,165 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-30 11:09:52,165 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-30 11:09:52,165 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-30 11:09:52,166 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-09-30 11:09:52,166 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-30 11:09:52,166 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-30 11:09:52,166 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-30 11:09:52,221 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-30 11:09:52,237 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-30 11:09:52,242 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-30 11:09:52,244 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-30 11:09:52,244 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-30 11:09:52,245 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/threadpooling_product.bpl [2018-09-30 11:09:52,246 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/threadpooling_product.bpl' [2018-09-30 11:09:52,298 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-30 11:09:52,302 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-30 11:09:52,303 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-30 11:09:52,303 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-30 11:09:52,303 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-30 11:09:52,323 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "threadpooling_product.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:09:52" (1/1) ... [2018-09-30 11:09:52,337 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "threadpooling_product.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:09:52" (1/1) ... [2018-09-30 11:09:52,342 WARN L165 Inliner]: Program contained no entry procedure! [2018-09-30 11:09:52,342 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-09-30 11:09:52,342 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-09-30 11:09:52,345 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-30 11:09:52,345 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-30 11:09:52,346 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-30 11:09:52,346 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-30 11:09:52,357 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "threadpooling_product.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:09:52" (1/1) ... [2018-09-30 11:09:52,357 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "threadpooling_product.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:09:52" (1/1) ... [2018-09-30 11:09:52,358 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "threadpooling_product.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:09:52" (1/1) ... [2018-09-30 11:09:52,359 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "threadpooling_product.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:09:52" (1/1) ... [2018-09-30 11:09:52,362 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "threadpooling_product.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:09:52" (1/1) ... [2018-09-30 11:09:52,365 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "threadpooling_product.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:09:52" (1/1) ... [2018-09-30 11:09:52,366 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "threadpooling_product.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:09:52" (1/1) ... [2018-09-30 11:09:52,368 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-30 11:09:52,369 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-30 11:09:52,369 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-30 11:09:52,369 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-30 11:09:52,370 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "threadpooling_product.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:09:52" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-30 11:09:52,447 INFO L124 BoogieDeclarations]: Specification and implementation of procedure product given in one single declaration [2018-09-30 11:09:52,448 INFO L130 BoogieDeclarations]: Found specification of procedure product [2018-09-30 11:09:52,448 INFO L138 BoogieDeclarations]: Found implementation of procedure product [2018-09-30 11:09:52,929 INFO L345 CfgBuilder]: Using library mode [2018-09-30 11:09:52,929 INFO L202 PluginConnector]: Adding new model threadpooling_product.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.09 11:09:52 BoogieIcfgContainer [2018-09-30 11:09:52,930 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-30 11:09:52,930 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-09-30 11:09:52,930 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-09-30 11:09:52,944 INFO L276 PluginConnector]: CodeCheck initialized [2018-09-30 11:09:52,944 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "threadpooling_product.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.09 11:09:52" (1/1) ... [2018-09-30 11:09:52,961 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 11:09:52,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:09:52,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 21 states and 33 transitions. [2018-09-30 11:09:52,996 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 33 transitions. [2018-09-30 11:09:52,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-30 11:09:53,000 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:09:53,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:09:53,203 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:09:53,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:09:53,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 25 states and 48 transitions. [2018-09-30 11:09:53,423 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 48 transitions. [2018-09-30 11:09:53,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-30 11:09:53,427 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:09:53,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:09:53,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:09:54,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:09:54,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 29 states and 66 transitions. [2018-09-30 11:09:54,295 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 66 transitions. [2018-09-30 11:09:54,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-30 11:09:54,296 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:09:54,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:09:54,710 WARN L178 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 13 DAG size of output: 7 [2018-09-30 11:09:54,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:09:55,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:09:55,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 35 states and 97 transitions. [2018-09-30 11:09:55,877 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 97 transitions. [2018-09-30 11:09:55,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-30 11:09:55,878 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:09:55,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:09:55,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:09:56,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:09:56,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 38 states and 105 transitions. [2018-09-30 11:09:56,137 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 105 transitions. [2018-09-30 11:09:56,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-30 11:09:56,139 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:09:56,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:09:56,383 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:09:57,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:09:57,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 44 states and 141 transitions. [2018-09-30 11:09:57,272 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 141 transitions. [2018-09-30 11:09:57,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-30 11:09:57,273 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:09:57,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:09:57,294 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:09:57,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:09:57,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 48 states and 167 transitions. [2018-09-30 11:09:57,990 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 167 transitions. [2018-09-30 11:09:57,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-30 11:09:57,993 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:09:57,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:09:58,018 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:09:58,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:09:58,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 49 states and 176 transitions. [2018-09-30 11:09:58,235 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 176 transitions. [2018-09-30 11:09:58,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-30 11:09:58,237 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:09:58,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:09:58,350 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:09:58,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:09:58,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 50 states and 186 transitions. [2018-09-30 11:09:58,633 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 186 transitions. [2018-09-30 11:09:58,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-30 11:09:58,634 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:09:58,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:09:58,811 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:09:59,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:09:59,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 51 states and 191 transitions. [2018-09-30 11:09:59,203 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 191 transitions. [2018-09-30 11:09:59,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-30 11:09:59,204 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:09:59,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:09:59,220 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:09:59,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:09:59,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 52 states and 193 transitions. [2018-09-30 11:09:59,301 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 193 transitions. [2018-09-30 11:09:59,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-30 11:09:59,302 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:09:59,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:09:59,387 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:09:59,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:09:59,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 56 states and 209 transitions. [2018-09-30 11:09:59,964 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 209 transitions. [2018-09-30 11:09:59,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-30 11:09:59,966 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:09:59,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:10:00,098 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:10:00,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:10:00,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 57 states and 220 transitions. [2018-09-30 11:10:00,777 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 220 transitions. [2018-09-30 11:10:00,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-30 11:10:00,778 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:10:00,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:10:01,128 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:10:01,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:10:01,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 58 states and 231 transitions. [2018-09-30 11:10:01,463 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 231 transitions. [2018-09-30 11:10:01,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-30 11:10:01,464 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:10:01,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:10:01,747 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:10:04,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:10:04,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 61 states and 250 transitions. [2018-09-30 11:10:04,527 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 250 transitions. [2018-09-30 11:10:04,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-30 11:10:04,528 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:10:04,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:10:04,826 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:10:06,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:10:06,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 63 states and 276 transitions. [2018-09-30 11:10:06,321 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 276 transitions. [2018-09-30 11:10:06,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-30 11:10:06,323 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:10:06,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:10:06,514 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-09-30 11:10:07,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:10:07,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 65 states and 291 transitions. [2018-09-30 11:10:07,337 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 291 transitions. [2018-09-30 11:10:07,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-30 11:10:07,338 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:10:07,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:10:07,473 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-09-30 11:10:07,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:10:07,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 66 states and 293 transitions. [2018-09-30 11:10:07,945 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 293 transitions. [2018-09-30 11:10:07,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-30 11:10:07,945 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:10:07,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:10:08,062 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:10:09,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:10:09,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 68 states and 301 transitions. [2018-09-30 11:10:09,163 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 301 transitions. [2018-09-30 11:10:09,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-30 11:10:09,164 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:10:09,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:10:09,541 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:10:11,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:10:11,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 71 states and 325 transitions. [2018-09-30 11:10:11,279 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 325 transitions. [2018-09-30 11:10:11,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-30 11:10:11,280 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:10:11,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:10:11,412 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:10:12,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:10:12,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 74 states and 344 transitions. [2018-09-30 11:10:12,697 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 344 transitions. [2018-09-30 11:10:12,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-30 11:10:12,699 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:10:12,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:10:12,750 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:10:13,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:10:13,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 76 states and 349 transitions. [2018-09-30 11:10:13,413 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 349 transitions. [2018-09-30 11:10:13,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-30 11:10:13,414 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:10:13,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:10:13,742 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:10:16,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:10:16,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 82 states and 387 transitions. [2018-09-30 11:10:16,503 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 387 transitions. [2018-09-30 11:10:16,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-30 11:10:16,504 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:10:16,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:10:16,793 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:10:18,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:10:18,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 86 states and 403 transitions. [2018-09-30 11:10:18,731 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 403 transitions. [2018-09-30 11:10:18,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-30 11:10:18,732 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:10:18,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:10:18,753 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:10:18,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:10:18,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 87 states and 413 transitions. [2018-09-30 11:10:18,892 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 413 transitions. [2018-09-30 11:10:18,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-30 11:10:18,893 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:10:18,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:10:19,400 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:10:22,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:10:22,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 91 states and 438 transitions. [2018-09-30 11:10:22,117 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 438 transitions. [2018-09-30 11:10:22,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-30 11:10:22,118 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:10:22,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:10:22,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:10:23,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:10:23,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 93 states and 447 transitions. [2018-09-30 11:10:23,340 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 447 transitions. [2018-09-30 11:10:23,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-30 11:10:23,341 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:10:23,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:10:23,954 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:10:27,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:10:27,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 98 states and 488 transitions. [2018-09-30 11:10:27,396 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 488 transitions. [2018-09-30 11:10:27,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-30 11:10:27,397 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:10:27,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:10:27,407 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:10:29,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:10:29,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 101 states and 511 transitions. [2018-09-30 11:10:29,315 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 511 transitions. [2018-09-30 11:10:29,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-30 11:10:29,316 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:10:29,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:10:29,696 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:10:32,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:10:32,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 105 states and 530 transitions. [2018-09-30 11:10:32,467 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 530 transitions. [2018-09-30 11:10:32,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-30 11:10:32,468 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:10:32,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:10:32,877 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:10:33,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:10:33,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 106 states and 539 transitions. [2018-09-30 11:10:33,635 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 539 transitions. [2018-09-30 11:10:33,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-30 11:10:33,636 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:10:33,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:10:33,725 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:10:35,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:10:35,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 109 states and 560 transitions. [2018-09-30 11:10:35,611 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 560 transitions. [2018-09-30 11:10:35,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-30 11:10:35,611 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:10:35,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:10:36,176 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:10:38,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:10:38,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 112 states and 576 transitions. [2018-09-30 11:10:38,706 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 576 transitions. [2018-09-30 11:10:38,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-30 11:10:38,707 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:10:38,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:10:38,716 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:10:39,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:10:39,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 113 states and 580 transitions. [2018-09-30 11:10:39,339 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 580 transitions. [2018-09-30 11:10:39,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-30 11:10:39,339 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:10:39,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:10:39,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:10:41,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:10:41,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 116 states and 593 transitions. [2018-09-30 11:10:41,345 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 593 transitions. [2018-09-30 11:10:41,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-30 11:10:41,345 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:10:41,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:10:41,471 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:10:42,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:10:42,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 118 states and 599 transitions. [2018-09-30 11:10:42,769 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 599 transitions. [2018-09-30 11:10:42,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-30 11:10:42,770 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:10:42,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:10:42,821 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:10:43,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:10:43,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 119 states and 602 transitions. [2018-09-30 11:10:43,362 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 602 transitions. [2018-09-30 11:10:43,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-30 11:10:43,362 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:10:43,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:10:43,425 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:10:43,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:10:43,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 607 states to 120 states and 607 transitions. [2018-09-30 11:10:43,988 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 607 transitions. [2018-09-30 11:10:43,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-30 11:10:43,989 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:10:43,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:10:44,854 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:10:48,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:10:48,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 621 states to 123 states and 621 transitions. [2018-09-30 11:10:48,775 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 621 transitions. [2018-09-30 11:10:48,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-30 11:10:48,775 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:10:48,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:10:49,384 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:10:51,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:10:51,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 125 states and 637 transitions. [2018-09-30 11:10:51,238 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 637 transitions. [2018-09-30 11:10:51,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-30 11:10:51,239 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:10:51,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:10:51,327 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:10:52,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:10:52,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 651 states to 127 states and 651 transitions. [2018-09-30 11:10:52,848 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 651 transitions. [2018-09-30 11:10:52,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-30 11:10:52,849 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:10:52,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:10:52,859 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:10:54,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:10:54,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 656 states to 129 states and 656 transitions. [2018-09-30 11:10:54,388 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 656 transitions. [2018-09-30 11:10:54,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-30 11:10:54,389 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:10:54,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:10:54,398 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-09-30 11:10:58,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:10:58,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 698 states to 133 states and 698 transitions. [2018-09-30 11:10:58,523 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 698 transitions. [2018-09-30 11:10:58,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-30 11:10:58,524 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:10:58,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:10:59,586 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:11:04,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:11:04,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 730 states to 136 states and 730 transitions. [2018-09-30 11:11:04,257 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 730 transitions. [2018-09-30 11:11:04,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-30 11:11:04,257 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:11:04,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:11:05,008 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:11:08,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:11:08,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 763 states to 139 states and 763 transitions. [2018-09-30 11:11:08,415 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 763 transitions. [2018-09-30 11:11:08,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-30 11:11:08,416 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:11:08,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:11:08,497 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:11:09,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:11:09,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 785 states to 140 states and 785 transitions. [2018-09-30 11:11:09,438 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 785 transitions. [2018-09-30 11:11:09,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-30 11:11:09,439 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:11:09,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:11:09,767 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:11:11,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:11:11,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 786 states to 141 states and 786 transitions. [2018-09-30 11:11:11,111 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 786 transitions. [2018-09-30 11:11:11,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-30 11:11:11,112 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:11:11,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:11:11,378 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-09-30 11:11:13,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:11:13,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 791 states to 143 states and 791 transitions. [2018-09-30 11:11:13,508 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 791 transitions. [2018-09-30 11:11:13,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-30 11:11:13,508 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:11:13,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:11:13,856 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:11:16,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:11:16,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 807 states to 146 states and 807 transitions. [2018-09-30 11:11:16,770 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 807 transitions. [2018-09-30 11:11:16,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-30 11:11:16,770 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:11:16,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:11:16,850 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:11:16,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:11:16,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 807 states to 147 states and 807 transitions. [2018-09-30 11:11:16,869 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 807 transitions. [2018-09-30 11:11:16,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-30 11:11:16,869 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:11:16,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:11:17,472 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:11:19,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:11:19,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 847 states to 150 states and 847 transitions. [2018-09-30 11:11:19,766 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 847 transitions. [2018-09-30 11:11:19,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-30 11:11:19,767 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:11:19,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:11:19,775 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-09-30 11:11:21,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:11:21,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 868 states to 152 states and 868 transitions. [2018-09-30 11:11:21,407 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 868 transitions. [2018-09-30 11:11:21,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-30 11:11:21,408 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:11:21,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:11:21,480 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:11:22,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:11:22,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 887 states to 153 states and 887 transitions. [2018-09-30 11:11:22,348 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 887 transitions. [2018-09-30 11:11:22,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-30 11:11:22,349 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:11:22,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:11:22,999 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:11:25,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:11:25,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 903 states to 156 states and 903 transitions. [2018-09-30 11:11:25,165 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 903 transitions. [2018-09-30 11:11:25,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-30 11:11:25,165 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:11:25,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:11:26,144 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:11:29,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:11:29,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 924 states to 159 states and 924 transitions. [2018-09-30 11:11:29,524 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 924 transitions. [2018-09-30 11:11:29,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-30 11:11:29,525 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:11:29,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:11:29,761 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:11:31,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:11:31,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 937 states to 161 states and 937 transitions. [2018-09-30 11:11:31,074 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 937 transitions. [2018-09-30 11:11:31,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-30 11:11:31,075 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:11:31,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:11:31,084 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:11:31,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:11:31,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 937 states to 162 states and 937 transitions. [2018-09-30 11:11:31,785 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 937 transitions. [2018-09-30 11:11:31,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-30 11:11:31,786 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:11:31,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:11:32,070 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:11:33,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:11:33,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 933 states to 162 states and 933 transitions. [2018-09-30 11:11:33,403 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 933 transitions. [2018-09-30 11:11:33,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-30 11:11:33,404 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:11:33,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:11:34,615 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:11:39,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:11:39,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 952 states to 165 states and 952 transitions. [2018-09-30 11:11:39,443 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 952 transitions. [2018-09-30 11:11:39,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-30 11:11:39,443 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:11:39,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:11:39,451 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:11:42,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:11:42,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 974 states to 168 states and 974 transitions. [2018-09-30 11:11:42,231 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 974 transitions. [2018-09-30 11:11:42,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-30 11:11:42,232 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:11:42,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:11:42,300 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:11:42,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:11:42,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 974 states to 169 states and 974 transitions. [2018-09-30 11:11:42,976 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 974 transitions. [2018-09-30 11:11:42,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-30 11:11:42,976 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:11:42,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:11:43,794 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:11:48,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:11:48,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 996 states to 172 states and 996 transitions. [2018-09-30 11:11:48,241 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 996 transitions. [2018-09-30 11:11:48,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-30 11:11:48,242 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:11:48,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:11:48,248 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:11:49,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:11:49,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1006 states to 173 states and 1006 transitions. [2018-09-30 11:11:49,230 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 1006 transitions. [2018-09-30 11:11:49,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-30 11:11:49,231 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:11:49,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:11:49,238 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:11:50,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:11:50,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1015 states to 175 states and 1015 transitions. [2018-09-30 11:11:50,806 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 1015 transitions. [2018-09-30 11:11:50,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-30 11:11:50,807 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:11:50,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:11:51,886 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:11:57,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:11:57,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1042 states to 178 states and 1042 transitions. [2018-09-30 11:11:57,165 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 1042 transitions. [2018-09-30 11:11:57,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-30 11:11:57,166 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:11:57,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:11:57,173 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-09-30 11:11:59,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:11:59,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1047 states to 180 states and 1047 transitions. [2018-09-30 11:11:59,474 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 1047 transitions. [2018-09-30 11:11:59,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-30 11:11:59,475 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:11:59,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:11:59,483 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:12:01,221 WARN L178 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 23 DAG size of output: 19 [2018-09-30 11:12:02,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:12:02,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1054 states to 182 states and 1054 transitions. [2018-09-30 11:12:02,020 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 1054 transitions. [2018-09-30 11:12:02,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-30 11:12:02,021 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:12:02,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:12:02,028 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-09-30 11:12:02,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:12:02,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1054 states to 183 states and 1054 transitions. [2018-09-30 11:12:02,895 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 1054 transitions. [2018-09-30 11:12:02,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-30 11:12:02,895 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:12:02,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:12:03,609 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:12:06,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:12:06,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1057 states to 185 states and 1057 transitions. [2018-09-30 11:12:06,115 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 1057 transitions. [2018-09-30 11:12:06,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-30 11:12:06,116 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:12:06,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:12:06,507 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:12:09,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:12:09,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1056 states to 185 states and 1056 transitions. [2018-09-30 11:12:09,309 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 1056 transitions. [2018-09-30 11:12:09,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-30 11:12:09,310 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:12:09,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:12:09,316 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:12:11,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:12:11,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1057 states to 186 states and 1057 transitions. [2018-09-30 11:12:11,547 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 1057 transitions. [2018-09-30 11:12:11,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-30 11:12:11,547 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:12:11,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:12:12,204 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:12:15,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:12:15,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1068 states to 187 states and 1068 transitions. [2018-09-30 11:12:15,692 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 1068 transitions. [2018-09-30 11:12:15,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-30 11:12:15,692 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:12:15,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:12:15,698 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:12:17,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:12:17,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1076 states to 189 states and 1076 transitions. [2018-09-30 11:12:17,923 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 1076 transitions. [2018-09-30 11:12:17,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-30 11:12:17,923 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:12:17,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:12:18,597 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:12:20,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:12:20,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1082 states to 190 states and 1082 transitions. [2018-09-30 11:12:20,425 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 1082 transitions. [2018-09-30 11:12:20,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-30 11:12:20,426 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:12:20,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:12:21,646 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:12:28,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:12:28,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1120 states to 195 states and 1120 transitions. [2018-09-30 11:12:28,754 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 1120 transitions. [2018-09-30 11:12:28,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-30 11:12:28,755 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:12:28,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:12:28,761 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:12:31,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:12:31,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1136 states to 197 states and 1136 transitions. [2018-09-30 11:12:31,617 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 1136 transitions. [2018-09-30 11:12:31,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-30 11:12:31,618 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:12:31,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:12:31,625 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:12:33,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:12:33,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1144 states to 198 states and 1144 transitions. [2018-09-30 11:12:33,393 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 1144 transitions. [2018-09-30 11:12:33,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-30 11:12:33,393 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:12:33,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:12:33,400 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:12:34,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:12:34,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1170 states to 199 states and 1170 transitions. [2018-09-30 11:12:34,926 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 1170 transitions. [2018-09-30 11:12:34,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-30 11:12:34,927 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:12:34,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:12:35,296 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:12:41,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:12:41,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1201 states to 203 states and 1201 transitions. [2018-09-30 11:12:41,395 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 1201 transitions. [2018-09-30 11:12:41,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-30 11:12:41,396 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:12:41,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:12:41,480 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:12:45,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:12:45,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1235 states to 206 states and 1235 transitions. [2018-09-30 11:12:45,210 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 1235 transitions. [2018-09-30 11:12:45,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-30 11:12:45,210 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:12:45,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:12:45,265 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:12:48,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:12:48,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1244 states to 209 states and 1244 transitions. [2018-09-30 11:12:48,453 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 1244 transitions. [2018-09-30 11:12:48,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-30 11:12:48,453 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:12:48,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:12:48,526 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:12:49,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:12:49,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1259 states to 210 states and 1259 transitions. [2018-09-30 11:12:49,939 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 1259 transitions. [2018-09-30 11:12:49,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-30 11:12:49,940 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:12:49,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:12:49,947 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:12:50,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:12:50,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1263 states to 211 states and 1263 transitions. [2018-09-30 11:12:50,983 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 1263 transitions. [2018-09-30 11:12:50,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-30 11:12:50,984 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:12:50,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:12:51,945 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:12:55,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:12:55,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1260 states to 211 states and 1260 transitions. [2018-09-30 11:12:55,481 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 1260 transitions. [2018-09-30 11:12:55,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-30 11:12:55,482 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:12:55,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:12:55,885 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:12:59,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:12:59,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1256 states to 213 states and 1256 transitions. [2018-09-30 11:12:59,693 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 1256 transitions. [2018-09-30 11:12:59,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-30 11:12:59,693 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:12:59,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:13:00,315 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:13:07,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:13:07,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1298 states to 218 states and 1298 transitions. [2018-09-30 11:13:07,370 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 1298 transitions. [2018-09-30 11:13:07,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-30 11:13:07,371 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:13:07,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:13:08,274 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:13:11,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:13:11,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1297 states to 218 states and 1297 transitions. [2018-09-30 11:13:11,836 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 1297 transitions. [2018-09-30 11:13:11,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-30 11:13:11,837 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:13:11,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:13:11,899 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:13:13,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:13:13,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1311 states to 219 states and 1311 transitions. [2018-09-30 11:13:13,045 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 1311 transitions. [2018-09-30 11:13:13,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-30 11:13:13,046 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:13:13,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:13:13,475 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:13:17,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:13:17,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1304 states to 220 states and 1304 transitions. [2018-09-30 11:13:17,677 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 1304 transitions. [2018-09-30 11:13:17,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-30 11:13:17,678 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:13:17,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:13:17,732 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:13:23,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:13:23,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1337 states to 225 states and 1337 transitions. [2018-09-30 11:13:23,613 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 1337 transitions. [2018-09-30 11:13:23,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-30 11:13:23,614 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:13:23,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:13:23,756 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:13:25,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:13:25,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1340 states to 227 states and 1340 transitions. [2018-09-30 11:13:25,981 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 1340 transitions. [2018-09-30 11:13:25,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-30 11:13:25,981 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:13:25,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:13:26,172 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:13:28,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:13:28,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1348 states to 229 states and 1348 transitions. [2018-09-30 11:13:28,473 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 1348 transitions. [2018-09-30 11:13:28,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-30 11:13:28,474 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:13:28,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:13:28,951 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:13:32,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:13:32,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1367 states to 231 states and 1367 transitions. [2018-09-30 11:13:32,220 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 1367 transitions. [2018-09-30 11:13:32,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-30 11:13:32,220 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:13:32,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:13:33,634 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:13:40,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:13:40,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1381 states to 233 states and 1381 transitions. [2018-09-30 11:13:40,618 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 1381 transitions. [2018-09-30 11:13:40,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-30 11:13:40,619 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:13:40,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:13:41,241 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:13:46,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:13:46,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1409 states to 236 states and 1409 transitions. [2018-09-30 11:13:46,121 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 1409 transitions. [2018-09-30 11:13:46,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-30 11:13:46,122 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:13:46,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:13:46,127 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:13:47,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:13:47,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1421 states to 237 states and 1421 transitions. [2018-09-30 11:13:47,467 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 1421 transitions. [2018-09-30 11:13:47,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-30 11:13:47,468 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:13:47,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:13:47,528 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:13:48,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:13:48,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1429 states to 238 states and 1429 transitions. [2018-09-30 11:13:48,975 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 1429 transitions. [2018-09-30 11:13:48,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-30 11:13:48,975 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:13:48,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:13:49,457 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:13:53,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:13:53,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1428 states to 238 states and 1428 transitions. [2018-09-30 11:13:53,078 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 1428 transitions. [2018-09-30 11:13:53,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-30 11:13:53,079 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:13:53,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:13:59,238 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. Received shutdown request... [2018-09-30 11:14:05,401 INFO L256 ToolchainWalker]: Toolchain cancelled while executing plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck. Reason: Timeout or Toolchain cancelled by user [2018-09-30 11:14:05,403 INFO L168 Benchmark]: Toolchain (without parser) took 253104.36 ms. Allocated memory was 1.5 GB in the beginning and 3.3 GB in the end (delta: 1.8 GB). Free memory was 1.4 GB in the beginning and 2.5 GB in the end (delta: -1.0 GB). Peak memory consumption was 794.5 MB. Max. memory is 7.1 GB. [2018-09-30 11:14:05,404 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.23 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. [2018-09-30 11:14:05,405 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.47 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. [2018-09-30 11:14:05,405 INFO L168 Benchmark]: Boogie Preprocessor took 22.72 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. [2018-09-30 11:14:05,406 INFO L168 Benchmark]: RCFGBuilder took 561.29 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. [2018-09-30 11:14:05,406 INFO L168 Benchmark]: CodeCheck took 252472.32 ms. Allocated memory was 1.5 GB in the beginning and 3.3 GB in the end (delta: 1.8 GB). Free memory was 1.4 GB in the beginning and 2.5 GB in the end (delta: -1.0 GB). Peak memory consumption was 773.4 MB. Max. memory is 7.1 GB. [2018-09-30 11:14:05,410 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 1103 known predicates. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.23 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 42.47 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 22.72 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 561.29 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 252472.32 ms. Allocated memory was 1.5 GB in the beginning and 3.3 GB in the end (delta: 1.8 GB). Free memory was 1.4 GB in the beginning and 2.5 GB in the end (delta: -1.0 GB). Peak memory consumption was 773.4 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/threadpooling_product.bpl_svcomp-Reach-32bit-Kojak_Default.epf_KojakBplInline.xml/Csv-Benchmark-0-2018-09-30_11-14-05-433.csv Completed graceful shutdown